Grid Generation has several important characteristics:
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Adaptive Block Structured for CFD and NR
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Adaptive Unstructured for CFD
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Should be consistent with multigrid and domain decomposition solution methods
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Should be integrated with High Level Language or Domain Specific Interface
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Should be linkable between different sets of equations
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For instance mesh used to simulate structure of airframe must be consistent with volume mesh needed for CFD study of airflow around aircraft
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Must be able to generate and adapt "in place" and "in parallel" on parallel machine
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