| 1. | On topology optimization of continuous structures under harmonic excitation
谐和激励下的连续体结构拓扑优化 |
| 2. | Chaotic vibrations of a fluid - conveying curved pipe subjected to harmonic excitation
具有非线性运动约束输液曲管振动的分岔 |
| 3. | Experimental study on vibration of pipes conveying fluid under harmonic excitation
强激励联合作用下输流管的分岔和混沌行为研究 |
| 4. | Usual fault and disposing method for brushless 3 - phase synchronous generator with harmonic excitation
谐波励磁无刷三相同步发电机的常见故障及处理方法 |
| 5. | The generators are of dirp - proof with rotating field type and with the adoption of harmonic excitation system , that allow your easy operation and simple maintenance
发电机为防滴转场式，采用谐波励磁系统，使用安全可靠，维护简单方便。 |
| 6. | This thesis is devoted to the evolutionary random response problems of linear random systems , and to the response problems of the random duffing system due to harmonic excitations
论文重点研究了线性随机系统在演变随机激励下的响应问题，和初步探索随机duffing方程在谐和激励下的一些非线性现象。 |
| 7. | The model and the single period objective function inversion method can be used for linear physical and mechanical parameters inversion of the other dynamic soil - box foundation - frame structure interaction systems under top harmonic excitation
该计算模型和单周期目标函数反演方法,可用于其他土-箱型基础-框架结构动力相互作用系统在简谐激振力下线性物理力学参数的反演。 |
| 8. | Third , through employing the 2 - d lumped mass model and the single period objective function inversion method developed in this paper , and taking the measured structure response to a harmonic excitation at the top of structure in field as the reversion objectives , the linear physical and mechanical parameter inversion is performed in ansys by using apdl
第三,采用二维集中质量模型和本文提出的单周期目标函数反演方法,把顶部激振下实测的结构动力响应作为反演目标,利用apdl语言,在ansys软件中实现了系统线性物理力学参数的反演。 |
| 9. | In the second part , we try to apply orthogonal polynomial approximations to the dynamical response problem of the duffing equation with random parameters under harmonic excitations . we first reduce the random duffing system into its non - linear deterministic equivalent one . then , using numerical method , we study the elementary non - linear phenomena in the system , such as saddle - node bifurcation , symmetry break bifurcation , phenomena in the system , such as saddle - node bifurcation , symmetry break bifurcation , period - doubling bifurcation and chaos
本文第二部分尝试将正交多项式逼近方法应用于随机duffing系统，提出与之等价的确定性非线性系统的新概念，并用数值方法对该系统在谐和激励下的鞍结分叉、对称破裂分叉、倍周期分叉、和混沌等各种基本非线性响应进行了初步探讨。 |
| 10. | Based on vibration principle , the paper establishes dynamics analysis model of output shaft with elastic support , according to fourer series spread principle of periodic function , the dynamic response formula is derived by separating complex vibration force into sum of many simple harmonic excitation function of whole number times frequency relations . the result shows that response of both sides support is synchronous when load distribution non - uniform coefficient is 1
依据振动理论建立了具有弹性支撑的输出轴的动力学分析模型，根据周期函数的傅里叶级数展开原理，将复杂的激振力分解成为多个频率成整倍数关系的简谐激励函数，导出了动态响应表达式，结果表明，当载荷分配不均匀系数为1 . 0时的输出轴两端支撑同步。 |
