The performance and emission testson two turbocharged diesel engines and a passenger car fu2eled with different f uel mixtu res of diesel and biodiesel are conducted.-The performance and emission testson two turbocharged diesel engines and a passenge

虚裂纹闭合技术模拟裂纹的启裂扩展，使用UEL子程序在abaqus里实现。-Virtual crack closure technique simulation of crack propagation, UEL run embedded inside abaqus

平面三节点线性梁单元UEL子程序，学习子程序编写的好例子。-Three-node planar linear beam element subroutine UEL, learning good example subroutine written.