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Geomechanics and Engineering
  Volume 9, Number 2, August 2015 , pages 207-218

Study on the response of circular thin plate under low velocity impact
Hashem Babaei, Tohid Mirzababaie Mostofi and Majid Alitavoli

    In this paper, forming of fully clamped circular plate by using low velocity impact system has been investigated. This system consists of liquid shock tube and gravity drop hammer. A series of test on mild steel and aluminum alloy plates has been done. The effect of varying both impact load and the plate material on the deflection are described. This paper also presents a simple model to prediction of mid-point deflection of circular plate by using input-output experimental data. In this way, singular value decomposition (SVD) method is used in conjunction with dimensionless number incorporated in such complex process. The results of obtained model have very good agreement with experimental data and it provides a way of studying and understanding the plastic deformation of impact loads.
Key Words
    circular plate; deformation; impact; low velocity
Department of Mechanical Engineering, Faculty of Engineering, University of Guilan, Rasht PO BOX 3756-41635, Iran.

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