NEW CONCEPTION OF THE FEM BASE FUNCTIONS APPLIED TO SOLVING AN INVERSE HEAT TRANSFER PROBLEM

被引：1

作者：

Frackowiak, Andrzej ^{[1
]}

Von Wolfersdorf, Jens ^{[2
]}

Cialkowski, Michal ^{[1
]}

机构：

[1] Poznan Tech Univ, PL-60965 Poznan, Poland

[2] Univ Stuttgart, Inst Thermodynam Luft & Raumfahrt, D-70569 Stuttgart, Germany

来源：

JOURNAL OF MECHANICS OF MATERIALS AND STRUCTURES | 2008年 / 3卷 / 06期

关键词：

inverse problem; finite element method;

D O I：

10.2140/jomms.2008.3.1047

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The present work shows the modified concept of the finite element method which has been applied to the solution of the inverse problem (of Cauchy type) for heat conduction equation in a circular ring. The main idea of the new concept consists of the application a new type of base function which cause the vanishing of some integrals in the strong formulation. The calculation with the new base functions takes place in the physical space, and there is no need to go to the isoparametric one. Numerical calculations of the inverse problem confirm the good properties of a new set of base functions.

引用

页码：1047 / 1057

页数：11

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