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The analytical investigation of the real bodies behaviour in measuring systems with the shift

By Gorbunov Pavel Mikhajlovich

Abstract

The object of investigation: the elastic-viscous elements of a measuring instrument. The purpose of the work: the physico-mathematical modeling of the different bodies in the viscosimeter, type plane-plane and torsional pendulum, the investigation of the mutual effect of the sample elements and measuring instrument, the analytical solving of the elastic-viscosity problems and comparison of the solutions with the experimental data on the tungsten and the number of polymeres creep. The new approach to the formulation of basic model problems about the elastic-viscous medium flow with the flat-parallel shift and movement of the torsional pendulum has been offered.The theorems of the uniqueness and smoothness of a solution have been proved. On the base of the obtained solutions, the new classification of types of the deformation of the elastic-viscous medium has been offered. The obtained results allow to explain the behaviour of the tungsten and the number of polymeres creep curves; to develop the recommendations on designing and operating the measuring instruments; to calculate the physical characteristics of the materials on transient processes of the samples deformation without destruction of its microstructure; to compile the test programs for solving the nonlinear problems of the elastic-viscosity using numerical methodsAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

Topics: 20H - Metrology, MECHANICS,INSTRUMENT ENGINEERING
Year: 1992
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Provided by: OpenGrey Repository
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