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High strain rate loading

Cemal Basaran's picture

A unified mechanics theory-based model for temperature and strain rate dependent proportionality limit stress of mild steel

Strain rate and temperature dependent elastic limit of mild steel is investigated by developing a dislocation incipient motion-based proportionality limit stress model. Temperature effect on strain energy of an edge dislocation is modeled by using unified mechanics theory. Unified mechanics theory-based index, called thermodynamic state index, is used to model thermally assisted degradation of strain energy. Kinetic energy due to thermal vibrations is added to the kinetic energy of an accelerating dislocation.

Fabrice Pierron's picture

5 years post-doctoral fellowship available, University of Southampton

I am looking for a post-doctoral research fellow with a high academic profile to join me on the PhotDyn project. The topic concerns the development of novel high strain rate testing procedures based on ultra-high speed deformation imaging and inverse identification. I am mainly looking for someone with expertise in constitutive modelling of materials. The detailed job description can be consulted here.

ranajay's picture

Sixth M.I.T. Conference on Computational Fluid and Solid Mechanics - Focus: Solids & Structures; June 15-17, 2011

Dear Colleagues,

The session organizers would like to invite researchers to contribute their work for a special session on “Impact Modeling of Composites” for the Sixth M.I.T.  Conference on Computational Fluid and Solid Mechanics to be held in June 2011 at the Massachusetts Institute of Technology.

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