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<p>The reliability and structural integrity of the components get reduced when cracks grow during their service. This becomes even more critical when casting defects, such as macropores, are present in the component. This work investigates the crack trajectory in the presence of selected hole configurations by integrating phase field modelling with photoelasticity, serving as a precursor for modelling macroporosity. By lowering the computational burden&#xa0;typically associated with&#xa0;phase field modelling, photoelasticity has helped to arrive at a simple and consistent PFM approach capturing complex crack trajectories, validated experimentally for a wide configuration of holes with repeatability. Numerically simulated isochromatics are used to corroborate the findings from the phase field simulations and experiments.</p>

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Crack propagation in the presence of multiple holes: phase field modelling supported by photoelasticity

  • 期刊论文

  • 发表日期：

    2025年10月27日

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  • C. Anand,
  • K. Ramesh,
  • Sundararajan Natarajan

摘要

The reliability and structural integrity of the components get reduced when cracks grow during their service. This becomes even more critical when casting defects, such as macropores, are present in the component. This work investigates the crack trajectory in the presence of selected hole configurations by integrating phase field modelling with photoelasticity, serving as a precursor for modelling macroporosity. By lowering the computational burden typically associated with phase field modelling, photoelasticity has helped to arrive at a simple and consistent PFM approach capturing complex crack trajectories, validated experimentally for a wide configuration of holes with repeatability. Numerically simulated isochromatics are used to corroborate the findings from the phase field simulations and experiments.