Schäffer, Michael und Sturm, Ralf und Friedrich, Horst E. (2018) Automated generation of physical surrogate vehicle models for crash optimization. International Journal of Mechanics and Materials in Design. doi: 10.1007/s10999-018-9407-8. ISSN 1569-1713.
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Kurzfassung
A challenge in the design and optimization of vehicle structures is the high computational costs required for crash analysis. In this paper an automated model generation for simplified vehicle crash models is presented. The considered crash load cases are the US NCAP (100 %, 56 km/h), the Euro NCAP (40 %, 64 km/h) and the IIHS Small Overlap (25 %, 64 km/h). The generation of the physical surrogate vehicle models is based on different sub-steps which were automated using a process chain. With this process chain it is possible to evaluate very efficiently the influence of structural modifications on the global crash behavior. During the model generation the crash behavior of the surrogate model is directly compared with the full vehicle model to enable a direct assessment of the model quality. Since the interface, where the model is cut, is an important factor for the obtained correlation, different interface positions were analysed. With obtained solutions it is possible to identify the interface position, which fulfils the required correlation by a given computational time. Additionally, the interface discretisation is analyzed to identify the model configuration with the highest correlation. This investigation was performed for three different vehicle models.
elib-URL des Eintrags: | https://elib.dlr.de/120907/ | ||||||||||||||||
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Dokumentart: | Zeitschriftenbeitrag | ||||||||||||||||
Titel: | Automated generation of physical surrogate vehicle models for crash optimization | ||||||||||||||||
Autoren: |
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Datum: | 29 Juni 2018 | ||||||||||||||||
Erschienen in: | International Journal of Mechanics and Materials in Design | ||||||||||||||||
Referierte Publikation: | Ja | ||||||||||||||||
Open Access: | Ja | ||||||||||||||||
Gold Open Access: | Nein | ||||||||||||||||
In SCOPUS: | Ja | ||||||||||||||||
In ISI Web of Science: | Ja | ||||||||||||||||
DOI: | 10.1007/s10999-018-9407-8 | ||||||||||||||||
ISSN: | 1569-1713 | ||||||||||||||||
Status: | veröffentlicht | ||||||||||||||||
Stichwörter: | Crashworthiness, Physical Surrogates, Simplified Models, Automated Model Generation, Optimization, Computational Time | ||||||||||||||||
HGF - Forschungsbereich: | Luftfahrt, Raumfahrt und Verkehr | ||||||||||||||||
HGF - Programm: | Verkehr | ||||||||||||||||
HGF - Programmthema: | Bodengebundener Verkehr (alt) | ||||||||||||||||
DLR - Schwerpunkt: | Verkehr | ||||||||||||||||
DLR - Forschungsgebiet: | V BF - Bodengebundene Fahrzeuge | ||||||||||||||||
DLR - Teilgebiet (Projekt, Vorhaben): | V - NGC Fahrzeugstruktur (alt) | ||||||||||||||||
Standort: | Stuttgart | ||||||||||||||||
Institute & Einrichtungen: | Institut für Fahrzeugkonzepte > Fahrzeugarchitekturen und Leichtbaukonzepte | ||||||||||||||||
Hinterlegt von: | Schäffer, Michael | ||||||||||||||||
Hinterlegt am: | 16 Aug 2018 10:28 | ||||||||||||||||
Letzte Änderung: | 02 Nov 2023 10:13 |
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