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May 9, 2008, 04:30
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TVD limiters at boundaries
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#1 |
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Guest
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For a TVD limiter shown below
Q_j + 0.5 = minmod(alpha_j-0.5, alpha_j+0.5, alpha_j+1.5) what happens if j+0.5 is at a boundary (i.e. wall, symmetry)? how should the limiter be modified for such situations? Shuo |
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May 16, 2008, 14:53
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Re: TVD limiters at boundaries
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#2 |
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Guest
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Basically, you can use ghost cells, or not use any limitation process at boundaries.
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