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- NONLINEAR KINEMATIC EQUATION OF SPATIAL CURVED BEAM 空间曲梁非线性动力学方程
- spatial curved beam 空间曲梁
- The technique that processes spatial curved surface (SCS) in Wire Electronic Discharge Machining with High Speed (WEDM-HS) is one of the most important processing methods. 由于,目前国内加工空间曲面零件通过采用锥度切割装置使电极丝倾斜一定角度来实现锥度切割,这种加工方法容易产生较大的加工误差。
- Steel box continuous curved beam with its big span, little section, esthetical sculpt, is adopted generally by municipal projects. 钢箱连续曲梁以其跨度大、面小、型美,普遍被市政工程采用。
- Applying the theory of curved beam FEM,a practical method of structure analysis of curved bridge is build when considering the sidelong support. 应用曲杆有限单元法建立曲线梁桥的实用分析方法,并考虑了曲线梁桥的非径向支承特征。
- The formulas for calculation of normal stress under complicated loads in a compo-site curved beam with general sectional shape are derived. 给出了一般截面形状的复合曲梁在复杂载荷作用下正应力的计算公式。
- Meanwhile, the springback potential energy principle is applied to calculate the springback deformation of a pure bending of curved beam. 同时，应用该回弹势能原理于纯弯曲梁的回弹变形计算。
- In spatial analytic geometry,a spatial curve is an intersecting line of two curved surfaces. 在空间解析几何中,空间曲线是两曲面的交线,在空间曲线中消去一元,即得投影柱面。
- In this paper, the formulas for internal forces of skew curved beam bridges with arbitrary skew degrees are derived by using the principle of force-method in structural mechanics. 应用结构力学中的力法原理,推导了任意斜度的斜交弯梁桥的内力计算公式。
- The method for analyzing ultimate load capacity of steel curved beam with degenerated three-dimensional solid virtual laminated beam element is presented. 提出采用三维实体退化虚拟层合梁单元计算钢曲梁极限承载力的方法。
- Jin came after the curved beam (Lucheng northern) and Lu army in a fierce battle, killing Shu-feng, the infant son arrested Lu, Lushun shou qian yang out of the country. 晋军来到之后，在曲梁（潞城北部）与潞国军队激战一场，杀了丰舒，把潞子婴儿抓去，顺手牵羊灭了潞国。
- At the same time, with the effect of prestress force、changes of temperature and driving of vehicle, curved beam appears lateral displacement, bearing bears transverse reactions. 同时,弯箱梁在预加力、季节温差以及车辆离心力的作用,梁体又呈现向外侧的横向变形,支座也承受横向推力;
- A direct interpolation algorithm for spatial curves on a surface is proposed for pen-cutting of sculptured surfaces. 摘要针对复杂曲面笔式加工时位于曲面上的空间曲线型刀具轨迹，给出一种直接插补算法。
- Based on the nornal stress formula for the composite curved beam, the formulae of the shearing and radial stresses for the composite curved beam s are further derived. 在复合曲梁正应力公式的基础上，进一步导出了其剪应力和径向应力的计算公式，从而使复合曲梁的应力问题全部得到解决。
- high thickness spatial curved surface 大厚复杂零件
- We outline a novel 3D graphical representation of DNA sequences, which can avoid crossing and overlapping of the corresponding spatial curve. 摘要介绍一种新的DNA序列的3维图形表示，它可以避免相应空间图形的交叉和重叠。
- The whole piezolaminated curved beam is equivalent as a single layer structure, and the governing equation of piezolaminated curved beam with small curvature is derived based on one-dimensional beam theory. 将压电夹层圆形曲梁等效为单层结构，基于一维小曲率曲梁理论，建立其控制方程。
- Based on the curved beam theory of the elasto-plastic mechanics, the basic mechanical characteristics of wide sheet bending is analyzed and the thickness variation analytical solution is deduced. 摘要基于弹塑性力学曲梁理论，分析宽板弯曲成形过程基本力学规律，推导了板厚变化精确解析解。
- In spatial analytic geometry, a spatial curve is an intersecting line of two curved surfaces.When a variable is eliminated from the spatial curve, its projective cylinder is obtained. 在空间解析几何中，空间曲线是两曲面的交线，在空间曲线中消去一元，即得投影柱面。
- From the variation principle,an analytical solution of the tangential stiffness matrices with nonlinear effects geometrically, for two-nodal two-dimension curved beam element, has been derived. 利用变分原理，推导了两节点二维曲梁单元几何非线性的单元切线刚度矩阵。
