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On Closing the Constitutive Gap Between Forming and Crash Simulation
With increasing requirements on crashworthiness, and light-weight car body structures being a central issue in future automotive development, the use of high ...
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10th International LS-DYNA Conference
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On Parameter Identification for the GISSMO Damage Model
In order to improve predictiveness of crashworthiness simulations, great effort has been made regarding the treatment of crack formation and propagation. To ...
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12th International LS-DYNA Conference
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On the prediction of material failure in LS-DYNA®: A comparison between GISSMO and DIEM
As a consequence of the worldwide tendency in reducing CO2 emissions by producing lighter and more energy-efficient products, the demand for accurate ...
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13th International LS-DYNA Conference
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Constitutive Modeling
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Phenomenological driven Modeling of Joints
In the construction of automobiles different technologies are used to join sheets. Today the most common method for connections is resistant spot welding. ...
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8th European LS-DYNA Conference
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Session 2
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Plasticity and Damage Modeling of the AA7075 Aluminium Alloy for Hot Stamping
LS-DYNA® has several plane stress material models available for isothermal aluminum sheet stamping, most notably *MAT_3-PARAMETER_BARLAT, *MAT_BARLAT_YLD2000, ...
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15th International LS-DYNA Conference
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Metal Forming
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Prediction of Dynamic Material Failure – Part II: Application with GISSMO in LS-DYNA
As alluded in the first part of the present contribution, strain rate effects are quite relevant during a high speed crash event. If one intends to accurately ...
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10th European LS-DYNA Conference
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2 Crash I - Failure
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Prediction of Failure Behaviors in Polymers Under Multiaxial Stress State
Polymers are used in an increasing number of automobile parts to improve occupant and pedestrian safety as well as reduce weight and cost. Under impact, these ...
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12th International LS-DYNA Conference
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Probabilistic Analysis of Process Chain “Forming to Crash“ Regarding Failure Prediction
Numerical analysis of forming and crash processes is usually carried out deterministically. However, the variations of the parameters describing materials and ...
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10th European LS-DYNA Conference
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2 Crash VI - Material
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Process Chain Forming to Crash: Efficient Stochastic Analysis
During the fabrication of products, important material and process parameters, geometry and also external influences (e.g. room temperature) can vary ...
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7th European LS-DYNA Conference
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Process Chain Forming to Crash: Efficient Stochastic Analysis
During the fabrication of products, important material and process parameters, geometry and also external influences (e.g. room temperature) can vary ...
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7th European LS-DYNA Conference
