Progressive Damage Simulation of a Composite Double Cantilever Beam using Virtual Crack Closure Technique And Cohesive Zone Modeling

Authors

  • Puneeth H V  Assistant Professor, Department of Mechanical Engineering, New Horizon College of Engineering, Bangalore, India
  • Raghunandan K V  Student, Department of Mechanical Engineering, New Horizon College of Engineering, Bangalore, India
  • M S Ganesha Prasad  Dean, Professor and HOD-ME, New Horizon College of Engineering Bengaluru, India

Keywords:

Delamination, Virtual Crack closure Technique (VCCT), Cohesive Zone Method (CZM), stiffness, Double Cantilever Beam (DCB)

Abstract

Delamination in laminated composite structures usually initiate from discontinuities such as matrix cracks and free edges or from embedded defects due to the manufacturing processes. Therefore, it is important to analyze the progressive growth of delamination in order to predict the performance of a composite structure and to develop reliable and safe designs. Virtual Crack closure Technique (VCCT) is a fracture mechanics approach which is widely used to compute energy release rates. Cohesive Zone Method (CZM) is a progressive event governed by progressive stiffness reduction of the interface between two separating faces which uses bilinear material behavior for interface delamination and these two methods are used to analyze the delamination of multidirectional composite Double Cantilever Beam (DCB) specimen in a Commercial Finite element Package called ABAQUS. The proposed methods are validated with the benchmark results and load-displacement curves are plotted using both the methods. The strain energy release rates are found out using VCCT and a parametric study is performed by varying the crack lengths.

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IInternational Journal of Scientific Research in Computer Science, Engineering and Information Technology

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Published

2019-12-30

Issue

Volume 4, Issue 9, November-December-2019

Section

Research Articles

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How to Cite

[1]
Puneeth H V, Raghunandan K V, M S Ganesha Prasad, " Progressive Damage Simulation of a Composite Double Cantilever Beam using Virtual Crack Closure Technique And Cohesive Zone Modeling" International Journal of Scientific Research in Computer Science, Engineering and Information Technology(IJSRCSEIT), ISSN : 2456-3307, Volume 4, Issue 9, pp.929-937, November-December-2019.