PUBLICATIONS of Journal/Conference Papers & Books

I. Technical Research Papers

Journals (Published)

S.N.	Authors	Year	Journal name, Impact factor,	Vol., issue, pages	Title, DOI	Publisher
1	R. Tiwari and N. S. Vyas	1995	Journal of Sound and Vibration	187 (2), 229-239	Estimation of Non-Linear Stiffness Parameters of Rolling Element Bearings from Random Response of Rotor-Bearing Systems.	Academic Press Ltd.
2	R. Tiwari and N. S. Vyas	1997	Journal of Sound and Vibration	203 (3), 389-408	Non-Linear Bearing Stiffness Parameter Extraction From Random Response in Flexible Rotor-Bearing Systems.	Academic Press Ltd.
3	R. Tiwari and N. S. Vyas	1997	Journal of Sound and Vibration	208 (1), 1-14	Parameter Estimation in Imbalanced Non-Linear Rotor-Bearing Systems from Random Response	Academic Press Ltd.
4	R. Tiwari and N. S. Vyas	1998	Probabilistic Engineering Mechanics	13 (4), 255-268	Stiffness Estimation from Random Response in Multi-Mass Rotor Bearing Systems	Elsevier Science Ltd.
5	R. Tiwari	2000	Journal of Sound and Vibration	234 (5), 906-910	On-Line Identification and Estimation of Non-Linear Stiffness Parameters of Bearings	Academic Press Ltd.
6	R. Tiwari, A. W. Lees and M. I. Friswell	2002	Journal of Sound and Vibration	234 (5), 906-910	Identification of Speed-Dependent Bearing Parameters	Elsevier Science Ltd.
7	N. Satyanarayana and R. Tiwari	2003	Advances in Vibration Engineering	2 (3), 270-279	Whirling of A Simple Rotor With Gyroscopic Effects: A Finite Element Approach Based on Complex Co-ordinates	Krishtel eMaging Solutions Pvt. Ltd., India (MTech student)
8	N. Dharmaraju, R. Tiwari and S. Talukdar	2003	Computers & Structures	82(2-3), 167-179	Identification of an Open Crack Model in a Beam Based on Force-Response Measurements.	Elsevier Ltd. (MTech student)
9	Chakraborty, V. Kumar, S. B. Nair and R. Tiwari	2003	Engineering Optimization	35(6), 649-659	Rolling Element Bearing Design Through Genetic Algorithm.	Taylor & Francis Ltd. (BTech students)
10	R. Tiwari, A. W. Lees and M. I. Friswell	2004	The Shock & Vibration Digest	36(2), 99-124	Identification of Dynamic Bearing Parameters: A Review.	Sage Publications (Review paper)
11	N. Dharmaraju, R. Tiwari and S. Talukdar	2004	Mechanical Systems and Signal Processing	19(3), 633-657	Development of a Novel Hybrid Reduction Scheme for Identification of An Open Crack Model in a Beam.	Elsevier Ltd. (MTech student)
12	R. Tiwari	2005	Mechanical Systems and Signal Processing	19(5), 1082-1095	Conditioning of Regression Matrices for Simultaneous Estimation of the Residual Unbalance and Bearing Dynamic Parameters	Elsevier Ltd.
13	R. Tiwari, S. Manikandan and S.K. Dwivedy	2005	The Shock & Vibration Digest	37(3), 261-284	A Review on the Experimental Estimation of the Rotor Dynamic Parameters of Seals.	Sage Publications (Review paper) (MTech student)
14	R. Tiwari and V. Reddy	2005	Advances in Vibration Engineering	4(4), 369-378	Estimation of Bearing Dynamic Coefficients using Impulse Responses	Krishtel eMaging Solutions Pvt. Ltd., India (MTech student)
15	R. Tiwari and V. Chakravarthy	2006	Mechanical Systems and Signal Processing	20(7), 1590-1614	Simultaneous Identification of Residual Unbalances and Bearing Dynamic Parameters From Impulse Responses of Rotor-Bearing Systems	Elsevier Ltd. (MTech student)
16	R. Tiwari and N. Dhawade	2006	Advances in Vibration Engineering	5(3), 175-189	Localisation and Criticality of a Crack in an Euler-Benaulli Beam Based on Modal Characteristics	Krishtel eMaging Solutions Pvt. Ltd., India (MTech student)
17	R. Tiwari and N. Dharmaraju	2006	Mechanical Systems and Signal Processing	20(8), 2148-2170	Development of a condensation scheme for transverse rotational degrees of freedom elimination in identification of beam crack parameters	Elsevier Ltd. (MTech student)
18	N. Dharmaraju, R. Tiwari and S. Talukdar	2006	A Special Issue on Rotor Dynamics of Advances in Vibration Engineering	5(4), 323-332	Identification of an Open Crack Model Parameters in a Cracked Beams	Krishtel eMaging Solutions Pvt. Ltd., India (MTech student)
19	B. Rajeswara Rao and R. Tiwari	2007	Mechanism and Machine Theory	42(2), 233-250	Optimum Design of Rolling Element Bearings Using Genetic Algorithms	Elsevier Ltd. (MTech student)
20	M. Karthikeyan, R. Tiwari and S. Talukdar	2007	Mechanical Systems and Signal Processing	21(3), 1362-1385	Crack Localization and Sizing in a Beam Based on the Free and Forced Response Measurements	Elsevier Ltd. (PhD student)
21	M. Karthikeyan, R. Tiwari and S. Talukdar	2007	Transactions of ASME, Journal of Vibration and Acoustics	129(3), 390-395	Development of a Technique to Locate and Quantify a Beam Crack Based on Modal Parameters	ASME (PhD student)
22	S. Gupta, R. Tiwari and S.B. Nair	2007	Mechanism and Machine Theory	42(10), 1418-1443	Multi-objective Design Optimization of Rolling Bearings using Genetic Algorithms	Elsevier Ltd. (BTech student)
23	M. Karthikeyan, R. Tiwari and S. Talukdar	2008	Transactions of ASME, Journal of Vibration and Acoustics	130(2), 021002-(1 to 14)	Development of a Novel Algorithm for a Crack Detection, Localization and Sizing in a Beam based on Forced Response Measurements.	ASME (PhD student)
24	R. Tiwari and V. Chakravarthy	2008	Mechanism and Machine Theory	44(4), 792-812	Simultaneous Estimation of the Residual Unbalance and Bearing Dynamic Parameters from the Experimental Data in a Rotor-Bearing System	Elsevier Ltd. (MTech student)
25	Jagu S. Rao and R. Tiwari	2008	International Journal for Computational Methods in Engineering Science and Mechanics	9(4), 223-245	Optimum Design and Analysis of Thrust Magnetic Bearings Using Multi Objective Genetic Algorithms	Elsevier Ltd. (PhD student)
26	K. Sunil Kumar, R. Tiwari and R. S. Reddy	2008	International Journal for Computational Methods in Engineering Science and Mechanics	9(6), 321-341	Development of an Optimum Design Methodology of Cylindrical Roller Bearing Using Genetic Algorithms.	Elsevier Ltd. (MTech students)
27	K. Sunil Kumar, R. Tiwari and P.V.V.N. Prasad	2009	Transactions of ASME, Journal of Mechanical Design	131(5), 051011 (14 pages)	An Optimum Design of Crowned Cylindrical Roller Bearings Using Genetic Algorithms	ASME (MTech students)
28	Jagu S. Rao and R. Tiwari	2009	Mechatronics DOI: 10.1016/j.mechatronics.2009.06.011	19(6), 945-964	Design Optimization of Double-Acting Hybrid Magnetic Thrust Bearings with Control Integration Using Multi-Objective Evolutionary Algorithms.	Elsevier Ltd. Impact Factor: 1.434. (PhD student)
29	M. Karthikeyan, and R. Tiwari	2010	Mechanism and Machine Theory DOI:10.1016/j.mechmachtheory.2009.11.003	45(4), 584-600	Detection, localization, and sizing of a structural flaw in a beam based on forced response measurements- An experimental investigation.	Impact Factor: 1.407 (PhD student)
30	S. K. Singh, and R. Tiwari	2010	Mechanism and Machine Theory DOI:10.1016/j.mechmachtheory.2010.08.007	45, 1813-1827	Identification of a Multi-Crack in a Shaft System using Transverse Frequency Response Functions.	Elsevier Ltd. (PhD student)
31	Mohit Lal and R. Tiwari	2012	Mechanism and Machine Theory DOI:10.1016/j.mechmachtheory.2012.01.001	51, 87-109	Multi-fault Identification in Simple Rotor-Bearing-Coupling Systems based on Forced Response Measurements.	Elsevier Ltd. (PhD student)
32	Jagu S. Rao and R. Tiwari	2012	International Journal for Computational Methods in Engineering Science and Mechanics DOI: 10.1080/15502287.2011.636786	13, 10-27	Optimum Design and Analysis of Axial Hybrid Magnetic Bearings Using Multi-Objective Genetic Algorithms.	Elsevier Ltd. (PhD student)
33	R. Tiwari, K. Sunil Kumar and R. S. Reddy	2012	International Journal for Computational Methods in Engineering Science and Mechanics DOI: 10.1080/15502287.2011.654375	13, 108-127	An Optimum Design Methodology of Tapered Roller Bearing Using Genetic Algorithms.	Elsevier Ltd. (MTech students)
34	Sachin K. Singh, and R. Tiwari	2012	Fatigue and Fracture of Engineering Materials and Structures DOI: 10.1111/j.1460-2695.2011.01653.x	36, 85-91	Detection and Localisation of Multiple Cracks in a Stepped Shaft.	Wiley Publishing Ltd. (PhD student)
35	C. Shravan and R. Tiwari	2012	Fatigue and Fracture of Engineering Materials and Structures DOI: 10.1111/j.1460-2695.2012.01718.x	36, 254-269	Identification of Stiffness and Periodic Breathing Forces of A Transverse Switching Crack in a Laval Rotor.	Wiley Publishing Ltd. (PhD student)
36	S. Bansal, S. Sahoo, and R. Tiwari and D. J. Bordoloi	2013	Measurement	40, 3469-3481	Multiclass Fault Diagnosis in Gears Using Support Vector Machine Algorithms Based on Frequency Domain Data.	Elsevier Ltd. (BTech/PhD student)
37	D. J. Bordoloi and R. Tiwari	2013	Advances in Vibration Engineering	12(4), 319-327	Optimization of Controller Parameters of Active Magnetic Bearings in Rotor-Bearing Systems.	Krishtel eMaging Solutions Pvt. Ltd., India (PhD student)
38	D. J. Bordoloi and R. Tiwari	2013	Proceedings of the Institution of Mechanical Engineers, Part C, Journal of Mechanical Engineering Science	227(11), 2428-2439. DOI: 10.1177/0954406213477777	Optimization of Support Vector Machine based Multi-Fault Classification with Evolutionary Algorithms from the Time Domain Vibration Data of Gears.	Institution of Mechanical Engineers, UK (PhD student)
39	R. Tiwari, D. J. Bordoloi, S. Bansal and S. Sahoo	2013	International Journal of Condition Monitoring & Diagnostic Engineering	16(3), 17-24	Application of Wavelet Analysis in Multi-class Fault Diagnosis of Gear using SVM	COMADEM, UK ISSN 1363-7681 (PhD/BTech students)
40	Mohit Lal and R. Tiwari	2013	Mechanical Systems and Signal Processing	41(1-2), 546-563 http://dx.doi.org/10.1016/j.ymssp.2013.06.025	Quantification of Multiple Fault Parameters in Flexible Turbo-Generator Systems with Incomplete Rundown Data.	Elsevier Ltd. (PhD student)
41	V. Waghole and R. Tiwari	2013	Mechanism and Machine Theory	72, 71-85	Optimization of Needle Roller Bearing Design using Novel Hybrid Methods	Elsevier Ltd. (MTech student)
42	D. J. Bordoloi and R. Tiwari	2014	Mechanism and Machine Theory	73, 49-60	Optimum Multi-fault Classification of Gears with Integration of Evolutionary and SVM Algorithms	Elsevier Ltd. (PhD student)
43	A. Chaugale and R. Tiwari	2014	Mechatronics	24(3), 274–286	Identification of Bearing Dynamic Parameters and Unbalance States in a Flexible Rotor System Fully Levitated on Active Magnetic Bearings	Elsevier Ltd. (MTech student)
44	S. K. Singh, and R. Tiwari	2014	Measurement	53C, 182-193	Detection and Localization of Multiple Cracks in a Shaft System: An Experimental Investigation	Elsevier Ltd. (PhD student)
45	D. J. Bordoloi and R. Tiwari	2014	Measurement	55, 1-14	Support Vector Machine Based Optimization of Multi-Fault Classification of Gears with Evolutionary Algorithms from Time-Frequency Vibration Data	Elsevier Ltd. (PhD student)
46	R. Tiwari and D. J. Bordoloi	2014	International Journal of Condition Monitoring & Diagnostic Engineering	17(3), 39-49	Unification of Multi-class Fault Classification from Diverse Domain Features of Gear Using SVM Algorithms	COMADEM, UK ISSN 1363-7681 (PhD student)
47	P. Gangsar and R. Tiwari	2014	Journal of Failure Analysis and Prevention	14(6), 826-837	Multi-Class Fault Taxonomy in Rolling Bearings at Interpolated and Extrapolated Speeds Based on Time Domain Vibration Data by SVM Algorithms	Springer (PhD student)
48	Jagu S. Rao and R. Tiwari	2015	International Journal for Computational Methods in Engineering Science and Mechanics	16, 71-85	A Pareto Optimal Design Analysis of Magnetic Thrust Bearings using Multi Objective Genetic Algorithms	Taylor & Francis (PhD student)
49	R. Tiwari and R. C. M. Chandran	2015	ASME, Journal of Tribology	137, 041504-1 to 041504-12	Multitude of Objectives Based Optimum Designs of Cylindrical Roller Bearings Using Evolutionary Algorithms	ASME (MTech student)
50	R. Tiwari and V. Talatam	2015	Mechanism and Machine Theory	92, 100-112. DOI information: 10.1016/j.mechmachtheory.2015.05.007	Estimation of Speed-Dependent Bearing Dynamic Parameters in Rigid Rotor Systems Levitated by Electromagnetic Bearings	Elsevier Ltd. (MTech student)
51	S. Singh and R. Tiwari	2015	Journal of Vibration and Control	23(6), 980-1000 (DOI: 10.1177/1077546315587146)	Model-Based Fatigue Crack Identification in Rotors Integrated with Active Magnetic Bearings	ScholarOne / Thomas Reuters’ (PhD student)
52	V. Waghole and R. Tiwari	2015	International Journal for Computational Methods in Engineering Science and Mechanics	16, 221-233 DOI: 10.1080/15502287.2015.1045998	Optimization of Spherical Roller Bearing Design using Artificial Bee Colony Algorithm and Grid Search Method	Taylor & Francis (MTech student)
53	S. Singh and R. Tiwari	2016	ASME, Journal of Dynamic Systems, Measurement and Control	138, 031006-1 to 031006-11 (March)	Model-Based Switching-Crack Identification in a Jeffcott Rotor with an Offset Disc Integrated with an Active Magnetic Bearing	ASME (PhD student)
54	M. Kalyan and R. Tiwari	2016	Proceedings of IMechE, Part J: Journal of Engineering Tribology	230(2), 170-185 DOI: 10.1177/1350650115594639	Multi-Objective Optimization of Needle Roller Bearings Based on Fatigue and Wear Using Evolutionary Algorithm	Sage Publications, UK (MTech student)
55	C. Shravan and R. Tiwari	2016	Sadhana – Indian Academy Proceedings in Engineering	41(2), 239-251 (Feb)	Detection of a Fatigue Crack in a Rotor System using Full-Spectrum Based Estimation	Springer (PhD student)
56	D. Gayen, D. Chakraborty and R. Tiwari	2016	European Journal of Mechanics -A/ Solids,	61, 47-58	Whirl Frequencies and Critical Speeds of a Rotor-Bearing System with a Cracked Functionally Graded Shaft - Finite Element Analysis	Elsevier Ltd. (PhD student)
57	P. Gangsar and R. Tiwari	2016	Intelligent Industrial Systems	2(3), pp 269–281	Taxonomy of Induction-Motor Mechanical-Fault Based on Time-Domain Vibration Signals by Multiclass SVM Classifiers	Springer (PhD student)
58	R. J. Shruti and R. Tiwari	2016	ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part B: Mechanical Engineering	3(4), 044501-7 (7 pages)	Experimental Time-domain Vibration Based Fault Diagnosis of Centrifugal Pumps using SVM	ASCE-ASME (PhD student)
59	D. J. Bordoloi and R. Tiwari	2017	Journal of the Brazilian Society of Mechanical Sciences and Engineering	39: 2957–2968. DOI: 10.1007/s40430-017-0714-z	Identification of Suction Flow Blockages and Casing Cavitations in Centrifugal Pumps by Optimal Support Vector Machine Techniques	Springer (Technical officer)
60	D. Gayen, D. Chakraborty and R. Tiwari	2017	Journal of Vibration Engineering & Technologies	In press: V7(1), Jan 2019 doi.org/10.1007/s42417-018-0065-9	Free Vibration Analysis of Functionally Graded Shaft System with a Surface Crack	Springer (PhD student)
61	P. Gangsar and R. Tiwari	2017	Mechanical Systems and Signal Processing	94, 464-481	Comparative Investigation of Vibration and Current Monitoring for Prediction of Mechanical and Electrical Faults in Induction Motor Based on Multiclass-Support Vector Machine Algorithms	Elsevier Ltd. (PhD student)
62	R. Tiwari, D. J. Bordoloi, S. Bansal and S. Sahoo	2017	International Journal of Condition Monitoring & Diagnostic Engineering	20(1), 1-11	Multi-class Fault Diagnosis in Gears Using Machine Learning Algorithms Based on Time Domain Data	COMADEM, UK ISSN 1363-7681 (PhD/BTech students)
63	R. Tiwari and R. C. M. Chandran	2017	Multidiscipline Modelling in Materials and Structures	14(3) 567-588. (https://doi.org/10.1108/MMMS-06-2017-0058)	Optimal Design of Deep-Groove Ball Bearings Based on Multitude of Objectives Using Evolutionary Algorithms	Emerand Publishing (MTech student)
64	M. Lal and R. Tiwari	2017	Sadhana – Indian Academy Proceedings in Engineering	43: 80 (20 pages). https://doi.org/10.1007/s12046-018-0859-1	Experimental Identification of Shaft Misalignment in a Turbo-generator System	Springer (PhD student)
65	S. Nath, T. Kalita, A. Chatterjee, R. Tiwari and S. Karmakar	2017	The Japanese Journal of Ergonomics	Vol. 53 (Supplement-2 p. S438-S441	Occupation imposed postural discomfort among the stone polishing workers from Guwahati, Assam: A systematic ergonomic evaluation.	Japan Ergonomics Society
66	Debabrat Gayen, D. Chakraborty and R. Tiwari	2019	International Journal of Mechanical Sciences	134: 411-423	Finite element analysis for a functionally graded rotating shaft with multiple breathing cracks	Elsevier Ltd. (PhD student)
67	Sandeep Singh and R. Tiwari	2018	Mechanism and Machine Theory	Volume 122, April 2018, Pages 292-307	Model Based Identification of Crack and Bearing Dynamic Parameters in Flexible Rotor Systems Supported with an Auxiliary Active Magnetic Bearing	Elsevier Ltd. (PhD student)
68	P. Gangsar and R. Tiwari	2018	ASME, Journal of Dynamic Systems, Measurement and Control	140(8), 081014 (Mar 13, 2018) (11 pages)	Multi-fault Diagnosis of Induction Motor at Intermediate Operating Conditions using Wavelet Packet Transform and Support Vector Machine	ASME (PhD student)
69	J. S. Rapur and R. Tiwari	2018	Journal of the Brazilian Society of Mechanical Sciences and Engineering (BMSE)	40: 278-298. https://doi.org/10.1007/s40430-018-1202-9	Automation of Multi-Fault Diagnosing of Centrifugal Pumps using Multi-Class Support Vector Machine with Vibration and Motor-Current Signals in Frequency Domain	Springer (PhD student)
70	R. S. Srinivas, R. Tiwari and Ch. K. Babu	2018	Mechanical Systems and Signal Processing	Volume 106, June 2018, Pages 537–572	Application of Active Magnetic Bearings in Flexible Rotordynamic Systems - A State-of-the-Art Review	Elsevier Ltd. (Review paper) (PhD student) Review paper
71	A. Jat and Tiwari R.	2020	Journal of King Saud University – Engineering Sciences	32(1), 58-68	Multi-Objective Optimization of Spherical Roller Bearings Based on Fatigue and Wear Using Evolutionary Algorithm	Elsevier Ltd. (MTech student)
72	G. Ranjan and R. Tiwari	2018	Inverse Problems in Science & Engineering	27(7) 943-968. (https://doi.org/10.1080/17415977.2018.1503258 )	Application of Active Magnetic Bearings for In-Situ Flexible Rotor Residual Balancing Using a Novel Generalized Influence Coefficient Method	Taylor and Francis (MTech/PhD student)
73	A. Panda, J. S. Rapur and R. Tiwari	2018	Measurement	Volume 130, December 2018, Pages 44-56	Prediction of Flow Blockages and Impending Cavitation in Centrifugal Pumps using Support Vector Machine (SVM) Algorithms Based on Vibration Measurements	Elsevier Ltd. (MTech student)
74	J. S. Rapur and R. Tiwari	2019	Journal of Nondestructive Evaluation	38(6), 1-18. https://doi.org/10.1007/s10921-018-0544-7	On-line Time Domain Vibration and Current Signals Based Multi-Fault Diagnosis of Centrifugal Pumps using Support Vector Machines	Springer (PhD student)
75	P. Gangsar and R. Tiwari	2019	Journal of the Brazilian Society of Mechanical Sciences and Engineering (BMSE)	41(2), 1-25.	Diagnostics of Mechanical and Electrical Faults in Induction Motors using Wavelet based Features of Vibration and Current through Support Vector Machine Algorithms	Springer (PhD student)
76	Vikas Prasad and R. Tiwari	2019	ASME, Journal of Dynamic Systems, Measurement and Control	141(4), 041013 (Jan 07, 2019) (10 pages) doi:10.1115/1.4042026	Identification of Speed-Dependent Active Magnetic Bearing Parameters and Rotor Balancing in High-Speed Rotor Systems	ASME (MTech student)
77	P. Gangsar and R. Tiwari	2019	ASCE-ASME Journal of Risk and Uncertainty in Engineering Systems, Part B: Mechanical Engineering	5(3), 031001 (15 pages)	On-line Diagnostics of Mechanical and Electrical Faults in Induction Motor using Multiclass Support Vector Machine Algorithms  based on Frequency Domain Vibration and Current Signals	ASCE-ASME (PhD Student)
78	R. S. Srinivas, R. Tiwari and Ch. K. Babu	2019	Journal of Sound & Vibration	Volume 450, 23 June 2019, Pages 109-140 DOI information: 10.1016/j.jsv.2019.03.007	Model Based Analysis and Identification of  Multiple Fault Parameters in Coupled Rotor Systems with Offset Discs in the Presence of Angular Misalignment and Integrated with an Active Magnetic Bearing	Elsevier Ltd. (PhD Student)
79	P. Gangsar and R. Tiwari	2018	Measurement	135, 694-711 DOI information: 10.1016/j.measurement.2018.12.011	A Support Vector Machine based Fault Diagnostics of Induction Motors for Practical Situation of Multi-Sensor Limited Data Case Measurement	Elsevier Ltd. (PhD Student)
80	Dipendra K. Roy and R. Tiwari	2019	Archive in Mechanical Engineering	66(2), 229-255	Identification of the Internal and External Damping in a Cracked Rotor System Undergoing Forward and Backward Whirls	Sciendo, Poland (PhD Student)
81	J. Shruti Rapur and R. Tiwari	2019	ASME, Journal of Dynamic Systems, Measurement and Control	141(11): 111013 (14 pages) https://doi.org/10.1115/1.4044274	Multi-fault diagnosis of combined hydraulic and mechanical centrifugal pump faults using continuous wavelet transform and support vector machines	ASME (PhD Student)
82	Debabrat Gayen, D. Chakraborty and R. Tiwari	2019	International Journal of Mechanical Sciences	Volumes 157–158, July 2019, Pages 403-414	Finite element based stability analysis of a rotor–bearing system having a functionally graded shaft with transverse breathing cracks	Elsevier Ltd. (PhD student)
83	Debabrat Gayen, R. Tiwari and D. Chakraborty	2019	Composites, Part B: Engineering	173 (2019) 106982, 1-24.	Static and Dynamic Analyses of Cracked on Functionally Graded Structural Components: A Review	Elsevier Ltd. (PhD Student) Review Paper
84	J. Shruti Rapur and R. Tiwari	2019	Measurement	147, 106809, 1-15	Experimental fault diagnosis for known and unseen operating conditions of centrifugal pumps using MSVM and WPT based analyses	Elsevier Ltd. (PhD Student)
85	C. Shravan and R. Tiwari	2019	Archive in Mechanical Engineering	66(3), 329-353	Experimental Identification of Cracked Rotor System Parameters from the Forward and Backward Whirl Responses	Sciendo, Poland (PhD Student)
86	Dipendra K. Roy and R. Tiwari	2020	Propulsion and Power Research	9(1), 62-74.	Estimation of the Internal and External Damping from the Forward and Backward Spectrum of a Rotor with a Fatigue Crack	Elsevier Ltd. (PhD Student)
87	Raghavendra Rohit Dabbara and R. Tiwari	2019	Machine Design	11(4), 113-130	Strength-Wear-Thermal Based Multi-Objective Geometric Design Optimization of Cylindrical Roller Bearings using Genetic Algorithms	University of Novi Sad, Serbia (M. Tech Student)
88	P. Gangsar and R. Tiwari	2019	Mechanical Systems and Signal Processing	144, 106908, 1-37.	Signal Based Condition Monitoring Techniques for Fault Detection and Diagnosis of Induction Motors: A State-of-the-Art Review	Elsevier Ltd. (PhD Student) Review Paper
89	Ashish Jat and R. Tiwari	2020	Multidiscipline Modelling in Materials and Structures	2019, 16(1), 1-16	Optimal Design of Spherical Roller Bearings Based on Multiple Tasking Operating Requirements	Emerand Publishing (MTech student
90	Nilakshi Sarmah and R. Tiwari	2019	Inverse Problems in Science & Engineering	Online published: DOI: 10.1080/17415977.2019.1700982	Dynamic Analysis and Identification of Multiple Fault Parameters in a Cracked Rotor System Equipped With Active Magnetic Bearings: A Physical Model Based Approach	Taylor and Francis (PhD student)
91	Rajeswara Rao Byri and R. Tiwari	2020	Propulsion and Power Research	9(3), 255-280	Detection of Asymmetric Transmission Error in Geared Rotor System through Transverse Vibration Analysis Using Full Spectrum	Scholarone^TM (PhD student)
92	Dipendra K. Roy and R. Tiwari	2020	Experimental Techniques	Online available DOI : 10.1007/s40799-020-00368-7	Experimental Identification of Internal and External Damping in a Rotor System with a Fatigue-Crack Using Full Spectrum	Elsevier Ltd. (PhD Student)
93	Dipendra K. Roy and R. Tiwari	2019	Archive in Mechanical Engineering	66(4), 447-474	Experimental Identification of Rotating and Stationary Damping in a Cracked Rotor System with an Offset Disc	Sciendo, Poland (PhD Student)
94	Nilakshi Sarmah and R. Tiwari	2019	Mechanism and Machine Theory	146, 103744, pp. 1-24.	Analysis And Identification of the Additive and Multiplicative Fault Parameters in a Cracked-Bowed-Unbalanced Rotor System Integrated With an Auxiliary Active Magnetic Bearing	Elsevier Ltd. (PhD Student)
95	M. Kalyan, R. Tiwari and Md Saif Ahmad	2020	Sadhana	45(142), 1-23	Multi-task Augment Geometric Synthesis of Tapered Roller Bearings Based on Fatigue, Wear and Thermal Considerations Through Genetic Algorithms	Springer (MTech students)
96	Shashikant Verma and R. Tiwari	2020	Mechanism and Machine Theory, 152 (2020) 103894	152, 103894, pp. 1-26	Robust Optimum Design of Tapered Roller Bearings Based on Maximization of Fatigue Life Using Evolutionary Algorithm	Elsevier Ltd. (MTech Student)
97	Prabhat Kumar and R. Tiwari	2020	Propulsion and Power Research	Online published https://doi.org/10.1016/j.jppr.2020.06.003	Dynamic Analysis and Identification of Unbalance and Misalignment in a Rigid Rotor with Two Offset Discs Levitated by Active Magnetic Bearings: A Novel Trial Misalignment Approach	Scholarone^TM (PhD student)
98	Prabhat Kumar and R. Tiwari	2020	Iranian Journal of Science and Technology, Transactions of Mechanical Engineering	On line available DOI: 10.1007/s40997-020-00364-7	Development of a Novel Approach for Quantitative Estimation of Rotor Unbalance and Misalignment in a Rotor System Levitated by Active Magnetic Bearings	Springer (PhD student)
99	R. S. Srinivas, R. Tiwari and Ch. K. Babu	2020	ASME, Journal of Dynamic Systems, Measurement and Control	Online published	Modelling, Analysis and Identification of the Parallel and Angular Misalignments in a Coupled Rotor-Bearing-AMB System	ASME (PhD Student)
100	R. Tiwari, DJ Bordoloi and Aakash Dewangan,	2020	Measurement	173 (2021) 108676	Blockage and cavitation detection in centrifugal pumps from dynamic pressure signal using deep learning algorithm	Elsevier Ltd. (MTech Student)
101	Gyan Rajan and R. Tiwari	2020	International Journal of Mechanical Sciences	183 (2020) 105786, pp. 1-18.	On-line High-Speed Balancing of Flexible Rotor-Bearing System Using Virtual Trial Unbalances at Slow Run	Elsevier Ltd. (Ph D Student)
102	Prabhat Kumar and R. Tiwari	2020	Mechanical Systems and Signal Processing	152 (2021) 1074542, pp. 1-22. https://doi.org/10.1016/j.ymssp.2020.107454	Finite Element Modelling, Analysis and Identification Using Novel Trial Misalignment Approach in an Unbalanced and Misaligned Flexible Rotor System Levitated by Active Magnetic Bearings	Elsevier Ltd. (Ph D Student)
103	Md Saif Ahmad and R. Tiwari	2021	Journal of the Brazilian Society of Mechanical Sciences and Engineering (BMSE)	Provisionally accepted	Multi-Objective Robust Optimization of Tapered Roller Bearings Considering Manufacturing Tolerances Based on Fatigue and Wear Considerations	Springer (MTech student)
104	Md Saif Ahmad and R. Tiwari	2021	ASME, Journal of Tribology	Provisionally accepted	Multi-Objective Robust Optimization of Deep Groove Ball Bearings Considering Manufacturing Tolerances Based on Fatigue and Wear Considerations	ASME (MTech student)
105	Gargi Mahumder and R. Tiwari	2021	ASME, Journal of Dynamic Systems, Measurement and Control	In press	Transverse Vibration of Geared-Rotor Integrated with Active Magnetic Bearings in Identification of Multiple Faults	ASME (PhD Student)
106	Kumar Gaurav, R. Tiwari, Twinkle Mandawat	2021	Journal of Harbin Institute of Technology (New Series)	In press	Robust Optimization of Cylindrical Roller Bearing for Dynamic Capacity	(M Tech studnets)
107	Shashikant Verma and R. Tiwari	2021	International Journal for Computational Methods in Engineering Science and Mechanics	In Press	Robust Design of Ball Bearings for an Improved Performance Using Genetic Algorithm	Taylor & Francis (MTech student)
108	Ahmad Abbasi (Turkey), Behnam Firouzi (Turkey), Ali Asghar Heidari (Iran/ Singapore),, Polat Sendur (Turkey) and R. Tiwari	2021	Engineering with Computers: An International Journal for Simulation-Based Engineering	Accepted	Multi-Strategy Gaussian Harris Hawks Optimization Algorithm for Fatigue Life of Tapered Roller Bearings	Springer (Collaborative work)

Conferences

S.N.	Authors	Year	Conference Name, Duration, Place.	Paper no., pages	Title	Remarks
1	R. Tiwari	1999	Proc. of An International Conference on Identification in Engineering Systems held at University of Wales, March 29-31, Swansea, UK.	200-209	Reconstruction of Non-Linear Stiffness Parameters of Rolling Element Bearings from Random Response of the Rotor-Bearing Systems.
2	R. Tiwari	1999	Proc. of the Fourth International Conference on Vibration Problems, ICOVP-99, Nov. 27-30, Jadavpur University, WB, India.	53-58	On Sub-Critical Phenomenon of Rotating Shaft-Disc System Due to Gravity Effects - A Continuous Approach.
3	G.K. Chakravarthy, P. Kumar, V. Shukla and R. Tiwari	1999	Proc. of the Ninth National Conference on Machines and Mechanisms, NACoMM-99, Dec. 16-17, IIT Bombay, India.	210-219	Development of a Comprehensive Computer Code for the Analysis of Rolling Element Bearings to be Useful for the Bearing and R&D Industries.
4	N. Satyanarayana and R. Tiwari	2000	Proc. of the First International Conference on Vibration Engineering and Technology of Machinery, VETOMAC-I, Oct. 25-27, IISc Bangalore, India.		Whirling of A Simple Rotor With Gyroscopic Effects: A Finite Element Approach Based on Complex Co-ordinates.
5	R. Tiwari	2000	Proc. of the First International Conference On Vibration Engineering and Technology of Machinery, VETOMAC-I, Oct. 25-27, IISc Bangalore, India.		Reconstruction of Non-linear Stiffness Parameters of the Mechanical Systems From Random Response.
6	K. Kalita, R. Tiwari and S. K. Kakoty	2002	International Conference on Optimisation SIGOPT 2002, February 17-22, Lambrecht, Germany		Multi-Objective Optimisation in Rolling Element Bearing System Design.
7	R. Tiwari	2002	EUROMECH, Identification and Updating Methods of Mechanical Systems, June 19-21, Institute of Thermomechanics AS CR, Prague, Czech Republic.		Conditioning of Simultaneous Imbalance and Bearing Dynamic Parameters Estimation.
8	K. Kalita, R. Tiwari and S. K. Kakoty	2002	Sixth National Conference on Air-Breathing Engines and Aerospace Propulsion, Jan. 11-12, HAL Koraput, India.		Design of Rolling Element Bearings: A Multi-Objective Optimization.
9	N. Dharmaraju, R. Tiwari and S. Talukdar	2002	Proc. of the Second International Conference on Vibration Engineering and Technology of Machinery, VETOMAC-II, Dec. 16-18, BARC Mumbai, India.		Identification Of An Open Crack Model In A Beam Based On Imbalance Response Measurement.
10	V. B. Reddy, R. Tiwari and S. K. Kakoty	2002	Proc. of the Second International Conference on Vibration Engineering and Technology of Machinery, VETOMAC-II, Dec. 16-18, BARC Mumbai, India.		Identification of Bearing Dynamic Parameters from Impulse Response of Rotor Bearing Systems.
11	N. Chaturbhuj, S.B. Nair and R. Tiwari	2003	Proceedings of the International Conference on Artificial Intelligence, IC-AI'03, June 23-26, 2003, Las Vegas, Neveda, USA, (Eds.), Volume 1. CSREA Press 2003, ISBN 1-932415-12-2,	421-427	Design Optimisation for Tapered Roller Bearings Using  Genetic Algorithm.
12	R. Tiwari	2003	National Symposium on Rotor Dynamics, NSRD-2003, Dec. 15-17, IIT Guwahati, India.		Experimental Estimation of Bearings Rotordynamic Parameters: A State of the Art.	Keynote Lecture
13	N. Dharmaraju, R. Tiwari and S. Talukdar	2003	National Symposium on Rotor Dynamics, NSRD-2003, Dec. 15-17, IIT Guwahati, India.		Identification of an Open Crack Model Parameters in Cracked Beams.
14	R. Tiwari, A. W. Lees and M. I. Friswell	2004	8th International Conference on Vibrations in Rotating Machinery, 7-9 Sept. 2004, University of Wales, Swansea, UK.		Experimental Estimation of Bearings Dynamic Parameters from Rundown Data.
15	R. Tiwari, N. Dharmaraju,  and S. Talukdar	2004	8th International Conference on Vibrations in Rotating Machinery,  Institution of Mechanical Engineers, 7-9 Sept. 2004, University of Wales, Swansea, UK.		A Novel Condensation Scheme for Identification of Crack Model Parameters in a Beam Based on Force-Response Measurements.
16	R. Tiwari	2004	Proc. of the Third International Conference on Vibration Engineering and Technology of Machinery, VETOMAC-III & ACSIM-2004, Dec. 16-18, New Delhi, India.		Estimation of Bearing Dynamic Coefficients using Impulse Responses.
17	R. Tiwari, R. K. Mishra and S. K. Tripathi	2005	National Conference on Industrial Problems on Machines and Mechanisms, IPROMM-2005, Feb. 24-25, IIT Kharagpur, India.		Computer-Aided Analysis of High-Speed Rolling Element Bearings.
18	M. Karthikeyan, R. Tiwari and S. Talukdar	2005	Proc. of the Twelfth National Conference on Machines and Mechanisms, NACoMM-05, Dec. 16-17, IIT Guwahati, India.	202-207	Identification Of Crack Model Parameters in a Beam From Modal Parameters.
19	R. Kashyap, J S Rao and R. Tiwari	2005	Proc. of the Twelfth National Conference on Machines and Mechanisms, NACoMM-05, Dec. 16-17, IIT Guwahati, India.	363-369	Dynamic Analysis of Rolling Bearings.
20	S. Manikandan, R. Tiwari and S K Dwivedy	2005	Proc. of the Twelfth National Conference on Machines and Mechanisms, NACoMM-05, Dec. 16-17, IIT Guwahati, India.	384-390.	Identification Of Rotor Dynamic Parameters Of Seals Using Impact Hammer Method.
21	M. Karthikeyan, R. Tiwari and S. Talukdar	2006	Fourteenth National Seminar on Aerospace Structures XIV NASAS, Jan 30-31, 2006, VNIT Nagpur, India.		A Simple Procedure for Crack Localisation and Sizing in a Beam Based on Forced Responses.
22	R. Kashyap and R. Tiwari	2006	Proceedings of 18th National & 7th ISHMT-ASME Heat and Mass Transfer Conference, January 4-6, 2006, IIT Guwahati, India.		Prediction of Heat Generations and Temperature Distributions at Critical Contact Zones of High-Speed Rolling Bearings.
23	J.S. Rao and R. Tiwari	2006	Proceedings of IFToMM 7th International Conference on Rotordynamics, September 25-28, 2006, Vienna, Austria.		Design Optimization of Thrust Magnetic Bearings Using Genetic Algorithms.
24	J.S. Rao and R. Tiwari	2006	Proceedings of 2nd International Congress on Computer Mechanics and Simulation (ICMMS-06), December 8-10, 2006, IIT Guwahati, India.		Optimum Design of Three Pole Radial Magnetic Bearings using Genetic Algorithms.
25	S. Chekuri and R. Tiwari	2006	Proceedings of 2nd International Congress on Computer Mechanics and Simulation (ICMMS-06), December 8-10, 2006, IIT Guwahati, India.		Identification of Speed Dependent Bearing Parameters Using Experimental Vibration Data.
26	P.V.V.N. Prasad and R. Tiwari	2006	Proceedings of 2nd International Congress on Computer Mechanics and Simulation (ICMMS-06), December 8-10, 2006, IIT Guwahati, India.		Effect of Contoured Profile on Contact Stresses of the Cylindrical Roller.
27	H. Bhomick, R. Tiwari and G. Choudhary	2006	Proceedings of 2nd International Congress on Computer Mechanics and Simulation (ICMMS-06), December 8-10, 2006, IIT Guwahati, India.		Quasi-static Analysis of Tapered Roller Bearings and Comparison of Bearing Lives for Different Roller Surface Profiles.
28	R. Tiwari	2006	Proceedings of 51th Congress of the Indian Society of Theoretical and Applied Mechanics (ISTAM-2006), An International Meet, December 18-21, 2006, College of Engineering, Andhra University, Visakhapatanam, India.		A Brief History of Rotor Dynamics and Recent Trends.	Invited Lecture
29	R. Tiwari	2008	National Conference on Innovations in Science & Technology towards Industry Development (IST-ID2008). 4-5 Jan., Rungta College of Engineering & Technology, Bhilai, Chhattisgarh, India.		A Brief History and the State of the Art of Rotordynamics.	Invited Lecture
30	M. Karthikeyan, R. Tiwari and S. Talukdar	2008	9th International Conference on Vibrations in Rotating Machinery, Institution of Mechanical Engineers, 9-11 Sept. 2008, University of Exeter, UK.		A Shaft Crack Identification Technique Based on Vibration Measurements.
31	Jagu S. Rao and R. Tiwari	2008	International Conference on Motion and Vibration Control (MOVIC-2008), Sept. 15-18, 2008, Technical University Munich, Germany.		Design Optimization of Double-Acting Hybrid Magnetic Thrust Bearings Using Genetic Algorithms.
32	R. Tiwari and V. Chakravarthy	2009	IUTAM Symposium on Emerging Trends in Rotor Dynamics, March 23-26, 2009, IIT Delhi, India.		Identification of the Bearing and Unbalance Parameters from Rundown Data of Rotors.	Invited Lecture
33	S. K. Singh and R. Tiwari	2009	IUTAM Symposium on Emerging Trends in Rotor Dynamics, March 23-26, 2009, IIT Delhi, India.		A Multi-Crack Identification Algorithm Based on Forced Vibrations from a Shaft System.
34	R. Tiwari, N. Tanwar, and S. Mishra	2009	National Conference on Condition Monitoring (NCCM-2009), December 4-5, 2009, NSTL, Visakhapatnam, India.	CMSI, Vizak	Application of Support Vector Machine Techniques for Heath Monitoring of Gears.	Invited Lecture
35	S. K. Singh and R. Tiwari	2010	Proceedings of IFToMM 8th International Conference on Rotordynamics, September 12-15, 2010, KIST, Seoul, South Korea.		A Novel Normalization Procedure of Quadratic Coefficients in a Multi-Crack Identification Algorithm for a Shaft System.
36	D. J. Bordoloi and R. Tiwari	2010	Proceedings of IFToMM 8th International Conference on Rotordynamics, September 12-15, 2010, KIST, Seoul, South Korea.		Optimization of Controller Parameters of Active Magnetic Bearings using Genetic Algorithm.
37	S. K. Singh and R. Tiwari	2010	Proc. of the Fifth International Conference on Vibration Engineering and Technology of Machinery, VETOMAC-VI, Dec. 13-15, 2010, IIT Delhi, India.		Multi-crack Identification using Forced Responses from a Rotor System.
38	D. J. Bordoloi and R. Tiwari	2010	Proc. of the Fifth International Conference on Vibration Engineering and Technology of Machinery, VETOMAC-VI, Dec. 13-15, 2010, IIT Delhi, India.		Optimization of Controller Parameters of Active Magnetic Bearings in Rotor-Bearing Systems.
39	M. Lal and R. Tiwari	2010	Proc. of the Fifth International Conference on Vibration Engineering and Technology of Machinery, VETOMAC-VI, Dec. 13-15, 2010, IIT Delhi, India.		Identification of Multiple Faults in Rotor-Bearing-Coupling Systems.
40	K. Singh and R. Tiwari	2010	Proc. of the Fifth International Conference on Vibration Engineering and Technology of Machinery, VETOMAC-VI, Dec. 13-15, 2010, IIT Delhi, India.		Virtualization of Mechanical Vibration Experiments for the Internet-Based Remote Laboratory.
41	Tripathi, A. Garg, T. Chakraborty and R. Tiwari	2010	National Conference on Industrial Problems on Machines and Mechanisms, IPROMM-2010, Dec. 17-18, 2010, MNIT Jaipur, India.		Automation of the Health Monitoring of Induction Motors by Support Vector Machine Learning Algorithms.
42	R. Tiwari and D.J. Bordoloi	2010	National Conference on Industrial Problems on Machines and Mechanisms, IPROMM-2010, Dec. 17-18, 2010, MNIT Jaipur, India.		Investigations on Vibration Resonance Problems in Conveyor Belt Galleries.
43	R. Tiwari, S. Bansal, S. Sahoo	2011	International Conference on Condition Monitoring (ICCM-2011), February 24-25, 2011, NSTL& GITAM University, Visakhapatnam, India.		Health Monitoring of Rotating Machines Based on Support Vector Machine Algorithms.	Keynote Lecture
44	R. Tiwari, DJ Bordoloi, SK Dwivedy	2011	International Conference on Condition Monitoring (ICCM-2011), February 24-25, 2011, NSTL& GITAM University, Visakhapatnam, India.	CMSI, Vizak	Vibration Problems due to Misalignment in the Splined-shaft of a Limestone Crusher Unit: A Case Study.
45	R. Tiwari	2011	International Conference on Multi-body Dynamics (ICMBD-2011), Feb. 24-26, 2011, KL University, Vijayawada, India.		The State of the Art in Automation of Condition Monitoring of Rotating Machineries.	Keynote Lecture
46	R. Tiwari and U. Venkatesu	2011	SIAM Conference on Optimization 2011 (OP01), May 16-19, 2011.Darmstadt, Germany.		An Optimal Design of Ball Bearings Using Evolutionary Algorithms.
47	S. K. Singh and R. Tiwari	2011	2^nd International Conference of Engineering Against Fracture (ICEAFII), 22-24 June 2011, Mykonos, Greece.		Multi-crack Identification in a Stepped Shaft.
48	R. Tiwari	2011	National Symposium on Rotor Dynamics (NSRD-2011), During 19-21 Dec. 2011, IIT Madras, India.		Field Balancing Of Flexible Rotors Fully Levitated With Active Magnetic Bearings.	Keynote Lecture
49	C. Shravankumar and R. Tiwari	2011	National Symposium on Rotor Dynamics (NSRD-2011), During 19-21 Dec. 2011, IIT Madras, India.		Gyroscopic Effects on a Cantilever Rotor System: A Comparative Analysis.
50	M. Lal and R. Tiwari	2012	10th International Conference on Vibrations in Rotating Machinery, Institution of Mechanical Engineers, 11-13 Sept. 2012, London, UK.		Identification of Multiple Fault Parameters in a Flexible Rotor-Bearing-Coupling Systems.
51	R. Tiwari, F. Dohnal and R. Markert,	2012	10th International Conference on Vibrations in Rotating Machinery, Institution of Mechanical Engineers, 11-13 Sept. 2012, London, UK.		An Extended Field Balancing Procedure for Flexible Rotors Fully Levitated by Active Magnetic Bearings.
52	M. Lal and R. Tiwari	2012	ASME 2012 Gas Turbine India Conference, December 1, 2012, Mumbai, India.	GT India 2012-9542	Identification of Multiple Faults with Incomplete Response Measurements in Rotor-Bearing-Coupling Systems.
53	D. J. Bordoloi and R. Tiwari	2012	ASME 2012 Gas Turbine India Conference, December 1, 2012, Mumbai, India.	GT India 2012-9586	Health Monitoring of Gears Based on Vibrations by Support Vector Machine Algorithms.
54	R. Tiwari and A. Chougale	2013	Proceedings of STME 2013, International Conference on Smart Technologies for Mechanical Engineering, 25-26 Oct 2013, New Delhi		Simultaneous Estimation of Unbalances and Bearing Dynamic Parameters in a Rotor System Fully Levitated On Active Magnetic Bearings	Keynote Lecture
55	R. Tiwari and Rahul C.	2013	ASME 2013 Gas Turbine, 5-6 Dec. 2013, NAL Bangalore, India	GT India 2013-3792	Thermal Based Optimum Design Of Tapered Roller Bearing Through Evolutionary Algorithm
56	C. Shravan and R. Tiwari	2013	ASME 2013 Gas Turbine, 5-6 Dec. 2013, NAL Bangalore, India	GT India 2013-3756	Model-Based Crack Identification Using Full-Spectrum
57	M. Lal and R. Tiwari	2013	ASME 2013 Gas Turbine, 5-6 Dec. 2013, NAL Bangalore, India	GT India 2013-3774	Identification Of Multiple Fault Parameters In A Rigid-Rotor And Flexible bearing-Coupling System – An Experimental Investigation
58	DJ Bordoloi and R. Tiwari	2013	ASME 2013 Gas Turbine, 5-6 Dec. 2013, NAL Bangalore, India	GT India 2013-3772	Health Monitoring of Gear Elements Based on Time-Frequency Vibration by Support Vector Machine Algorithms
59	DJ Bordoloi and R. Tiwari	2014	National Symposium on Rotor Dynamics (NSRD-2014), During 12-14 Feb 2014, Dr Ambedkar Institute of Technology Bangalore, India	Vibration Institute of India	Health Monitoring of Gear Elements Based on SVM Algorithms
60	C. Shravankumar and R. Tiwari	2014	National Symposium on Rotor Dynamics (NSRD-2014), During 12-14 Feb 2014, Dr Ambedkar Institute of Technology Bangalore, India	Vibration Institute of India	Gyroscopic Effects on a Laval Rotor with a Fatigue Crack
61	S. Singh and R. Tiwari	2014	National Symposium on Rotor Dynamics (NSRD-2014), During 12-14 Feb 2014, Dr Ambedkar Institute of Technology Bangalore, India	Vibration Institute of India	Response of a Cracked Jeffcott Rotor Supported on AMBs
62	R. Tiwari	2014	National Symposium on Rotor Dynamics (NSRD-2014), During 12-14 Feb 2014, Dr Ambedkar Institute of Technology Bangalore, India	Vibration Institute of India	Identification in a Flexible Rotor System Fully Levitated On Active Magnetic Bearings	Keynote Lecture
63	DJ Bordoloi and R. Tiwari	2014	Proceedings of IFToMM 9th International Conference on Rotordynamics, September 22-25, 2014, Politecnico di Milano, Milan, Italy.	IFToMM	Optimisation of SVM Based Multi-Fault Classification with Evolutionary Algorithms from Time Domain Vibration Data of Rolling Bearings
64	C. Shravankumar and R. Tiwari	2014	Proceedings of IFToMM 9th International Conference on Rotordynamics, September 22-25, 2014, Politecnico di Milano, Milan, Italy.	IFToMM	Experimental Identification of Rotor Crack Forces
65	R. Tiwari and T. Viswanadh	2014	Proceedings of IFToMM 9th International Conference on Rotordynamics, September 22-25, 2014, Politecnico di Milano, Milan, Italy.	IFToMM	Experimental Estimation of Speed-dependent Active Magnetic Bearing Rotordynamic Parameters
66	M. Lal and R. Tiwari	2014	Proceedings of IFToMM 9th International Conference on Rotordynamics, September 22-25, 2014, Politecnico di Milano, Milan, Italy.	IFToMM	Experimental Estimation of Misalignment Effects in Rotor-Bearing-Coupling Systems
67	DJ Bordoloi and R. Tiwari	2014	National Conference on Condition Monitoring (NCCM-2014), December 12-13, 2014, CVRDE, AVADI, Chennai, India.	CMSI, Vizak	Multi-Fault Classification using Optimized SVM with Evolutionary Algorithms from Frequency Domain Vibration Data of Rolling Element Bearings
68	C. Shravankumar and R. Tiwari	2014	National Conference on Condition Monitoring (NCCM-2014), December 12-13, 2014, CVRDE, AVADI, Chennai, India.	CMSI, Vizak	Fatigue Crack Identification in an Offset Jeffcott
69	R. Tiwari	2015	International Conference on Vibration Problems (ICOVP-2015), IIT Guwahati, Guwahati, 14-17 Dec. 2015.	IIT Guwahati	Rotating Machinery System Health Monitoring Through Active Magnetic Bearings	Invited lecture
70	A. Panda and R. Tiwari	2016	National Symposium on Rotor Dynamics (NSRD-2016), NIT Raurkela, Rourkela, 7-9 Jan. 2016.	NIT Raurkela	Prediction of Cavitations in Centrifugal Pumps Using Support Vector Machine (SVM) Algorithms Based on Vibration.
71	P. Gangsar and R. Tiwari	2016	National Symposium on Rotor Dynamics (NSRD-2016), NIT Raurkela, Rourkela, 7-9 Jan. 2016.	NIT Raurkela	Diagnosis of Multiple Faults in Induction Motors based on Gram-Charlier Orthogonal Expansion Coefficients of Vibration Signals Using Support Vector Machine Algorithms
72	R. Tiwari	2016	National Symposium on Rotor Dynamics (NSRD-2016), NIT Raurkela, Rourkela, 7-9 Jan. 2016.	NIT Raurkela	Application of Active Magnetic Bearings for Rotor-System Condition Monitoring	Invited lecture
73	P. Gangsar and R. Tiwari	2016	11th International Conference on Vibrations in Rotating Machinery (VIRM-11), Institution of Mechanical Engineers, 13-15 Sept. 2016, Manchester, UK.	Manchester, UK	Induction Motor Fault Identification based on Vibration Monitoring with One-Versus-One Multiclass Support Vector Machine Algorithms
74	Shruti J. Rapur and R. Tiwari	2016	11th International Conference on Vibrations in Rotating Machinery (VIRM-11), Institution of Mechanical Engineers, 13-15 Sept. 2016, Manchester, UK.	Manchester, UK	Severity Assessment and Classification of Blockage of Centrifugal Pumps in Frequency Domain of Vibration Data Using Support Vector Machine Algorithms
75	Sandeep Singh and R. Tiwari	2016	11th International Conference on Vibrations in Rotating Machinery (VIRM-11), Institution of Mechanical Engineers, 13-15 Sept. 2016, Manchester, UK.	Manchester, UK	Finite element model based crack force identification in a rotor system integrated with active magnetic bearings
76	R. Tiwari	2016	International Conference on Condition Monitoring (ICCM-2016), October 26-27, 2016.	GITAM University, Visakhapatnam, India.	Application of Active Magnetic Bearings in Condition Monitoring of Rotating Machinery	Keynote lecture
77	P. Gangsar and R. Tiwari	2016	International Conference on Condition Monitoring (ICCM-2016), October 26-27, 2016.	GITAM University, Visakhapatnam, India.	Load independent fault classification of induction motor based on vibration and current signals using SVM algorithm
78	Shruti J. Rapur and R. Tiwari	2016	International Conference on Condition Monitoring (ICCM-2016), October 26-27, 2016.	GITAM University, Visakhapatnam, India.	Multi-Class Experimental Fault Severity Assessment And Classification In Centrifugal Pumps Using Support Vector Machine Algorithm
79	D. J. Bordoloi and R. Tiwari	2017	13^th International Conference on Vibration Problems (ICOVP-2017)	29^th Nov. to 2^nd Dec. 2017 at IIT Guwahati	Nero-Fuzzy Based Multi-Fault Classification In Gearbox From Time Domain Vibration Data
80	D. K. Roy and R. Tiwari	2017	13^th International Conference on Vibration Problems (ICOVP-2017)	29^th Nov. to 2^nd Dec. 2017 at IIT Guwahati	A Full Spectrum Analysis of a Jeffcott Rotor With Switching Crack in the Presence of Internal Damping And External Damping
81	P. Gangsar and R. Tiwari	2017	13^th International Conference on Vibration Problems (ICOVP-2017)	29^th Nov. to 2^nd Dec. 2017 at IIT Guwahati	Effect of Frequency Resolution on Intelligent Multiple Fault Diagnosis of Induction Motor Based on Support Vector Machine Algorithm
82	J. S. Rapur and R. Tiwari	2017	13^th International Conference on Vibration Problems (ICOVP-2017)	29^th Nov. to 2^nd Dec. 2017 at IIT Guwahati	An Intelligent and Robust Fault Diagnosis System for Identification of Centrifugal Pump Defects in Frequency Domain Using Corrupted Vibration and Current Signatures
83	R. S. Srinivas, R. Tiwari and Ch. K. Babu	2017	13^th International Conference on Vibration Problems (ICOVP-2017)	29^th Nov. to 2^nd Dec. 2017 at IIT Guwahati	Some Numerical Studies on Coupled Turbine-Generator Rotor System Models
84	D. Gayen, D. Chakraborty and R. Tiwari	2017	13^th International Conference on Vibration Problems (ICOVP-2017)	29^th Nov. to 2^nd Dec. 2017 at IIT Guwahati	Determination of Local Flexibility Coefficients of a Functionally Graded Shaft With Breathing Crack
85	N. Sarmah and R. Tiwari	2017	13^th International Conference on Vibration Problems (ICOVP-2017)	29^th Nov. to 2^nd Dec. 2017 at IIT Guwahati	Active Control of Internal Damping Instabilities in a Cracked Jeffcott Rotor With Magnetic Bearing
86	P. Gangsar and R. Tiwari	2017	Proceedings of the 2017 Gas Turbine India Conference (GTINDIA-2017)	December 7-8, 2017, Bangalore, India	Analysis of Time, Frequency and Wavelet Based Features of Vibration and Current Signals for Fault Diagnosis of Induction Motors Using SVM
87	Shruti J. Rapur and R. Tiwari	2017	Proceedings of the 2017 Gas Turbine India Conference (GTINDIA-2017)	December 7-8, 2017, Bangalore, India	A Compliant Algorithm to Diagnose Multiple Centrifugal Pump Faults with Corrupted Vibration and Current Signatures in Time-Domain
88	R S. Srinivas, R. Tiwari and Ch. K. Babu	2017	Proceedings of the 2017 Gas Turbine India Conference (GTINDIA-2017)	December 7-8, 2017, Bangalore, India	Interaction Between Unbalance and Misalignment Responses in Flexibly Coupled Rotor Systems Integrated With AMB
89	D. Gayen, D. Chakraborty and R. Tiwari	2017	Proceedings of the 2017 Gas Turbine India Conference (GTINDIA-2017)	December 7-8, 2017, Bangalore, India	Finite Element Analysis for Dynamic Response of Rotor-Bearing System with Cracked Functionally Graded Turbine Shaft
90	R. Tiwari	2017	National Symposium on Rotor Dyanmics (NSRD-2017)	December 12-13, 2017 at IIT Patna	Signal Processing in Rotor Dynamics: A Recent Trend	Keynote Lecture
91	P. Gangsar and R. Tiwari	2017	National Symposium on Rotor Dyanmics (NSRD-2017)	December 12-13, 2017 at IIT Patna	Mechanical and Electrical Fault Diagnosis of Induction Motor based on Continuous Wavelet Transform and Support Vector Machine
92	J. S. Rapur and R. Tiwari	2017	National Symposium on Rotor Dyanmics (NSRD-2017)	December 12-13, 2017 at IIT Patna	Wavelet Packets based Adaptable Algorithm to Diagnose Multiple Independent and Coexisting Centrifugal Pump Faults with Corrupted Vibration and Current Signatures
93	R. S. Srinivas, R. Tiwari and Ch. K. Babu	2017	National Symposium on Rotor Dyanmics (NSRD-2017)	December 12-13, 2017 at IIT Patna	Modelling and Analysis of Coupled Rotor-Train Systems Integrated With An Active Magnetic Bearing
94	N. Sarmah and R. Tiwari	2017	National Symposium on Rotor Dyanmics (NSRD-2017)	December 12-13, 2017 at IIT Patna	A Stability Analysis Due to Internal Damping of a Cracked Jeffcott Rotor with a Offset Disc Integrated with an Active Magnetic Bearing
95	G. Ranjan and R. Tiwari	2017	National Symposium on Rotor Dyanmics (NSRD-2017)	December 12-13, 2017 at IIT Patna	Sensitivity Analysis of Residual Unbalances in Dynamic Balancing of Rigid Rotors using Influence Coefficient Methods Based on Measurement Error
96	R. Tiwari	2017	International Conference on Mechanical, Industrial and Materials Engineering (ICMIME-2017)	December 27-30, 2017 at Rajshahi University of Engineering and Technology, Rajshahi, Bangladesh	Condition Monitoring of Rotating Machinery: A Recent Trend
97	Bordoloi D.J. and R. Tiwari	2018	Proceedings of IFToMM 10th International Conference on Rotordynamics, September 23-27, 2018, Rio de Janeiro, Brazil.	IFToMM TC	Monitoring of Induction Motor Mechanical and Electrical Faults by Optimum Multiclass-Support Vector Machine Algorithms Using Genetic Algorithm
98	P. Gangsar and R. Tiwari	2018	Proceedings of IFToMM 9th International Conference on Rotordynamics, September 23-27, 2018, Rio de Janeiro, Brazil.	IFToMM TC	Performance Analysis of Support Vector Machine and Wavelet Packet Transform based Fault Diagnostics of Induction Motor at Various Operating Conditions
99	J. S. Rapur and R. Tiwari	2018	Proceedings of IFToMM 9th International Conference on Rotordynamics, September 23-27, 2018, Rio de Janeiro, Brazil.	IFToMM TC	Multi Fault Diagnosis of Centrifugal Pumps with Time, Frequency and Wavelet based Features using Support Vector Machines
100	Siva Srinivas R., R. Tiwari and Ch. K. Babu	2018	Proceedings of IFToMM 9th International Conference on Rotordynamics, September 23-27, 2018, Rio de Janeiro, Brazil.	IFToMM TC	Identification of Coupling Parameters in Flexibly Coupled Jeffcott Rotor Systems with Angular Misalignment and Integrated Through Active Magnetic Bearing
101	N. Sarmah and R. Tiwari	2018	Proceedings of IFToMM 9th International Conference on Rotordynamics, September 23-27, 2018, Rio de Janeiro, Brazil.	IFToMM TC	Identification of Crack and Internal Damping Parameters using Full Spectrum Responses from a Jeffcott Rotor Integrated with an Active Magnetic Bearing
102	R. Tiwari	2018	International Conference on Emerging trends in Mechanical Engineering-2018 (ICETME-2018), Dec. 20-22, Srinivasa Ramanujan Institute of Technology Ananthapuramu, Andhra Pradesh, India.	The Institute	Emerging Technology in Condition Monitoring of Rotating Machinery	Keynote speaker
103	R. Tiwari	2019	National Conference on ``Emerging Trends in Mechanical Engineering'' (NCETME-2019), to be held at Vishwakarma Institute of Technology, Pune; between 7-8 Feb. 2019	The Institute	Smart Health Monitoring of Rotor Systems	Keynote speaker
104	Siva Srinivas R., R. Tiwari and Ch. K. Babu	2019	National Symposium on Rotor Dynamics (NSRD-2019), July 2-3, 2019 at CSIR, National Aerospace Limited (NAL), Bangaluru	National Aerospace Laboratory, Bangalore	Finite Element Modeling and Analysis of Coupled Rotor System Integrated with AMB in the Presence of Parallel and Angular Misalignments
105	Prabhat Kumar and R. Tiwari	2019	National Symposium on Rotor Dynamics (NSRD-2019), July 2-3, 2019 at CSIR, National Aerospace Limited (NAL), Bangaluru	National Aerospace Laboratory, Bangalore	Dynamic response analysis of an unbalanced and misaligned rotor supported on active magnetic bearings and touchdown bearings
106	R. Tiwari	2019	National Symposium on Rotor Dynamics (NSRD-2019) during July 2-3, 2019 at CSIR, National Aerospace Limited (NAL), Bangaluru	National Aerospace Laboratory, Bangalore	Automation of Fault Detection and Diagnostics in Mechanical and Electrical Rotating Machinery	Expert Speaker (Invited talk)
107	Majumder Gargi and R. Tiwari	2019	International Design Engineering Technical Conferences and Computers and Information in Engineering Conference (IDETC/CIE2019) August 18-21, 2019, Anaheim, CA, USA	ASME	Vibration control of spur gear rotor system with transmission errors by active magnetic bearings
108	Prabhat Kumar and R. Tiwari	2019	Proceedings of the 2019 Gas Turbine India Conference (GTINDIA-2019), December 5-6, 2019, IIT Madras, India	IIT Madras and ASME	A Numerical Study on The Effect Of Unbalance and Misalignment Fault Parameters in a Rigid Rotor Levitated by Active Magnetic Bearings
109	N. Sarmah and R. Tiwari	2019	Proceedings of the 2019 Gas Turbine India Conference (GTINDIA-2019), December 5-6, 2019, IIT Madras, India	IIT Madras and ASME	Experimental Investigation of Active Control of Cracked Rotor-Bearing System Equipped with Magnetic Bearing
110	D. K. Roy and R. Tiwari	2019	Proceedings of the 2019 Gas Turbine India Conference (GTINDIA-2019), December 5-6, 2019, IIT Madras, India	IIT Madras and ASME	Finite Element Model based Full Spectrum Response Analysis of a Cracked Rotor with Internal and External Damping
111	R. Tiwari	2019	National Conference on Condition Monitoring (NCCM-2019), Sept. 20-21, 2019	KL University, Vijayawada	Artificial Intelligence Based Fault Detection and Diagnostics in Mechanical and Electrical Rotating Machinery	Invited Lecture
112	Prabhat Kumar and R. Tiwari	2020	12th International Conference on Vibrations in Rotating Machinery (VIRM-11), Institution of Mechanical Engineers, 14-15 Oct. 2020, Liverpool, UK.	IMechE, UK	Effects of unbalance and AMB misalignment in a rigid rotor with an offset disc levitated by active magnetic bearings: A Numerical Investigation
113	Siva Srinivas R., R. Tiwari and Ch. K. Babu	2020	12th International Conference on Vibrations in Rotating Machinery (VIRM-11), Institution of Mechanical Engineers, 14-15 Oct. 2020, Liverpool, UK.	IMechE, UK	Identification of misaligned additive forces and moments of coupling in turbo-generator system integrated with an active magnetic bearing

II. Web and Video Courses Developed

· Developed Web course on “Mechanical Vibration” (Dr. S K Dwivedy as Co-developer) under NPTEL-I MHRD (May, 2008)

· Recorded Video course lectures on “Mechanical Vibration” (Dr. S K Dwivedy as Co-developer) under NPTEL-I MHRD (May, 2008)

· Developed Web course on “Theory and Practice of Rotor Dynamics” (Sole developer) under NPTEL-II MHRD (Dec. 2013)

· Recorded Video course lectures on “Theory and Practice of Rotor Dynamics” (Sole developer) under NPTEL-II MHRD (Dec. 2013)

· Developed Virtual Lab on “Mechanical Vibration” (Dr. S K Dwivedy as Co-developer) under Pilot Phase of Virtual Labs MHRD (Mar. 2014)

· Development of Pedagogy based Curriculum Development on “Kinematics of Machinery” MHRD (Dr. S K Dwivedy as Co-developer) (On-going)

III. Information & Educational Technology (IET)

Journal/Book Articles

1. R. Tiwari, 2011, Internet Based Virtualization of Laboratory Experiments: A Reality Through Educational Technology, Contributed a Chapter in a Book on Educational Technology
 in the Changing Society, (Editor: R. Roy), Shipra Publications, Delhi. (ISBN 978-81-7541-551-5).
2. R. Tiwari and K. Singh, 2011, Virtualization of Engineering Discipline Experiments for the Internet-Based Remote Laboratory, Australasian Journal of Educational Technology (AJET), 
27(4), 671-692, 2011. http://www.ascilite.org.au/ajet/ajet27/tiwari.html
 

Conference and Seminar Papers/Talks/Panel Discussions:

1. R. Tiwari, 2002, Information Technology in North-East India. National program in All India Radio, New Delhi, (July), 15 minutes talk in Hindi.

2. R. Tiwari, 2004, Model Curriculum for M. Tech. Programs at IIT Guwahati. Proceedings of the Workshop on Model Curriculum for M. Tech. Programs for AICTE Approved Engineering Colleges, April 6, 2004, IIT Bombay.

3. R Tiwari, 2005, Engineering Education in North East India: A Survey. National Symposium on Engineering Education (NSEE-2005) at IISc, Bangalore during 25-26 Feb 2005.

4. R. Tiwari, 2007, Distance Learning Technologies in Education, IGNOU Sponsored Workshop on the Distance Mode of Teaching at Department of Management and Business Administration, Gauhati University, 23 Jan 2007.

5. R. Tiwari, 2007, New Horizons in Educational Technology, UGC Sponsored Workshop on the Mass Communications at Academic Staff College, Gauhati University, 27 February 2007.

6. R. Tiwari, 2007, Panel discussion on "A Vision on the Influence of Technology Developments, Globalization, Demography and New Approaches to Governance of Future Higher Education". International Conference on Higher Education (ICHE-07), 12-14 July 2007, IISc Bangalore.