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saghir

November 27, 2006 05:17

user defined scalar

hi all, I defined a UDS (user defined scalar). what is definition for this "specified flux". Does it means the gradient of this UDS like d(UDS)/dx or something else? Thanks.

succinct

December 4, 2006 05:25

Re: user defined scalar

At a boundary for a UDS you can either specify a value for the scalar or its flux (analogy to temperature value or heat flux) So specified flux implies diffusivity x normal gradient

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