Evaluation of Drop Impact Load for Thin Cone-Shaped Structures |
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| Journal | Key Engineering Materials (Volumes 353 - 358) |
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| Volume | Progresses in Fracture and Strength of Materials and Structures |
| Edited by | Yu Zhou, Shan-Tung Tu and Xishan Xie |
| Pages | 2648-2651 |
| DOI | 10.4028/www.scientific.net/KEM.353-358.2648 |
| Citation | Takahiro Omori et al., 2007, Key Engineering Materials, 353-358, 2648 |
| Online since | September, 2007 |
| Authors | Takahiro Omori, Hirotsugu Inoue, Noriyasu Kawamura, Minoru Mukai, Kikuo Kishimoto, Takashi Kawakami |
| Keywords | Contact Stiffness, Impact Load, Thin Shell Structure, Transient Response |
| Abstract | A method to predict impact load caused by drop impact of thin cone-shaped structures is investigated. The Hertzian contact theory and the spherical shell theory are applied for modeling the contact stiffness of the impact tip of the cone. Experiments and finite element simulations are performed for several cones to evaluate the accuracy of impact load prediction. It is shown that appropriate choice of contact stiffness model depending on the curvature and thickness of impact tip of the cone is necessary in order to predict the impact load accurately. |
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