University of Missouri researchers designed a prototype of a small, lightweight active ‘metamaterial’ that can control the direction and intensity of energy waves. Professor Guoliang Huang of the University of Missouri has developed a prototype metamaterial that can control the direction and inte
A prototype innovative metamaterial with unconventional properties employs electrical signals to control the direction and intensity of energy waves traversing a solid. This innovative metamaterial, characterized by odd mass density, presents a divergence from Newton’s second law, as force and acceleration do not go in the same direction.
Professor Guoliang Huang of the University of Missouri has developed a prototype metamaterial that can control the direction and intensity of energy waves using electrical signals. The innovative material has potential applications in the military and commercial sectors, and can also be used to monitor the structural health of bridges and pipelines.
Huang’s goal is to help control the “elastic” energy waves traveling through larger structures — such as an aircraft — without light and small “metastructures.” “For many years I’ve been working on the challenge of how to use mathematical mechanics to solve engineering problems,” Huang said. “Conventional methods have many limitations, including size and weight. So, I’ve been exploring how we can find an alternative solution using a lightweight material that’s small but can still control the low-frequency vibration coming from a larger structure, like an aircraft.”Now, Huang’s one step closer to his goal.
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