研究了横观各向同性饱和半空间地基上弹性圆板的非轴对称振动问题。
The non-axisymmetrical vibration of elastic circular plate resting on a layered transversely isotropic saturated ground is studied.
阻尼器的对称轴线与被控机器或结构物的振动方向相垂直。
Its symmetric axis is vertical to the vibrating direction of the controlled machine or structural object.
本机由机体上下冲孔筛箱、振动源、机座及减震器三组部件构成,机体与机座连接由4档减震器金属弹簧对称定位。
The Machine consists of up-down stamped screen box, vibrator and shock absorber, 4-speed vibration-reducing metal spring connects body to base in symmetrical position.
用样条有限元法,导出了层合板的振动方程,建立了求解反对称层合板响应灵敏度的计算公式。
The vibration equation of laminated plates and the calculation formula of responding sensitivity of antisymmetric laminated plates by using spline finite element method are presented.
简述了已知的粒子质量公式,由动力学的对称性自发破缺机制导出粒子的动力学模型和振动-转动模型,其简化形式是谐振子模型。
The dynamical model and the oscillation-rotation model of particle are derived from the dynamical mechanism of spontaneously break symmetry, and its simplified form is a harmonic oscillator model.
求解了厚圆板在周边固支和简支条件下的对称与反对称的自由振动问题。
The symmetric and unti -symmetric free vibration problems of thick plate with the fixed and simple support edge conditions are solved.
本文用样条有限元法,分析了反对称角铺设层合板的自由振动问题。
The essay analyses free vibration problem of laying bed build-up board of antisymmetry angle with spline finite element method.
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。
A condensed soft optical phonon mode originates from the triply degenerate symmetric in-plane O-Nb-O bending.
研究了用两组相同的MTMD控制单层非对称结构扭转振动的最优设计参数。
Investigated are the optimum design parameters of two sets of identical multiple tuned mass dampers (MTMD) for one-story asymmetric structures.
另外还设计了一种非对称的多频纵振动换能器,其共振频率方程为:这种类型的多频纵振动换能器可以应用到超声清洗中。
Finally, an asymmetrical multi-frequency transducer is designed, the resonant frequency of transducer is obtained, that is, This type of transducer can be used in ultrasonic cleaning and other fields.
对一类轴对称圆环的面内弯曲振动进行了分析计算,给出了圆环面内弯曲振动固有频率表达式。
The flexural vibration of a circular ring that is of axis symmetry is analyzed and calculated, the solid frequency expression of the flexural vibration is obtained.
当发电机的外接负载不对称时,转子的固有频率一分为二,转子的振动在原来单频振动的基础上,产生了双重共振现象。
Its natural frequency falls into two parts when the loads exerted on generator rotor are asymmetrical. Dual resonance phenomenon appears based on the former single frequency vibration.
永磁电动机本质上是一种含脉动激励的对称机构,将不可避免地产生振动和噪声,影响了电动机的性能。
Permanent magnet motor is essentially symmetrical structure with pulse excitation, so it inevitably has vibration and noise, which affects performance of the motor.
考虑被压实物料的不对称滞回特性,建立了振动压路机振动轮-车架系统的二质量运动模型。
A two-mass model of the vibration compacting roller and its frame is established with consideration of materials asymmetrical hysteresis.
本文给出了一种研究圆柱正交异性扁薄球壳非线性轴对称自由振动的新的时间模方法。
A new time-mode approach to nonlinear axisymmetric free vibrations of cylindrically orthotropic thin shallow spherical shells is presented in this paper.
染尘肌体组织在加热过程中,蛋白质类结构对称性降低并逐渐氧化,末端基团如—ch_3,—CH_2振动减弱。
When injected organism tissues were heated, the protein structural symmetry was reduced, oxidated gradually, and the vibration weakened at the end radicel such as -ch3, -ch2.
本文对轴对称薄壁壳结构的振动特性进行了试验研究。
The experimental investigation on vibration characteristics of thin cylindrical shell with axial symmetry has been performed.
随着层间阳离子离子势的增大,其层间水脱失温度增高,层间水的对称伸缩振动频率降低,弯曲振动频率提高。
With the increase of ionic potential, the dehydrated temperature and the bending vibration frequency of interlayer water increase, and strength vibration frequency decreases.
本文讨论具有非对称阻尼、刚度矩阵的一般振动系统多输入部分极点配置问题。
In the paper, partial pole assignment is studied for general vibrating systems with non_symmetric damping and stiffness matrices.
应用贝塞尔函数理论,求得等厚度圆板和环板单元非对称自由振动传递矩阵的正确公式。
Applying the theory of Bessel function, the exact transfer matrix formulae of the asymmetric free vibration of the circular and annular plate elements with uniform thickness can be obtained.
正常人中除1例声带振动轻微不对称外,其余4例未发现异常。
The vibration of vocal folds was slight asymmetry in 1 normal voice person and normal in other 4 normal voice persons.
在以往的研究过程中,主要发现电液伺服控制单元在零位时存在振动,左右行程不对称,精度和快速性达不到使用要求的问题。
In the previous studies, Central oscillation, asymmetry of left and right movement and insufficient precise and speed of response are the main problems of electro-hydraulic servo control unit.
对不对称转子系统的非线性振动问题进行了研究。
The nonlinear oscillation of an unbalanced rotor system with unsymmetrical stiffness is studied.
多光子过程的偏振特性可以用来标识电子态及振动结构的对称性。
The polarized characteristic of multiphoton process can be used to assign the symmetries of electronic states and vibrational structures.
分析了振动压实过程中被压实材料的不对称迟滞特性,建立了一种分段线性的不对称迟滞模型。
Based on analysis of the asymmetrical hysteretic nonlinearity of materials, a piecewise linear asymmetrical hysteretic model was built.
分别计算了对称截面及非对称截面多跨连续梁,当相邻跨按对称振型振动时的固有频率,讨论了不同边界条件对固有频率的影响。
The natural frequencies of symmetrical section and non-symmetrical section continuous-beam are calculated in detail, and results of continuous-beam with different constraint conditions are given.
本文用三维弹性力学理论求得球壳轴对称扭转振动问题的解析解。
In this paper, an analytical solution of twisted vibration problem for spherical shells is obtained by the three dimensional elastic theory.
本文对具非对称粘滞阻尼的振动系统提出一种约束部件模态综合法。
A constrained component mode synthesis method for asymmetric viscous damped systems is presented.
本文分析了氮化硼纳米管的结构对称性,并对其晶格振动模的对称性进行了分类。
In this paper, we analyse the structure of single wall boron nitride nanotubes and classify the vibration of the crystal lattice.
本文分析了氮化硼纳米管的结构对称性,并对其晶格振动模的对称性进行了分类。
In this paper, we analyse the structure of single wall boron nitride nanotubes and classify the vibration of the crystal lattice.
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