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Author :
Release : 2002
Genre :
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials by :
Download or read book Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials written by . This book was released on 2002. Available in PDF, EPUB and Kindle. Book excerpt:
Author : National Aeronautics and Space Administration (NASA)
Release : 2018-06-03
Genre :
Kind : eBook
Book Rating : 831/5 ( reviews)
Book Synopsis Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials by : National Aeronautics and Space Administration (NASA)
Download or read book Mixed-Mode Decohesion Finite Elements for the Simulation of Delamination in Composite Materials written by National Aeronautics and Space Administration (NASA). This book was released on 2018-06-03. Available in PDF, EPUB and Kindle. Book excerpt: A new decohesion element with mixed-mode capability is proposed and demonstrated. The element is used at the interface between solid finite elements to model the initiation and non-self-similar growth of delaminations. A single relative displacement-based damage parameter is applied in a softening law to track the damage state of the interface and to prevent the restoration of the cohesive state during unloading. The softening law for mixed-mode delamination propagation can be applied to any mode interaction criterion such as the two-parameter power law or the three-parameter Benzeggagh-Kenane criterion. To demonstrate the accuracy of the predictions and the irreversibility capability of the constitutive law, steady-state delamination growth is simulated for quasistatic loading-unloading cycles of various single mode and mixed-mode delamination test specimens.Camanho, Pedro P. and Davila, Carlos G.Langley Research CenterDAMAGE; DELAMINATING; FRACTURE MECHANICS; COMPOSITE MATERIALS; MATHEMATICAL MODELS; FINITE ELEMENT METHOD; KINEMATICS; EPOXY COMPOUNDS
Author : P. P. Camanho
Release : 2001
Genre : Composite materials
Kind : eBook
Book Rating : /5 ( reviews)
Book Synopsis Numerical Simulation of Delamination Growth in Composite Materials by : P. P. Camanho
Download or read book Numerical Simulation of Delamination Growth in Composite Materials written by P. P. Camanho. This book was released on 2001. Available in PDF, EPUB and Kindle. Book excerpt: The use of decohesion elements for the simulation of delamination in composite materials is reviewed. The test methods available to measure the interfacial fracture toughness used in the formulation of decohesion elements are described initially. After a brief presentation of the virtual crack technique most widely used to simulate delamination growth, the formulation of interfacial decohesion elements is described. Problems related with decohesion element constitutive equations, mixed-mode crack growth, element numerical integration and solution procedures are discussed. Based on these investigations, it is concluded that the use of interfacial decohesion elements is a promising technique that avoids the need for a pre-existing crack and pre-interfacial decohesion elements is a promising technique that avoids the need for a pre-existing crack and predefined crack paths, and that these elements can be used to simulate both delamination onset and growth.
Author : Ever J. Barbero
Release : 2013-04-18
Genre : Mathematics
Kind : eBook
Book Rating : 631/5 ( reviews)
Book Synopsis Finite Element Analysis of Composite Materials using AbaqusTM by : Ever J. Barbero
Download or read book Finite Element Analysis of Composite Materials using AbaqusTM written by Ever J. Barbero. This book was released on 2013-04-18. Available in PDF, EPUB and Kindle. Book excerpt: Developed from the author's graduate-level course on advanced mechanics of composite materials, Finite Element Analysis of Composite Materials with Abaqus shows how powerful finite element tools address practical problems in the structural analysis of composites. Unlike other texts, this one takes the theory to a hands-on level by actually solving
Author : Ever J. Barbero
Release : 2013-12-11
Genre : Mathematics
Kind : eBook
Book Rating : 909/5 ( reviews)
Book Synopsis Finite Element Analysis of Composite Materials Using ANSYS by : Ever J. Barbero
Download or read book Finite Element Analysis of Composite Materials Using ANSYS written by Ever J. Barbero. This book was released on 2013-12-11. Available in PDF, EPUB and Kindle. Book excerpt: Designing structures using composite materials poses unique challenges, especially due to the need for concurrent design of both material and structure. Students are faced with two options: textbooks that teach the theory of advanced mechanics of composites, but lack computational examples of advanced analysis, and books on finite element analysis
