About this Abstract |
Meeting |
2024 TMS Annual Meeting & Exhibition
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Symposium
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Mechanical Response of Materials Investigated through Novel In-situ Experiments and Modeling
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Presentation Title |
In Situ Micro-computed Tomography of Reentry Fabrics under Tensile Loading |
Author(s) |
Collin Foster, Cutler Phillippe, Laura Villafaņe Roca, Francesco Panerai |
On-Site Speaker (Planned) |
Collin Foster |
Abstract Scope |
Parachutes experience a complex interplay of dynamic forces during the critical entry descent landing phase of any reentry mission. Simulating the relationships between permeability, porosity, anisotropic weave architecture, and the fluid-structure interactions with the flow are of critical importance to ensure mission success. Of particular interest to high-fidelity predictions is resolving the individual tows and fibers on the micro-scale, and the intertwined tows of the meso-scale.
Woven nylon parachute seams, cords, and weaves are tested in a 1D and 2D tensile tester at beamline 8.3.2 of the Advanced Light Source at Lawrence Berkeley National Lab. Step-wise loading is observed in-situ with synchrotron X-ray micro-computed tomography (CT) to characterize the mechanical response of the anisotropic textiles. The large amount of CT data acquired is segmented using convolutional neural networks to extract relevant features of interest in order to supplement multi-scale simulations. |
Proceedings Inclusion? |
Planned: |
Keywords |
Characterization, Machine Learning, Mechanical Properties |