【摘要】 文章以空间桁架单元、空间刚架单元、三角形膜单元为研究对象,设置线性位移模式、建立形函数,给出适于有限元方法需要的一致质量矩阵应用公式,这种公式对于弹性结构有限元分析具有理论价值,同时,对于预应力锚固体系及煤炭资源开采具有应用价值。更多还原

【Abstract】 Based on the space truss unit,frame element,triangular membrane element as the research object,setting the linear displacement mode,establish the shape function,gives the suitable for finite element method requires consistent mass matrix formula,the formula for the elastic structure finite element analysis has theoretical value,at the same time,for the prestressed anchor system and the exploitation of the coal resources with application value.更多还原