APPARATUS, METHOD AND PROGRAM FOR GENERATING CURVED SURFACE SHAPE

PROBLEM TO BE SOLVED: To provide apparatus, method and program for generating a curved surface shape, capable of easily generating the curved surface shape in a short time. SOLUTION: Representative boundary points 44 are set on a square grid plane 40. By connecting the above points, a boundary closed curve 46 is set. Then, an arbitrary point among intersecting points between the boundary closed curve 46 and a square grid line 42A is set as a boundary restraint node point 48, while the intersecting point of the square grid 42 in the boundary closed curve 46 is set as a free node point 50. A governing equation, in which a displacement of the above free node point 50 is made to be an unknown amount, is solved by repeated calculation, so as to obtain the displacement of the free node point 50, and thus, the curved surface shape is generated. COPYRIGHT: (C)2009,JPO&INPIT