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Concepts to Consider Tool Elasticity in Forming Simulations with LS-DYNA
This talk gives an overiew of "Full 3D discretized", "Condensation", " Deformable Rigid Bodies" and "Coarse 3D tool meshes combined with fine active tool surface". It concludes with two examples and an outlook.
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2008 Deutsches LS-DYNA Forum
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dokumente
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LS-PREPOST Stamping Application Setup
This talk's outline includes an introduction into the latest version of LS-Prepost 2.3 and several topics about metal forming application setup, user's keyword templades, drawbead modeling as well as automatic tooling positioning, the ...
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2008 Deutsches LS-DYNA Forum
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dokumente
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Simulation of Metal Forming Processes Under Consideration of Imprecise Probabilities
The design of metal forming processes is an ambitious task in order to ensure a high quality of the subsequent products. The assessments of designs, neglecting the data uncertainty, can result in fallacious prognosis and hence lead to ...
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2008 Deutsches LS-DYNA Forum
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dokumente
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Simulation of Metal Cutting, Using Smooth Particle Hydrodynamics
The purpose of this study is to introduce an approach of metal cutting simulation. A Smooth Particle Hydrodynamics (SPH) based model is carried out using the LS-DYNA software. SPH is a meshless method which is very promising as a ...
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2008 Deutsches LS-DYNA Forum
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Prediction of Cutting Forces in Metal Cutting, Using the Finite Element Method, a Lagrangian Approach
The purpose of this study is to introduce the first approach of metal cutting analysis. A Lagrangian based analysis is carried out using the LS-DYNA software. Simulated cutting forces are compared with forces measured by experiments. ...
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2008 Deutsches LS-DYNA Forum
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dokumente
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Recent Advances and New Developments in Hot Forming Simulation with LS-DYNA
The analysis and optimization of hotforming processes necessitates the use of thermal-mechanical coupled finite element simulations. One of the key issues in process simulation is the choice of an appropriate modelling approach for ...
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2008 Deutsches LS-DYNA Forum
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Praxisgerechte Biegesimulation als Vorformoperation für den IHU-Prozess
In contrast to the deep drawing process the Finite-Element-Method is not widely used for investigating or designing a certain bendingline. Due to the complexity of the bending process the user needs to have an understanding which ...
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2008 Deutsches LS-DYNA Forum
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Superplastische Blechumformung von Magnesiumlegierungen
Superplastic Sheet Metal Forming is known since a long time, but has not established itself in Germany yet. Superplastic Sheet Metal Forming exhibits great potential regarding magnesium alloys which are marked by poor formability at ...
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2008 Deutsches LS-DYNA Forum
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dokumente
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Numerical Modelling of Cross Roll Straightening
The aim of the cross-roll straightening process is to straighten bars having a circular section. To the knowledge of the authors, most of the work published about this process is based on analytical considerations. In the present ...
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2008 Deutsches LS-DYNA Forum
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Springback Compensation for Incremental Sheet Metal Forming Applications
Incremental CNC sheet forming (ISF) and incremental sheet forming with incremental die (ISFID) are relatively new sheet form process for small batch production and prototyping. In these processes, a blank is shaped by the CNC ...
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2008 Deutsches LS-DYNA Forum
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dokumente