As for the interactive graphic editing, the article mainly focuses on graphic element collect algorithm and two-dimension transformation such as rotation, scale and translation using convert matrix.
图形的交互式编辑部分主要研究了图元的拾取算法和使用变换矩阵实现对图元的旋转、比例缩放和平移等二维变换。
The effect of the whisker rotation on the hot compressive deformation behavior of the whisker reinforced aluminum matrix composite is investigated by the plane strain finite element method.
采用平面应变有限元方法研究了晶须转动对晶须增强铝基复合材料热压缩变形行为的影响。
Then, based on the CR formulation, the internal force vector and tangent stiffness matrix of large rotation and small strain space bar and plane beam element are deduced.
其次，基于CR列式法推导出了大旋转小应变空间杆单元及平面梁单元的内力矢量及切线刚度矩阵；
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