|
所在平台: Udemy |
课程主页: https://www.udemy.com/course/mechanical-vibration-practice-test/
课程评论：没有评论
课程名称：机械振动审核：专家级-1认证 课程概述：本实践测试旨在深化学员对机械系统振动的基本知识和概念的理解，包括以下内容：1. 了解日常生活和工业中振动的存在；2. 机器和设备振动的原因；3. 如何控制振动；4. 严重和异常振动带来的灾难；5. 振动系统的分类及振动激励类型；6. 自由振动/自然振动的计算，包括阻尼和无阻尼振动，强迫振动的分析；7. 确定共振频率和阻尼自然频率；8. 从时间响应信号中确定振动的位移、速度和加速度幅度；9. 从频率响应曲线中确定放大效应、隔离、相位及阻尼对系统响应的影响；10. 阻尼比对系统响应行为的影响；11. 振动放大及其通过阻尼控制的情况；12. 激励频率的影响；13. 确定系统对自由及谐波激励的响应，单自由度和多自由度系统的分析；14. 分析并估计旋转机械振动的参数，包括旋转不平衡、基础激励以及振动传递和隔离；15. 计算基本频率、自然频率和模态。 本课程适合希望提升机械振动知识并取得专家认证的学员。
This practice test of mechanical vibrations will enhance the basic and fundamental knowledge and concepts on the vibration of mechanical systems including: 1. Awareness about the existence of vibrations in daily life and industry, 2. Causes of vibrations in machines and equipment, 3. How to the control of vibrations, 4. What is the catastrophe of harsh and abnormal vibrations, 5. Classification of vibratory systems, type of vibration excitation, 6. Computation of free/natural vibrations, damped and undamped vibrations, free undamped vibrations, free damped vibrations, forced undamped vibrations, forced damped vibrations, 7. Determination of the resonant frequencies, damped natural frequency, 8. From the time response signal to determine the amplitude of displacement, velocity and acceleration of vibrations 9. From the frequency response curve to determine the magnification, isolation, phase and effect of damping on system's response10. To find the effect of the damping ratio on the behavior of the response of the system 11. Vibration amplification and its control through damping, 12. The effect of Frequency of excitation, 13. To determine the systems' response to free and harmonic excitation, single and multiple degree of freedom systems,14. To analyze and estimate the vibration parameters of the rotatory machines vibrations, rotating unbalance, base-excitation, vibration transmissiblity and isolation,15. To compute the fundamental frequency, natural frequencies and mode shapes,
