funcy
1.6.1
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Right Cauchy-Green strain tensor \( F^T F \) for a symmetric matrix \( F \). More...
#include <strain_tensor.h>
Public Member Functions | |
RightCauchyGreenStrainTensor (const Mat &F) | |
Constructor. More... | |
void | update (const Mat &F) |
Reset point of evaluation. | |
const Mat & | d0 () const noexcept |
Function value \( F^T * F \). | |
Mat | d1 (const Mat &dF1) const |
First directional derivative \( F^T dF_1 + dF_1^T F \). | |
Mat | d2 (const Mat &dF1, const Mat &dF2) const |
Second directional derivative \( dF_2^T dF_1 + dF_1^T dF_2 \). | |
Right Cauchy-Green strain tensor \( F^T F \) for a symmetric matrix \( F \).
Used in nonlinear material models based on the deformation gradient \(\nabla\varphi\), which takes the role of \(F\).