Numerical simulation on stress singularity at the end of soft cushion;
软垫层末端应力奇异性数值模拟
On the basis of analyzing and inspecting mechanics property of compressiblesupport,this paper points out the performance characteristics of metal compressible sup-port,it also introduces the support principle of soft rock roadway in which soft cushion andmetal compressible support are jointly used.
在对封闭形全圆可缩性支架进行力学分析和实验室力学性能检验的基础上，论述了金属可缩性支架的工作特性和缺陷，进而介绍了软垫层与金属可缩性支架联合支护软岩巷道的原理和在沈阳三台煤矿工程应用中的技术经济效果，为软岩巷道提供了一套较为实用的支护办法。
The optimizing analyses of cushion layer are carried out by two FEM models of spiral case structure in hydropower station with different HD values.
应用有限元模型分别对高低两种HD值下的水电站蜗壳结构进行分析,研究了软垫层材料的弹性模量、厚度以及铺设范围对蜗壳结构强度和变形的影响。
In this paper,In case of the Three Gorges Project,the finite element model of the penstock downstream of dam with cushion course is built by using the software of ANSYS;the stress state of penstock is calculated and analyzed.
以三峡水电站坝后背管为例,借助有限元软件ANSYS建立了设置软垫层坝后背管有限元模型,计算分析了设置软垫层坝后背管结构应力状态,并与结构模型试验对比。