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Status report of dummy developments in preparation of Euro NCAP 2015
Euro NCAP is anticipating adding new procedures in areas currently not covered and updating existing procedures to continue the trend of cars becoming safer. Some of the planned enhancements involve introduction of the Q6 child, Q10 ...
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Parameteridentifikation für das GISSMO Schädigungsmodell
Bei der Verbesserung der Vorhersagegenauigkeit von Crashsimulationen gab es in den letzten Jahren enorme Fortschritte im Hinblick auf die Beschreibung von Rissbildung und Rissfortschritt. Dies kann mit Hilfe einer konsistenten ...
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Automation of multidisciplinary model using Primer integrated with TeamCenter
Product Lifecycle Management (PLM) systems are now becoming wellestablished, at least as a structured and versioncontrolled storage system for CAD data, and are now starting to be used to store CAE data too. The challenge is to ...
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Use of *INTERFACE_SPRINGBACK to Precondition Beams for Impact Analyses
The *INTERFACE_SPRINGBACK card allows LS-DYNA to conveniently export deformed geometry, member stresses and effective plastic strains from one analysis run to another. This facilitates the use of inexpensive implicit analyses to ...
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Use of *INTERFACE_SPRINGBACK to Precondition Beams for Impact Analyses
The *INTERFACE_SPRINGBACK card allows LS-DYNA to conveniently export deformed geometry, member stresses and effective plastic strains from one analysis run to another. This facilitates the use of inexpensive implicit analyses to ...
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Anisotropic Extensions of the SAMP-Model for the Simulation of UD-Composites and Organic Sheets
In this contribution, new anisotropic elastic-viscoplastic constitutive models for simulating unidirectional reinforced fiber matrix composites and textile fabrics are presented. These are in particular a transversely-isotropic ...
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The influence of ondulation in fabric reinforced composites on dynamic properties in a mesoscopic scale
Structural mechanic properties of fiber reinforced plastics depend on the single components’ properties, namely matrix and fiber. Simple Micromechanical homogenization theories reach a limit when a laminate consists of fabric ...
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OpenForm - Integrierter Pre- und Postprocessor für industrielle Tiefziehsimulation
Since the mid nineties sheet metal forming simulation has been widely used to take the uncertainty out of the die design process. When forming simulation was first introduced into the work of die designers the main focus was on the ...
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An Approach to Simulate the Residual Strength of Initially Damaged Laminated Safety Glass with LS-DYNA
Since March 2011, a newly released Federal Motor Vehicle Safety Standard 226 Ejection Mitigation (FMVSS 226) shall help to reduce the complete or partial ejection of vehicle occupants through side windows during rollover or side ...
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Das neue Material-Modell *MAT_251 und seine potentielle Anwendung für Materialien mit lokal unterschiedlichen Eigenschaften infolge partiellen Warmumformens (Tailored-Tempering) oder vordehnungsabhängigen Bake-Hardening – Effekts
*MAT_251 (*MAT_TAILORED_PROPERTIES) ist ein Material-Modell, das über einen Table 3D lokal unterschiedliche Spannungs-Dehnungs-Verläufe in Abhängigkeit von einer History-Variablen berücksichtigen kann. Diese History-Variable wird ...
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