Abstract
The issue of vibration damping occurs in many mechanical problems in the operation of various devices, in the automotive industry engineering, aerospace. In the case where damping by selection of the masses and dimensions is not possible due to various reasons or for other reasons it was abandoned, vibration dampers are used. Minimization of adverse impact of dynamic interaction effects is an important research and technical problem. Passive energy absorbers used today (complex of bumpers, passenger lifts buffers typically allows to the safe dissipation of energy within a certain range of loads. In the case of high-impact loading variability is desirable to use an adaptive energy absorption system capable of rapid change their dynamic characteristics. The main issue in the analysis of interactions impact of dynamic loads on objects is dispersion (dissipation) of kinetic energy during impact. In paper a description of model of internal damping was proposed with the proof the influence of component part of polynomial. For example elastomer material EPUNIT will be used to present prepare the buildings of model hyperdeform material. Was present conclusion of analyses systems hyperdeform composite materials.
Highlights
The issue of vibration damping occurs in many mechanical problems in the operation of various devices in the automotive industry engineering, aerospace
The features of elastomers materials were wildly examined in the activities [7,8,9,10], in this among other things segment polyurethane EPUNIT
Experimental investigations of EPUNIT material were conducted in connection with their possible use in motor vehicle and aircraft industry
Summary
The features of elastomers materials were wildly examined in the activities [7,8,9,10], in this among other things segment polyurethane EPUNIT. The results of executed tests and numerical calculation proved that the only odd components of explication had meaning the calculations one—accepted so the reduction, the components about numbers in modules of equation took into account i = 1, 3, 5 It the hysteresis loops in aim of comparison were executed: experimentally and used numerical calculation, by loading and unloading with slowly growing strength and dynamic in arrangement serf harmonic load. It was any tests variants considered: the samples materials differing with arrangement: the proportion of soft and straight piece, with regard on propriety of material—in different temperatures.
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