利用ANSYS对螺栓蠕变时效过程进行了仿真模拟。(The creep aging process of bolt is simulated by ANSYS.)

编写了蠕变子程序，建立了蠕变本构方程，直接与ABAQUS接口连接运行。(The creep subroutine is compiled, and the creep constitutive equation is established, which is directly connected with the ABAQUS interface.)