Feel++

Compressible Saint-Venant-Kirchhoff model

Saint-Venant-Kirchhoff model can be used to modelize hyperelastic struture, by

\boldsymbol{\Sigma}_s=\lambda_s tr( \boldsymbol{E}_s)\boldsymbol{I} + 2\mu_s\boldsymbol{E}_s

Variables, symbols and units

Notation

Quantity

Unit

\lambda_s

first Lamé coefficients

N/m^2

\mu_s

second Lamé coefficients

N/m^2

\boldsymbol{E}_s

Green Lagrangian tensor