題目:On the solutions to the Saint-Venant problem of heterogeneous beam-like structures with periodic microstructures
報告人:徐亮 博士(航空學院航空航天交叉研究院)
時間:2019年6月19日(周三)上午10:30
地點:明故宮校區A18-209會議室
主辦單位:科協、航空學院、航空航天交叉研究院
報告內容簡介:
This paper presents displacement solutions of the Saint-Venant problem for heterogeneous beam structures with arbitrarily shaped periodic microstructures. The governing equations of the unknown functions, defined on a base cell, are then developed from equilibrium equations and boundary conditions of the periodic beam structure. Moreover, an improved FE formulation of the governing equations is presented and its efficient numerical implementation approach, which can be readily realized using FE software as a black box, is proposed. To illustrate the validity of the Saint-Venant solution and the effectiveness of the numerical implementation approach, several numerical examples are presented and compared with detailed three-dimensional FE analysis for the heterogeneous beam structures in terms of stress components.
報告人簡介:
徐亮,講師,2018年在大連理工大學工程力學系獲得博士學位,同年12月入職交叉院,主要從事周期結構的分析和結構優化工作。