Hello guys :grinning_face_with_smiling_eyes: ! So i wanna calculate the components of a 2D stiffness tensor and i already have all the values of the stress (sigma11,sigma22,sigma12) and strains (epsilon11,epsilon22,epsilon12). How can i do that ? [stifnesss]

@CHAIkah : After thinking about this problem some more, I have realized I should make one minor correction to my answer(s). The 2D strain vector is generally formulated as \varepsilon = \begin{bmatrix} \varepsilon_{11} \\ \varepsilon_{22} \\ \gamma_{12} \end{bmatrix} = \begin{bmatrix} \varepsilon_…

Extract stiffness tensor C

CHAIkah July 8, 2021, 1:04pm 8

you mean i need to study three different load cases (uniaxial strain in x , uniaxial strain in y , and shear strain and each time i’ll get a column of the tensor ?

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Extract stiffness tensor C

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