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Energetically Consistent Invertible Elasticity

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A. Stomakhin, R. Howes, C. Schroeder, J. Teran. Energetically Consistent Invertible Elasticity. Eurographics Symposium on Computer Animation (SCA) 2012.

We devise an energy-based approach for extending isotropic hyperelastic constitutive models to handle inverted configurations. We also develop a new tool for analyzing and improving the behavior of constitutive models. We demonstrate improvements on the inverting finite element method and the popular corotational model.