Applied Mathematics and Mechanics

, Volume 20, Issue 10, pp 1128–1133 | Cite as

Boundary integral equations of unique solutions in elasticity

  • Zhou Shenjie
  • Cao Zhiyuan
  • Sun Shuxun


The properties of the fundamental solution are derived in linear elastostatics. These properties are used to show that the conventional displacement and traction boundary integral equations yield non-unique displacement solutions in a traction boundary value, problem. The condition for the existence of unique displacement solutions is proposed for the traction boundary value problem. The degrees of freedom of the displacement solution are removed by the condition to obtain the boundary integral equations of unique solutions for the traction boundary value problems. Numerical example is presented to demonstrate the accuracy and efficiency of the present equations.

Key words

boundary integral equation boundary element method elasticity 

CLC number



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Copyright information

© Editorial Committee of Applied Mathematics and Mechanics 1999

Authors and Affiliations

  • Zhou Shenjie
    • 1
  • Cao Zhiyuan
    • 2
  • Sun Shuxun
    • 3
  1. 1.Department of Chemical EngineeringShandong University of TechnologyJinanP R China
  2. 2.Department of Engineering MechanicsTongji UniversityShanghaiP R China
  3. 3.Institute of Engineering MechanicsShandong University of TechnologyJinan.P R China

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