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충격내압을 받는 복합적층 중공구의 수치해
Numerical Solutions for Thick-Welled Laminated Composite Spheres under Impact Pressure

오근   (금오공과대학교 대학원UU0000297  ); 심우진   (금오공과대학교 기계공학부UU0000297  );
  • 초록

    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.


  • 주제어

    이방성 .   동탄성 .   유한요소 .   적층구 .   구면파.  

  • 참고문헌 (22)

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    17. Kim, S.J., Goo, N.S., Yu, J.Y. and Kim, T.W., 1995, 'Impact Response and Damage Analysis of Cylindrical Composite Panels,' J. KSCM (in Korean), Vol. 8, No.1, pp. 34-42 
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