Abstract

In this article, a highly efficient quasi-three-dimensional theory has been used to study the nonlinear hygro-thermo-mechanical bending analysis of a very thick functionally graded material (FGM) rotating disk in hygro-thermal environment considering the porosity as a structural defect. Two applied quasi-three-dimensional displacement fields are assumed in which the strain along the thickness (${\epsilon }_z$) is not zero unlike most of the other plate theories. By considering the nonlinear strains (von Kármán’s assumptions) the large deformations have also been taken into account in order to obtain more accurate results. Finally, some factors that affect the results have been studied further.

摘要

本文采用高效准三维理论研究了考虑孔隙度作为结构的湿热环境中非常厚的功能梯度材料（FGM）旋转盘的非线性湿热机械弯曲分析。缺点。假设两个施加的准三维位移场，其中沿厚度的应变（${\epsilon }_z$) 与大多数其他板块理论不同，它不为零。通过考虑非线性应变（von Kármán 的假设），还考虑了大变形以获得更准确的结果。最后，对一些影响结果的因素进行了进一步研究。