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作者:

Liu YingHua (Liu YingHua.) | Peng YiJiang (Peng YiJiang.) (学者:彭一江)

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EI Scopus SCIE

摘要:

Using the concept of base forces as state variables, a new finite element method - the base force element method (BFEM) on complementary energy principle for linear elasticity problems is presented. Firstly, an explicit expression of compliance matrix for an element is derived through base forces by dyadic vectors. Then, the explicit control equations of finite element method of complementary energy principle are derived using Lagrange multiplier method. Thereafter, the base forces element procedure for linear elasticity is developed. Finally, several examples are analyzed to illustrate the reliability and accuracy of the formulation and the procedure.

关键词:

base force element method base forces complementary energy principle compliance matrix elasticity problem finite element method Lagrange multiplier method

作者机构:

  • [ 1 ] [Liu YingHua]Tsinghua Univ, Dept Engn Mech, Appl Mech Lab, Beijing 100084, Peoples R China
  • [ 2 ] [Peng YiJiang]Beijing Univ Technol, Dept Civil Engn, Key Lab Urban Secur & Disaster Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Liu YingHua]Tsinghua Univ, Dept Engn Mech, Appl Mech Lab, Beijing 100084, Peoples R China

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来源 :

SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY

ISSN: 1674-7348

年份: 2011

期: 11

卷: 54

页码: 2025-2032

6 . 4 0 0

JCR@2022

ESI学科: PHYSICS;

ESI高被引阀值:182

JCR分区:3

中科院分区:4

被引次数:

WoS核心集被引频次: 9

SCOPUS被引频次: 11

ESI高被引论文在榜: 0 展开所有

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中文被引频次:

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