FlowVision takes the advantage of its unique SGGR (Sub Grid Geometry Resolution) technology. SGGR makes it possible to use the real CAD surfaces instead of a topologically approximated features, thus increasing accuracy.
Initial grid and computational grid are two different but complementary concepts in FlowVision, inital grid divides the whole region into Cartesian sections of different sizes wheras computational grid i evolved from inital grid by fitting external and internal boundaries.
Aforementioned grid density profiling via Initial Grid Editor and extensive fitting and adapting capabilities as a part of computational grid generation poses no simplifications or defeaturing the imported CAD boundaries, thanks to the SGGR Technology of FlowVision. Moreover, all the sub-steps are uniquely different from traditional CFD meshing since the user is only required to enter sizes of initial grid elements and mark adaptation regions without considering CAD fitting, multi-region interfacing or similar aspects.
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