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February 27, 2007, 04:36 |
linearization
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#1 |
Guest
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Hello, could anyone give me some tips on the following issue: linearization for the implicit time discretization of the following equation:
d(r)/dt + div(grad(phi)) = 0 with r = r0 * ( 1 - (grad(phi))^2/(2*H0) )^(1/(gamma - 1)) t is time and r0 and H0 are reference (fixed) values. The non-linearity comes in with the dependence of r to phi, which is the independent variable. Thanks a lot for your help. |
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February 27, 2007, 04:51 |
Debugged equation
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#2 |
Guest
Posts: n/a
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Sorry there was an error, the actual equation is:
d(r)/dt + div( r * grad(phi) ) = 0 with r = r0 * ( 1 - (grad(phi))^2/(2*H0) )^(1/(gamma - 1)) |
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