An enhanced CHIEF method for steady-state elastodynamics

L. Lee, T. W. Wu

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


In this paper, an enhanced combined Helmholtz integral equation formulation (CHIEF) method is applied to the boundary integral formulation in steady-state elastodynamics to overcome the well-known nonuniqueness difficulty. This enhanced CHIEF method uses a linear combination of the displacement boundary integral equation and the traction boundary integral equation on the surface of a small interior volume as a constraint. A so-called Green's function interpolation technique is also used in the formulation to speed up the process of matrix formation, especially in a multi-frequency run. Several numerical examples are given to demonstrate this method.

Original languageEnglish
Pages (from-to)75-83
Number of pages9
JournalEngineering Analysis with Boundary Elements
Issue number2
StatePublished - 1993


  • Boundary Element Method
  • elastodynamics
  • nonuniqueness

ASJC Scopus subject areas

  • Analysis
  • General Engineering
  • Computational Mathematics
  • Applied Mathematics


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