Autor: Pozorski, J. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The influence of thermal actions and complex support conditions on the mechanical state of sandwich structure
Autorzy:: Błaszczuk, J.
Pozorski, Z.
Powiązania:: https://bibliotekanauki.pl/articles/123021.pdf
Data publikacji:: 2013
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: sandwich panels
thermal actions
boundary conditions
elastic supports
Opis:: The paper concerns the problem of the influence of thermal actions on the structural behavior of sandwich panels with unspecified elastic supports. An ordinary sandwich panel theory is used. The boundary conditions have the arbitrary form of elastic supports. The solution of a statically undetermined system with limitations of horizontal displacement and rotation is derived. The illustrative examples are presented and the problem solution is discussed.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2013, 12, 4; 13-21
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The influence of the core orthotropy on the wrinkling of sandwich panels
Autorzy:: Pozorska, J.
Pozorski, Z.
Powiązania:: https://bibliotekanauki.pl/articles/122411.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: sandwich panels
wrinkling
soft-core
orthotropic material
Opis:: The paper concerns the phenomenon of wrinkling of compressed facing of a sandwich panel. The parametric analysis of the numerical model of the sandwich panel with a soft core is presented. The core was assumed as an elastic orthotropic material. The results of numerical simulations show the sensitivity of a sandwich structure to the variations of the core parameters. The results are evaluated qualitatively and quantitatively.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2015, 14, 4; 133-138
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: The numerical model of sandwich panels used for specifying wrinkling stress
Autorzy:: Pozorska, J.
Pozorski, Z.
Powiązania:: https://bibliotekanauki.pl/articles/122730.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: sandwich panels
local instability
wrinkling stress
numerical simulations
płyty warstwowe
niestabilność lokalna
symulacje numeryczne
Opis:: The paper presents a numerical model, which allows one to determine the wrinkling stress in sandwich panels. The wrinkling of the compressed face of sandwich panel can be caused by a bending moment or axial force. The developed model enables one to take into account various boundary conditions and micro-profiling of sandwich faces. Damage initiation and propagation in the interface between the face and the sandwich core is defined, too. The numerical procedures and parameters of the FE model are discussed. The obtained solutions are related to the results of actual experiments.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2014, 13, 3; 187-194
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Static response of thermally loaded sandwich beams with confined horizontal displacements of faces at the supports
Autorzy:: Pozorska, J.
Pozorski, Z.
Powiązania:: https://bibliotekanauki.pl/articles/122764.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: sandwich panels
thermal actions
boundary conditions
elastic supports
płyty warstwowe
warunki brzegowe
Opis:: The paper examines the problem of the influence of restrictions on freedom of horizontal displacements in thermally loaded sandwich beams. The classical theory of sandwich beams and panels with thin facings and a soft core has been applied. It was assumed that the cross-section of the beam could be asymmetric geometrically and materially. The beam has vertical supports and additional horizontal supports limiting the freedom of horizontal displacements. The supports are linearly elastic and the rigidity of the upper and lower support can be arbitrary. The static problem of single-span beam with support conditions identical at both ends of the beam was solved in the paper. Each of the sandwich facings has been subjected to temperature change. The derived formulas were used in the example illustrating the importance of the problem.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2014, 13, 2; 119-126
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Numerical simulations of structural behavior of sandwich panels subjected to concentrated static loads
Autorzy:: Pozorska, J.
Pozorski, Z.
Janik, Ł.
Powiązania:: https://bibliotekanauki.pl/articles/122579.pdf
Data publikacji:: 2017
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: sandwich panels
concentrated loads
numerical simulations
local effects
effective width method
panel warstwowy
symulacje numeryczne
panel dachowy
panel ścienny
Opis:: The paper presents numerical simulations of the behavior of sandwich panels loaded by static concentrated force. Two model classes (2D and 3D) are considered, and the results are compared with the effective width method. The comparison mainly concerns the displacements and stresses in the facings. The obtained results indicate the areas of conformity between the models but also show significant differences between them. The observed local effects are discussed and the surprising location of extreme stress in the facings is demonstrated.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2017, 16, 2; 113-121
2299-9965
Pojawia się w:: Journal of Applied Mathematics and Computational Mechanics
Dostawca treści:: Biblioteka Nauki

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