Dynamic Failure Analysis of Aluminum Foam Sandwich Structure Using 3D Material Point Method

Can Wang; Hao Ran Chen; Xiao Zhi Hu; Yu Xin Wang

doi:10.4028/www.scientific.net/AMR.41-42.363

Paper Titles

Study on Interlaminar Shear and Damage Behavior of Carbon Fiber Composites with Short Fiber Interleaves: 1. The Comparative Test
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Study on Interlaminar Shear and Damage Behavior of Carbon Fiber Composites with Short Fiber Interleaves: 2. Micro-Mechanical Simulation
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Corrosion Resistance of Electrodeposited RE-Ni-W-P-SiC-PTFE Composite Coatings
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Flexural Failure of Unidirectional Hybrid Fibre-Reinforced Polymer (FRP) Composites Containing Different Grades of Glass Fibre
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Dynamic Failure Analysis of Aluminum Foam Sandwich Structure Using 3D Material Point Method
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Electrochemical Properties of Al/Pb-WC-ZrO₂ Composite Coatings
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Dimensional Variations of General Curved Composite Parts
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Process and Properties of Pulse Electrodeposited RE-Ni-W-P-SiC Composite Coatings
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Advances in Residual Stress Modeling and Measurement for the Structural Integrity Assessment of Welded Thermal Power Plant
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Dynamic Failure Analysis of Aluminum Foam Sandwich Structure Using 3D Material Point Method

Abstract:

The blast-resistant of an aluminum foam sandwich structure under impact has been investigated. Plastic deformation and load distributions in each of the sub-layers during and after impact were calculated by the material point method with the consideration of strain rate effect on deformation of the aluminum foam. The numerical results from the 3D material point method modeling show that the blast-resistant capability of the aluminum foam sandwich structure is excellent, and the energy absorbability of the structure would be underestimated if the strain rate effect on the aluminum foam is ignored.