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Optimisation of folded core geometry by FE models for different load cases (Studienarbeit)

Lülf, Fritz Adrian (2008) Optimisation of folded core geometry by FE models for different load cases (Studienarbeit). Other. DLR-Interner Bericht. DLR-IB 435-2008/20, 145 S. (Unpublished)

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The objective of this study is to find the optimal geometries for foldcore configurations that are subjected to quasi-static loads and high-velocity impact. It adapts a set of independent design parameters to describe the configuration and details the implementation of a numerical process that organises repetitive simulations. The simulation set-ups are validated against experimental data and fed into parameter-variations and iterative optimisations. As objective function for the optimisations the absorbed energy per unit mass is chosen. This thesis is purely simulative and does not incorporate experiments. Experimental data used for calibration is taken from outside sources. Its main result is a comprehensive set of correlations between the design parameters and the criteria for performance and the characteristics of optimum designs.

Item URL in elib:https://elib.dlr.de/56232/
Document Type:Monograph (DLR-Interner Bericht, Other)
Title:Optimisation of folded core geometry by FE models for different load cases (Studienarbeit)
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Date:31 July 2008
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Number of Pages:145
Keywords:Finite element, simulation, foldcore, optimisation, folded core, impact, explicit
Institution:Institut für Statik und Dynamik der Luft- und Raumfahrtkonstruktionen, Universität Stuttgart
Department:Computational mechanics
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Structures & Materials (old)
Location: Stuttgart
Institutes and Institutions:Institute of Structures and Design > Structural Integrity
Deposited By: Kilchert, Sebastian
Deposited On:24 Nov 2008
Last Modified:27 Apr 2009 15:30

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