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Solving just simple algebraic equation implicitly

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Old   August 9, 2019, 03:13
Default Solving just simple algebraic equation implicitly
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Lee Jung Hoo
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Hi foamers, I'm trying to edit the source code of interFoam to implement sediment load.

And to do this, I need to estimate the value of 'x' in below equation :

x/abs(x) + [abs(u-x)]*(u-x) == a

'u' is known vectorfield

and 'x' is unknown vectorfield that I want to find at every cells.

'a' is just a constant.

but I don't have any idea to deal with such an implicit solution on the source code in OpenFOAM.

I'll appreciate any comments about this.

Thanks in advance

Last edited by Jung hoo; August 10, 2019 at 07:31.
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