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Berechnung sprengwirkungshemmender Fenster- und Fassadenkonstruktionen
M. Wagner, R. Müller (Ing.-Büro Dr.-Ing. R. Müller) Numerical simulations of blast resistant windows and facades will be presented and compared with test results. The focus of the presentation is the prediction of different ...
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Verrippte Bauteile – Kugelimpaktversuche und Simulationsergebnisse mit LS-DYNA
S. Hiermaier, F. Huberth (Fraunhofer EMI) Material models for thermoplastic polymers are still subject of research and development. The commonly used material models for crash simulation were developed for metals. This paper shows a ...
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Implementation of a New Adaptive Cohesive Element for the Simulation of Delamination in Composite Materials in LS-DYNA
A. Elmarakbi (Tohoku University) A new 8-node adaptive cohesive element is developed and implemented in LS-DYNA to stabilize the finite element simulations of delamination propagation in composite laminates under transverse loads. ...
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Material - Foams/Composites
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Computational Simulations of Regular Open-cell Cellular Structures with Fillers
M. Vesenjak, Prof. Z. Ren, Prof. A. Öchsner (University of Maribor) Cellular structures are often used as crash absorbers due to their high capability of impact energy absorption. During the impact the intercellular walls buckle and ...
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Material - Foams/Composites
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Material Model Validation of a High Efficient Energy Absorbing Foam
G. Slik (DOW Automotive) Energy absorbing foam padding is widely applied in various areas of modern cars in conjunction with increasing number of airbags as passive safety systems. High efficient energy absorbing foams which can be ...
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Material - Foams/Composites
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Schädigungsmodellierung auf der Basis eines Zweiskalen-Ansatzes
M. Timmel, Prof. M. Kaliske (Universität Leipzig); S. Kolling (DaimlerChrysler) Im vorliegenden Beitrag erfolgt die Diskussion eines mikromechanischen Materialansatzes zur numerischen Simulation der Steifigkeitsreduktion von ...
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Material - Metals
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Recent development and applications of the Gurson model
M. Feucht, T. Frank (DaimlerChrysler); D.-Z. Sun (Fraunhofer IWM); T. Erhart (DYNAmore) With increasing requirements on the crash safety of automotive components and on virtual prototyping it becomes more and more important to model ...
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Material - Metals
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Material Failure Approaches for Ultra High strength Steel
S. Sivasamy, M. Schröter (Benteler Automobiltechnik) The quest for predicting the material failure of ultra high strength steel introduces various approaches in simulations. BTR165 is ultra high strength steel used for safety beams ...
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Material - Metals
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Damage Modelling of Automobile Components of Aluminium Materials under Crash Loading
A. Ockewitz, D.-Z. Sun (Fraunhofer IWM); H. Klamser, D. Malcher (Dr. Ing. h.c. F. Porsche) The crash behaviour of automobile components from an aluminium die cast alloy and from an extruded profile was characterised under different ...
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Material - Metals
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On the numerical analysis of a carillon bell using LS-DYNA with a specific view on model validation
G. Blankenhorn (Universität Karlsruhe) In this contribution we focus on the validation of a numerical model for a carillon bell. Both, the realization of the numerical model and the experimental set up are described. The results of ...
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Implicit
