s***t 发帖数: 195 | 1 solving a parabolic partial differential equation.
which is worse: having too fine timestep or too fine grnd? |
r****y 发帖数: 1437 | 2
By CFL condition, too fine grids must mean that you have to use
very fine time step.
【在 s***t 的大作中提到】 : solving a parabolic partial differential equation. : which is worse: having too fine timestep or too fine grnd?
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s***t 发帖数: 195 | 3
i knew this. but i don't know too much about finite difference. so pardon
my ignorance. this is kind of an interview question.
then what's special about "parabolic" and "explicit"?
【在 r****y 的大作中提到】 : : By CFL condition, too fine grids must mean that you have to use : very fine time step.
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