This option allows you to model the shaft residual bow effect. The shaft bow generates synchronous excitation with speed independent magnitude. Since it is not feasible and not practical to input the residual shaft bow (displacements and slopes) for all the finite element stations, two curve fitting options are provided in the program. By selecting None, the unspecified displacements and slopes are set to be zero. By selecting Spline or Polynomial, the unspecified displacements are interpolated or extrapolated from the given displacements and the slopes are derived from the displacements. The disk skew caused by the shaft bow is added to the total disk skew angle.
The <Import *.xls> and <Export *.xls> buttons allow you to import and export data from and to the MS Excel file.
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