Transactions of the Korean Society of Mechanical Engineers A (대한기계학회논문집A)

The Korean Society of Mechanical Engineers (대한기계학회)
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Numerical Solutions for Thick-Welled Laminated Composite Spheres under Impact Pressure

충격내압을 받는 복합적층 중공구의 수치해

  • 오근 (금오공과대학교 대학원) ;
  • 심우진 (금오공과대학교 기계공학부)
  • Published : 2005.02.01
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Abstract

In this paper, the thick-walled laminated, orthotropic as well as bimaterial, composite hollow spheres under impact pressure are analyzed in detail by using the semi-discrete finite element method with the Houbolt time-integration scheme which results in unconditionally stable transient numerical results. Numerical results are obtained by using the self-constructed spherically symmetric (one-dimensional) and axially symmetric (two-dimensional) finite element programs, and compared with the previous solutions by other researchers, being shown some of which are incorrect. The finite element package Nastran is also adopted for numerical comparison.

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References

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