Modeling contact problems with subsurface and surface-breaking cracks

doi:10.1016/j.engfracmech.2026.111954

Modeling contact problems with subsurface and surface-breaking cracks

2026-02-17

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DOI：10.1016/j.engfracmech.2026.111954

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Abstract

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• A semi-analytical model is developed for cracked structures under contact loading. • Partially open behavior of crack mouth at the surface of a half-plane is studied. • Crack face penetration and negative KI are avoided by ignoring climb dislocation. • The model achieves better convergence and efficiency than the finite element model.

Keywords:

crack modeling

contact loading

semi-analytical model

crack face penetration

finite element method

Modeling contact problems with subsurface and surface-breaking cracks

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