A FUNDAMENTAL STUDY ON 3D AIR-POCKET DETECTION WITH MPS FLUID SIMULATION FOR SAFETY CHECK OF UNDERGROUND SHELTERS

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  • 地下型避難所空間の水害時安全性検証を目的とした3次元MPS流体計算における空気溜り判定手法に関する基礎的研究

Abstract

<p>Considering to simulate an air-water interacting phenomena of large scale model, high computational load becomes serious problem. In this report, a method to consider influence to water by pressure of closed air (air-pocket) is proposed. The domain of air-pocket is detected by free surface particle of MPS fluid calculation and its pressure is calculated by its volume change. The method is validated by simple air-pocket model and applied for an under ground large scale tsunami shelter.</p>

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