Structured grids are ordered-type by indices such (i,j,k) so that any value for these integers correspond to a spatial location and its topology is easily associated to next indices. Thus, you should rather focus on the grid generation issue.
It works by doing a flux reconstruction on each face of the finite volume, whatever its shape is. Unstructured Mesh ResearchGate QuestionĪ general Finite-volume-based code does not make differences between structured and unstructured grids. This entire process of breaking up a physical domain into smaller sub-domains (elements/ cells) is called as mesh generation. All the flow variables & any other variables are solved at centres of these discrete cells. Mesh or grid is defined as a discrete cell or elements into which the domain/ model is divided.
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