Simulation method of ball B-spline-based weft knitted fabric model
A simulation method and knitted fabric technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of slow simulation speed, inability to truly represent the shape of flexible fabrics, and large amount of calculation.
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[0057] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. The steps of the simulation method of the weft-knitted fabric modeling based on spherical B-splines according to the present invention are:
[0058] (1). The construction of the three-dimensional model of the coil:
[0059] Spherical B-spline expresses 2D painting and 3D painting by defining a series of control points, the control radius of the control point, and the B-spline curve associated with these control points. Spherical B-spline is as follows: figure 1 shown. The control points and the corresponding control radii can define the corresponding spherical shape, and the whole spherical B-spline curve is defined by the center point of the segment and the corresponding radius. A spherical B-spline curve (BBSC) is a parametric solid representation of free-form tubular objects based on skeletal parameters, and thus, it enables more flexible modeling, ...
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