Modelling of cyclic shells with complex geometry three-dimensional finite elements

Yakupov, N. M.; Kiyamov, H. G.; Yakupov, S. N.

doi:10.1088/1742-6596/1158/4/042038

Cited by 3 publications

(1 citation statement)

References 1 publication

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The idea of a twodimensional spline option of the FEM, combining the idea of parametrizing the middle surface of the entire area under the question and the idea of the finite element method with bicubic approximation of the required variables within each element, was presented in [3][4][5]. To assess a stress-strain state of the elements of the thin-walled structures with local blind defects, it becomes necessary to study them in a three-dimensional formulation, in particular, as in [6][7][8][9][10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

To the calculation of the toroidal shell with a local deepening on the external and on the inner surface

2021

View full text Add to dashboard Cite

Thin-walled toroidal shells are widely used in the construction During operation, various defects appear on the surface of the shells, in particular, local depressions on the outer and inner surfaces, causing stress concentration in the structure. A three-dimensional spline option of the finite element method was developed to determine the stress-strain state of a toroidal shell with a local deepening on the outer and inner surface. The numerical experiments were carried out. The regularities of the changes in a stress-strain state of the shell with the change in the geometric parameters of the deepening were noted.

show abstract

Section: Introductionmentioning

confidence: 99%

To the calculation of the toroidal shell with a local deepening on the external and on the inner surface

2021

View full text Add to dashboard Cite

show abstract

To the Calculation of Reinforced Structural Elements of Complex Geometry

Yakupov,

Kiyamov,

Yakupov

2023

Lobachevskii J Math

View full text Add to dashboard Cite

Diagnostics of thin-walled structures of complex geometry and structure

Yakupov

2021

Struct. Mech. of Eng. Const. and Build

View full text Add to dashboard Cite

The main stages of the birth of thin-walled structures, changes in their relative thickness and mass of a unit area are given; ways of creating perfect thin-walled structures are indicated. The problems arising during the operation of thin-walled structures of complex geometry, as well as approaches and methods of their calculation are noted. To ensure trouble-free operation of a thin-walled structure with a thin-layer coating, under load and exposed to physical fields and environments, it is necessary to correctly diagnose the condition of structural elements. The spline variant of the finite element method in two-dimensional (SV FEM-2) and three-dimensional (SV FEM-3) productions is noted, as well as the synthesis of these variants - SV FEM-2 + SV FEM-3. The combination of the idea of parametrization of the entire domain and approximation of the desired variables within the element by Hermitian cubic splines makes it possible to obtain high-precision consistent finite elements. The developed variants of the finite element method make it possible to evaluate the stress-strain state of structures of complex geometry, including the calculation of multilayer, thin-walled structures with coating and local defects, as well as to take into account specific surface properties other than those of the main array. Studies of stress concentration near local depressions are considered. Two-dimensional experimental and theoretical methods are noted for evaluating the stiffness properties and adhesion of thin-walled, thin-layer and composite structural elements of complex structure, which, along with a distributed complex structure, may have distributed defects. The developments were used in solving specific tasks of a number of enterprises.

show abstract

Modelling of cyclic shells with complex geometry three-dimensional finite elements

Cited by 3 publications

References 1 publication

To the calculation of the toroidal shell with a local deepening on the external and on the inner surface

To the calculation of the toroidal shell with a local deepening on the external and on the inner surface

To the Calculation of Reinforced Structural Elements of Complex Geometry

Diagnostics of thin-walled structures of complex geometry and structure

Contact Info

Product

Resources

About