May 1, 2024

Harnessing Energy Waves: Smart Material Prototype Challenges Newton’s Laws of Motion

Huangs objective is to help control the “flexible” energy waves traveling through bigger structures– such as an aircraft– without light and little “metastructures.”.
The prototype metamaterial utilizes electrical signals transported by these black wires to manage both the instructions and intensity of energy waves going through a strong product. Credit: University of Missouri.
” For several years Ive been working on the challenge of how to use mathematical mechanics to solve engineering problems,” Huang said. “Conventional methods have numerous limitations, including size and weight. So, Ive been exploring how we can find an alternative option using a lightweight material thats small however can still manage the low-frequency vibration coming from a bigger structure, like an airplane.”.
Guoliang Huang. Credit: University of Missouri.
Now, Huangs one action more detailed to his objective. In a brand-new study published in the Proceedings of the National Academy of Sciences (PNAS) on May 18, Huang and coworkers have established a prototype metamaterial that utilizes electrical signals to control both the direction and intensity of energy waves going through a strong product.
Possible applications of his ingenious design include military and industrial uses, such as managing radar waves by directing them to scan a specific area for items or managing vibration developed by air turbulence from an aircraft in flight.
” This metamaterial has odd mass density,” Huang said. “So, the force and velocity are not entering the same direction, thereby offering us with a non-traditional way to tailor the style of a thingss structural dynamics, or residential or commercial properties to challenge Newtons second law.”.
This is the first physical realization of odd mass density, Huang said.
” For circumstances, this metamaterial could be helpful to keep track of the health of civil structures such as bridges and pipelines as active transducers by helping determine any potential damage that might be hard to see with the human eye.”.
Referral: “Active metamaterials for understanding odd mass density” by Qian Wu, Xianchen Xu, Honghua Qian, Shaoyun Wang, Rui Zhu, Zheng Yan, Hongbin Ma, Yangyang Chen and Guoliang Huang, 18 May 2023, Proceedings of the National Academy of Sciences.DOI: 10.1073/ pnas.2209829120.
Other MU factors include Qian Wu, Xianchen Xu, Honghua Qian, Shaoyun Wang, Zheng Yan and Hongbin Ma. Grants from the Air Force Office of Scientific Research and the Army Research Office moneyed the research study.

A model innovative metamaterial with unconventional residential or commercial properties utilizes electrical signals to control the direction and intensity of energy waves traversing a solid. This innovative metamaterial, identified by odd mass density, presents a divergence from Newtons second law, as force and velocity do not go in the same instructions. Huang imagines wide-ranging applications from military and commercial usages, such as managing radar waves or handling vibration from air turbulence in aircraft, to civil usages like keeping track of the health of structures like bridges and pipelines.
Ive been exploring how we can find an alternative service using a light-weight product thats little however can still control the low-frequency vibration coming from a bigger structure, like an aircraft.”.

A prototype innovative metamaterial with unconventional properties employs electrical signals to manage the direction and strength of energy waves traversing a solid. This ingenious metamaterial, identified by odd mass density, provides a divergence from Newtons second law, as force and acceleration do not go in the very same instructions. Huang imagines extensive applications from military and industrial usages, such as managing radar waves or managing vibration from air turbulence in aircraft, to civil uses like keeping track of the health of structures like pipelines and bridges.
University of Missouri researchers developed a model of a little, lightweight active metamaterial that can control the direction and strength of energy waves.
Professor Guoliang Huang of the University of Missouri has developed a model metamaterial that can control the instructions and intensity of energy waves using electrical signals. The innovative product has prospective applications in the business and military sectors, and can likewise be utilized to keep track of the structural health of pipelines and bridges.
For more than 10 years, Guoliang Huang, the Huber and Helen Croft Chair in Engineering at the University of Missouri, has actually been examining the unconventional homes of “metamaterials”– an artificial product that exhibits properties not frequently found in nature as specified by Newtons laws of motion– in his long-lasting pursuit of creating a perfect metamaterial.