Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
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Optimal Lamination Design of Composite Cylinders using an Empirical Ultimate Pressure Load Formula

최종강도 경험식을 이용한 복합재 원통구조의 최적적층 설계

  • Cho, Yoon Sik (Agency for Defense Development) ;
  • Paik, Jeom Kee (Department of Naval Architecture and Ocean Engineering, Pusan National University)
  • Received : 2018.10.01
  • Accepted : 2019.01.31
  • Published : 2019.08.20
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Abstract

In this paper, a methodology is presented for determining the optimal lamination of composite cylindrical structures subject to hydrostatic pressure. The strength criterion in association with the process of optimal design is the buckling collapse of composite cylinders under hydrostatic pressure loads. An empirical formula expressed in the form of the Merchant-Rankine equation is used to calculate the ultimate strength of filament-wound composite cylinders where genetic algorithm is applied for determining the optimized stacking sequences. It is shown that the optimized lamination provides improved collapse pressure loads. It is concluded that the developed method would be useful for the optimal lamination design of composite cylindrical structures.

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References

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