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Phase-field models for anisotropic and fatigue crack growth Mesgarnejad, Ata
Description
Phase-field models have shown great promise and flexibility for quantitative analysis of fracture. In this talk, I show our recent results where we extended these models to fracture of anisotropic materials and fatigue crack growth. By combining experiments using a biomimetic composite and phase-field modeling, in the first part of the talk, I show how one needs to take account of the process-zone size (and T-stress) to interpret the different kinking behavior in different sample geometries. In the second part of the talk, I show how the celebrated Paris power law emerges from a simple model based on the degradation of materials at the crack tip.
Item Metadata
Title |
Phase-field models for anisotropic and fatigue crack growth
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Creator | |
Publisher |
Banff International Research Station for Mathematical Innovation and Discovery
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Date Issued |
2019-03-05T17:08
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Description |
Phase-field models have shown great promise and flexibility for quantitative analysis of fracture. In this talk, I show our recent results where we extended these models to fracture of anisotropic materials and fatigue crack growth. By combining experiments using a biomimetic composite and phase-field modeling, in the first part of the talk, I show how one needs to take account of the process-zone size (and T-stress) to interpret the different kinking behavior in different sample geometries. In the second part of the talk, I show how the celebrated Paris power law emerges from a simple model based on the degradation of materials at the crack tip.
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Extent |
38.0 minutes
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Subject | |
Type | |
File Format |
video/mp4
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Language |
eng
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Notes |
Author affiliation: Northeastern University
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Series | |
Date Available |
2019-09-02
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Provider |
Vancouver : University of British Columbia Library
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Rights |
Attribution-NonCommercial-NoDerivatives 4.0 International
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DOI |
10.14288/1.0380761
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URI | |
Affiliation | |
Peer Review Status |
Unreviewed
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Scholarly Level |
Postdoctoral
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Rights URI | |
Aggregated Source Repository |
DSpace
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Item Media
Item Citations and Data
Rights
Attribution-NonCommercial-NoDerivatives 4.0 International