A linear ultrasonic motor based on the two different in-plane bending modes of rectangular actuator were presented.
提出了一种矩形振子面内弯曲模态直线超声电机,分析了振子面内弯曲模态的激发原理及电机的驱动机理。
In-plane bending of a strip metal under unequal compressing with conical rollers is a kind of advanced bending processes.
不均匀压缩下金属板带面内弯曲成形是一种不同于传统塑性弯曲的先进弯曲方法。
The main function of the system is in-plane bending radius estimation, forming limit estimation and forming process optimization.
本系统的主要功能有:面内弯曲半径的预测;成形极限的预测;成形工艺的优化。
The formulation of the element considers the coupling effects between in-plane bending and torsion as well as transverse shear effects for the stiffeners.
在该单元构造过程中,考虑了肋骨弯曲、扭转、面内剪切和横向剪切变形的影响;
The effect of in-plane bending deformation on the lateral_torsional buckling of beam_columns is considered and the effect form, the additional moment factor, is obtained.
得出了平面内弯曲变形对压弯构件弯扭屈曲的影响形式,这一形式可用统一的弯矩附加系数表达。
In this paper, problems of bending of thin plates under the combined action of lateral loading and in-plane forces are studied by means of perturbation method.
本文应用摄动方法研究了薄板在侧向载荷和中面力的联合作用下的弯曲问题。
When a curved beam is bending in the plane of the curvature, the neutral axis of cross section is not identical with the axis of gravity due to the influence of the initial curvature.
由于曲率的影响,曲线梁在其曲率平面内弯曲时的中性轴不通过横截面的形心。因此弯矩在形心处要引起正应力,从而引出所谓“等效轴力”的概念。
Some difficulties in calculation of thin-walled structures with "plane bending theory" and "constrict twist theory" are overcome, showing the advantages of this method.
从而突破了弯心不共线薄壁杆件体系计算困难的问题,显示了这种计算方法的优越性。
Series solutions were derived for the in-plane strain, deflection and bending strain that satisfy the simplified boundary conditions to calculate the shear lag coefficient.
根据简化的边界条件,得到了面内应变和弯曲应变的级数解,进而求得剪力滞后系数。
In this paper, the test results of bending concrete specimens are shown, and the vlues of plane-strain fracture toughness, calculated by four different methods, are compared with one another.
本文,对混凝土弯曲试样进行了测试,并用四种不同的方法进行了平面应变断裂韧性的计算和比较。
The limit load calculation of welding piping tees under the action of the in plane bending moment was derived based on the limit analysis.
基于极限分析的观点,推导了工业中焊制三通在面内弯矩作用下的极限载荷估算式。
In this paper, problems of bending of a thin plate under the action of in-plane forces are studied by using the method of multiple scales.
本文利用多重尺度法研究了薄板在中面力的作用下的弯曲问题。
A comprehensive study of free vibration, buckling and bending of anisotropic simply-supported skew plates subjected to in-plane normal and shear forces is conducted.
对简支各向异性平行四边形板在面内张力和剪力作用下自由振动、屈曲和弯曲问题作了全面的研究。
A condensed soft optical phonon mode originates from the triply degenerate symmetric in-plane O-Nb-O bending.
一个软光学声子模来源于在铌-氧平面内的三重简并对称弯曲振动。
The current biaxial bending design formula always use the moment magnifier factor of in plane bending, which based on finite tests data, it's a semi- theoretical -semi-experience formula.
现今规范中的双向压弯构件的稳定验算公式中的弯矩放大系数都是套用平面内的弯矩放大系数,它是建立在有限的试验基础上的,是一个半经验半理论的设计公式。
By means of com programming, the bending and plane geometry feature recognition of blank layout for the car punch parts were completed in blank layout optimization.
用COM和特征识别技术实现了对轿车冲裁弯曲级进冲压件进行弯曲特征识别展开、毛坯排样几何特征图形的识别以及进行各类排样方式下的毛坯优化排样。
Generally, the contribution of bending stiffness out of plane in shear wall is neglected in engineering analysis.
在计算时一般都忽略剪力墙面外刚度的贡献。
In this paper, die design for cut tongue bending part with double inclined plane and knife mouth are introduced, for cut tongue bending part with single plane.
在分析影响某折弯模具产品质量的主要原因基础上,针对折弯模具刀口斜面的磨削关键工序进行了专用磨床夹具设计。
In this paper, die design for cut tongue bending part with double inclined plane and knife mouth are introduced, for cut tongue bending part with single plane.
在分析影响某折弯模具产品质量的主要原因基础上,针对折弯模具刀口斜面的磨削关键工序进行了专用磨床夹具设计。
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