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P. Venkitanarayanan, PhD (U of Rhode Island)

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Category: Mechanical Engineering
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Associate Professor 

Research Interests: Experimental Solid Mechanics, Dynamic Fracture Mechanics, Functionally Graded Composites.
Email:  venkit[AT]iitk.ac.in 
ph:  +91-512-259-7528(O)
Website: http://home.iitk.ac.in/~venkit
Our recent research is focused on three areas as listed below. Understanding the fracture behavior of materials in which there are property gradients. Currently we are looking at the effect of both elastic and toughness variation along the crack front on the stability of stationary cracks in layered systems. Both analytical and experimental techniques are employed to meet this objective. Subsequently the behavior of fast propagating cracks in these systems will be investigated. Observing in real-time the fracture processes at microscopic scale in polymers and make measurements of the local strain and displacement fields. This information will be used to develop models that can represent the fracture processes and eventually predict the fracture behavior of bulk polymers (with Dr. S. Basu). Investigate the effect of strain rate on the compressive strength and failure patterns of hard ceramics, when subjected to highly dynamic short duration loading (50-100 microseconds) using the Hopkinson bar technique combined with ultra high-speed imaging.