Shock dynamics in periodic two-dimensional composites

Recently developed hybrid additive manufacturing techniques can create architectured composites where the constituents are patterned in a periodic array, with a characteristic length scale on the order of several hundred microns. This control over mesostructure can be used to fabricate materials wit...

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Bibliographic Details
Main Authors: Poole, Lauren L., Gonzales, Manny, Moustafa, Abdel R., Gerlt, Austin R. C., Cordero, Zachary C.
Format: Conference Proceeding
Language:English
Subjects:
Compression tests
Longitudinal waves
Shielding
Two dimensional composites
Wave scattering
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Summary:Recently developed hybrid additive manufacturing techniques can create architectured composites where the constituents are patterned in a periodic array, with a characteristic length scale on the order of several hundred microns. This control over mesostructure can be used to fabricate materials with precisely controlled shock dynamics tailored for a specific response e.g., shielding, munition casing, etc. In the present work, we use hydrocode simulations to determine the structure of planar impacts in periodic two-dimensional composites and to assess their ability to dissipate shock compression. Additionally, localized, geometry-induced wave scattering is related to the bulk dispersive properties of the material.
ISSN:0094-243X
1551-7616
DOI:10.1063/12.0000838