A Continuous–Discontinuous Approach to Simulate Heat Transfer in Fractured Media |
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Authors: | P Moonen J Carmeliet |
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Institution: | (1) Department of Engineering Mechanics, Beijing University of Technology, Beijing, China |
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Abstract: | A macroscopic framework to model heat transfer in materials and composites, subjected to physical degradation, is proposed.
The framework employs the partition of unity concept and captures the change from conduction-dominated transfer in the initial
continuum state to convection and radiation-dominated transfer in the damaged state. The underlying model can be directly
linked to a mechanical cohesive zone model, governing the initiation and subsequent growth and coalescence of micro-cracks.
The methodology proved to be applicable for quasi-static, periodic, and transient problems. |
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Keywords: | |
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