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AXISYMMETRIC | AXI-SYM - Axisymmetric flow

Structured Grids


This keyword allows a two-dimensional structured grid to be run assuming axisymmetric flow. Note that kmax must be 1, and that the .cgd file is unaware that the grid is axisymmetric or 2D; that is determined at Wind-US run time.

The user-specified values are defined as:

    yc   Waterline location of rotation axis, in input units (scaled in Wind-US by XLONG*SCAFAC and offset by YNOSE)
θ Degrees of rotation assumed for metrics. (Changing θ should not affect the solution, but will affect convergence. A value of 5 degrees is typical.)

Last updated 1 Oct 2003