Asymptotic approximation of a periodic solution of the second boundary-value problem for systems with small diffusion

1991 ◽  
Vol 49 (5) ◽  
pp. 463-466
Author(s):  
A. B. Vasil'eva ◽  
V. T. Volkov
Keyword(s):  
Periodic Solution ◽  
Boundary Value Problem ◽  
Asymptotic Approximation ◽  
Boundary Value ◽  
Small Diffusion

scholarly journals Simulation of the process of water purification in multilayered micro porous media

2019 ◽  
pp. 61-63
Author(s):  
Olena Prysiazhniuk ◽  
Andrii Safonyk ◽  
Anna Terebus
Keyword(s):  
Mathematical Model ◽  
Porous Media ◽  
Boundary Value Problem ◽  
Water Purification ◽  
Asymptotic Approximation ◽  
Boundary Value ◽  
Singularly Perturbed ◽  
The Mathematical Model ◽  
Purification Of Water

The mathematical model of the process of adsorption purification of water from impurities in multilayer microporous filters is formulated. An algorithm for numerically-asymptotic approximation of solution of the corresponding nonlinear singularly perturbed boundary value problem is developed. The developed model allows to investigate the distribution of concentration of pollutant inside the filer.

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