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Computational simulations of aluminum foam projectile behavior
The results of experimental tests and computer simulations of open-cell aluminum foam behavior under high deformation rates are presented. Experimental Taylor impact tests showed, that the open-cell foam projectile deforms already ...
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2011 Europäische LS-DYNA Konferenz
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Session18 Paper3 Abstract
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2011 Europäische LS-DYNA Konferenz
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Orion space craft water and land landing system simulation; An injury case study
NASA’s return to moon program had kept the NESC (NASA Engineering and Safety Center) busy for the past several years. The NESC was charged to come up with a safe landing for the Orion capsule. Water and land landing is considered for ...
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2011 Europäische LS-DYNA Konferenz
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Development of a water filled fender system for off shore installations
In order to extend the life and productivity of an off-shore oil and gas platform an new installation has been proposed to provide a compression unit. The existing platform is already extensively occupied, having been in existence for ...
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2011 Europäische LS-DYNA Konferenz
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Hail Impact Simulation on CFC Covers of a Transport Aircraft
Due to increasing weight saving requirements in new aircraft, structures traditionally built from aluminium alloys are increasingly replaced by carbon fibre reinforced Composites (CFC). For the preliminary flight clearance hail imact ...
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2011 Europäische LS-DYNA Konferenz
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Simulation of ice action loads on off shore structures
During the last years, there has been an increasing amount of work published regarding simulation of ice action on structures using finite element models of the ice. The effect of ice fracture is in these models approximated using ...
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2011 Europäische LS-DYNA Konferenz
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An airbag application for the ALAR incidences for the Passenger Aircrafts
The airbag system can be designed to reduce the damage on the fuselage during an Approach and Landing Accident Reduction (ALAR) situations as well as ditching in the water for the transcontinental flights. Minimum hull damage protects ...
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2011 Europäische LS-DYNA Konferenz
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Validation and Material Modelling of Plastics
The virtual estimation of physical product properties is only as good as the virtual description of the behaviour of its material. On the one hand there are well known material cards like *MAT_PIECEWISE_LINEAR_PLASTICITY in LS-DYNA© ...
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Behaviour model for semi-crystalline polymer, application to crashworthiness simulations
Today polymer materials are frequently used in the transport domain with more severe specification requirements. The behaviour modeling and failure prediction have consequently become a priority. In this paper, an elastoviscoplastic ...
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A constitutive model for thermoplastics with some applications
A constitutive model for thermoplastics is outlined in this paper. The model consists of two parts: A hyperelastic-viscoplastic response due to intermolecular resistance denoted Part A, and an entropic hyperelastic response due to ...
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