Optimum Design of Laminated Composite Structures

  • Raphael T. Haftka
  • Zafer Gürdal
  • Manohar P. Kamat
Part of the Solid Mechanics and Its Applications book series (SMIA, volume 1)


Because of their superior mechanical properties, laminated composite materials are finding a wide range of applications in structural design, especially for lightweight structures that have stringent stiffness and strength requirements. Designing with laminated composites, on the other hand, has become a challenge for the designer because of a wide range of parameters that can be varied, and because of the complex behavior of these structures that mandates sophisticated analysis techniques. Finding an efficient composite structural design that meets the requirements of a certain application can be achieved not only by sizing the cross-sectional areas and member thicknesses, but also by global or local tailoring of the material properties through selective use of orientation, number, and stacking sequence of laminae that make up the composite laminate. The increased number of design variables is both a blessing and a nightmare for the designer, in that he has more control to fine-tune his structure to meet the requirements of a design situation, but only if he can figure out how to select all those design variables. The possibility of achieving a design that meets multiple requirements efficiently, coupled with the difficulty in selecting the values of a large set of design variables makes structural optimization an obvious tool for the design of laminated composite structures.


Design Variable Stiffened Panel Structural Efficiency Laminate Composite Structure Lamination Parameter 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer Science+Business Media Dordrecht 1990

Authors and Affiliations

  • Raphael T. Haftka
    • 1
  • Zafer Gürdal
    • 2
  • Manohar P. Kamat
    • 3
  1. 1.Department of Aerospace and Ocean EngineeringVirginia Polytechnic Institute and State UniversityBlacksburgUSA
  2. 2.Department of Engineering Science and MechanicsVirginia Polytechnic Institute and State UniversityBlacksburgUSA
  3. 3.School of Aerospace EngineeringGeorgia Institute of TechnologyAtlantaUSA

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