DPMFoam计算管道内液固流动压降异常
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在使用DPMFoam计算管道内颗粒流动时,固体相分数在5%左右,等流动稳定后(有流体从出口流出)后,管道两端压降变化始终不能保持稳定,各位老师看看哪里有问题
injectionModels//注射模型设置 { model1 { type patchInjection; parcelBasisType fixed; nParticle 1; patchName INLET; parcelsPerSecond 100000; U0 (0.55 0 0); flowRateProfile constant 1; sizeDistribution { type fixedValue; fixedValueDistribution { value 0.0005; } } flowRateProfile constant 1; massTotal 0; SOI 0; duration 2; } }
dimensions [ 0 2 -2 0 0 0 0 ];//压力场初始值 internalField uniform 0; boundaryField { INLET { type fixedFluxPressure; value uniform 0; } OUTLET { type fixedValue; value uniform 0; } WALL { type fixedFluxPressure; value uniform 0; } }