Enriched finite element methods for fracture-based analysis and design

Zhang, J.

doi:10.4233/e26d63d4-7cf7-4951-bf55-fcc9c86b0f5d

Enriched finite element methods for fracture-based analysis and design

Doctoral thesis (2021)

Authors

J. Zhang Computational Design and Mechanics

Research Group

Computational Design and Mechanics

DOI: https://doi.org/10.4233/uuid:e26d63d4-7cf7-4951-bf55-fcc9c86b0f5d

Enriched finite element methods Topology optimization Linear elastic fracture mechanics Geometric engine Stress recovery Level sets Topological derivatives

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Published Date

2021

Language

English

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Research Group

Computational Design and Mechanics

Abstract

Cracks, which could nucleate and propagate in engineering structures, could have an adverse effect on mechanical performance and even lead to catastrophic failure. Thus, it is critical to investigate structural behavior under fracture, which requires an appropriate modeling methodology for fracture analysis. Furthermore, designing structures that are resilient to fracture is highly desired, where it is necessary to find a computational design technique for improving the structural fracture resistance. This thesis focuses on realizing these two goals....

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