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Vision and Development of DAS - a LS-DYNA based Die System Analysis
DYNAFORM has been known as a LS-DYNA based sheet metal forming simulation solution package. With additional development to support various manufacturing requirements, ETA has delivered a first version of DYNAFORM-DSA Module, it is ...
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2007 Deutsches LS-DYNA Forum
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Metal Forming
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Newly Developed DYNAFORM 5.6 Features and Functions
DYNAFORM has been evaluated through out last 12 years in 5 major overhauls. DYNAFORM 5.6 is the latest major overhault with incremental improvements and enhancements in the areas of Overall GUI reorganization, enhanced DFE features & ...
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2007 Deutsches LS-DYNA Forum
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Metal Forming
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Reliability Based Design Optimization with LS-OPT for a Metal Forming Application
The purpose of this paper is to account for uncertainties in the manufacturing processes of metal forming in order to evaluate the random variations with the aid of FE-simulations. Various parameters of the Finite-Element model ...
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2007 Deutsches LS-DYNA Forum
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Metal Forming
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Prozessnahe Umformsimulation des Presshärtens mit LS-DYNA
At present, hot stamping represents an innovative manufacturing process for forming high strength steels, implying a sheet at austenite temperature being rapidly cooled down and formed into a die at the same time (quenching). This ...
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2007 Deutsches LS-DYNA Forum
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Metal Forming
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Thermo-mechanisch gekoppelte Prozesssimulation zur gleichzeitigen Warm-/Kaltumformung einer Flanschwelle
A new, highly innovative manufacturing technology is the simultaneous warm and cold forming process of the workpiece with successive hardening process directly in the forming dies. It is developed in the context of the Collaborative ...
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2007 Deutsches LS-DYNA Forum
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Metal Forming
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Using LS-DYNA for Hot Forming
LS-971 has several features to model the hot forming process. A thick thermal shell formulation for the blank allows modeling a temperature gradient through the thickness. The keyword, *MAT_ADD_THERMAL_EXPANSION, allows calculating ...
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2007 Deutsches LS-DYNA Forum
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Metal Forming
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Numerische Simulation des Presshärtprozesses unter Berücksichtigung der Gefügeumwandlung
Numerical simulation by means of Finite-Element-Method has become an indispensable tool for process design of metal-forming processes. But new steels and new processes, e. g. hot stamping, require advanced material models for valid ...
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2007 Deutsches LS-DYNA Forum
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Metal Forming
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Accurate hardening modeling as basis for the realistic simulation of sheet forming processes with complex strain-path changes
Sheet metal forming involves large strains and severe strain path changes. Large plastic strains lead in many metals to the development of persistent dislocation structures resulting in strong flow anisotropy. This induced anisotropic ...
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2007 Deutsches LS-DYNA Forum
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Metal Forming
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Simulation of metastable austenitic stainless steels with LS-DYNA
This talk presents the simulation of metastable austenitic stainless steels with LS-DYNA, "Hänsel" - a model for metastable austenitic stainless steels and different kinds of simulation examples. It concludes with a short summary and ...
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2007 Deutsches LS-DYNA Forum
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Metal Forming
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Incremental Sheet Forming - Process Simulation with LS-DYNA
Incremental CNC sheet forming (ISF) is a relatively new sheet metal forming process for small batch production and prototyping. In ISF, a blank is shaped by the CNC movements of a simple tool in combination with a simplied die. The ...
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2007 Deutsches LS-DYNA Forum
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Metal Forming
