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Reduced Order Modeling for Direct Time-Response Analysis Using the Enhanced Craig–Bampton Method

Author

Listed:
  • Seung-Hwan Boo

    (Division of Naval Architecture and Ocean System Engineering, Korea Maritime and Ocean University, Busan 49112, Republic of Korea)

  • Cheolgyu Hyun

    (Department of Mechanical Engineering, Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea)

  • San Kim

    (Department of Mechanical Convergence Engineering, Gyeongsang National University, Changwon-si 51391, Republic of Korea)

  • Chaemin Lee

    (Department of Safety Engineering, Chungbuk National University, Cheongju-si 28644, Republic of Korea)

Abstract

The increasing demand for dynamic analysis of large-scale structural systems has highlighted the need for efficient model reduction methods. Reduced order modeling allows large finite element models to be represented with significantly fewer degrees of freedom while retaining essential dynamic characteristics. This paper investigates the Enhanced Craig–Bampton (ECB) method and further explores its application in dynamic analysis. The effectiveness of the ECB method is evaluated by comparing it with the conventional Craig–Bampton (CB) method and the full finite element model using benchmark examples. The numerical results demonstrate that the ECB method provides superior accuracy and computational efficiency, making it a valuable tool for dynamic analysis in complex engineering problems.

Suggested Citation

  • Seung-Hwan Boo & Cheolgyu Hyun & San Kim & Chaemin Lee, 2025. "Reduced Order Modeling for Direct Time-Response Analysis Using the Enhanced Craig–Bampton Method," Mathematics, MDPI, vol. 13(2), pages 1-19, January.
    • Handle: RePEc:gam:jmathe:v:13:y:2025:i:2:p:194-:d:1562876
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