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Updated: Jun 28, 2026
11:28
A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
Published on: May 18, 2015
Phenomenological approach to mechanical damage growth analysis
Nicola Pugno1, Federico Bosia, Antonio S Gliozzi
1Department of Structural Engineering and Geotechnics, Politecnico di Torino, Corso Duca degli Abruzzi 24, 10129 Torino, Italy.
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|November 13, 2008
Summary
This study introduces a new method to track material damage evolution using energetic principles. The findings reveal that damage indicators fit a universal growth model, confirmed by simulations.
Area of Science:
- Materials Science
- Physics
- Applied Mathematics
Background:
- Characterizing generic material damage evolution is complex.
- Existing growth models lack a unified framework for material damage.
Purpose of the Study:
- To derive a system evolution equation for a generic damage indicator under increasing stress.
- To connect material damage evolution to established growth models in other research fields.
Main Methods:
- Derivation of an evolution equation based on energetic considerations.
- Application of the phenomenological universality (PUN) approach, specifically the U2 class.
- Numerical simulations using a fiber-bundle model with statistically assigned microscale strengths.
Main Results:
- A generic damage indicator's evolution equation was derived.
- The derived equation fits the phenomenological universality (PUN) U2 class.
- Numerical simulations strongly supported the classification of damage evolution within the PUN U2 class.
Conclusions:
- Material damage evolution can be universally characterized.
- The derived framework offers a novel approach to understanding and modeling material degradation.
- Potential applications in predicting material failure and designing more resilient materials.
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