Increment-Dimensional Scaled Boundary Finite Element Method for Solving Transient Heat Conduction Problem

被引：2
|
作者：
Li Fengzhi [1 ]
Li Tiantian [1 ,2 ]
Kong Wei [1 ,3 ]
Cai Junfeng [1 ,2 ]
机构：
[1] College of Aerospace Engineering,Nanjing University of Aeronautics and Astronautics
[2] College of Aeronautic Science and Engineering,Beihang University
[3] The 610 Research Institute of Chinese Aeronautical Establishment
来源：
Transactions of Nanjing University of Aeronautics and Astronautics | 2018年 / 35卷 / 06期
关键词：
heat conduction; scaled boundary finite element method (SBFEM); temperature field; accuracy;
D O I：
10.16356/j.1005-1120.2018.06.1073
中图分类号：
V219 [相关学科的应用];
学科分类号：
08 ; 0825 ;
摘要：
An increment-dimensional scaled boundary finite element method (ID-SBFEM) is developed to solve the transient temperature field.To improve the accuracy of SBFEM,the effect of high frequency factor on dynamic stiffness is considered,and the first-order continued fraction technique is used.After the derivation,the SBFE equations are obtained,and the dimensions of thermal conduction,the thermal capacity matrix and the vector of the right side term in the equations are doubled.An example is presented to illustrate the feasibility and good accuracy of the proposed method.
引用
收藏
页码：1073 / 1079
页数：7
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