Stressed state of an anisotropic body with elliptical holes, elastic inclusions, and cracks

2000 ◽  
Vol 101 (6) ◽  
pp. 3708-3717
Author(s):  
S. A. Kaloerov ◽  
E. S. Goryanskaya ◽  
Y. B. Shapovalova
Keyword(s):  
Stressed State ◽  
Anisotropic Body ◽  
Elliptical Holes ◽  
Elastic Inclusions

Two-dimensional stressed state of an anisotropic body with holes, elastic inclusions, and cracks

2000 ◽  
Vol 101 (1) ◽  
pp. 2773-2779 ◽  
Author(s):  
S. A. Kaloerov ◽  
E. S. Goryanskaya ◽  
Yu. B. Shapovalova
Keyword(s):  
Stressed State ◽  
Anisotropic Body ◽  
Two Dimensional ◽  
Elastic Inclusions

Bending of sheets and profiles on a four-roll machine for rocket bodies, tube and frame products. Part 4

2020 ◽  
pp. 45-54
Author(s):  
V.A. Zharkov
Keyword(s):  
Mathematical Model ◽  
Stressed State ◽  
Sheet Stamping ◽  
Formation Of Cracks ◽  
Processing Steps

A theory and a mathematical model are developed for calculating the parameters of the strain-stressed state at the stages of pre-bending, calibration, straightening and bending of the straightened section, taking into account the strengthening of the billet on a roll machine. By CAD/CAE modeling the strains, stresses and forces acting on the billet from the rolls are investigated. Criteria for the formation of cracks, low accuracy and excessive springing of the billet after these processing steps are determined, recommendations are given for their elimination. Keywords billet, sheet stamping, bending, roll machine, pre-bending, calibration, straightening, bending of the straightened section, CAD/CAE modeling. [email protected]

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