设计制作了一外形和动力特性在一定范围内可调的超高层建筑多自由度气动弹性模型。
A super high rise buildings aeroelastic model, whose configuration and dynamics can be changed to some extent, has been designed and made.
基于流线型的列车头部外形由三维空间自由曲面构成，提出采用NURBS曲线设计外形型线和用三维nurbs曲面描述复杂三维曲面的车头外形设计方法。
The shape of streamlined train head is made of the 3-dimensional space free form surface, whose shape outline curve USES NURBS curve and complex shape surface USES 3-d NURBS surface.
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