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Experimental and Numerical Studies on Nonlinear Impact Response of Deck Structures Subjected to Dropped Objects

[+] Author Affiliations
Bo Gyeong Jung, Sung Woo Jo, Sung Hwan Noh, Jeom Kee Paik, Jung Kwan Seo

Pusan National University, Busan, Korea

Young Hun Kim

Kyungnam University, Changwon, Korea

Paper No. OMAE2016-54691, pp. V003T02A009; 7 pages
doi:10.1115/OMAE2016-54691
From:
  • ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 3: Structures, Safety and Reliability
  • Busan, South Korea, June 19–24, 2016
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4994-1
  • Copyright © 2016 by ASME

abstract

Ships and offshore structures are exposed to various types of extreme and accidental events including fire, explosion, collision, dropped objects, etc. These events lead to nonlinear structural consequences. This paper focused on grated-steel deck structures subjected to dropped-objects. The aim of this paper is to confirm the nonlinear impact response of grated-steel deck structures. An experimental study was undertaken in a dropped object test facility and LS-DYNA nonlinear finite element computations were also performed for the corresponding test models. It is noted that nonlinear finite element analyses are useful in the analysis of the nonlinear impact structural responses as long as the modeling techniques are adequate. The conclusions developed in this paper will be informative in the safety design of ships and offshore structures.

Copyright © 2016 by ASME

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