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Information × Registration Number 0207U000099, 0103U000332 , R & D reports Title Development of the knowledge-based system for the safety service of the complex 3D piping popup.stage_title Head Krasowsky Arnold, Registration Date 09-01-2007 Organization Institute for problems of strength NASci of Ukraine popup.description2 The knowledge-based system "Strength " for the safety service exploitation of the complex 3D piping is developed, which has three basic possibilities: saving of all information about a pipeline; editing and bringing of a new additional information; implementation of computations of the stress-strain state. A new method for the analysis of the stress-strain state of the circular toroidal elastic shells is given, the phenomenon of elongation pipe bend is explored. The analytical method for the analysis of end effect in pipe bend is developed, due to bending moment and taking into account action of internal pressure. The stress state of underground curvilinear zones of the pipeline system is explored. Strength of elements of the pipeline system with defects is explored. The model of the limit-plastic state is built, on the basis of last one the expression for connection of maximum pressure with the geometrical parameters of pipe is got Product Description popup.authors popup.nrat_date 2020-04-02 Close