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March 26, 2026Keisan Rikigaku Koenkai koen ronbunshu/Keisan Rikigaku Kouenkai kouen rombunshuuOpen Access

Numerical simulation of multi-material joints using damage model

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Authors

HSHirofumi SugiyamaUniversity of YamanashiSOShigenobu OkazawaUniversity of Yamanashi

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Implication

Numerical simulation predicts structural strength in multi-material joints, highlighting damage effects on performance.

Key Points

  • To predict the strength and identify crack propagation behavior in multi-material joints using a damage model.
  • Developed a damage model using continuum damage mechanics.
  • Employed the finite cover method for simulation.
  • Defined a damage threshold based on a scalar damage variable and stress level.
  • Analyzed multiple numerical examples to validate the methodology.
  • Identified crack initiation and propagation direction in the bonding region.
  • Observed a significant reduction in force due to crack growth.
  • Established the relationship between damage variable and material parameters from experimental data.

Cite This Study

Sugiyama et al. (2025) studied this question.

synapsesocial.com/papers/69c4cc69fdc3bde448917a9chttps://doi.org/10.1299/jsmecmd.2025.38.os23-4
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