1) coupling of the flexural and torsional vibrations
弯-扭振动耦合
2) lateral-torsional coupling vibration
弯扭耦合振动
1.
Vibration equations of each axis are built,and then are synthesized to form lateral-torsional coupling vibration equation of multi-parallel gear-rotor system.
结果表明,由于齿轮的耦合作用,多平行齿轮转子系统的振动不同于单轴转子,突出表现为各轴间的弯扭耦合振动,派生出许多新的模态,各轴上的不平衡会引起整个系统的振动响应。
2.
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.
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。
3.
In global coordinate system,all these vibration equations were synthesized to the lateral-torsional coupling vibration equation of the complex gear-roto.
针对存在非平行轴的多分支齿轮耦合复杂转子系统,基于子结构分析理论,将系统中的每一根轴视为单元,将齿轮啮合力视为单元的激振力,在局部坐标系中采用集总质量法建立该单元的振动方程;在系统总体坐标系中,将各单元的振动方程联立,形成齿轮耦合复杂转子系统弯扭耦合振动方程,通过数值求解,获得系统固有频率和动态响应。
3) coupled flexural and torsional vibrations
弯扭耦合振动
1.
Increment transfer matrix method and its application in the coupled flexural and torsional vibrations analysis;
增量传递矩阵法及其在轴系弯扭耦合振动中的应用
2.
And matrix equations calculating the responses of coupled flexural and torsional vibrations were deduced.
基于多段集中质量模型和增量传递矩阵法,并结合Riccati法,建立了汽轮发电机组轴系弯扭耦合振动瞬态响应求解模型。
3.
The nonlinear differential equations of coupled flexural and torsional vibrations are established.
针对两端刚性支承的Jeffcott转子 ,推导了裂纹转子的弯扭耦合振动非线性微分方程 ,通过数值仿真手段 ,分析了升速过程中弯振和扭振的瞬态特性 ,并详细探讨了加速度、裂纹减小刚度、裂纹夹角、质量偏心以及阻尼系数等因素对弯扭耦合振动瞬态特性的影响。
4) coupled torsional-flexural vibration
扭/弯耦合振动
1.
The equations of coupled torsional-flexural vibration are established.
考虑轴的自重的影响,研究轴的质量中心分布线与旋转中心线不重合时的扭/弯耦合振动情况。
5) bending torsional coupled vibration
弯扭耦合振动
1.
The bending torsional coupled vibration of a level Jeffcott rotor containing a transverse crack is investigated in this paper.
以水平放置Jeffcott裂纹转子为研究对象 ,建立了弯扭耦合振动的非线性运动微分方程 ,并用数值方法分析了纯弯曲振动与弯扭耦合振动情况下的转子的动力响应。
2.
The bending torsional coupled vibration of a level Jeffcott rotor containing a transverse crack was investigated.
以水平放置Jeffcott裂纹转子为研究对象 ,建立了弯扭耦合振动的非线性运动微分方程 ,并用数值方法分析了该转子系统的动力响应 。
6) coupled bending and torsional vibration
弯扭耦合振动
1.
Mathematic model of coupled bending and torsional vibration of shaft systems;
轴系弯扭耦合振动的数学模型
2.
In order to verify the validation of a FEM model of thinwalled beam, which takes effects of warping, shearing, rotation of cross-sections and structural discontinuity into account, an special experiment on coupled bending and torsional vibration is carried out on an aircraft carrier model.
为了验证一种基于薄壁结构力学基本理论,考虑了翘曲、剪切、剖面转动以及结构不连续性影响的薄壁梁有限元模型的适用性,针对航空母舰这种具有不对称结构的船型进行了弯扭耦合振动试验,并就试验结果和计算结果作了分析和比较。
补充资料:振动耦合
振动耦合( coupling )
当两个振动频率相同或相近的基团相邻并由同一原子相连时,两个振动相互作用(微扰)产生共振,谱带一分为二(高频和低频)。如羧酸酐分裂为νc=o ( νas1820 、νs1760cm-1 )
说明:补充资料仅用于学习参考,请勿用于其它任何用途。