MFEM v4.7.0
Finite element discretization library
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Strain energy density coefficient. More...
#include <ex37.hpp>
Public Member Functions | |
StrainEnergyDensityCoefficient (Coefficient *lambda_, Coefficient *mu_, GridFunction *u_, GridFunction *rho_filter_, real_t rho_min_=1e-6, real_t exponent_=3.0) | |
virtual real_t | Eval (ElementTransformation &T, const IntegrationPoint &ip) |
Evaluate the coefficient in the element described by T at the point ip. | |
Public Member Functions inherited from mfem::Coefficient | |
Coefficient () | |
virtual void | SetTime (real_t t) |
Set the time for time dependent coefficients. | |
real_t | GetTime () |
Get the time for time dependent coefficients. | |
real_t | Eval (ElementTransformation &T, const IntegrationPoint &ip, real_t t) |
Evaluate the coefficient in the element described by T at the point ip at time t. | |
virtual void | Project (QuadratureFunction &qf) |
Fill the QuadratureFunction qf by evaluating the coefficient at the quadrature points. | |
virtual | ~Coefficient () |
Protected Attributes | |
Coefficient * | lambda =nullptr |
Coefficient * | mu =nullptr |
GridFunction * | u = nullptr |
GridFunction * | rho_filter = nullptr |
DenseMatrix | grad |
real_t | exponent |
real_t | rho_min |
Protected Attributes inherited from mfem::Coefficient | |
real_t | time |
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Evaluate the coefficient in the element described by T at the point ip.
Implements mfem::Coefficient.
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