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Computational Modeling of Adiabatic Heating in Triaxially Braided Polymer Matrix Composites Subjected to Impact Loading via a Subcell Based Approach
The high rate deformation of polymer matrix composites is often accompanied by significant local adiabatic heating; in the case of ballistic impact loading, ...
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Conferences
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15th International LS-DYNA Conference
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Aerospace
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Modelling of damage in composite materials using interface elements
A simple and robust implementation of an interface element has been addressed in this paper. A new state variable is introduced to trace the extent of damage ...
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Conferences
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5th European LS-DYNA Conference
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Application of a Composite Material Shell-Element Model in Ballistic Impact and Crush Simulations
A new orthotropic material model with tabulated hardening curves for different loading directions, strain-rate and temperature dependency, damage, and a new ...
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Conferences
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16th International LS-DYNA Conference
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Composites T5-2
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Using Data from Physical Experiments to Train Machine Learning Material Models
Structural analysis of mechanical components, such as predicting the deformation behavior of sheet metal or assessing the crash safety of a vehicle, typically ...
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Conferences
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14th European LS-DYNA Conference 2023
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Machine Learning/AI
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Stacked Shell Modeling for Evaluation of Composite Delamination in Full Vehicle Simulations
Accurate prediction of delamination in composite materials is a challenge and often limits the application of lightweight materials in safety relevant ...
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Conferences
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16th International LS-DYNA Conference
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Composites T3-1
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A Non-orthogonal Material Model of Woven Composites in the Preforming Process
Woven composites are considered as a promising material choice for lightweight applications. The new LS-DYNA® material model MAT_COMPRM (MAT_293) that can ...
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Conferences
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15th International LS-DYNA Conference
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Composites
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Modelling of laser impact on typical composites aeronautical structures for bonding quality assessment
Massively used in aeronautical structures, composites are nowadays essential in the search for a more ecological and successful industry. Their low density ...
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Conferences
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14th European LS-DYNA Conference 2023
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Protective Structures
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Theoretical Development of an Orthotropic Elasto-Plastic Generalized Composite Material Model
Several key improvements in the state of the art have been identified by the aerospace community as desirable for inclusion in a next generation material model ...
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Conferences
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13th International LS-DYNA Conference
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Aerospace
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Strain Rate and Temperature Dependent Testing in Support of the Development of MAT224 and MAT213
The deformation and failure of metals and composites is known to be affected by strain rate and temperature. Material models in LS-DYNA® account for these ...
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Conferences
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15th International LS-DYNA Conference
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Aerospace
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Development and Verification of an Orthotropic Elasto-Plastic Three-Dimensional Model with Tabulated Input Suitable for Use in Composite Impact Problems
A material model which incorporates several key capabilities which have been identified by the aerospace community as lacking in the composite impact models ...
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Conferences
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15th International LS-DYNA Conference
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Aerospace