A NEW INFLUENCE COEFFICIENT TECHNIQUE OF FINITE ELEMENT MODEL FOR SIMULATING WATER FLOW IN VARIABLY SATURATED POROUS MEDIA-中国期刊网

摘要 AGalerkinfiniteelementformulationisdevelopedforthenumericalsimulationofwaterflowinvariablysat-uratedporousmedia,Picardalgorithmisusedtodealwithseverelynonlinearfieldproblems.Thealgorithmisfor-mulatedforarbitraryquadrilateralelementswhichcanaccommodatecomplexgeometry.Anew"influencecoeffi-cient"techniqueisdevelopedwhichcanbeusedtocomputeelementmatricesinasimpleandefficientmanner.Thistechniqueavoidsnumericalintegrationandleadstoasubstantialsavingofcost.Twoexamplesarepresentedtoverifytheproposedmethod.

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A NEW INFLUENCE COEFFICIENT TECHNIQUE OF FINITE ELEMENT MODEL FOR SIMULATING WATER FLOW IN VARIABLY SATURATED POROUS MEDIA

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A NEW INFLUENCE COEFFICIENT TECHNIQUE OF FINITE ELEMENT MODEL FOR SIMULATING WATER FLOW IN VARIABLY SATURATED POROUS MEDIA

来源期刊

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