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所在平台: Udemy |
课程主页: https://www.udemy.com/course/mechanical-vibration-course/
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**Coursera 课程摘要：机械振动** 本课程旨在深化工程师对机械振动学基本原理及其数学表述的理解。通过本课程的学习，您将： * **掌握核心概念：** 熟悉机械振动的基本概念、不同类型以及如何对机械系统进行建模。 * **理解动力学基础：** 学习计算系统的等效刚度和质量，推导运动方程，并确定振动系统的固有频率。 * **深入分析振动行为：** 掌握自由无阻尼振动（线性和旋转）的求解方法，并理解过阻尼、临界阻尼和欠阻尼振动的特性。 * **探索受迫振动：** 学习由旋转不平衡和基础激励引起的受迫振动，以及多自由度系统的振动分析。 * **应用与实践：** 了解振动理论在地物物理学中的应用，理解振动测量仪器的物理基础，并能将观测结果与机械振动物理学原理联系起来，尤其是在地球物理方法和地震学领域。 通过本课程，您将获得机械振动领域的通用基础知识，并能将其应用于解决实际工程问题，特别是在地球物理勘探和地震学研究中。
Mechanical Vibration is one of the most important sciences for engineers. The purpose of this course is to enhance the student's understanding of the physics and mathematics of vibration systems. Shed the light on the application of vibration theory in geophysics. Understand the physical basis of the vibration measuring instruments. Understand the basis for the decay and amplification of the propagating vibratory motion.The student will gain the general basic knowledge of mechanical vibrations and will be able to use this knowledge in his use of the application of geophysical methods or in seismology to relate observations to the fundamentals of the physics of mechanical vibrations. In the First section the learner will be familiar with:Basic concepts of mechanical vibrationsTypes of mechanical vibrationModelling of the mechanical systemCalculating the equivalent stiffness and mass of the systemsDeriving the equations of motionsDetermining the natural frequency of the vibrating systemsSolving a lot of examples of free undamped vibration (Linear, Rotational, and Torsional motions)In the second section the learner will be familiar with:Basic concepts of dampersOver-damped vibration Critical-damped vibration under-damped vibration In third and later sections the learner will be familiar with:Forced Vibration due to Rotating unbalanceForced Vibration due to base excitationSystems with Two or More Degrees of Freedom
