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Refactoring

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This commit is contained in:
André R. Brodtkorb
2018-11-01 15:17:13 +01:00
parent 064027fc0b
commit 2b899d1c80
10 changed files with 234 additions and 194 deletions
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6
GPUSimulators/cuda/EulerCommon.h
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@@ -61,17 +61,17 @@ __device__ float4 F_func(const float4 Q, float P) {
/**
* Central upwind flux function
*/
__device__ float4 CentralUpwindFlux(const float4 Qm, float4 Qp, const float gamma) {
__device__ float4 CentralUpwindFlux(const float4 Qm, const float4 Qp, const float gamma) {
const float Pp = pressure(Qp, gamma);
const float4 Fp = F_func(Qp, Pp);
const float up = Qp.y / Qp.x; // rho*u / rho
const float cp = sqrt(gamma*Pp*Qp.x); // sqrt(gamma*P/rho)
const float cp = sqrt(gamma*Pp/Qp.x); // sqrt(gamma*P/rho)
const float Pm = pressure(Qm, gamma);
const float4 Fm = F_func(Qm, Pm);
const float um = Qm.y / Qm.x; // rho*u / rho
const float cm = sqrt(gamma*Pm/Qm.x); // sqrt(g*h)
const float cm = sqrt(gamma*Pm/Qm.x); // sqrt(gamma*P/rho)
const float am = min(min(um-cm, up-cp), 0.0f); // largest negative wave speed
const float ap = max(max(um+cm, up+cp), 0.0f); // largest positive wave speed