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Grid Generation Excel Spreadsheet Calculator

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Engineering Excel Spreadsheet

This workbook implements elliptic grid generation for a converging-diverging nozzle.  Scrollbars allow the user to input the nozzle contour of his or her choice.   The VBA coding implements a well-known scheme for elliptic grid generation.  The user can select either a pair of Laplace or Poisson equations.  In the latter case there is some control given over the magnitude of the Poisson terms, which may be used to attract or repel grid lines from the boundaries and to affect the angles at which lines intersect the boundaries.  The case seen in the figure uses both.

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