Constructing the grid orthogonal and having the given nodal clustering near the boundary of a two-dimensional domain |
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Authors: | B N Azarenok |
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Affiliation: | (1) Computing Center of Russian Academy of Sciences, Vavilov str. 40, Moscow, 119333, Russia |
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Abstract: | A problem of constructing a structured countable grid in a two-dimensional domain by mapping a parametric domain with the
given quadratic grid onto this two-dimensional domain is considered. The Dirichlet problem is solved for a system of quasi-linear
elliptic differential second-order equations to find mapping functions. An additional local mapping that gives the control
metric is used to control coordinate lines of the grid. The additional mapping helps obtain the grid with the grid lines of
one family orthogonal near the boundary of the domain and having the given clustering of the grid lines of another family
towards the boundary of the domain. An example that constructs the grid around the airfoil is given. |
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Keywords: | |
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