Zobrazeno 1 - 10
of 177
pro vyhledávání: '"V.G. Ferreira"'
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 42, Iss , Pp 101124- (2022)
Study region: The Upper East Region, Ghana, West Africa, lies within the Volta Basin, floods annually, and contributes substantially to Ghana’s food production. Study focus: We assessed precipitation (P), evapotranspiration (ET), and total water st
Externí odkaz:
https://doaj.org/article/4673bc60a5144bcd94df670a70d087de
Publikováno v:
Journal of Hydrology: Regional Studies, Vol 36, Iss , Pp 100862- (2021)
Study region: The Niger River basin (NRB) at Niamey, West Africa. Study focus: Two approaches to estimate the cross-section of rivers based solely on satellite imagery (or digital elevation model, DEM) and altimetry for a large data-deficient region
Externí odkaz:
https://doaj.org/article/75ffd97be0da43b286f37ede9154e961
Publikováno v:
Trends in Computational and Applied Mathematics, Vol 9, Iss 2 (2008)
In this work, a new high resolution TVD scheme for unsteady flows with shock waves is presented. The performance of the scheme is investigated for solving Burgers and Euler’s equations. In particular, 1D shock tubes, 1D inviscid turbulence (Burgers
Externí odkaz:
https://doaj.org/article/183f008c37c8439ca013265b18a3b73a
Publikováno v:
Trends in Computational and Applied Mathematics, Vol 7, Iss 2 (2006)
Neste trabalho, esquemas “upwind” modernos de alta ordem e limitados são analisados/implementados no ambiente de simulação Freeflow-2D. O objetivo é a simulação numérica bidimensional de escoamentos de fluidos incompressíveis a altos valo
Externí odkaz:
https://doaj.org/article/d3c37a8aff594169aaaf56ea3b96528e
Publikováno v:
Trends in Computational and Applied Mathematics, Vol 6, Iss 1 (2005)
The present work is concerned with a study of numerical schemes for solving two-dimensional time-dependent incompressible free-surface fluid flow problems. The primitive variable flow equations are discretized by the finite difference method. A proje
Externí odkaz:
https://doaj.org/article/4db7e511bc094474960fb8605d4fd691
Publikováno v:
Trends in Computational and Applied Mathematics, Vol 5, Iss 2 (2004)
Implicit schemes are studied with the purpose of introducing them in the two-dimensional GENSMAC method, for the numerical solution of unsteady newtonian incompressible flows. By using the fractional-step approach, the Freeflow2D simulation system is
Externí odkaz:
https://doaj.org/article/fd9bcabfee0a4a0eaf14ec7d192a924b
Publikováno v:
Trends in Computational and Applied Mathematics, Vol 5, Iss 2 (2004)
This work is concerned with the development of a numerical technique for solving free surface flows of a Maxwell fluid. The governing equations for the flow of a Maxwell type fluid together with appropriate boundary conditions are given. The free sur
Externí odkaz:
https://doaj.org/article/1405b26044494b4bbf8066bf0752f270
Publikováno v:
Trends in Computational and Applied Mathematics, Vol 4, Iss 1 (2003)
O objetivo do presente trabalho é estender o ambiente de simulação FreeFlow-3D para a solução numérica de problemas de escoamentos incompreessíveis, com superfícies livres e com influência de temperatura.
Externí odkaz:
https://doaj.org/article/d90de20f0b13476192889e3b968e06f9
Autor:
V.G. Ferreira, J.A. Cuminato, M.F. Tomé, A.O. Fortuna, N. Mangiavachi, A.F. Castelo, L.G. Nonato
Publikováno v:
Trends in Computational and Applied Mathematics, Vol 2, Iss 1 (2001)
O bom desempenho do algoritmo numérico é o pré-requisito essencial para a simulação de escoamentos em regime turbulento.
Externí odkaz:
https://doaj.org/article/37e220f36ed64f4781f5acf23ba4c68c
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