TransportPhysicsAdvDiff class
Physics policy for advection-diffusion using continuous Galerkin.
Contents
- Reference
Public static functions
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static auto type() -> ctr::
PhysicsType noexcept - Return physics type.
Public functions
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void diffusionRhs(ncomp_
t system, ncomp_ t ncomp, tk:: real deltat, tk:: real J, const std::array<std::array<tk:: real, 3>, 4>& grad, const std::array<std::size_t, 4>& N, const std::vector<std::array<tk:: real, 4>>& u, const std::vector<const tk:: real*>& r, tk::Fields& R) const - Add diffusion contribution to rhs.
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auto diffusion_dt(ncomp_
t system, ncomp_ t ncomp, tk:: real L, const std::vector<std::array<tk:: real, 4>>&) const -> tk:: real - Compute the minimum time step size based on the diffusion.
Function documentation
void inciter::
Add diffusion contribution to rhs.
| Parameters | |
|---|---|
| system in | Equation system index, i.e., which transport equation system we operate on among the systems of PDEs |
| ncomp in | Number of components in this PDE |
| deltat in | Size of time step |
| J in | Element Jacobi determinant |
| grad in | Shape function derivatives, nnode*ndim [4][3] |
| N in | Element node indices |
| u in | Solution at element nodes at recent time step |
| r in | Pointers to right hand side at component and offset |
| R in/out | Right-hand side vector contributing to |
tk::
Compute the minimum time step size based on the diffusion.
| Parameters | |
|---|---|
| system in | Equation system index, i.e., which transport equation system we operate on among the systems of PDEs |
| ncomp in | Number of components in this PDE |
| L in | Characteristic length scale |
| Returns | Minimum time step size based on diffusion |
Compute the minimum time step size based on the diffusion