Hi there,
I have been using the VTK XML unstructured grid format (pvtu and vtu) for my
fluid dynamics simulations. It worked fairly well with paraview but I think it
stores a lot of redundant information and I am wondering if there is a way to
simplify it.
1. My grid is fixed once created. I am dumping velocity and pressure field at
many steps but in each vtu file, I have to have the same grid information such
as vertex positions, cell connectivity, offset and cell type. What I would
love to have is to dump the grid at the beginning of the simulation and then
only dump the field of velocity and pressure at later time steps. To make it
work, we need a way to include the grid information stored in another file,
just like the #include statement in C++ or \input in Latex.
2. All my cells are of the same type (10-vertex Tetrahedron in my case). So the
"types" are the same constant 10 and "offsets" are constant increments. What is
now in my file are long lists of these boring numbering for each cell, which I
would love to have a way to get rid of.
I would appreciate any help.
Thanks.
Shi
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