Dynamic evaluation of aluminum alloys using a virtual framework. (December 2021)

• Record Type: Journal Article
• Authors: Toor, Zaigham Saeed; Baluch, Abrar H.
• Is Part Of: Acta astronautica. Volume 189(2021)
• Page Start: 567
• Page End: 575
• Publication Date: 2021-12
• Subjects: Impact testing -- Aluminum alloys -- Modelling and simulation -- FEM -- Abaqus; Astronautics -- Periodicals; Outer space -- Exploration -- Periodicals; Astronautics; Periodicals; 629.405
• DOI: 10.1016/j.actaastro.2021.09.021
• Languages: English
• ISSNs: 0094-5765

Abstract

Abstract: This research paper has utilized a computational based approach to assess the impact response of Aluminum alloys. The authors have conducted Two Dimensional, Continuum Shell and Three Dimensional modelling of a shielding system using Finite Element Method. Effect of thickness and velocity variation has been emphasized with a view to simulate the effect of space debris on the metallic shielding system. Plane stress elements, Continuum Shell elements and Three Dimensional stress elements were used for Two Dimensional, Continuum Shell and Three Dimensional modelling of the plate, while rigid elements were used to model the projectile. The computational results showed a good agreement with the experimental results available. A maximum of 14 % increase in the relative damaged area of the specimen was observed, while the maximum stress generated under the impact was 395 MPa, leading to an immediate failure of the plate at a velocity of 1674 m/s. The numerical damage topologies also showed confidence with the published experimental results. Highlights: FEM. Computational analyses using 2D, Continuum shell and 3D elements. High velocity impact studies. Space debris.