Dariusz Gąsiorowski - Publikacje - MOST Wiedzy

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Rok 2022
  • Impact of the Finite Element Mesh Structure on the Solution Accuracy of a Two-Dimensional Kinematic Wave Equation
    Publikacja

    - Water - Rok 2022

    The paper presents the influence of the finite element mesh structure on the accuracy of the numerical solution of a two-dimensional linear kinematic wave equation. This equation was solved using a two-level scheme for time integration and a modified finite element method with triangular elements for space discretization. The accuracy analysis of the applied scheme was performed using a modified equation method for three different...

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  • Inverse Flood Routing Using Simplified Flow Equations
    Publikacja

    - WATER RESOURCES MANAGEMENT - Rok 2022

    The paper considers the problem of inverse flood routing in reservoir operation strategy. The aim of the work is to investigate the possibility of determining the hydrograph at the upstream end based on the hydrograph required at the downstream end using simplified open channel flow models. To accomplish this, the linear kinematic wave equation, the diffusive wave equation and the linear Muskingum equation are considered. To achieve...

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Rok 2021
Rok 2020
Rok 2019
Rok 2018
  • Dimensionally Consistent Nonlinear Muskingum Equation

    Although the Muskingum equation was proposed nearly 75 years ago, it is still a subject of active research. Despite of its simple form, the real properties of this equation have not been comprehensively explained. This paper proposes a new interpretation of the linear McCarthy’s relation. This relation can be interpreted only together with the storage equation, whereas the Muskingum equation can be derived directly from the system...

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  • Hydraulic potential of the Lower Vistula (Poland)

    The Vistula is the largest river in Poland. Lower Vistula (part of the river discussed in this paper) is almost four hundred kilometers long river section extending from the tributary Narew to the outflow to the Baltic Sea. In the 17th century the Vistula was the most navigable river in Europe. After partitioning of Poland the Vistula lost its significance. Now the Lower Vistula should provide a navigation connection to the Europe...

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  • Numerical Analysis of Steady Gradually Varied Flow in Open Channel Networks with Hydraulic Structures
    Publikacja

    In this paper, a method for numerical analysis of steady gradually varied fl ow in channel networks with hydraulic structures is considered. For this purpose, a boundary problem for the system of ordinary differential equations consisting of energy equation and mass conservation equations is formulated. The boundary problem is solved using fi nite difference technique which leads to the system of non-linear algebraic equations....

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Rok 2016
Rok 2015
Rok 2014
Rok 2013
Rok 2012
Rok 2011
  • Solution of the dike-break problem using finite volume method and splitting technique
    Publikacja

    In the paper the finite volume method (FVM) is presented for the solution of two-dimensional shallow water equations. These equations are frequently used to simulate the dam-break and dike-break induced flows. The applied numerical algorithm of FVM is based on the wave-propagation algorithm which ensures a stable solution and simultaneously minimizes the numerical errors. The dimensional decomposition according to the coordinate...

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Rok 2009
Rok 2007

wyświetlono 1226 razy