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Dynamics of asymmetrical crack propagation in composite materials
Authors:N.C. Lü  , Y.H. Cheng, H.L. Si,J. Cheng
Affiliation:aSchool of Material Science and Engineering, Shenyang Ligong University, Shenyang 110168, PR China;bDepartment of Civil Engineering, Northeastern University, Shenyang 110006, PR China;cDepartment of Astronautics and Mechanics, Harbin Institute of Technology, Harbin 150001, PR China
Abstract:
When a crack appears in composite materials, the fibrous system will form bridges, and the crack propagates asymmetrically as a rule. A dynamic model of an asymmetrical crack propagation is considered and investigated by applying the self-similar functions. The formulation involves the development of a Riemann–Hilbert problem. The analytical solution of an asymmetrical propagation crack of composite materials under the action of variable moving loads and unit-step moving loads is obtained.
Keywords:Composite materials   Crack   Dynamic model   Analytical solution
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