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水射流对煤体冲击的有限元与光滑粒子耦合法数值模拟

DOI: 10.11858/gywlxb.2014.03.016, PP. 365-372

Keywords: 水射流,数值模拟,光滑粒子法,有限元法

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Abstract:

采用光滑粒子与有限元耦合算法对高压水射流冲击煤体进行了数值模拟,建立了长为5mm、半径为2mm的圆柱形水体以不同速度冲击煤体的计算模型。根据计算结果,分析了煤体在高压水射流冲击下的损伤模式、煤体中的应力波传播形式、煤体在高压水射流作用下的临界破煤压力。

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