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

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.

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.

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

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.

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

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

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.

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

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.

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

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.

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.

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

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.

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

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.

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.

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.

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

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.

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

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.

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.

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.

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.

34

S. 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.

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.

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.

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

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

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

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.

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.

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.

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.

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.

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.

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

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

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

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

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.

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’

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

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

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

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

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.

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

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

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

60

D. Gayen, D. Chakraborty and R. Tiwari

2017

Journal of Vibration Engineering & Technologies

 

In press: V7(1), Jan 2019

Free Vibration Analysis of Functionally Graded Shaft System with a Surface Crack

 

 

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.

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

63

R. Tiwari and R. C. M. Chandran

2017

Multidiscipline Modelling in Materials and Structures

Provisionally accepted.

Optimal Design of Deep-Groove Ball Bearings Based on

Multitude of Objectives Using Evolutionary Algorithms

 

Emerand Publishing

64

M. Lal  and R Tiwari

2017

Sadhana – Indian Academy Proceedings in Engineering

In Press

Experimental Identification of Shaft Misalignment in a Turbo-generator System

 

Springer

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

D. Gayen, D. Chakraborty and R. Tiwari

2017

International Journal of Mechanical Sciences

 

Provisionally accepted

Finite element analysis for a functionally graded rotating shaft with multiple breathing cracks

Elsevier Ltd.

 

 

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

2nd 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

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

 

80

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

 

81

R S. Srinivas and R. Tiwari

 

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

 

82

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

 

 

 

 

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.

 

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