Variational-difference method in the problem of the vibrations of laminated plates

1992 ◽  
Vol 28 (8) ◽  
pp. 506-511 ◽  
Author(s):  
V. G. Piskunov ◽  
Yu. M. Fedorenko ◽  
A. E. Stepanova
Keyword(s):  
Difference Method ◽  
Laminated Plates ◽  
Variational Difference Method

Design of thick slabs by the variational-difference method

1991 ◽  
Vol 27 (6) ◽  
pp. 558-563
Author(s):  
V. I. Akimova ◽  
N. A. Shul'ga
Keyword(s):  
Difference Method ◽  
Variational Difference Method

scholarly journals Comparative analysis of the results of determining the parameters of the stress-strain state of equal slope shell

2019 ◽  
Vol 15 (5) ◽  
pp. 374-383
Author(s):  
Vyacheslav N. Ivanov ◽  
Olga O. Alyoshina
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Difference Method ◽  
Strain State ◽  
The Finite Element Method ◽  
Stress Strain ◽  
Slope Shell ◽  
Stress Strain State ◽  
Variational Difference Method ◽  
Element Method

Relevance. Thin-walled structures of shells constitute a large class in architecture, in civil and industrial construction, mechanical engineering and instrument making, aircraft, rocket and shipbuilding, etc. Each surface has certain ad-vantages over the other. So the torso surface can be deployed on the plane of all its points without folds and breaks, with the length of the curves and the angles between any curves belonging to the surface, do not change. The investigation of the stressstrain state of the equal slope shell with a director ellipse at the base is presented to date in a small volume. The aim of the work. Obtaining data for comparative analysis of the results of the stress-strain state of equal slope shells by the finite element method and the variational-difference method. Methods. To assess the stressstrain state of the equal slope shell, the SCAD Office computer complex based on the finite element method and the “PLATEVRM” program, written on the basis of the variational-difference method, are used. Results. The numerical results of the stress-strain state of the equal slope shell are obtained and analyzed, the pros and cons of the results of calculations by the finite element method and the variational-difference method are revealed.

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