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Optimization of flexible rod members under static and permanent dynamic loads

By Serpak Igor Olegovitch


Subject of inqury: elastic spatially curved rods, springs, tubular spiral coil pipes, space loop aerials. The aim of the work is to develop efficient methods and software for optimizatioe of flexible rods of arbitrary configuration based upon simultaneous application of slender columns theory, optimum designing and nonlinear programming. A new method has been developed for solving infinite-dimensional and finite-dimensional problems of optimization of flexible spatially-curved rods based on the usage of method of non-orthogonal designing of gradient to the tolerable subspace of limits and on the analysis of projects sensitivity to variations of control functions. Technique, algorithms and program part have been developed for computation and optimal designing of flexible spatially-curved rods with variable along the length of the rod geometrical characteristics of the axis and transversal cross-section which allow to efficiently take into account the peculiarities of the specified elements heavy-duty operation. The design technique and the developed applied program part has been introduced into real design practice at "Energy" Scientific Industrial Association resulting in time redusing for the development of new constructions when designing flexible elastic elements of loop aerials, springs, spiral tubular coil pipes. Field of application: development and designing of flexible rod members in radio engineering, power plant industry, instrument engineeing, space technology, transport, civil engineeringAvailable from VNTIC / VNTIC - Scientific & Technical Information Centre of RussiaSIGLERURussian Federatio

Year: 1992
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Provided by: OpenGrey Repository
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