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August 3, 2017, 20:12
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2nd order zeroGradient BC
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#1 |
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Senior Member
Join Date: Jun 2016
Posts: 102
Rep Power: 10  |
Hello all,
BC.png In my sketch, A is the value of the boundary face center, B is the value of the boundary cell center and C is the value of the center of the opposite face. As far as I know, zeroGradient BC is 1st order, A=B. My Question is how to apply a 2nd-order zeroGradient BC, which means 3A=4B-C (Or something else if not uniform) ? Thanks. |
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| Tags |
| boundary condition, second order, zerogradient |
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