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Damage and Wave Propagation in Brittle Materials
This chapter focuses essentially on coupled phenomena between damage evolution, characterized by the growth of micro‐cracks, and wave propagation. It also focuses on the one‐dimensional and two‐dimensional anti‐plane wave propagation. The chapter illustrates the numerical scheme with some numerical results related to blast wave propagation. It presents a short overview of damage models. The chapter describes the micro‐scale quasi‐static evolution. It explores how the damage affects the one‐dimensional wave propagation of a stress pulse. It considers two configurations without friction: horizontally and vertically oriented micro‐cracks. To investigate this coupling, a new discontinuous Galerkin scheme associated with the wave propagation is used in a material described by a damage constitutive law, which covers a wide spectrum of the micro‐mechanics‐based damage models. It is possible to distinguish two classes of micro‐mechanical approaches: direct approach and homogenization‐based approach for heterogeneous materials.
Damage and Wave Propagation in Brittle Materials
This chapter focuses essentially on coupled phenomena between damage evolution, characterized by the growth of micro‐cracks, and wave propagation. It also focuses on the one‐dimensional and two‐dimensional anti‐plane wave propagation. The chapter illustrates the numerical scheme with some numerical results related to blast wave propagation. It presents a short overview of damage models. The chapter describes the micro‐scale quasi‐static evolution. It explores how the damage affects the one‐dimensional wave propagation of a stress pulse. It considers two configurations without friction: horizontally and vertically oriented micro‐cracks. To investigate this coupling, a new discontinuous Galerkin scheme associated with the wave propagation is used in a material described by a damage constitutive law, which covers a wide spectrum of the micro‐mechanics‐based damage models. It is possible to distinguish two classes of micro‐mechanical approaches: direct approach and homogenization‐based approach for heterogeneous materials.
Damage and Wave Propagation in Brittle Materials
Lambert, David Edward (editor) / Pasiliao, Crystal L. (editor) / Erzar, Benjamin (editor) / Revil‐Baudard, Benoit (editor) / Cazacu, Oana (editor)
Dynamic Damage and Fragmentation ; 263-296
2018-12-31
34 pages
Article/Chapter (Book)
Electronic Resource
English
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