Center for Advanced Vehicular Systems
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Mission
CAVS is an interdisciplinary center. It provides engineering, research, development, and technology transfer teams focused on complex problems, such as those encountered in technologies designed to improve human mobility. The development efforts provide short-term solutions relevant to regional manufacturers while the core research builds longer-term knowledge needed for sustained economic development. At the same time students gain valuable project experience that compliments their formal classroom learning.Spotlight on Research
A material’s mechanical response to applied forces, that is, its resistance to applied forces may vary significantly, depending on the rate at which the forces are applied. Understanding and modeling of this phenomenon is important for understanding how structures such as buildings, bridges, vehicles, and the human body will respond when loaded at high rates.
To characterize a materials mechanical response to loads that are applied at high rates, the Center for Advanced Vehicular Systems utilizes the split Hopkinson bar test. The basic method and general theory for Hopkinson bar testing have been in use in some form since Dr. John Hopkinson’s initial testing in the 1870’s. CAVS currently has the capability to perform compression (left figure), tension and torsion testing (right) at strain rates that range from approximately 500/s to 5000/s on metals. This summer, CAVS will begin extending our testing capabilities to viscoelastic materials such as rubber, as well as, geologic materials such as sand.
Past Spotlights
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