Analytical modeling of metallic honeycomb for energy absorption and validation with FEA
June 15th, 2007
title: Analytical modeling of metallic honeycomb for the purpose vim absorption and validation with FEA authors: Jeyasingh, Vinoj Meshach Aaron
theoretical: Honeycomb materials endowed with high vigour absorption characteristics and are useful for the consequences protection of structural members. individual honeycomb configurations are being developed for a variety of applications. Analytical models are immediately accessible to judge the might absorption characteristics of the typical hexagonal type of honeycomb. respect, the development a parameterized analytical creme de la creme that can determine the power absorption characteristics of different honeycomb shapes is needed. In this research, a parameterized analytical carve out is developed suited for the normal honeycomb show improvement, and is validated using theoretical and finite element analysis. Honeycomb materials express strain-figure effects at bearing velocities. They can have higher ‚lan absorption during spirited crush than during quasi- crowd. In organization to determine the energy absorption of honeycomb tangible at higher velocity, the characterization of it necessity be made using high-impact testing machines, which are priceless and obsolete-consuming. Therefore, phenomenon of an analytical exemplar that can predict force absorption at higher velocities is needed. Also, tenor-rate coefficients must be fixed inasmuch as each particular epitome of honeycomb since the drift position depends on the geometrical properties of the honeycomb. for that reason, strain-rate coefficients were developed for each honeycomb model in this research. The vigour absorption of honeycombs at higher consequences velocities was also determined using the stumpy-velocity try out, which wish be helpful when only low-velocity machines are close by for testing honeycombs. definitely, a behaviour analysis was carried out using response surface methods to magnify vitality absorption of the honeycomb.
commentary: Thesis (Ph.D.)--Wichita official University, College of Engineering, Dept. of Mechanical Engineering.
theoretical: Honeycomb materials endowed with high vigour absorption characteristics and are useful for the consequences protection of structural members. individual honeycomb configurations are being developed for a variety of applications. Analytical models are immediately accessible to judge the might absorption characteristics of the typical hexagonal type of honeycomb. respect, the development a parameterized analytical creme de la creme that can determine the power absorption characteristics of different honeycomb shapes is needed. In this research, a parameterized analytical carve out is developed suited for the normal honeycomb show improvement, and is validated using theoretical and finite element analysis. Honeycomb materials express strain-figure effects at bearing velocities. They can have higher ‚lan absorption during spirited crush than during quasi- crowd. In organization to determine the energy absorption of honeycomb tangible at higher velocity, the characterization of it necessity be made using high-impact testing machines, which are priceless and obsolete-consuming. Therefore, phenomenon of an analytical exemplar that can predict force absorption at higher velocities is needed. Also, tenor-rate coefficients must be fixed inasmuch as each particular epitome of honeycomb since the drift position depends on the geometrical properties of the honeycomb. for that reason, strain-rate coefficients were developed for each honeycomb model in this research. The vigour absorption of honeycombs at higher consequences velocities was also determined using the stumpy-velocity try out, which wish be helpful when only low-velocity machines are close by for testing honeycombs. definitely, a behaviour analysis was carried out using response surface methods to magnify vitality absorption of the honeycomb.
commentary: Thesis (Ph.D.)--Wichita official University, College of Engineering, Dept. of Mechanical Engineering.
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