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multscale damage evolution in composites

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.

In Quest of Virtual Tests for Structural Composites

Listed below is a recent publication of mine in Science for your possible interest and critics. This is a review article focusing on the multiscale simulation issues in strucutral composites. I will be more than happy to discuss with those of you who are interested. The following is the abstract.

The difficult challenge of simulating diffuse and complex fracture patterns in tough structural composites is at last beginning to yield to conceptual and computational advances in fracture modeling. Contributing successes include the refinement of cohesive models of fracture and the formulation of hybrid stress-strain and traction-displacement models that combine continuum (spatially averaged) and discrete damage representations in a single calculation. Emerging hierarchical formulations add the potential of tracing the damage mechanisms down through all scales to the atomic. As the models near the fidelity required for their use as virtual experiments, opportunities arise for reducing the number of costly tests needed to certify safety and extending the design space to include material configurations that are too complex to certify by purely empirical methods.

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