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MLS-based SPH in LS-DYNA® for Increased Accuracy and Tensile Stability
Two important limitations of the Smoothed Particle Hydrodynamics are low accuracy and tensile instability. While the former can be somewhat alleviated by ...
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15th International LS-DYNA Conference
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SPH
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Smoothed Particle Galerkin Method with a Momentum-Consistent Smoothing Algorithm for Coupled Thermal-Structural Analysis
This paper introduces a momentum-consistent smoothing algorithm to Smoothed Particle Galerkin (SPG) method [1] in LS-DYNA® for the coupled thermal-structural ...
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15th International LS-DYNA Conference
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SPG
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Parametric and Convergence Studies of the Smoothed Particle Galerkin (SPG) Method in Semi-brittle and Ductile Material Failure Analyses
This work presents the state-of-the-art status of the Smoothed Particle Galerkin (SPG) method [1, 2] in LS-DYNA®. The SPG method is a new generation meshfree ...
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15th International LS-DYNA Conference
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SPG
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Numerical Ricochet Model of a 7.62 mm Projectile Penetrating an Armor Steel Plate
Armored vehicles are designed to favor projectile ricochet and thus avoid perforation while providing a certain surface obliquity for the most probable threat ...
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Conferences
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15th International LS-DYNA Conference
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Modeling
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Multi-Layer Aluminum Formability Assessment Using Composite Shells in LS-DYNA® with the Linear Fracture Line Approach
Multi-layer aluminum sheet offers exciting design possibilities for automotive applications due to the outer layer having a ductility that suppresses fracture ...
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15th International LS-DYNA Conference
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Metal Forming
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Calculation of the Velocity and Shape of an Explosively Formed Projectile (EFP) Using Axisymmetric ALE
The symmetry common to most explosively formed projectiles (EFPs) permits their characterization using 2D axisymmetric analysis. Formation of an EFP entails ...
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15th International LS-DYNA Conference
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FSI-ALE
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High Strain Rate Testing and Material Modeling of an Anisotropic Glass Fiber Filled Polyetherimide
High strength composite polymers are often used in applications that require high impact strength and durability. Accurately characterizing the mechanical ...
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Conferences
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15th International LS-DYNA Conference
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Constitutive Modeling
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Material Models for Thermoplastics in LS-DYNA® from Deformation to Failure
In the last years the demands of the automotive industry have led to a strong interest for a more detailed description of the behavior of thermoplastic ...
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15th International LS-DYNA Conference
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Composites
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Scalability Study of Particle Method with Dynamic Load Balancing
We introduce an efficient load-balancing algorithm for particle method (Particle Blast method and Corpuscular Particle method) in LS-DYNA®. Load-balancing is ...
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15th International LS-DYNA Conference
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Blast
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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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15th International LS-DYNA Conference
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Aerospace