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Skip to Search Results- 1Azar, Austin
- 1Bhagavathula, Kapil Bharadwaj
- 1Hamidreza Ahmadimoghaddamseighalani
- 1Haoyang Li
- 1Koch, Brendan ML
- 1Matos Camarillo, Alejandro
- 2digital image correlation
- 2impact
- 2material characterization
- 2stress-strain response
- 2uniaxial compression testing
- 1Add-on hybrid armor models
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ON THE ABILITY OF PROTECTIVE HEADGEAR TO ALTER SKULL AND BRAIN KINETICS DURING BLAST AND IMPACT: AN EXPERIMENTAL STUDY USING A SURROGATE MODEL OF THE HUMAN HEAD WITH NOVEL INSTRUMENTATION
DownloadSpring 2019
Blast-induced traumatic brain injury (bTBI) has become increasingly prevalent among military personnel over recent years. Head protection is fielded to mitigate the amount of energy imparted to head, as a result of ballistic and impact exposure. Despite the efficacy of contemporary headgear in...
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A Study on the Microstructure, Rate-Dependent Mechanical Responses, and Failure Mechanisms of a Novel TiAl/Ti3Al-Al2O3 Cermet
DownloadSpring 2020
Detailed characterization and experimental studies have been carried out on a novel self-propagating high-temperature synthesized (γ + α2) – TiAl/Ti3Al-Al2O3 cermet to investigate the microstructure, rate-dependent mechanical response, and rate-dependent failure mechanisms under uniaxial...
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A Stochastic Finite Element Analysis Framework for the Multiple Physical Modeling of Filler Modified Polymers
DownloadSpring 2021
Hamidreza Ahmadimoghaddamseighalani
Polymers have various attractive properties (e.g., low volume mass density, low cost and excellent degradation resistance), and hence, they have become essential for a wide range of applications (e.g., aerospace, oil and gas and renewable energy industries). However, due to their limited...
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Fall 2021
This thesis is concerned with the experimental mechanics of brittle failure in advanced ceramics. It seeks to bridge global damage accumulation to local failure phenomena. Alumina serves as the primary model material. Other advanced ceramics (silicon carbide and boron carbide) and cermets are...
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Fall 2021
This thesis investigates the experimental mechanical behavior of polymeric foams, specifically studying the effects of microstructural features (pore size and wall thickness), foam density, and strain-rate-dependency on their stress-strain, lateral-axial strain, and failure. This thesis explores...
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Development of Multi-Functional Add-On Hybrid Armor Models and Designs used for Vehicle Protection
DownloadFall 2022
In the first part of this thesis, a validated polyurethane adhesive model is implemented into a system-scale ceramic/armor model for ballistic impact simulations. Here, the trilinear cohesive zone (TCZM) technique is used to simulate the dynamic failure of SikaForceTM6 7752-L60 polyurethane...
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Optical Measurement of Directional, Regional, and Strain Rate Dependent Mechanical Properties of Human Brain Tissue under Uniaxial Compression
DownloadSpring 2024
The brain is the most important central nervous system component, consisting of a complex network of neurons and glial cells essential for information processing, movement, and behavior control. While computational models have helped advance the development of diagnostic tools and the...