本文整理汇总了C++中FluidState::assign方法的典型用法代码示例。如果您正苦于以下问题：C++ FluidState::assign方法的具体用法？C++ FluidState::assign怎么用？C++ FluidState::assign使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类FluidState的用法示例。
在下文中一共展示了FluidState::assign方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: computeSumxg
Scalar computeSumxg(FluidState& resultFluidState,
const FluidState& prestineFluidState,
const FluidState& gasFluidState,
Scalar additionalGas)
{
static const int oilPhaseIdx = FluidSystem::oilPhaseIdx;
static const int gasPhaseIdx = FluidSystem::gasPhaseIdx;
static const int numComponents = FluidSystem::numComponents;
typedef Dune::FieldVector<Scalar, numComponents> ComponentVector;
typedef Opm::NcpFlash<Scalar, FluidSystem> Flash;
resultFluidState.assign(prestineFluidState);
// add a bit of additional gas components
ComponentVector totalMolarities;
for (unsigned compIdx = 0; compIdx < FluidSystem::numComponents; ++ compIdx)
totalMolarities =
prestineFluidState.molarity(oilPhaseIdx, compIdx)
+ additionalGas*gasFluidState.moleFraction(gasPhaseIdx, compIdx);
// "flash" the modified fluid state
typename FluidSystem::ParameterCache paramCache;
Flash::solve(resultFluidState, totalMolarities);
Scalar sumxg = 0;
for (unsigned compIdx = 0; compIdx < FluidSystem::numComponents; ++compIdx)
sumxg += resultFluidState.moleFraction(gasPhaseIdx, compIdx);
return sumxg;
}示例2: makeOilSaturated
void makeOilSaturated(FluidState& fluidState, const FluidState& gasFluidState)
{
static const int gasPhaseIdx = FluidSystem::gasPhaseIdx;
FluidState prestineFluidState;
prestineFluidState.assign(fluidState);
Scalar sumxg = 0;
for (unsigned compIdx = 0; compIdx < FluidSystem::numComponents; ++compIdx)
sumxg += fluidState.moleFraction(gasPhaseIdx, compIdx);
// Newton method
Scalar tol = 1e-8;
Scalar additionalGas = 0; // [mol]
for (int i = 0; std::abs(sumxg - 1) > tol; ++i) {
if (i > 50)
throw std::runtime_error("Newton method did not converge after 50 iterations");
Scalar eps = std::max(1e-8, additionalGas*1e-8);
Scalar f = 1 - computeSumxg<Scalar, FluidSystem>(prestineFluidState,
fluidState,
gasFluidState,
additionalGas);
Scalar fStar = 1 - computeSumxg<Scalar, FluidSystem>(prestineFluidState,
fluidState,
gasFluidState,
additionalGas + eps);
Scalar fPrime = (fStar - f)/eps;
additionalGas -= f/fPrime;
};
}