Ratneshwar (Ratan) Jha, Ph.D.

Ratneshwar (Ratan) Jha, Ph.D.

Ratneshwar (Ratan) Jha, Ph.D.
Mechanical Engineering Professor and Department Head

Ratneshwar (Ratan) Jha, Ph.D.
Mechanical Engineering

Contact Info
Rowan Hall 211


Personal Gender Pronoun: He/Him/His

B.Tech - Aeronautical Engineering (Honors) (Indian Institute of Technology, Kharagpur)
MS - Aerospace Engineering (Georgia Tech)
Ph.D. - Mechanical Engineering (Arizona State University)

Research Expertise: Structural Health Monitoring; Elastic Wave Propagation; Composites & Smart Structures; Intelligent Control (Smart Structures and Aerospace Vehicles); Unmanned Aerial Vehicles

Dr. Jha is involved in collobarations that include, Wavelet spectral finite element for guided wave propagation in composites with AFOSR, modeling of carbon nanotube composites based on nonlocal elasticity approach with ARO, Damage detection in experimental bridge model using Hilbert-Huang transform with New York State, model selection, updating, and averaging for probabilistic fatigue damage prognosis with NASA, and  hybrid Adaptive Ascent Flight Control for a Flexible Launch Vehicle with NASA.

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

Recent Publications:
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.