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An Effective Curve Matching Metric for Parameter Identification using Partial Mapping
This paper describes a new method for curve matching essential to the solution of inverse problems represented by system parameter identification. Hysteretic response curves are specifically addressed as a general class. The method is ...
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2011 Europäische LS-DYNA Konferenz
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Numerical Simulation of consequences of passenger aircraft tyre damage
All new-designed passenger aircrafts have to meet strict national and international safety requirements in accidents. One of the accidents is pneumatic tyre failure (a tyre burst). Because of that the tyre can be fragmented. An air ...
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2011 Europäische LS-DYNA Konferenz
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Simulation of the flow around a vertical axis wind turbine: LS-DYNA v980
The future 980 version of LS-DYNA® will include Computational Fluid Dynamics (CFD) solvers. The main objective of these new solvers will be to perform fluid structure interactions by directly solving ®the Navier-Stokes equations and ...
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2011 Europäische LS-DYNA Konferenz
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Analysis of a single stage compressed gas launcher behaviour: from breech opening to sabot separation
Single stage compressed gas guns are used in Shock Physics laboratory to perform characterization experiments and ballistic events. The main advantage of this kind of launcher is that impact conditions are well defined (impact ...
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2011 Europäische LS-DYNA Konferenz
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Numerical simulation of the ice-structure interaction in LS-DYNA
Design of offshore structures in Arctic waters is strongly dependent on local and global ice loads. These loadings are, in general, contact forces transmitted to the structures during interaction with ice floes, ice ridges or ...
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2011 Europäische LS-DYNA Konferenz
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Process development for multi-disciplinary spot weld optimization with CAx-LoCo, LS-OPT and ANSA
The number of connection entities in modern car constructions is growing continuously. From that point of view, the identification of the most suitable structural behaviour of various car body configurations with respect to the number ...
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2011 Europäische LS-DYNA Konferenz
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Failure modeling of a self piercing riveted joint using LS-DYNA
Besides the basic product requirements, the aspect of energy efficiency is in the center of automobile engineering. A mixture of different light weight materials like aluminium and higher strength steels, called multi-material mix, is ...
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2011 Europäische LS-DYNA Konferenz
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Phenomenological driven modeling of joints
In the construction of automobiles different technologies are used to join sheets. Today the most common method for connections is resistant spot welding. There are thousands of spot welds in body-in-whites, which are determining the ...
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2011 Europäische LS-DYNA Konferenz
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Development of an improved screw model at Faurecia
Some years ago Faurecia used a very simple screw model. In this model the screw holes are filled by a rigid body and the screw shaft is modeld by a simple spring beam with an unrealistic stiffness. But this model doesn’t represent the ...
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2011 Europäische LS-DYNA Konferenz
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Crashworthiness of an electric prototype vehicle series
The Shell Eco-marathon (SEM) is a challenge for student teams to develop energy-efficient vehicles and demonstrate the fuel efficiency of their prototypes. In Europe, this takes place at the Lausitz Ring in Germany. Since 2009, the ...
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