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Mechanical Response of Composites

  • Conference proceedings
  • © 2008

Overview

  • The use of advanced computational methods for the simulation of a broad range of physical processes in different types of advanced composite materials (unidirectional, woven and non-crimp fabrics, nanocomposites)
  • The physical processes addressed include the manufacturing processes, the elastic and inelastic material response at several scales, and the structural collapse

Part of the book series: Computational Methods in Applied Sciences (COMPUTMETHODS, volume 10)

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Table of contents (15 papers)

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About this book

Themethodologyfordesigninghigh-performancecompositestructuresisstill evo- ing. The complexity of the response of composite materials and the dif?culties in predicting the composite material properties from the basic properties of the c- stituents result in the need for a well-planned and exhaustive test program. The recommended practice to mitigate the technological risks associated with advanced composite materials is to substantiate the performance and durability of the design in a sequence of steps known as the Building Block Approach. The Building Block Approach ensures that cost and performance objectives are met by testing greater numbers of smaller, less expensive specimens. In this way, technology risks are assessed early in the program. In addition, the knowledge acquired at a given level of structural complexity is built up before progressing to a level of increased complexity. Achieving substantiation of structural performance by testing alone can be p- hibitively expensive because of the number of specimens and components required to characterize all material systems, loading scenarios and boundary conditions. Building Block Approachprogramscan achieve signi?cant cost reductionsby se- ing a synergy between testing and analysis. The more the development relies on analysis, the less expensive it becomes. The use of advanced computational models for the prediction of the mechanical response of composite structures can replace some of the mechanical tests and can signi?cantly reduce the cost of designing with composites while providing to the engineers the information necessary to achieve an optimized design.

Authors and Affiliations

  • DEMEGI, Faculdade de Engenharia, Universidade do Porto, Porto, Portugal

    Pedro P. Camanho

  • Durability, Damage Tolerance and Reliability Branch, MS 188E NASA Langley Research Center, Hampton, USA

    Carlos G. Dávila

  • Department of Aeronautics, Imperial College London, London, UK

    Silvestre T. Pinho

  • Department of Mechanical Engineering, Eindhoven University of Technology, MB Eindhoven, The Netherlands

    Joris J. C. Remmers

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