Work of steel in elastic-plastic zone with unloading. Part 1
Testing the iterative method for calculating the elastic-plastic deformation of a bending steel element of rectangular cross-section made of steel C235 with unloading by the initial modulus of elasticity in LIRA-SAPR 2021
The first video presents the results of verification in LIRA-SAPR 2021 of the process of modeling the operation of a bending steel element of rectangular cross-section made of steel C235 in pure bending mode under elastic-plastic deformation with full unloading by the initial modulus of elasticity with an assessment and analysis of the results of calculating the residual radius and residual stresses unevenly distributed along the height of the section.
Timing:
00:00 Introduction
01:23 Initial data;
03:10 Briefly about residual stresses;
05:00 Results of the analytical solution for pure beam bending;
06:38 Modeling the calculation element in LIRA-SAPR;
07:30 Results of calculation for elastic-plastic deformation;
09:38 Results of calculation for elastic-plastic deformation with unloading;
12:19 Conclusions;
15:30 Relevance of residual stress calculation tasks in the construction industry. Frameless arched roofing systems of Zeman technology, Austria;
16:14 Pipes, arched supporting systems of ZiS frames made of rolled steel, Molodechno range;
Part 2: • Работа стали в упруго-пластической зоне с ...
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