doc:user:elements:volumes:hyper_materials
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doc:user:elements:volumes:hyper_materials [2015/01/26 12:12] – joris | doc:user:elements:volumes:hyper_materials [2024/04/12 14:53] – radermecker | ||
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====== Hyperelastic materials ====== | ====== Hyperelastic materials ====== | ||
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+ | ===== NeoHookeanHyperMaterial ===== | ||
+ | |||
+ | === Description === | ||
+ | |||
+ | Neo-Hookean hyperelastic law, using a '' | ||
+ | |||
+ | (Quasi-)incompressibility is treated by a volumetric/ | ||
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+ | $$ | ||
+ | | ||
+ | $$ | ||
+ | |||
+ | |||
+ | |||
+ | $$ | ||
+ | U^{dev}=\dfrac{g_0}{2} \left[\text{tr}\right(\hat{\mathbf{C}}\left)-3\right] | ||
+ | $$ | ||
+ | |||
+ | === Parameters === | ||
+ | ^ | ||
+ | | Density | ||
+ | | NeoHookean coefficient ($C_1$) | ||
+ | | Initial bulk modulus ($k_0$) | ||
===== NeoHookeanHyperPk2Material ===== | ===== NeoHookeanHyperPk2Material ===== | ||
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| Density | | Density | ||
| Initial bulk modulus ($k_0$) | | Initial bulk modulus ($k_0$) | ||
- | | Initial shear modulus ($g_0$) | + | | Initial shear modulus ($g_0$) |
===== LogarihtmicHyperPk2Material ===== | ===== LogarihtmicHyperPk2Material ===== |
doc/user/elements/volumes/hyper_materials.txt · Last modified: 2024/05/02 11:15 by radermecker