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Author:

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

Indexed by:

EI Scopus SCIE

Abstract:

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.

Keyword:

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

Author Community:

  • [ 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

Reprint Author's Address:

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

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Source :

SCIENCE CHINA-PHYSICS MECHANICS & ASTRONOMY

ISSN: 1674-7348

Year: 2011

Issue: 11

Volume: 54

Page: 2025-2032

6 . 4 0 0

JCR@2022

ESI Discipline: PHYSICS;

JCR Journal Grade:3

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 9

SCOPUS Cited Count: 11

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 13

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