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equations in electrostaticFoam

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January 18, 2019, 00:54	equations in electrostaticFoam	#1
ywem Member Wenming Yang Join Date: Jun 2018 Posts: 42 Rep Power: 7	Dear all, I am trying to understand the electrostaticFoam solver in OpenFOAM. It should solve the Possion equation for electric potential and the continuity equation of electric current for charge density. But in these equations, fvm::ddt(rho) + fvm::div(rhoFlux, rho) and rhoFlux = -kmesh.magSf()fvc::snGrad(phi) the term div(rhoFlux, rho) seems not the current density (while in continuity equation of electric current it should be). What the mean of k? It should not be electrical conductivity from dimension analysis.

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