Open AccessRate of deformation in the cross section of a spatially curved rod with various assumptions
Author(s) -
Yu. L. Rutman,
Vladimir Meleshko
Publication year - 2021
Publication title -
vestnik graždanskih inženerov
Language(s) - English
Resource type - Journals
ISSN - 1999-5571
DOI - 10.23968/1999-5571-2021-18-3-76-83
Subject(s) - torsion (gastropod) , kinematics , deformation (meteorology) , cross section (physics) , section (typography) , stiffness , nonlinear system , shear (geology) , geometry , distortion (music) , structural engineering , mechanics , materials science , geology , mathematics , physics , classical mechanics , engineering , computer science , composite material , medicine , amplifier , surgery , cmos , quantum mechanics , optoelectronics , operating system
The article considers incremental relations connecting the changes in the kinematic parameters of the rod cross section with the deformation rate. These relations allow assessing the deformation rate on the elemental areas of a spatially curved rod, as well as considering the distortion of cross-section in its plane due to shear and torsion. Assessment of such relations between deformation rates and the rates of kinematic parameters allows developing the method of nonlinear calculation of rod systems based on integral expressions. Subsequently, these relations will be used for assessing the tangential stiffness of the rod element cross-section subjected to elastic-plastic calculation.