Experimental Investigations on Stiffened and Web-core Sandwich Panels Made for Steel under Quasi-Static Penetration

Jani Romanoff*, Mihkel Korgesaar, Pauli Lehto, Kennie Berntsson, Heikki Remes

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionScientificpeer-review

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Abstract

Structural integrity analysis of ships in collisions and groundings requires a realistic idealization of environmental and operational conditions within computational models. In essence, the problems are solved as Fluid-Structure-Interaction problems in which structural mechanics has an important role by modeling the contact. The accuracy of structural predictions in as-built and as-operated structures can only be improved by properly understanding the phenomena present in full- and laboratory-scale. This paper investigates experimentally the modeling uncertainties with quasi-static experiments on single-sided stiffened and double-skinned steel sandwich panels. Results reveal the importance of uncertainties associated with the panels' boundary conditions on how they affect the roles of membrane and bending load-carrying mechanisms and loading, material, and structural gradients that affect the initiation of the final fracture.

Original languageEnglish
Title of host publication4TH INTERNATIONAL CONFERENCE ON STRUCTURAL INTEGRITY (ICSI 2021)
EditorsP Moreira, P Tavares
PublisherElsevier
Pages17-24
Number of pages8
Volume37
EditionC
DOIs
Publication statusPublished - 2022
MoE publication typeA4 Article in a conference publication
EventInternational Conference on Structural Integrity - Virtual, Online
Duration: 30 Aug 20212 Sep 2021
Conference number: 4

Publication series

NameProcedia Structural Integrity
PublisherElsevier
Volume37
ISSN (Print)2452-3216

Conference

ConferenceInternational Conference on Structural Integrity
Abbreviated titleICSI
CityVirtual, Online
Period30/08/202102/09/2021

Keywords

  • Steel panels
  • crashworthiness
  • collision
  • dynamic failure
  • quasi-static loading

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