Please use this identifier to cite or link to this item: http://hdl.handle.net/10553/47209
Title: 3-D modelling of wind field adjustment using finite differences in a terrain conformal coordinate system
Authors: Montero, G. 
Sanín, N.
UNESCO Clasification: 12 Matemáticas
Keywords: 3-D wind simulation
Finite differences
Mass consistent models
Issue Date: 2001
Journal: Journal of Wind Engineering and Industrial Aerodynamics 
Abstract: A mass consistent model is developed in order to obtain a wind field which adjusts to an initial one. For the construction of the initial field, horizontal interpolation is considered at the level of the measure stations over the terrain. From these values, vertical wind profiles are built according to atmospheric stability conditions, terrain roughness, geostrophic wind, atmospheric stratification. The problem is formulated in terms of an incompressible fluid with no-flow-through conditions on the terrain. The adjustment is carried out by minimizing a least-square function. Lagrange multipliers technique leads to an elliptic problem, which is discretized using finite-differences schemes after applying a proposed system of terrain conformal coordinate. This change not only simplifies the mesh generation, but leads to simpler boundary conditions and allows the definition o:F the vertical spacing with more resolution near the terrain without affecting the efficiency. Finally, the numerical model is applied to realistic data corresponding to the Island of La Palma (Canary Islands).
URI: http://hdl.handle.net/10553/47209
ISSN: 0167-6105
DOI: 10.1016/S0167-6105(00)00075-1
Source: Journal of Wind Engineering and Industrial Aerodynamics [ISSN 0167-6105], v. 89 (5), p. 471-488
Appears in Collections:Artículos
Show full item record

SCOPUSTM   
Citations

20
checked on Aug 1, 2021

Page view(s)

40
checked on Jul 17, 2021

Google ScholarTM

Check

Altmetric


Share



Export metadata



Items in accedaCRIS are protected by copyright, with all rights reserved, unless otherwise indicated.