Abstract
A boundary element formulation, which does not require domain discretization and allows a single region analysis, is presented for steady-state thermoelastic crack problems. The problems are solved by the dual boundary element method which uses displacement and temperature equations on one crack surface and traction and flux equations on the other crack surface. The domain integrals are transformed to boundary integrals using the Galerkin technique. Stress intensity factors are calculated using the path independent Ĵ-integral. Several numerical problems are solved and the results are compared, where possible, with existing solutions.
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Prasad, N.N.V., Aliabadi, M.H. & Rooke, D.P. The dual boundary element method for thermoelastic crack problems. Int J Fract 66, 255–272 (1994). https://doi.org/10.1007/BF00042588
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DOI: https://doi.org/10.1007/BF00042588