Results 11 to 20 of about 2,628,231 (286)

Catalytic flow with a coupled Finite Difference -- Lattice Boltzmann scheme [PDF]

open access: yes, 2020
Many catalyst devices employ flow through porous structures, which leads to a complex macroscopic mass and heat transport. To unravel the detailed dynamics of the reactive gas flow, we present an all-encompassing model, consisting of thermal lattice ...
Berger, Daniel   +3 more
core   +3 more sources

Homogeneous Difference Schemes [PDF]

open access: yesUSSR Computational Mathematics and Mathematical Physics, 2001
Abstract Homogeneous difference schemes, suitable for transforming differential equations whose coefficients belong to certain classes of function into difference equations, are defined and discussed. The main points which arise are, first, whether the solution of the resulting difference equation converges to that of the original differential ...
Tikhonov, A. N., Samarskiĭ, A. A.
openaire   +2 more sources

Crewther's Relation in Different Schemes

open access: yesProceedings of 16th International Symposium on Radiative Corrections: Applications of Quantum Field Theory to Phenomenology — PoS(RADCOR2023), 2023
We examine Crewther's relation at high loop order in perturbative QCD and demonstrate how the relation is accommodated in gauge-parameter dependent schemes where the running of the gauge parameter has to be explicitly considered. Motivated by ensuring that the conformal properties of the relation are preserved at all the critical points of QCD ...
Mason, R. H., Gracey, J. A.
openaire   +2 more sources

On stability of the third order partial delay differential equation with involution and Dirichlet condition

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2021
In this paper the stability of the initial value problem for the third order partial delay differential equation with involution is investigated. The first order of accuracy absolute stable difference scheme for the solution of the differential problem ...
A. Ashyralyev, S. Ibrahim, E. Hincal
doaj   +1 more source

On the Crank-Nicolson difference scheme for the time-dependent source identification problem

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2021
In this study the source identification problem for the one-dimensional Schr¨odinger equation with non-local boundary conditions is considered. A second order of accuracy Crank-Nicolson difference scheme for the numerical solution of the differential ...
A. Ashyralyev, M. Urun
doaj   +1 more source

Quantization scheme for modular q-difference equations [PDF]

open access: yes, 2004
Modular pairs of some second order q-difference equations are considered. These equations may be interpreted as a quantum mechanics of a sort of hyperelliptic pendulum.
Sergeev, S.
core   +2 more sources

Mathematical modeling of the human capital dynamic [PDF]

open access: yesКомпьютерные исследования и моделирование, 2019
In the conditions of the development of modern economy, human capital is one of the main factors of economic growth. The formation of human capital begins with the birth of a person and continues throughout life, so the value of human capital is ...
Karolina Vyacheslavovna Ketova   +2 more
doaj   +1 more source

Investigation of the Stability and Convergence of Difference Schemes for the Three-dimensional Equations of the Atmospheric Boundary Layer [PDF]

open access: yesInternational Journal of Electronics and Telecommunications, 2018
In this article we construct a finite-difference scheme for the three-dimensional equations of the atmospheric boundary layer. The solvability of the mathematical model is proved and quality properties of the solutions are studied. A priori estimates are
Almas N. Temirbekov   +2 more
doaj   +1 more source

Mathematical modeling of the energy consumption problem

open access: yesҚарағанды университетінің хабаршысы. Математика сериясы, 2022
The importance of energy-saving and correct design is obvious for energy efficiency. Correct design means that before construction considerable things, such as orientation or isolation decisions, need to be made. This study gives a mathematical model of
A. Ashyralyev   +2 more
doaj   +1 more source

Solving the difference initial-boundary value problems by the operator exponential method [PDF]

open access: yes, 2000
We suggest a modification of the operator exponential method for the numerical solving the difference linear initial boundary value problems. The scheme is based on the representation of the difference operator for given boundary conditions as the ...
Andronov A   +7 more
core   +2 more sources

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