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논문 기본 정보

자료유형
학술저널
저자정보
Liu, Z.S. (Computational Solid Mechanics, Institute of High Performance Computing) Swaddiwudhipong, S. (Department of Civil Engineering, National University of Singapore) Lu, C. (Computational Solid Mechanics, Institute of High Performance Computing) Hua, J. (Department of Civil Engineering, National University of Singapore)
저널정보
테크노프레스 Structural engineering and mechanics : An international journal Structural engineering and mechanics : An international journal 제20권 제4호
발행연도
2005.1
수록면
451 - 463 (13page)

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Structural members commonly employed in marine and off-shore structures are usually fabricated from plates and shells. Collision of this class of structures is usually modeled as plate and shell structures subjected to dynamic impact loading. The understanding of the dynamic response and energy transmission of the structures subjected to low velocity impact is useful for the efficient design of this type of structures. The transmissions of transient energy flow and dynamic transient response of these structures under low velocity impact are presented in the paper. The structural intensity approach is adopted to study the elastic transient dynamic characteristics of the plate structures under low velocity impact. The nine-node degenerated shell elements are adopted to model both the target and impactor in the dynamic impact response analysis. The structural intensity streamline representation is introduced to interpret energy flow paths for transient dynamic response of the structures. Numerical results, including contact force and transient energy flow vectors as well as structural intensity stream lines, demonstrate the efficiency of the present approach and attenuating impact effects on this type of structures.

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