HLLFlux Struct Reference

adc_cpp 0.3.0 Model-free C++23 core for coupled hyperbolic-elliptic systems on adaptive (AMR) meshes, with MPI and GPU (Kokkos) backends

• pops
• HLLFlux

Public Member Functions | List of all members

pops::HLLFlux Struct Reference

HLLFlux (Harten-Lax-van Leer): 2 signal speeds, less diffusive than Rusanov. More...

#include <numerical_flux.hpp>

Collaboration diagram for pops::HLLFlux:

Public Member Functions
template<class Model >
POPS_HD Model::State	operator() (const Model &m, const typename Model::State &UL, const Aux &AL, const typename Model::State &UR, const Aux &AR, int dir) const

Detailed Description

HLLFlux (Harten-Lax-van Leer): 2 signal speeds, less diffusive than Rusanov.

Requires model.wave_speeds (signed speeds sL, sR). Less diffusive than Rusanov on shocks and rarefactions; still imperfectly captures contact discontinuities (a single star region). Returns FL if sL >= 0, FR if sR <= 0, the HLL flux otherwise. POPS_HD.

Member Function Documentation

◆ operator()()

template<class Model >

POPS_HD Model::State pops::HLLFlux::operator() ( const Model &  m, const typename Model::State &  UL, const Aux &  AL, const typename Model::State &  UR, const Aux &  AR, int  dir  ) const

inline

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The documentation for this struct was generated from the following file:

• include/pops/numerics/fv/numerical_flux.hpp

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