Wszystkie pola: thermoviscoelasticity - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Stress concentration at the circular hole of cyclically bent layered composite plate within the framework of a moment theory of thermoviscoelasticity
Autorzy:: Katunin, A.
Powiązania:: https://bibliotekanauki.pl/articles/122724.pdf
Data publikacji:: 2014
Wydawca:: Politechnika Częstochowska. Wydawnictwo Politechniki Częstochowskiej
Tematy:: moment theory of thermoviscoelasticity
self-heating effect
composite plate
teoria momentów termolepkosprężystości
efekt samorozgrzania
płyta kompozytowa
Opis:: In the continuum mechanics there is a class of problems that cannot be solved directly or the solutions of these problems are affected by large errors when the classical equations of thermoviscoelasticity are considered. The paper discusses a special case of such problems - the cyclic bending of a composite plate with a circular hole subjected to the stationary self-heating, which was solved within the framework of a moment theory of thermoviscoelasticity.
Źródło:: Journal of Applied Mathematics and Computational Mechanics; 2014, 13, 3; 75-83
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:: Optimal control for a class of mechanical thermoviscoelastic frictional contact problems
Autorzy:: Denkowski, Z.
Migórski, S.
Ochal, A.
Powiązania:: https://bibliotekanauki.pl/articles/970268.pdf
Data publikacji:: 2007
Wydawca:: Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:: control problem
hemivariational inequality
thermoviscoelasticity
friction
nonconvexity
nonmonotonnicity
semi-continuity
multifunction
Opis:: We study optimal control of systems governed by a coupled system of hemivariational inequalities, modeling a dynamic thermoviscoelastic problem, which describes frictional contact between a body and a foundation. We employ the Kelvin-Voigt vis-coelastic law, include the thermal effects and consider the general nonmonotone and multivalued subdifferential boundary conditions. We consider optimal control problem for boundary and distributed parameter control systems, time optimal control problem and maximum stay control problem. We deliver conditions that guarantee the existence of optimal solutions.
Źródło:: Control and Cybernetics; 2007, 36, 3; 611-632
0324-8569
Pojawia się w:: Control and Cybernetics
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Magnetothermoelastic vibrations on a viscoelastic microbeam subjected to a laser heat source
Autorzy:: Abouelregal, A. E.
Zenkour, A. M.
Powiązania:: https://bibliotekanauki.pl/articles/38614523.pdf
Data publikacji:: 2021
Wydawca:: Instytut Podstawowych Problemów Techniki PAN
Tematy:: thermoviscoelasticity
microbeams
laser pulse
magnetic field
Opis:: The linear theory of viscoelasticity remains an important field of research like most solids and polymer materials when exposed to a vicious dynamic loading effect. This article introduces a new model for describing the behavior of thermoviscoelastic microbeams considering the effects of temperature change and the longitudinal magnetic field. The governing equations in this model are derived based on the Euler–Bernoulli beam theory, Kelvin–Voigt model of viscosity, the generalized thermoelasticity, and the classical Maxwell equations. The two ends of the microbeam are clamped and subjected to the influence of a laser pulse with a temporal intensity profile. The analytical solutions to the physical fields are evaluated using the Laplace transform and its inversion transforms are performed numerically. The thermo-viscoelastic responses of the microbeam are calculated numerically and investigated graphically. The effect of different parameters such as viscosity, laser intensity, and the magnitude of the magnetic field are studied in detail.
Źródło:: Archives of Mechanics; 2021, 73, 1; 3-26
0373-2029
Pojawia się w:: Archives of Mechanics
Dostawca treści:: Biblioteka Nauki

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