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MARSTRUCT benchmark study on nonlinear FE simulation of an experiment of an indenter impact with a ship side-shell structure

Abstract

This paper presents a benchmark study on collision simulations that was initiated by the MARSTRUCT Virtual Institute. The objective was to compare assumptions, finite element models, modelling techniques and experiences between established researchers within the field. Fifteen research groups world-wide participated in the study. An experiment involving a rigid indenter penetrating a ship-like side structure was used as the case study. A description of how the experiment was performed, the geometry model of it, and material properties were distributed to the participants prior to their simulations. The paper presents the results obtained from the fifteen FE simulations and the experiment. It presents a comparison of, among other factors, the reaction force versus the indenter displacement, internal energy absorbed by the structure versus the indenter displacement, and analyses of the participants' ability to predict failure modes and events that were observed in the experiment. The outcome of the study is a iscussion and recommendations regarding mesh size, failure criteria and damage models, interpretation of material data and how they are used in a constitutive material model, and finally, uncertainties ingeneral.

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Jonas Ringsberg, Jörgen Amdahl, Bai Chen, Sang-Rai Cho, Sören Ehlers, Zhiqiang Hu, Jan Kubiczek, Mihkel Kõrgesaar, Bin Liu, Janis Marinatos, Karol Niklas, Joško Parunov, Bruce Quinton, Smiljko Rudan, Manolis Samuelides, Carlos Soares, Kristjan Tabri, Richard Villavicencio, Yasuhira Yamada, Zhaolong Yu, Shengming Zhang. (2018). MARSTRUCT benchmark study on nonlinear FE simulation of an experiment of an indenter impact with a ship side-shell structure. Marine Structures, 59, 142-157. https://doi.org/10.1016/j.marstruc.2018.01.010

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Details

Category:
Magazine publication
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
MARINE STRUCTURES no. 59, pages 142 - 157,
ISSN: 0951-8339
Language:
English
Publication year:
2018
Bibliographic description:
Ringsberg J., Amdahl J., Chen B., Cho S., Ehlers S., Hu Z., Kubiczek J., Kõrgesaar M., Liu B., Marinatos J., Niklas K., Parunov J., Quinton B., Rudan S., Samuelides M., Soares C., Tabri K., Villavicencio R., Yamada Y., Yu Z., Zhang S.: MARSTRUCT benchmark study on nonlinear FE simulation of an experiment of an indenter impact with a ship side-shell structure// MARINE STRUCTURES. -Vol. 59, (2018), s.142-157

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