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Wyszukujesz frazę "the stability boundary" wg kryterium: Temat


Wyświetlanie 1-5 z 5
Tytuł:
Implicit difference methods for infinite systems of hyperbolic functional differential equations
Autorzy:
Szafrańska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/745990.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Matematyczne
Tematy:
initial boundary value problems
difference functional equations
difference methods
stability and convergence
interpolating operators
nonlinear estimates of the Perron type
Opis:
The paper deal with classical solutions of initial boundary value problems for infinite systems of nonlinear differential functional equations. Two types of difference schemes are constructed. First we show that solutions of our differential problem can be approximated by solutions of infinite difference functional schemes. In the second part of the paper we proof that solutions of finite difference systems approximate the solutions of aur differential problem. We give a complete convergence analysis for both types of difference methods. We adopt nonlinear estimates of the Perron type for given functions with respect to the functional variable. The proof of the stability is based on the comparison technique. Numerical examples are presented.
Źródło:
Commentationes Mathematicae; 2010, 50, 1
0373-8299
Pojawia się w:
Commentationes Mathematicae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Conditions of stability loss during the test of hydraulic forming of drawpieces. Part II. Discussion and analysis of the results
Autorzy:
Śloderbach, Z.
Powiązania:
https://bibliotekanauki.pl/articles/265430.pdf
Data publikacji:
2015
Wydawca:
Uniwersytet Zielonogórski. Oficyna Wydawnicza
Tematy:
hydraulic forming
stability loss
boundary strains
height of the drawpiece
normal and plane anisotropy
odkształcenia plastyczne
utrata stabilności
wytłoczki
Opis:
This part of the paper contains the calculation results presented in the form of suitable diagrams and tables. The calculations were made according to the relationships obtained in Part I devoted to a laboratory test of hydraulic forming for some chosen engineering conditions of stability loss. The influence of the coefficient of material hardening, the coefficient of normal anisotropy and the coefficients of plane anisotropy on acceptable plastic strains and heights of the formed drawpieces corresponding to a given condition of stability loss was tested, too.
Źródło:
International Journal of Applied Mechanics and Engineering; 2015, 20, 4; 928-938
1734-4492
2353-9003
Pojawia się w:
International Journal of Applied Mechanics and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Lipschitz stability of solutions to parametric optimal control for elliptic equations
Autorzy:
Malanowski, K.
Troeltzsch, F.
Powiązania:
https://bibliotekanauki.pl/articles/205516.pdf
Data publikacji:
2000
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
równanie eliptyczne
stabilność
sterowanie optymalne
elliptic equation
generalized equations
Lipschitz stability of the solutions
non-linear boundary control
parametric optimal control
Opis:
: A family of parameter dependent elliptic optimal control problems with nonlinear boundary control is considered. The control function is subject to amplitude constraints. A characterization of conditions is given under which solutions to the problems exist, are locally unique and Lipschitz continuous in a neighborhood of the reference value of the parameter.
Źródło:
Control and Cybernetics; 2000, 29, 1; 237-256
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Solution of inverse heat conduction equation with the use of Chebyshev polynomials
Autorzy:
Joachimiak, M.
Frąckowiak, A.
Ciałkowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/239926.pdf
Data publikacji:
2016
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
Laplace’s equation
boundary inverse problem
quasi-Cauchy problem
stability of the inverse problem
równanie Laplace'a
brzegowe zagadnienie odwrotne
Problem Quasi-Cauchy'ego
Opis:
A direct problem and an inverse problem for the Laplace’s equation was solved in this paper. Solution to the direct problem in a rectangle was sought in a form of finite linear combinations of Chebyshev polynomials. Calculations were made for a grid consisting of Chebyshev nodes, what allows us to use orthogonal properties of Chebyshev polynomials. Temperature distributions on the boundary for the inverse problem were determined using minimization of the functional being the measure of the difference between the measured and calculated values of temperature (boundary inverse problem). For the quasi-Cauchy problem, the distance between set values of temperature and heat flux on the boundary was minimized using the least square method. Influence of the value of random disturbance to the temperature measurement, of measurement points (distance from the boundary, where the temperature is not known) arrangement as well as of the thermocouple installation error on the stability of the inverse problem was analyzed.
Źródło:
Archives of Thermodynamics; 2016, 37, 4; 73-88
1231-0956
2083-6023
Pojawia się w:
Archives of Thermodynamics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Sustainability Management of Industrial Enterprises and an Assessment of its Effectiveness
Autorzy:
Danilava, Natalia
Powiązania:
https://bibliotekanauki.pl/articles/1390639.pdf
Data publikacji:
2016
Wydawca:
Wyższa Szkoła Bankowa w Poznaniu
Tematy:
: sustainable development (SD) of industrial enterprise
the system of sustainable development management
organizational structure of management
technology of transparent governance
monitoring of the business environment of an enterprise
the stability boundary
Opis:
The article deals with the concept of sustainable development (SD) management and conditions to achieve SD of an industrial enterprise. The structure of sustainability management is presented. It is proved that organizational structure of management is the basis for assessing the effectiveness of the SD of an enterprise. It is shown that to assess the effectiveness of the management of SD of the enterprise, there should be indicators used characterizing the level of manageability and the growth level of the organizational management structure. It is shown that with the help of an indicator like the manageability level, it is possible to determine the stability boundaries of an enterprise.
Źródło:
Studia Periegetica; 2016, 15(1); 45-53
1897-9262
2658-1736
Pojawia się w:
Studia Periegetica
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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