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April 26, 2026Mechanics of Solids0 citations

Theoretical Models Describing the Failure Behavior of Brittle Materials Based on Compression: A Review

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MMM. A. MinghuiNanjing University of Science and TechnologyYYY. U. YileiNanjing University of Science and TechnologyGGG. A. O. GuangfaNanjing University of Science and Technology

Key Points

  • This review aims to systematically evaluate theoretical models that explain the compressive failure behavior of brittle materials.
  • Reviewed classical models focused on energy conversion and crack propagation phenomena.
  • Analyzed models like DP, JH-2, and DFH for their applications in simulating compressive fractures.
  • Explored concepts including elastic modulus degradation and pressure sensitivity within these models.
  • Classical models highlight the importance of energy balance in fracture events, emphasizing kinetic and fracture energy.
  • Models such as DP and JH-2 incorporate pressure dependence and stress-strain relationships effectively.
  • The DFH model's use of Weibull statistics provides insight into the probabilistic nature of fracture states.

Abstract

Over the past few decades, dynamic fracture theory, rooted in energy balance and crack propagation, has laid a fundamental groundwork for analyzing fracture phenomena in various ballistic applications. This paper systematically reviews several classical models that characterize the compressive failure behavior of brittle materials. Models based on energy conversion principles posit that the total energy of a fracturing body splits into the kinetic energy of expanding fragments and the fracture energy—the latter theoretically derived from changes in the system’s free energy during fracture. In contrast, models centered on crack propagation explore key phenomena such as elastic modulus degradation, dilatancy, pressure sensitivity, and strain-rate dependent yielding. Additionally, a range of models have been effectively developed for numerical simulations. Among these, the DP and JH-2 models describe the constitutive and failure behavior of brittle solids by incorporating pressure dependence and stress-strain relationships, while the DFH model employs a probabilistic framework based on Weibull statistics to represent the fracture states of brittle materials. Through a detailed analysis of these classical frameworks, this review provides critical insights that support the advancement and refined modeling of compressive fracture in brittle solids.

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Cite This Study

Minghui et al. (2025) studied this question.

synapsesocial.com/papers/69edad6b4a46254e215b4ffahttps://doi.org/10.1134/s0025654425606317
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