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Orthogonal curvilinear grid generation
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1995
[PDF-14.37 MB]
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Description:"Numerical methods of generating curvilinear orthogonal grids to be used by the Princeton Ocean Model are described. The concept of orthogonality is discussed and two methods for generating curvilinear orthogonal grids are explained in detail. Other approaches to generating an orthogonal grid are briefly mentioned. Properties along the parametric line are determined using the cubic spline interpolation technique. Orthogonality is assumed to hold either (1) at the center of a line segment intersecting two other lines (i.e., at two opposite sides of a cell), or (2) at the center of a cell. The key feature of the present methodology of generating curvilinear orthogonal grids is that by using three or more Given Lines, the orientation of cells deep within the domain can be controlled. Therefore, grids can be constructed that closely follow coastlines, channels, or barriers. Several applications of each method are discussed."
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Rights Information:Public Domain
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Compliance:Library
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