| 摘要 |
An improved method of forming a panel out of a workpiece, the panel being substantially free of ripples and free of ruptures, includes forming a number of smooth bulges in the workpiece in order to effectively spread a quantity of excess material that results from forming a number of desirable features into the workpiece by taking up in the bulges an amount of material. The quantity, dimensions, locations, orientations, shapes, and configurations of the bulges with respect to the features are determined by an iterative process that examines the degree to which the excess material resulting from formation of the features is effectively spread about the panel. Effective material spreading can be characterized by at least one of reduced thickening of the workpiece, reduced amplitude of ripples in the workpiece, and increased period of the ripples. An improved panel formed according to the aforementioned process is also disclosed.
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