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Considerations for LS-DYNA Efficiency in SGI IRIX and Linux Environments with a NUMA System Architecture
Stan Posey, Nick Meng SGI, Mountain View, CA Manufacturing industry and research organizations continue to increase their investments in structural analysis and impact simulations such that the growing number of LS-DYNA users ...
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2003 European LS-DYNA Conference
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MPP / Linux Cluster / Hardware
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Analyzing 'Noisy' Structural Problems with LS-OPT: Probabilistic and Deterministic Fundamentals
Willem Roux and Nielen Stander Livermore Software Technology Corporation, Livermore CA System identification of 'noisy' structural design optimization problems: the sources of uncertainty, the competing roles of bias and variance, ...
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2003 European LS-DYNA Conference
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Optimization
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Crashworthiness Optimization in LS-OPT: Case Studies in Metamodeling and Random Search Techniques
Nielen Stander Willem Roux Mathias Giger Marcus Redhe Nely Fedorova Johan Haarhoff This crashworthiness optimization study compares the use of three metamodeling techniques while using a sequential random search method as a control ...
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2003 European LS-DYNA Conference
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Optimization
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Shape Adaptive Airfoils for Turbomachinery applications: Simulation and Optimization
Tobias M¨ller u Institute of Thermal Engineering Department of Turbomachinery University of Kassel Germany Keywords: Shape Adaptive Airfoils, Optimization, Response Surface Methodology Smart materials and smart structural concepts in ...
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2003 European LS-DYNA Conference
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Optimization
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Fluid-Structure Interaction in LS-DYNA: Industrial Applications
M’hamed Souli Numerical problems due to element distortions limit the applicability of a Lagrangian description of motion when modeling large deformation processes. An alternative technique is the multi-material Eulerian formulation. ...
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2003 European LS-DYNA Conference
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Aerospace / Fluid-Struct. Inter.
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Modern Field Code Cluster of Fluid Dynamics and Structure Mechanics with MetaComputing Grids for Safety and Environment Research Studies
In this this paper, we describe main results obtained within the scope of joint project activities concerning the numerical simulation of reacting flows in complex geometries. The aim is the refinement of numerical methods for applied ...
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2003 European LS-DYNA Conference
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Aerospace / Fluid-Struct. Inter.
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The use of LS-DYNA fluid-structure interaction to simulate fluid-driven deformation in the aortic valve
Chris Carmody, Gaetano Burriesci, Ian Howard, E.A. Patterson
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2003 European LS-DYNA Conference
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Aerospace / Fluid-Struct. Inter.
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Jet Engine Fan Blade Containment using Two Alternate Geometries
Kelly Carney, Mike Pereira, Duane Revilock, and Paul Matheny In the rare event of a fan blade separation, the fan blade must not penetrate the case of a commercial jet engine. Due to this requirement the fan case is the heaviest ...
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2003 European LS-DYNA Conference
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Aerospace / Fluid-Struct. Inter.
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Stabilized DSG Elements – A New Paradigm in Finite Element Technology
Manfred Bischoff, Frank Koschnick, Kai-Uwe Bletzinger Lehrstuhl für Statik Technische Universität München The Discrete Shear Gap Method, initially proposed for the elimination of transverse shear locking in plate and shell finite ...
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2003 European LS-DYNA Conference
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Implicit / New Developments
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LS-DYNA Beam Elements: Default and User Defined Cross Section Integration
Len Schwer Schwer Engineering & Consulting Services, USA LS-DYNA provides several beam element formulations, see the keyword description for *Section_Beam in the User’s Manual. Several of these beam element formulations support user ...
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2003 European LS-DYNA Conference
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Implicit / New Developments
