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Old   September 9, 2007, 01:57
Default flux limiters
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The TVD limiter definition psi(r+) given in Hirsch is

r+ = (u_i+2 - u_i)/(u_i+1 - u_i).

what if the denominator is zero as in the initial condition of flow througha shock tube?

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Old   September 9, 2007, 07:34
Default Re: flux limiters
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just set r+=0.0 at the initial state.
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