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Temperature dependent TAPO model for failure analysis of adhesive bonds subjected to thermal service loading
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Mittwoch (12.10.16)
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Connection Modeling
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Self Pierce Riveting of Materials with Limited Ductility Investigated with the Bai-Wierzbicki Damage Model in GISSMO
The application of joining techniques on advanced lightweight materials with limited ductility, as for example Aluminum or Magnesium die cast, is nowadays a common practice in automotive industry. But in particular during the process ...
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Mittwoch (12.10.16)
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Connection Modeling
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Charakterisierungsversuche und Parameterbestimmung für die Kohäsivzonenmodellierung von Polyurethan-Klebverbindungen
Im Automobil-Leichtbau werden neben epoxidharzbasierten (EP) Klebstoffen verstärkt auch polyurethanbasierte (PU) Klebstoffe für die Verbindung strukturrelevanter Komponenten eingesetzt. Besonders für die Multi-Material-Bauweise, bei ...
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Mittwoch (12.10.16)
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Connection Modeling
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Temperature Dependent TAPO Model for Failure Analysis of Adhesively Bonded Joints due to Temperature Induced Service Loading
The Toughened Adhesive Polymer (TAPO) material model is available in LS-DYNA with Keyword *MAT_252. The model describes the mechanical behaviour of crash optimised high-strength adhesives under crash conditions and takes elasticity, ...
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Mittwoch (12.10.16)
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Connection Modeling
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Prozess- und Zerreis-Simulationen von punktförmigen Verbindungen im Automobilbau unter Berücksichtigung unscharfer Prozess-Parameter
Thema des Vortrages ist die virtuelle Charakterisierung von punktförmigen Verbindungen am Beispiel von Halbhohlstanzniet- und Clinch-Verbindungen. Der Fügeprozess zur Herstellung der Verbindungen wurde unter Berücksichtigung der ...
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Mittwoch (12.10.16)
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Connection Modeling
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Improved Robust Low Order Solid and Solid-Shell Finite Elements with In-compatible Modes / Enhanced Assumed Strains for Explicit Time Integration
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Mittwoch (12.10.16)
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Finite Elemente Technolgy
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Predictive Fracture Modeling in Crashworthiness: A Discussion of the Limits of Shell-Discretized Structures
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Mittwoch (12.10.16)
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Finite Elemente Technolgy
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Tests with a Sensitive Specimen Geometry Confirm Solid Elements when the Aspect Ratio is Below Four
The 64 km/h frontal offset test is run with a deformable barrier, and the first numerical model of this barrier was made with solid elements to represent the honeycomb blocks. This required development of a special element formulation ...
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Mittwoch (12.10.16)
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Finite Elemente Technolgy
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Improvement of Low Order Solid and Solid-Shell Finite Elements with Incompatible Modes / Enhanced Assumed Strains for Explicit Time Integration
Improvements beyond the well established fully underintegrated and selectively underin-tegrated 8-node solid and solid-shell finite elements are highly desirable. A popular element technology to provide better accuracy for low order ...
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Mittwoch (12.10.16)
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Finite Elemente Technolgy
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Simulation of Wear Processes in LS-DYNA
Quasi-static tests that are part of the federal regulations such as FMVSS 216 and FMVSS 207/210 is predominantly simulated using LS-DYNAs explicit solver. To be able to produce results in a reasonable time, mass-scaling and ...
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Mittwoch (12.10.16)
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Finite Elemente Technolgy
