# inciter::MultiMatProblemGasImpact class

### Contents

• Reference

MultiMat system of PDEs problem: Triple point problem

## Public static functions

static auto initialize(ncomp_t system, ncomp_t ncomp, tk::real x, tk::real y, tk::real, tk::real) -> tk::InitializeFn::result_type
Initialize numerical solution.
static auto analyticSolution(ncomp_t system, ncomp_t ncomp, tk::real x, tk::real y, tk::real z, tk::real t) -> std::vector<tk::real>
Evaluate analytical solution at (x,y,z,t) for all components.
static auto src(ncomp_t, tk::real, tk::real, tk::real, tk::real, tk::real& r, tk::real& ru, tk::real& rv, tk::real& rw, tk::real& re) -> tk::MultiMatSrcFn::result_type
Compute and return source term for this problem.
static auto names(ncomp_t) -> std::vector<std::string>
Return names of integral variables to be output to diagnostics file.
static auto type() -> ctr::ProblemType noexcept
Return problem type.

## Function documentation

### static tk::InitializeFn::result_type inciter::MultiMatProblemGasImpact::initialize(ncomp_t system, ncomp_t ncomp, tk::real x, tk::real y, tk::real, tk::real)

Initialize numerical solution.

Parameters
system in Equation system index, i.e., which multi-material flow equation system we operate on among the systems of PDEs
ncomp in Number of scalar components in this PDE system
in X coordinate where to evaluate the solution
in Y coordinate where to evaluate the solution
Returns Values of all components evaluated at (x)

Evaluate analytical solution at (x,y,z,t) for all components

### static std::vector<std::string> inciter::MultiMatProblemGasImpact::names(ncomp_t)

Return names of integral variables to be output to diagnostics file.

Returns Vector of strings labelling integral variables output