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Investigation of a methodological approach to modelling sandwich structures using cohesive elements

Grünheid, Thomas and Sikora, Sebastian P. and Friedrich, Horst E. (2017) Investigation of a methodological approach to modelling sandwich structures using cohesive elements. SAMPE Europe Conference 2017, 14.-16. November 2017, Stuttgart, Deutschland.

[img] PDF (Gruenheid-et-al - SAMPE 2017 - Paper) - Only accessible within DLR

Official URL: https://www.sampe-europe.org


Lightweight multi-material architectures like sandwich structures can contribute to reaching environmental targets regarding the reduction of emissions from vehicles. In modern development processes, modelling sandwich structures' mechanical behaviour in finite-element simulations is essential. In the Next Generation Car (NGC) research project, a novel vehicle concept is being developed that makes extensive use of sandwich materials - the Safe Light Regional Vehicle (SLRV). Particularly, crash load cases are considered in the development of this sandwich structure. The investigated sandwich material consists of two metallic layers and a polyurethane foam core. For the derivation of an appropriate mechanical surrogate model, the damage mechanisms during loading have to be analysed and evaluated. Preliminary studies show potentials for the investigated approach that uses cohesive elements to model the sandwich core.

Item URL in elib:https://elib.dlr.de/116649/
Document Type:Conference or Workshop Item (Poster, Other)
Title:Investigation of a methodological approach to modelling sandwich structures using cohesive elements
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Date:November 2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:sandwich, cohesive-zone element, crash, polyurethane, aluminium
Event Title:SAMPE Europe Conference 2017
Event Location:Stuttgart, Deutschland
Event Type:international Conference
Event Dates:14.-16. November 2017
Organizer:Society for the Advancement of Material and Process Engineering (SAMPE Germany & SAMPE Europe)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Terrestrial Vehicles (old)
DLR - Research area:Transport
DLR - Program:V BF - Bodengebundene Fahrzeuge
DLR - Research theme (Project):V - NGC Fahrzeugstruktur (old)
Location: Stuttgart
Institutes and Institutions:Institute of Vehicle Concepts > Vehicle Architectures and Lightweight Design Concepts
Institute of Vehicle Concepts > Material and Process Applications for Road and Rail Vehicles
Deposited By: Sikora, Dr. Sebastian P.
Deposited On:09 Jan 2018 16:02
Last Modified:14 Dec 2018 13:48

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