Saint-Venant torsion of a two-phase circumferentially symmetric compound bar

Tungyang Chen, Yi Li Huang

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


This work is concerned with the Saint-Venant torsion problem of a two-phase circumferentially symmetric compound prismatic bar. By generalizing a method originally proposed by Packham and Shail, we demonstrate that for a particular two-phase configuration, simply or multiply connected, which is invariant with phase interchange, the solutions can be constructed from solutions of two analogous problems with constant material properties. An effective shear modulus is derived in analytic form, which is approximately the harmonic mean of the component shear moduli. We also show that the effective torsional shear modulus is homogeneous for arbitrary configurations.

Original languageEnglish
Pages (from-to)109-124
Number of pages16
JournalJournal of Elasticity
Issue number2
Publication statusPublished - 1998

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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