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Pilot Study on an analytical Sizing Tool Approach for Inserts Load Introductions in Sandwich Elements

Wolff, Johannes and Brysch, Marco and Hühne, Christian (2016) Pilot Study on an analytical Sizing Tool Approach for Inserts Load Introductions in Sandwich Elements. In: Online Paper Collection ECCM 17. ECCM 17, 26.-30. Jul. 2016, München, Germany. ISBN ISBN 978-3-00-053387-7.

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Primary design requirements for joints in sandwich structures are weight efficiency and often a removability to serve assembly, repair and replacement demands. Bolted local load introductions on sandwich structures using insert elements provide an excellent load carrying capability. Nowadays a variety of standard insert elements is available, offering a reliable performance even though they are often not optimized in terms of net weight. In the optimization process there is a lack on standard sizing procedures to generate adapted basic insert shapes helping to design lightweight local load introductions. Aim of this work is to investigate fundamental statements which are required for a reliable basis for the tool. This paper presents a study of the mathematical formulation provided by [1] and an investigation of its occasionally large differences compared to experimental results. The uncertainty factors in determining maximal carrying forces are discussed and methods for more precise prediction are presented.

Item URL in elib:https://elib.dlr.de/105209/
Document Type:Conference or Workshop Item (Speech)
Title:Pilot Study on an analytical Sizing Tool Approach for Inserts Load Introductions in Sandwich Elements
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Wolff, Johannesjohannes.wolff (at) dlr.dehttps://orcid.org/0000-0001-8775-9025
Brysch, Marcomarco.brysch (at) dlr.deUNSPECIFIED
Hühne, Christianchristian.huehne (at) dlr.dehttps://orcid.org/0000-0002-2218-1223
Date:26 June 2016
Journal or Publication Title:Online Paper Collection ECCM 17
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
ISBN:ISBN 978-3-00-053387-7
Keywords:sandwich, connection, insert, sizing tool, parameter identification
Event Title:ECCM 17
Event Location:München, Germany
Event Type:international Conference
Event Dates:26.-30. Jul. 2016
Organizer:TU München
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 - Next Generation Train III (old)
Location: Braunschweig
Institutes and Institutions:Institute of Composite Structures and Adaptive Systems > Functional Lightweight Structures
Deposited By: Wolff, Johannes
Deposited On:16 Oct 2016 12:45
Last Modified:16 Oct 2016 12:45

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