Add code to build the data for 2D unstructured mesh object #33
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… object This is the first step: Create a simple test function for the object creation.
yungyuc
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Note that the cell type ID is augmented by 1 (the valid type ID started from 0 in SOLVCON, but now it starts from 1 in modmesh). Use of 1-based index leaves 0 to be the invalid sentinel for the type ID in modmesh. Use the trivial triangle unit tests for build_faces_from_cells().
Ref issue solvcon#34.
This was referenced Dec 31, 2021
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Ref issue solvcon#35.
Also include porting count_ghost() and fill_ghost(). Ref issue solvcon#36. Copy code from SOLVCON: https://github.com/solvcon/solvcon/blob/8dd74fa848b8d14d7796138ce199d0ae2e70235f/libmarch/include/march/mesh/UnstructuredBlock/class.hpp#L312.
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Progress:
build_faces_from_cells()from SOLVCON. Copy the code from https://github.com/solvcon/solvcon/blob/8dd74fa848b8d14d7796138ce199d0ae2e70235f/libmarch/include/march/mesh/UnstructuredBlock/build_faces_from_cells.hpp. Only tested with a trivial 2D mesh.calc_metric()from SOLVCON. Copy the code from https://github.com/solvcon/solvcon/blob/8dd74fa848b8d14d7796138ce199d0ae2e70235f/libmarch/include/march/mesh/UnstructuredBlock/calc_metric.hpp. Only tested with a trivial 2D mesh.build_boundary()from SOLVCON. Copy the code from https://github.com/solvcon/solvcon/blob/8dd74fa848b8d14d7796138ce199d0ae2e70235f/libmarch/include/march/mesh/UnstructuredBlock/class.hpp#L388. Only tested with a trivial 2D mesh.build_ghost()from SOLVCON. Copy the code from https://github.com/solvcon/solvcon/blob/8dd74fa848b8d14d7796138ce199d0ae2e70235f/libmarch/include/march/mesh/UnstructuredBlock/class.hpp#L312. Only tested with a trivial 2D mesh.