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Forum: Main CFD Forum

July 1, 2009, 04:33

Replies: 8

about conection difference scheme

Views: 1,756

Posted By sbaffini

Following Hirsch, consider a simple 1D linear...

Following Hirsch, consider a simple 1D linear advection equation:

\frac{\partial \phi}{\partial t} +
\frac{\partial}{\partial x}\left( \phi u \right) = 0

with u > 0 .

Then apply, say,...

Forum: Main CFD Forum

June 30, 2009, 04:02

Replies: 8

about conection difference scheme

Views: 1,756

Posted By sbaffini

As i said, this is not a "limiting" issue but...

As i said, this is not a "limiting" issue but comes from the way the equation is integrated in time. The "method of lines" just means that you integrate space and time derivative separately so that...

Forum: Main CFD Forum

June 29, 2009, 18:57

Replies: 8

about conection difference scheme

Views: 1,756

Posted By sbaffini

If you write, say, the lax wendroff scheme (even...

If you write, say, the lax wendroff scheme (even the non limited one) you will easily see that at the steady state, which is when u_i(n+1) = u_i(n), you will have a solution that is cfl dependent....

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