Structural Engineering and Mechanics

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Mass perturbation influence method for dynamic analysis of offshore structures

  • Published : 2002.04.25
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Abstract

The current work presents an analysis algorithm for the modal analysis for the dynamic behaviors of offshore structures with concepts of mass perturbation influence term. The mass perturbation concept by using the term, presented in this paper offers an efficient solution procedure for dynamical response problems of offshore structures. The basis of the proposed method is the mass perturbation influence concepts associated with natural frequencies and mode shapes and mass properties of the given structure. The mathematical formulation of the mass perturbation influence method is described. New solution procedures for dynamics analysis are developed, followed by illustrative example problems, which deal with the effectiveness of the new solution procedures for the dynamic analysis of offshore structures. The solution procedures presented herein is compact and computationally simple.

Keywords

References

  1. API RP 2A. (1993), Planning, Designing and Constructing Fixed Offshore Platform. API.
  2. Bernitsas, M.M. et al., (1999), "Structural redesign for forced response with proportional damping by largeadmissible perturbations", AIAA Journal, 37(11).
  3. Kang, B. and Bernitsas, M. (1994), "Stress redesign by large admissible perturbations", BOSS '94 Conference,Cambridge, 3.
  4. Cho, K.N. (1989), "Nonlinear perturbation method for dynamic structural redesign", J. KSNAME. 26(1).
  5. Temarel, P., et al, (2000), "Dynamic response", Proc. of the 14th International Ship and Offshore StructuresCongress, 1, Elsevier.
  6. Kim, J.H. (1988), "Integrated static/dynamic redesign of marine structures", Ph. D. Thesis, University ofMichigan.
  7. Payer, H.G. et al., "Dynamic load effects", Proc. of the 12th International Ship and Offshore Structures Congress,1.
  8. Yun, C.B. et al. (1985), Development of Design Technology of Offshore Platforms for Offshore Oil Production,KAIST.

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