形状表示誤差の低減による境界要素解析の高精度化

概要

論文の詳細を見る
A practical approach to the accuracy improvement of three-dimensional BEM (boundary element method) analysis is presented. With a specified degree of an element, an adjustment of interpolation function is carried out for every element on a curved surface boundary. The main idea of the adjustment is to change the relative positions of interpolation nodes to fit the boundary better. By obtaining a high accuracy of shape approximation, the quality of BEM analysis can be improved. This method is tested by the experiments using a few typical curved surfaces. The results of the experiments presented here show that the reduction of shape error can lead to an obvious accuracy improvement of BEM analysis, especially when the discretization mesh is coarse. This method is useful to improve the quality of the p-adaptive method.
社団法人日本機械学会の論文
1998-05-25