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Nadish Saini
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,205 @@ | ||
| #include "nrs.hpp" | ||
| #include "platform.hpp" | ||
| #include "nekInterfaceAdapter.hpp" | ||
| #include "RANSktau.hpp" | ||
| #include "linAlg.hpp" | ||
| #include "RANSktauBuo.hpp" | ||
|
|
||
| namespace{ | ||
| static nrs_t* nrs; | ||
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| int kFieldIndex; | ||
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| static dfloat rho; | ||
| static dfloat mueLam; | ||
| static dfloat conductivity; | ||
| static dfloat Ri; | ||
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| static occa::memory o_gvec; | ||
| static occa::memory o_T; | ||
| static occa::memory o_k; | ||
| static occa::memory o_tau; | ||
| static occa::memory o_implicitBuo; | ||
|
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| static occa::kernel diffKernel; | ||
| static occa::kernel computeKernel; | ||
| static occa::kernel forceKernel; | ||
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| static bool setupCalled = 0; | ||
| static bool buildKernelCalled = 0; | ||
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| static dfloat coeff[] = { | ||
| 1./0.85, // inverse turbulent Prandtl number | ||
| 0.3 // Cs_buo | ||
| }; | ||
|
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| occa::memory implicitBuo(double time, int scalarIdx) | ||
| { | ||
| mesh_t* mesh = nrs->meshV; | ||
| auto o_implicitKtau = RANSktau::implicitK(time, scalarIdx); | ||
|
|
||
| if (scalarIdx == kFieldIndex){ | ||
| auto o_term = o_implicitBuo.slice(0 * nrs->fieldOffset, nrs->fieldOffset); | ||
| platform->linAlg->axpby(mesh->Nlocal, 1.0, o_implicitKtau, 1.0, o_term); | ||
| return o_term; | ||
| } | ||
| if (scalarIdx == kFieldIndex + 1){ | ||
| auto o_term = o_implicitBuo.slice(1 * nrs->fieldOffset, nrs->fieldOffset); | ||
| platform->linAlg->axpby(mesh->Nlocal, 1.0, o_implicitKtau, 1.0, o_term); | ||
| return o_term; | ||
| } | ||
| return o_NULL; | ||
| } | ||
|
|
||
| } //namespace | ||
|
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| void RANSbuo::buildKernel(occa::properties _kernelInfo) | ||
| { | ||
| RANSktau::buildKernel(_kernelInfo); | ||
|
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| occa::properties kernelInfo; | ||
|
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| if (!kernelInfo.get<std::string>("defines/p_iPrt").size()) | ||
| kernelInfo["defines/p_iPrt"] = coeff[0]; | ||
| if (!kernelInfo.get<std::string>("defines/p_Cs").size()) | ||
| kernelInfo["defines/p_Cs"] = coeff[1]; | ||
|
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| const int verbose = platform->options.compareArgs("VERBOSE", "TRUE") ? 1 : 0; | ||
|
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| if(platform->comm.mpiRank == 0 && verbose) { | ||
| std::cout << "\nRANSktau Buoyancy settings\n"; | ||
| std::cout << kernelInfo << std::endl; | ||
| } | ||
|
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| kernelInfo += _kernelInfo + RANSktau::RANSInfo(); | ||
|
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| auto buildKernel = [&kernelInfo](const std::string &kernelName) { | ||
| const auto path = getenv("NEKRS_KERNEL_DIR") + std::string("/nrs/plugins/"); | ||
| const auto fileName = path + "RANSktauBuo.okl"; | ||
| const auto reqName = "RANSBuo::"; | ||
| if (platform->options.compareArgs("REGISTER ONLY", "TRUE")) { | ||
| platform->kernelRequests.add(reqName, fileName, kernelInfo); | ||
| return occa::kernel(); | ||
| } | ||
| else{ | ||
| buildKernelCalled = 1; | ||
| return platform->kernelRequests.load(reqName, kernelName); | ||
| } | ||
| }; | ||
|
|
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| diffKernel = buildKernel("ktauBuoDiff"); | ||
| computeKernel = buildKernel("ktauBuoCompute"); | ||
| forceKernel = buildKernel("ktauBuoForce"); | ||
| } | ||
|
|
||
| void RANSbuo::updateForce(occa::memory o_FU) | ||
| { | ||
| mesh_t *mesh = nrs->meshV; | ||
| cds_t *cds = nrs->cds; | ||
|
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| forceKernel(mesh->Nlocal, | ||
| nrs->fieldOffset, | ||
| Ri, | ||
| o_gvec, | ||
| o_T, | ||
| o_FU); | ||
| } | ||
|
|
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| void RANSbuo::updateProperties() | ||
| { | ||
| nekrsCheck(!setupCalled || !buildKernelCalled, | ||
| MPI_COMM_SELF, | ||
| EXIT_FAILURE, | ||
| "%s\n", | ||
| "called prior to RANSBuo::setup()!"); | ||
|
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| mesh_t *mesh = nrs->meshV; | ||
| cds_t *cds = nrs->cds; | ||
|
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| auto o_temp_mue = cds->o_diff; | ||
|
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| //SGDH | ||
| auto o_mut = RANSktau::o_mue_t(); | ||
| diffKernel(mesh->Nlocal, conductivity, o_mut, o_temp_mue); | ||
| } | ||
|
|
||
| void RANSbuo::updateSourceTerms() | ||
| { | ||
| nekrsCheck(!setupCalled || !buildKernelCalled, | ||
| MPI_COMM_SELF, | ||
| EXIT_FAILURE, | ||
| "%s\n", | ||
| "called prior to RANSBuo::setup()!"); | ||
|
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| mesh_t *mesh = nrs->meshV; | ||
| cds_t *cds = nrs->cds; | ||
|
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| occa::memory o_FS = cds->o_NLT + cds->fieldOffsetScan[kFieldIndex]; | ||
| occa::memory o_Tgrad = platform->o_memPool.reserve<dfloat>(nrs->fieldOffset); | ||
|
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| nrs->gradientVolumeKernel(mesh->Nelements, | ||
| mesh->o_vgeo, | ||
| mesh->o_D, | ||
| nrs->fieldOffset, | ||
| o_T, | ||
| o_Tgrad); | ||
|
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| oogs::startFinish(o_Tgrad, | ||
| nrs->NVfields, | ||
| nrs->fieldOffset, | ||
| ogsDfloat, | ||
| ogsAdd, | ||
| nrs->gsh); | ||
|
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| platform->linAlg->axmyVector(mesh->Nlocal, | ||
| nrs->fieldOffset, | ||
| 0, | ||
| 1.0, | ||
| mesh->o_invLMM, | ||
| o_Tgrad); | ||
|
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|
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| computeKernel(mesh->Nelements, | ||
| nrs->fieldOffset, | ||
| rho, | ||
| Ri, | ||
| o_gvec, | ||
| o_k, | ||
| o_tau, | ||
| o_Tgrad, | ||
| o_implicitBuo, | ||
| o_FS); | ||
| } | ||
|
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| void RANSbuo::setup(dfloat mueIn, dfloat rhoIn, int ifld, dfloat RiIn, dfloat *gIn) | ||
| { | ||
| nekrsCheck(!RANSktau::setup(), | ||
| MPI_COMM_SELF, | ||
| EXIT_FAILURE, | ||
| "%s\n", | ||
| "called prior to RANSktau::setup()!"); | ||
|
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| if(setupCalled) | ||
| return; | ||
|
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| nrs = dynamic_cast<nrs_t *>(platform->solver); | ||
| mueLam = mueIn; | ||
| rho = rhoIn; | ||
| kFieldIndex = ifld; | ||
| Ri = RiIn; | ||
| o_gvec = platform->device.malloc<dfloat>(3, gIn); | ||
|
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| cds_t *cds = nrs->cds; | ||
| mesh_t *mesh = nrs->meshV; | ||
|
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| o_T = cds->o_S + cds->fieldOffsetScan[0]; | ||
| o_k = cds->o_S + cds->fieldOffsetScan[kFieldIndex]; | ||
| o_tau = cds->o_S + cds->fieldOffsetScan[kFieldIndex + 1]; | ||
|
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| o_implicitBuo = platform->device.malloc<dfloat>(2 * nrs->fieldOffset); | ||
| cds->userImplicitLinearTerm = implicitBuo; | ||
|
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| platform->options.getArgs("SCALAR00 DIFFUSIVITY",conductivity); | ||
|
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| setupCalled = 1; | ||
| } |
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