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spectral decomposition

WaiChing Sun's picture

Spectral decomposition

Dear all,

     Many numerical implementation of plasticity model uses spectral decomposition to represent the Cauchy stress, elastic strain,  such that stress update algorithm is written in the principal directions. As a result, I wonder what makes it benefical to write the stress update algorithm in spectral form? 


WaiChing Sun


A spectral decomposition problem

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