Abstract:Aiming at the fracture problem of functionally graded materials under thermal shock,the relevant physical functionally graded materials are weighted, model-building with crack in functionally graded thick-walled cylinder; given the heat balance equation and boundary conditions for the establishment of the finite element analysis of issues related to the format; improved Calahan algorithm inhomogeneous to solve first order ordinary differential equations applicable to banded sparse matrix solving the temperature field and stress field; and then a certain program is written to calculate the temperature field and the stress intensity factor of crack tip; analysis of functionally graded material components constituting the impact of temperature stress intensity factor. These studies for the establishment of structural optimization with the crack in functionally graded thick-walled cylinder. Reliability analysis and specimens provide assistance.
收稿日期: 2016-02-19
出版日期: 2017-07-28
引用本文:
彭亦鹏1,陈爱军1. 热冲击下带裂纹功能梯度厚壁圆筒的分析[J]. 振动与冲击, 2017, 36(15): 64-70.
PENG YiPeng1 CHEN AiJun1. NUMERICAL SIMULATION OF FUNCTIONALLY GRADED THICK-WALLED CYLINDER WITH CRACK UNDERTHERMAL SHOCK. JOURNAL OF VIBRATION AND SHOCK, 2017, 36(15): 64-70.
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