Two strata cutting methods were suggested, the grid cutting method to be used for horizontal and sloped sections, and the intersection line cutting method for vertical sections.
提出了地层的任意方向切割方法，即适用于水平截面和斜截面的网格分割法和适用于竖直截面的交线分割法。
The coordinate transformation method to handle displacement continuation problem on the intersection line of curved surfaces in the curved shell finite element method is presented.
提出了在曲壳有限元法中用坐标转换法处理曲面交线处结点位移的连续性问题。
A new method was put forward to find the intersection line and determine its visibility of general position lines and planes using overlapped projection lines.
提出用重影线法判断两重影直线的相对位置和求解一般位置直线与平面相交求交点判别可见性的新方法。
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