SWE by RBF

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 April 21, 2004, 11:18 SWE by RBF #1 özkan eren Guest   Posts: n/a Hi guys, I am new on this topic and have problems on setting the B.C. on the SWE ( shallow water eq ).When I run my code it goes well but after some step my water heights goes higher and higher ( it behaves still like a cosine function but with a high amplitude ).Thanks

 April 22, 2004, 07:02 Re: SWE by RBF #2 Mihail Galabov Guest   Posts: n/a Maybe you've forgotton to divide by 2 some central difference or a middle value .

 April 23, 2004, 11:27 Re: SWE by RBF #3 ao Guest   Posts: n/a It's better to let readers know what kind numerical scheme you use for solving SWE? And what do you mean 'higher and higher of h'? After a long long time, h will be still increasing to an unreasonalbe value?

 April 23, 2004, 16:44 Re: SWE by RBF #4 ozkan eren Guest   Posts: n/a collacation methods with r^3 rbf ( radial basis function ) .My problem is my h value is incresaing instead of having a nice sinusoidal shape( h value at the beginning )

 December 2, 2011, 22:01 how to use RBFInterpolation #5 New Member   Zhang Haijun Join Date: Nov 2011 Posts: 4 Rep Power: 6 Hi Now I am using OF-ext-1.6 do some work, I want to use RBFInterpolation. But I don't know how to used the RBF, and there are no such example about RBF. I will be appreciated if someone can give me a example about RBF.

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