Position of Upper and Lower Cutting Curve

Description

The upper and lower material curves of a plate edge are calculated from the plate thickness of the bounding plate, i.e. the e-measure of the current bevel. This means that the upper material curve ends according to the point D in the upper view in the figure above. This is also the position of the so called bump contour.

However, since the chamfer defined by the variants is cut (or grinded) off after the normal end cutting, the nested plate parts might be positioned to close to each other.

A more correct way to calculate the upper and lower material curve is to take the current plate thickness and the current variant into consideration when calculating the curves. This means that the upper material curve will be positioned according to the point D in the lower sketch in the figure above.

The environment variable SBH_ADJUST_FOR_BEVEL_VARIANT can now be used to switch to the new way of calculating the material contours. By giving the variable the value YES, the new method will be used. In any other case, the old method is still applied.

Benefits

This development enables the user to control the size of bump contours of plates when variants are involved, avoiding potential problems with plates being nested too close too each other.

Compatibility Constraints

None

For More Information

Refer to also User Guide Hull Detailed Design / Setup and Customisation / Bevel Excess and Weld / Bevel Handling in AVEVA Marine / End User Handling of Bevelling / Bevel and Extraction of Parts.

Affected Programs

AVEVA Hull Design, Plane Parts Generation