Ratneshwar (Ratan) Jha

Ratneshwar (Ratan) Jha

Ratneshwar (Ratan) Jha, PhD

Department Head and Professor

Rowan Hall 213

Phone: 856-256-5370; Email: jhar@rowan.edu

Curriculum Vita: jha-cv.pdf

 

Education:

  • Ph.D. - Mechanical Engineering, Arizona State University, Tempe, 1999
  • M.S. - Aerospace Engineering, Georgia Institute of Technology, Atlanta, 1982
  • B.Tech. - Aeronautical Engineering (Honors), Indian Institute of Technology, Kharagpur, 1981

Appointments:

  • Professor, Mechanical Engineering, Rowan University, 2018-Present
  • Professor, Aerospace Engineering, Mississippi State University, 2015-2018
  • Director, Raspet Flight Research Laboratory/Advanced Composites Institute, MSU, 2012-2016
  • Associate Professor, Aerospace Engineering, MSU, 2012-2015
  • Associate Professor, Mech. and Aeronautical Engineering, Clarkson University, 2005-2012
  • Assistant Professor, Mech. and Aeronautical Engineering, Clarkson University, 1999-2005
  • Aeronautical Engineer/ Deputy Manager (Design)/ Manager (Design), Aerodynamics Group, Hindustan Aeronautics Limited (HAL), Bangalore, India, 1983-1995

Research Areas:

  • Structural Health Monitoring, Elastic Wave Propagation, Composites & Smart Structures, Intelligent Control (Smart Structures and Aerospace Vehicles), Unmanned Aerial Vehicles

Principal Research Sponsors:

  • NASA, AFOSR, ARO, NSF, FAA, Boeing, New York State

Select Research / Collaboration Activities:

  • Wavelet spectral finite element for guided wave propagation in composites - AFOSR
  • Modeling of carbon nanotube composites based on nonlocal elasticity approach - ARO
  • Damage detection in experimental bridge model using Hilbert-Huang transform - New York State
  • Model selection, updating, and averaging for probabilistic fatigue damage prognosis - NASA
  • Hybrid Adaptive Ascent Flight Control for a Flexible Launch Vehicle - NASA

Professional Activities / Membership:

  • ASME Fellow; AIAA Associate Fellow; Technical/ General Chair (AIAA/ASME/AHS Adaptive Structures Conferences, 2013/2014); Editorial Board - International Journal of Aerospace Engineering

Select Publications (Published >130 Journal/Conference Papers):

  • D. Samaratunga, R. Jha, and S. Gopalakrishnan, “Wavelet Spectral Finite Element for Modeling Guided Wave Propagation and Damage Detection in Stiffened Composite Panels,” Struct Health Monitor, 2016, 15(3) 317–334.
  • D. Samaratunga, R. Jha, and S. Gopalakrishnan, “Wave Propagation in Adhesively Bonded Composite Joints Using the Wavelet Spectral Finite Element Method,” Composite Structures, 122 (2015), 271-283.
  • D. Samaratunga, R. Jha, and S. Gopalakrishnan, “Wavelet Spectral Finite Element for Wave Propagation in Shear Deformable Laminated Composite Plates,” Composite Structures, 108 (2014), 341–353.
  • A. Alavinasab, R. Jha, and G. Ahmadi, “Modeling of Carbon Nanotube Composites Based on Nonlocal Elasticity Approach,” Inter. Journal for Computational Methods in Engineering Science and Mechanics, 15(2014), 17-25.
  • A. Kunwar, R. Jha, M. Whelan, and K. Janoyan, “Damage Detection in an Experimental Bridge Model Using Hilbert-Huang Transform of Transient Vibrations,” Structural Control & Health Monitoring, 20(1), 2013, pp. 1-15.
  • R. Watkins and R. Jha, “A Modified Time Reversal Method for Lamb Wave Based Diagnostics of Composite Structures,” Mechanical Systems and Signal Processing, 31(2012), 345-354.
  • X. Guan, R. Jha, and Y. Liu, “Model Selection, Updating and Averaging for Probabilistic Fatigue Damage Prognosis,” Structural Safety, Volume 33, Issue 3, 2011, pp. 242-249.