高压水射流破岩动态过程的数值研究  

Application of genetic algorithm to slope seismic stability

作　　者：张文华[1] 汪志明[1] 于军泉[1] 

机构地区：[1]石油大学石油天然气工程学院,北京102249

出　　处：《岩土力学》2003年第S2期91-94,共4页Rock and Soil Mechanics

摘　　要：采用动力接触法建立了高压水射流破碎岩石过程的计算模型。应用动力瞬态非线性有限元法,对射流冲击岩石时射流冲击动载的变化、岩石破碎区域的扩展过程进行了数值研究。并对非线性动力冲击有限元数值求解的几种方法做了讨论。A computational model of rock fragmentation by high pressure jet was established with dynamic contact method. Based on dynamic transient non-linear finite element method, the change of jet impact dynamic load and development of rock crash by high pressure jet was numerically studied.

关 键 词：高压水射流 岩石破碎 有限元法 冲击 

分 类 号：TU452[建筑科学—岩土工程]