Flow path shape optimizing method and flow path shape optimizing apparatus

摘要

PROBLEM TO BE SOLVED: To shorten time required for optimization of a flow channel shape by fluid analysis.SOLUTION: A flow field calculation step of determining a flow field by fluid analysis, a sensitivity calculation step of changing a shape of the flow field determined by the flow field calculation step and of calculating sensitivity by the change, and a shape update step of updating the shape of the flow field on the basis of sensitivity are provided. When the flow field is in an unsteady state, the flow field calculation step, the sensitivity calculation step and the shape update step are repeated, and a convergence calculation is performed until the shape of the flow field is no longer updated.