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MFEM v4.8.0
Finite element discretization library
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Header for small strain, isotropic, linear elasticity kernels. More...
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namespace | mfem |
Header for small strain, isotropic, linear elasticity kernels.
Strong form: -div(sigma(u)) The constitutive model is given in terms of Lame parameters, sigma(u) = lambda*div(u)I + 2*mu*sym(grad(u)). The weak form implemented is (suppressing integral) Weak form : lambda*div(u)*div(v) + 2*mu*sym(grad(u))*sym(grad(v)) DATA LAYOUT ASSUMPTIONS : Finite element space - Ordering::byNODES Finite element basis - ElementDofOrdering::NATIVE Quadrature functions - QVectorLayout::byNODES All elements in "fespace" are the same.
Definition in file bilininteg_elasticity_kernels.hpp.