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April 8, 2026International Journal of Damage Mechanics

Dynamic damage model of rock-like materials based on peridynamic and fracture study of cross-fissured rocks under impact loading

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Authors

HYHaiyue YuBeijing Institute of TechnologyJWJunxiang WangShenyang University of TechnologyGSGang SunShenyang University of Technology

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Implication

Dynamic modeling reveals how cross-fissure characteristics affect rock behavior under impact loading.

Key Points

  • The aim is to understand how the intersection angle and depth of cross-fissures affect rock behavior during impact loading.
  • Developed a damage model within the bond-based peridynamics framework.
  • Conducted 3D benchmark examples to analyze various bond force attenuation functions.
  • Systematically studied the impact of cross-fissure angle and depth on material response.
  • Increased cross-fissure depth reduces peak stress and energy efficiency.
  • At constant depth, peak stress first increases then decreases with rising intersection angle.
  • Crack propagation is symmetric, forming a funnel-shaped 3D crack with lower damage at the center.

Cite This Study

Yu et al. (2026) studied this question.

synapsesocial.com/papers/69d5f07d74eaea4b11a79d8fhttps://doi.org/10.1177/10567895261435783
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  1. 1Evolution of Pore Structure and Fractal Characteristics in Red Sandstone under Cyclic Impact Loading2024 · 9 citations