doc:user:elements:volumes:hyper_materials
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| doc:user:elements:volumes:hyper_materials [2024/04/12 14:55] – radermecker | doc:user:elements:volumes:hyper_materials [2026/01/16 15:36] (current) – [VeIsoHyperPk2Material] vanhulle | ||
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| Line 13: | Line 13: | ||
| $$ | $$ | ||
| + | === Parameters === | ||
| + | ^ | ||
| + | | Density | ||
| + | | NeoHookean coefficient ($C_1$) | ||
| + | | Initial bulk modulus ($k_0$) | ||
| + | | Material temperature evolution law | '' | ||
| + | | Thermal expansion coefficient ($\alpha$) | ||
| + | ===== TmNeoHookeanHyperMaterial ===== | ||
| + | <note important> | ||
| + | === Description === | ||
| + | Neo-Hookean hyperelastic law, using a '' | ||
| - | $$ | + | Here, the '' |
| - | U^{dev}=\dfrac{g_0}{2} \left[\text{tr}\right(\hat{\mathbf{C}}\left)-3\right] | + | |
| - | $$ | + | |
| === Parameters === | === Parameters === | ||
| - | ^ | + | ^ |
| - | | Density | + | | Density |
| - | | NeoHookean coefficient ($C_1$) | + | | NeoHookean coefficient ($C_1$) |
| - | | Initial bulk modulus ($k_0$) | + | | Initial bulk modulus ($k_0$) |
| + | | Thermal expansion coefficient ($\alpha$) | ||
| + | | Conductivity | ||
| + | | Heat capacity | ||
| + | | Dissipated thermoelastic power fraction | ||
| + | | Dissipated (visco)plastic power fraction (Taylor-Quinney factor) | ||
| ===== MooneyRivlinHyperMaterial ===== | ===== MooneyRivlinHyperMaterial ===== | ||
| Line 38: | Line 51: | ||
| + | === Parameters === | ||
| + | ^ | ||
| + | | Density | ||
| + | | Mooney-Rivlin coefficient ($C_1$) | ||
| + | | Mooney-Rivlin coefficient ($C_2$) | ||
| + | | Initial bulk modulus ($k_0$) | ||
| + | | Material temperature evolution law | '' | ||
| + | | Thermal expansion coefficient ($\alpha$) | ||
| - | $$ | + | |
| - | U^{dev}=\dfrac{g_0}{2} | + | <WRAP center round important 60%> |
| - | $$ | + | **Version < 3554**\\ |
| + | This material has no analytical material tangent stiffness. The latter should be computed by pertubation | ||
| + | See '' | ||
| + | </ | ||
| + | |||
| + | ===== TmMooneyRivlinHyperMaterial ===== | ||
| + | <note important> | ||
| + | === Description === | ||
| + | |||
| + | Mooney-Rivlin hyperelastic law, using a '' | ||
| + | |||
| + | Here, the '' | ||
| === Parameters === | === Parameters === | ||
| - | ^ | + | ^ |
| - | | Density | + | | Density |
| - | | Mooney-Rivlin coefficient ($C_1$) | + | | Mooney-Rivlin coefficient ($C_1$) |
| - | | Mooney-Rivlin coefficient ($C_2$) | + | | Mooney-Rivlin coefficient ($C_2$) |
| - | | Initial bulk modulus ($k_0$) | + | | Initial bulk modulus ($k_0$) |
| + | | Thermal expansion coefficient ($\alpha$) | ||
| + | | Conductivity | ||
| + | | Heat capacity | ||
| + | | Dissipated thermoelastic power fraction | ||
| + | | Dissipated (visco)plastic power fraction (Taylor-Quinney factor) | ||
| Line 63: | Line 100: | ||
| $$ | $$ | ||
| - | The deviatoric potential is computed based on a Cauchy tensor with a unit determinant: | + | The deviatoric potential is computed based on the right Cauchy–Green deformation |
| $$ | $$ | ||
| Line 71: | Line 108: | ||
| === Parameters === | === Parameters === | ||
| - | ^ | + | ^ |
| - | | Density | + | | Density |
| - | | Initial bulk modulus ($k_0$) | + | | Initial bulk modulus ($k_0$) |
| - | | Initial shear modulus ($g_0$) | + | | Initial shear modulus ($g_0$) |
| + | | Material temperature evolution law | '' | ||
| + | | Thermal expansion coefficient ($\alpha$) | ||
| ===== LogarihtmicHyperPk2Material ===== | ===== LogarihtmicHyperPk2Material ===== | ||
| Line 82: | Line 121: | ||
| Logarithmic hyperelastic law, using a '' | Logarithmic hyperelastic law, using a '' | ||
| - | The potential per unit volume is computed based on the average compressibility of the element, ($q$): | + | The potential per unit volume is computed based on the average compressibility of the element, ($\theta$): |
| $$ | $$ | ||
| Line 96: | Line 135: | ||
| === Parameters === | === Parameters === | ||
| - | ^ | + | ^ |
| - | | Density | + | | Density |
| - | | Initial bulk modulus ($k_0$) | + | | Initial bulk modulus ($k_0$) |
| - | | Initial shear modulus ($g_0$) | + | | Initial shear modulus ($g_0$) |
| + | | Material temperature evolution law | '' | ||
| + | | Thermal expansion coefficient ($\alpha$) | ||
| ===== EvpIsoHLogarithmicHyperPk2Material ===== | ===== EvpIsoHLogarithmicHyperPk2Material ===== | ||
| Line 121: | Line 163: | ||
| ^ | ^ | ||
| - | | Density | + | | Density |
| - | | Initial bulk modulus ($k_0$) | + | | Initial bulk modulus ($k_0$) |
| - | | Initial shear modulus ($g_0$) | + | | Initial shear modulus ($g_0$) |
| | Number of the material law which defines the yield stress $\sigma_{yield}$ | '' | | Number of the material law which defines the yield stress $\sigma_{yield}$ | '' | ||
| + | | Material temperature evolution law | '' | ||
| + | | Thermal expansion coefficient ($\alpha$) | ||
| ===== FunctionBasedHyperPk2Material ===== | ===== FunctionBasedHyperPk2Material ===== | ||
| Line 143: | Line 187: | ||
| ^ | ^ | ||
| - | | Density | + | | Density |
| - | | Initial bulk modulus ($k_0$) | + | | Initial bulk modulus ($k_0$) |
| - | | Number of the hyperelastic law | '' | + | | Number of the hyperelastic law | '' |
| + | | Material temperature evolution law | '' | ||
| + | | Thermal expansion coefficient ($\alpha$) | ||
| Line 188: | Line 234: | ||
| ^ | ^ | ||
| - | | Density | + | | Density |
| - | | Initial bulk modulus ($k_0$) | + | | Initial bulk modulus ($k_0$) |
| | Number of the main viscoelastic law | '' | | Number of the main viscoelastic law | '' | ||
| - | | Number | + | | Array of numbers definining |
| - | | Number of the second Maxwell viscoelastic | + | | Material temperature evolution |
| - | | Number of the third Maxwell viscoelastic law (optional) | '' | + | | Thermal expansion coefficient |
doc/user/elements/volumes/hyper_materials.1712926538.txt.gz · Last modified: by radermecker
