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MSU Faculty Authors

Author

Ratneshwar (Ratan) Jha

Associate Professor/Director, Raspet Flight Research Laboratory, Aerospace Engineering

E-mail address: Jha@raspet.msstate.edu
Website: http://www.ae.msstate.edu/site/pages/faculty/resumes.php?uid=72


Dr. Ratan Jha is the Director of Raspet Flight Research Laboratory (RFRL) at Mississippi State University (Founded in 1948, RFRL is one of the largest university based flight research labs in the US). Dr. Jha has conducted research in composite structural health monitoring, modeling of composite and smart structures, adaptive control of structural vibrations, and unmanned aircraft systems. He has published over 100 archival journal and conference proceedings papers and served as advisor/co-advisor for 28 PhD/Masters students. He is an Associate Fellow of AIAA and Member of ASME and ASEE. Dr. Jha has served as General Chair and Technical Chair for AIAA/ASME/ASC Adaptive Structures Conferences. Dr. Jha has received research grants from NSF, AFOSR, NASA, US Army, and several industries. He serves on the Editorial Boards of International Journal of Aerospace Engineering and International Journal of Unmanned Systems Engineering. He served as Manager (Design) at Hindustan Aeronautics Limited (Bangalore, India) leading a team of engineers working on conceptual and preliminary designs of combat aircraft.

Alavinasab, Ali, Ratan Jha, and Goodarz Ahmadi. "Modeling of Carbon Nanotube Composites Based on Nonlocal Elasticity Approach" International Journal for Computational Methods in Engineering Science and Mechanics 15.1 (2014): 17-25.
Samaratunga, Dulip, Ratan Jha, and S. Gopalakrishnan. "Wavelet Spectral Finite Element for Wave Propagation in Shear Deformable Laminated Composite Plates" Composite Structures 108.1 (2014): 341-353.
Kunwar, Anshuman, Ratan Jha, Matt Whelan, and Kerop Janoyan. "Damage Detection in an Experimental Bridge Model Using Hilbert-Huang Transform of Transient Vibrations" Structural Control and Health Monitoring 20.1 (2013): 1-15.
Coffin, Peter, Goodarz Ahmadi, Ratan Jha, and Pier Marzocca. "Deployment Dynamics of a Rolled Micro Air Vehicle Wing" Journal of Aircraft 50.1 (2013): 130-139.
Watkins, Ryan and Ratan Jha. "A Modified Time Reversal Method for Lamb Wave Based Diagnostics of Composite Structures" Mechanical Systems and Signal Processing 31.1 (2012): 345-354.
Guan, Xufei, Adom Griffin, Ratan Jha, and Yongming Liu. "Maximum Relative Entropy Based Probablistic Inference in Fatigue Crack Damage Prognostics" Probablistic Engineering Mechanics 29.1 (2012): 157-166.

Guan, Xufei, Jingjing He, Ratan Jha, and Yongming Liu. "Structure Reliability and Response Prognostics Under Uncertainty Using Bayesian Analysis and Analytical Approximations." Diagnostics and Prognostics of Engineering Systems: Methods and Techniques. Seifedine Kadry. IGI Global, 2012. 358-375.
Jha, Ratan and Sudhir Barai. "Nueral Network and Genetic Algorithm in Structural Health Monitoring." Intelligent Materials and Structural Health Monitoring: Materials, Devices, and Analysis. Douglas Adams. Wiley, 2012.

Samaratunga, Dulip, Xufei Guan, Ratan Jha, and S. Gopalakrishnan. "Wavelet Spectral Finite Element Method for Modeling Wave Propagation in Stiffened Composite Laminates." 21st AIAA/ASME/AHS Adaptive Structures Conference, April 8-11, 2013, Boston, MA. 2013.
Guan, Xufei, Dulip Samaratunga, Ruisheng Wang, and Ratan Jha. "Experimental Identification of Delamination Size and Location Based on Signal Correlations." 21st AIAA/ASME/AHS Adaptive Structures Conference, April 8-11, 2013, Boston, MA. 2013.
Guan, Xufei, J. Zhang, S. Zhou, and Ratan Jha. "Laplace Approximation and First-order Reliability Methods for Multi-Modal Distributions and Its Application in Reliability Estimation Problems." 54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference, April 8-11, 2013, Boston, MA. 2013.
Azizi, Yousof and Ratan Jha. "Damage Detection in Composite Laminates Based on Adaptive Phase Estimation of Lamb Waves." IMECE2012-88214, ASME 2012 International Mechanical Engineering Congress and Exposition, November 9-15, 2012, Houston, TX. 2012. 123-130.
Obeid, Sohaib, Ratan Jha, and G. Ahmadi. "Closed-loop Feedback Control of Flow Over a Flapped Airfoil at High Angles of Attack Using Identified NARMAX Model." ASME Fluids Engineering Division Summer Meeting, July 8-12, 2012, Puerto Rico, USA. 2012. 915-920.
Samaratunga, Dulip and Ratan Jha. "Lamb Wave Propagation Simulation in Smart Composite Structures." SIMULIA Customer Conference, May 15-17, 2012, Providence, RI. 2012.
Guan, Xufei, Jingjing He, Ratan Jha, and YongMing Liu. "Time-dependent Reliability Analysis Using Efficient Bayesian Method." 53rd AIAA/ASME/AHS/ASC Structures, Structural Dynamics, and Materials Conference, April 23-26, 2012, Honolulu, HI. 2012.
Samaratunga, Dulip, Ruisheng Wang, and Ratan Jha. "Lamb Wave Instantaneous Phase Based Method for Quanatative Level of Delaminaton Damage in Composite Structures." SMASIS2012-8216, ASME Conference on Smart Materials, Adaptive Structures and Intelligent Systems, September 19-21, 2012, Stone Mountain, GA. 2012. 891-895.
Samaratunga, Dulip, Ratan Jha, and S. Gopalakrishnan. "Wavelet Spectral Finite Element Modeling of Transverse Crack for Structural Health Monitoring of Composite Plates." 20th AIAA/ASME/AHS Adaptive Structures Conference, April 23-26, 2012, Honolulu, HI. 2012.