整体式叶轮主要振动形式是叶轮的弯扭振动。
The major shapes of the impeller are coupled bending and torsion.
但在运营中遇到的弯箱梁弯扭变形问题也比较突出。
But in the operation of the curved box-girder, bending and torsion deformation has also been quite pronounced.
单轴对称的角钢、T型钢压杆有必要做弯扭屈曲验算。
Struts of monosymmetric section built with angles and cut-Ts need to be checked on flexural-torsional buckling.
为了实用需要,程序内装有受空间弯扭作用的梁单元。
For practical purpose, beam units subjected to spacial bending and torsion are included in the program.
以弯矩矢量和转角向径为工具,分析了薄壁构件的弯扭屈曲。
Making use of the moment vector and radius vector of rotation, the lateral buckling of thin-walled members are analyzed.
在工程构件中,最常见的变形形式是弯曲变形和弯扭组合变形。
In structural members, the deformation is usually caused by bending or by a combination of bending and torsion.
大开口船的弯扭耦合振动问题近年来愈来愈多地受到人们的重视。
The bending-torsion coupling vibration of ship hull attracts more attention in recent years.
理论研究与震害经验表明,地震时曲线桥梁会产生弯扭耦合振动。
Theoretical research and earthquake damage investigation indicate that there is bend torsion coupling vibration for curved bridge when earthquake occurs.
研究叶轮机叶片的弯扭及掠形等因素对叶片气动负荷分布的影响。
The effects of turbomachinery blade bow and sweep on aerodynamic loading distribution of the blade are investigated.
研究了裂纹转子的弯扭耦合振动特性,分析了扭转对弯曲振动的影响。
In this paper we have researched the bending torsional coupling characteristic of cracked rotor, and analysed the influence about torsional vibration to bending vibration.
提出了用迁移矩阵法分析长大舱口船弯扭耦合动力特性的理论和方法。
This paper presents the theory and method of analyzing horizontal-torsion-coupled dynamic behavior of a ship hull with large hatch opening by the transfer matrix method.
在本文研究中考虑了弯扭耦合、翘曲刚度、转动惯量和剪切变形的影响。
The effects of bending-torsion coupling, warping stiffness, shear deformation and rotary inertia are taken into account in the present formulations.
本文综合运用理论分析、数值模拟等方法研究了薄壁钢梁的弯扭屈曲问题。
By means of theoretic analysis and digital imitation, an investigation about the flexural-torsional buckling of thin-walled steel beam is made in this paper.
研究了在外载荷作用下锥齿轮传动转子系统纵弯扭耦合振动的不平衡响应。
The unbalanced responses of bevel geared rotor system under external torque in the coupled axial-lateral-torsional directions were studied.
对商用车驾驶室弯扭工况进行分析,提出弯扭工况的边界条件和载荷条件。
The torsional condition of the commercial vehicle cab is analyzed and the boundary constrains and load conditions are proposed.
最后,为减小曲线梁桥存在的弯扭耦合作用,设计中通过设置偏心距来调整。
Finally, the linear eccentricity is adopted in designing in order to reduce the coupling of bend and wring which exist in the curved bridge.
基于转子动力学和齿轮啮合基本原理,建立了一般齿轮耦合轴系弯扭耦合振动方程。
Based on rotor dynamics and the basic principle of gear mesh, this paper sets up the lateral-torsional coupling vibration theory of a general geared rotor-bearing system.
针对边条弯扭及改变双立尾展向位置对全机纵横向气动特性的影响进行了试验研究。
An experimental study of the effects of the twin vertical fins position and twist strake wing on a fighter aerodynamic characteristics was performed in the wind tunnel.
探讨各向异性功能梯度材料裂纹板受纯弯、纯扭、弯扭载荷作用下的弯曲断裂问题。
The bending fracture problems of cracked plate for anisotropic functionally graded materials under loads of pure bending, pure twisting or bending and twisting are discussed.
汽车半轴凸缘是受弯扭联合作用的联接零件,其强度、载荷及实际尺寸具有不确定性。
Automotive half shaft flange is a coupling part under the combined action of bending and torsion, its strength, loading and actual size have an uncertainty.
由于滚装船有着不同于常规船舶的结构特点,有必要对其进行全船弯扭强度精确计算。
Since there are many special structural characteristics of ro-ro vessel different from general ships, it is necessary to calculate the bending and torsion strength of the ro-ro vessel accurately.
本文的主要目的是讨论弯扭叶片在大功率汽轮机低压缸末级和次东级的工程应用问题。
The primary goal of this paper is to discuss the engineering application of the bowed and twisted blade on sub-last and last stages of steam turbines.
实验证明利用本文提出的计算式进行模具设计能有效地减小挤压非对称型材的弯扭畸变。
The experiments show that the formulas set up in this pa per can lower the deformation of non- symmetry extruded sections efficiently.
在试验的基础上对钢筋高强陶拉砼构件在纯扭和弯扭作用下的受力和变形性能进行了研究。
Based on the experimental results, this paper studies the strength and deformation of reinforced high strength haydite aggregate concrete member in torsion and bending.
本文研究了带挤压油膜阻尼器(SFD)的转子系统在考虑弯扭耦合的情况下的加速响应。
This paper investigated the response of rotor system supported on Squeezed Film Damper (SFD) under acceleration.
在研究齿轮轴系的弯扭耦合振动时,有两种常用的耦合模型,即力耦合模型和几何耦合模型。
In the study of lateral-torsional coupling vibration of a geared rotor system, two coupling models are available, namely force coupling model and geometry coupling model.
通过复合材料加筋壁板后屈曲有限元分析,预测盒形薄壁结构在弯扭组合作用下的承载能力。
The post-buckling and carrying capacity of thin-walled box-like structures under bending and twisting was predicted by the finite element analysis of stiffened composite panels.
将有限元与薄壁杆件弯扭理论两种计算方法进行了分析对比,提出了模型化及边界处理的方法。
This paper carries out the comparison between FEM and the theory of thin-walled bar's bending and torsion and gives the methods for modelling and boundary processing.
分析了弯扭叶片中,叶片力的径向分力对沿叶高反动度的影响,及对变工况时脱流特性的影响。
This paper is intended to analyse how the radial component force which opposed on the bending blades affect the reaction along blade and flow separation characteristics of varying duty.
结果表明:随着质量偏心的增加,弯扭耦合区的范围增大,系统运动由周期运动变为概周期运动;
The results show that the coupled bending-torsional vibration range increases and the motion changes from periodic motion to quasi-periodic motion as the mass eccentricity rises;
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