12 results for “Dynamic Material Properties”

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Research ArticleOpen accessAll words, across the recordTunability Performance of Reflectarrays Based on Non-Linear Material PropertiesM. Y. Ismail, M. Hashim DahriLimited phase range and narrower bandwidth are the main performance limitations of reflectarray antennas for high gain applications which result in the performance to be restricted particularly in satellite and earth observatory systems. This study provides a thorough investigation on the tunability performance of reflectarrays designed in X-band frequency range using different non-linear dielectric substrates. An investigation of phase agility … …American Journal of Engineering and Applied Sciences, Vol. 6, Issue 1 · 6 Feb 2013 · 7,450 accessesView PDF Cite

Research ArticleOpen accessAll words, across the recordInterfragmentary ModulusBoonthum WongchaiProblem statement: Young’s modulus and interfragmentary strain (εIF) are the important parameters in bone-plate testing and design. But Young’s modulus is not suitable when we use with εIF in the bone-plate testing. Approach: This research proposed a study on the Interfragmentary Modulus (IM) as the new parameter for the bone-plate testing. Results: The results from the FEM show that the … …American Journal of Applied Sciences, Vol. 9, Issue 3 · 26 Jan 2012 · 7,073 accessesView PDF Cite