... second officer 二副 second order buckling 二次弯曲 second order difference 二阶差分 ...
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Based on the mechanical knowledge,with the method of geometricalfiguration,explain the most import state-the second-distortion from themechanical angle and the mathematical angle,deduces the mathematical module about the Dmin With it,according to computational calculation,can realize positional calculation of figuration roller .
在力学知识的基础上，结合几何成形的方法，对热卷箱最重要的一个变形阶段——二次弯曲从力学和数学的角度进行了解释，推导出了计算最小卷径的数学模型。 利用该模型并结合计算机的“遍历法”，便可实现成形辊的定位计算。
参考来源 - 热卷箱设计参数的研究及设计软件的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
这有助于计算容器的一次薄膜应力和二次弯曲应力。
This is useful in evaluating the primary membrane stress and the secondary bending stress in vessels.
叙述了玻璃托的零件结构及成形工艺，介绍了落料压凸模、一次弯曲模和二次弯曲模的模具结构及设计要点。
The structure and stamping technology of glass bracket were elaborated. At the same time, the blanking die, bending die for one time and bending die for two times were also introduced.
用常规有限元和二次动态有限元解算了一个悬臂三角形弯曲板的前六阶固有频率。
The First six natural frequencies of a cantilevered triangular bending plate are calculated both by the conventional finite element and by the second order finite dynamic element.
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