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In this paper recently feature on the cover of Science Translational Medicine, we report the development of a class of mechanically flexible silicon electronics for multiplexed measurement of signals in an intimate, conformal integrated mode on the dynamic, three-dimensional surfaces of soft tissues in the human body. Mechanics model shows that the strain in the fragile materials, e.g.

These notes belong to a course on fracture mechanics

Decouple elastic deformation of the body and inelastic process of separation. Up to this point we have been dealing with the following situation. When a load causes a crack to extend in a body, a large part of the body is elastic, and the inelastic process of separation occurs in a zone around the front of the crack. Inelastic process of separation includes, for example, breaking of atomic bonds, growth of voids, and hysteresis in deformation.

The Engineering Science and Mechanics (ESM) Department at Virginia Tech is seeking a non-tenure track Instructor that will begin on August 10, 2010. The successful candidate will have a Ph.D. or a M.S. in Engineering Mechanics or a related discipline. Candidates with an M.S. degree must have taken a minimum of 18 graduate semester hours of courses related to engineering mechanics. Teaching experience in a university or college is preferred.

Postdoctoral Research Associate - Johns Hopkins University - April
2010: