|August 9, 2012, 17:00||
Problem about fvm::grad
Join Date: Jan 2012
Location: Madison, Wisconsin, USA
Posts: 54Rep Power: 5
As you know, in OF, the gradient operator only has fvc type. But if we want to write a coupled algorithm, we have the make a fvm::grad function.
I have write fvmGrad.C file define the fvm::grad function. Since the gradient of a scalar field is a vector field. So the gradient matrix should actually be three different scalar matrix, returns each component separately by multiple p scalar field.
Now I have met two problems, first is about the initialization of the faceInterpolationScheme. Can some body give a example how to initial a faceInterpolationScheme?? I need this is because I need the weight to interpolation cell value to get face value.
The second problem is that when I initial the matrix coefficient like this
Has anybody tried to do this before??
thank you in advance
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