局所細分割メッシュ法による通風時の室内気流分布に関する数値シミュレーション

概要

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Two types of numerical simulation on partially fine grid system were applied to the air flow of cross-ventilation in this paper. One is the Local Fine Area(LFA) method which is a simplified Adaptive Grid method proposed here. It is a main part of the aim of this paper to examine the reliability of this method. The other is the Multi-Mesh method which is an active process to make finer grid partially. These calculation methods were carried out on three building models and the results were compared with the wind tunnel tests. The distributions of air flow vector and speed by both the methods correspond to the visualized streak lines and air flow speed by the model tests. However, the ventilation rate by the LFA shows a different tendency from the Multi-Mesh method.
1994-02-28