Parallel Computation of Incompressible Flow Using Building-Cube Method

The past CFD progress has been highly supported by the improvement of computer performance. Moor’s Law tells us that the degree of integration of computer chips has been doubled in 18 months. It means that the computer performance increases by a factor of 100 every 10 years. The latest Top500 Supercomputers Site [1] on the other hand, tells us that the performance improved to 1,000 times in the last 10 years. Increase in the number of CPUs in a system also contributes to this rapid progress. With the progress of the computer performance, a pre-processing becomes more important in a series of numerical analysis. For instance, structured mesh or unstructured mesh generation demands human skill for complex geometries in particular. Quick and easy grid generation is one of the tasks for next generation CFD. In solving complex flow-field, a higher-order scheme is significant as same as the mesh resolution. The algorithm has to be simple, and that leads to high scalability. It becomes considerable to maintain and update the software, too. Thus, there are many requests for next generation numerical method.

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