《理论力学》双语教学 绪论(20P).pptVIP

1 * Theoretical Mechanics 1. The object of theoretical mechanics 一、理论力学的研究对象 2. The task and content of theoretical mechanics 二、理论力学的任务及其研究内容 Introduction 绪 论 3. The basic logical concepts in theoretical mechanics 三、理论力学的研究方法 4. A brief history of theoretical mechanics 四、理论力学的发展史 5. Methods of modern teaching of theoretical mechanics 五、理论力学现代教学研究 1. The object of theoretical mechanics 一、理论力学的研究对象 Theoretical Mechanics: The science of the general laws of mechanical motions of material bodies. 理论力学：是研究物体机械运动一般规律的一门学科。 机械运动：是物体在空间的位置随时间的变化。 Mechanical motion: Any change in the relative positions of material bodies in space which occurs in the course of time. 2. The task and content of theoretical mechanics 二、理论力学的任务及其研究内容 Technical basic courses Basic courses advanced courses Political courses Foreign languages Theoretical mechanics is a technical basic course with intensive use of mathematical methods. 1. 理论力学是一门理论性较强的技术基础课 政治 专 业 课 技 术 基 础 课 基 础 课 外语 2. 理论力学是很多专业课程的重要基础 2) Theoretical mechanics is the important foundation of many advanced courses. 例如：材料力学、机械原理、机械零件、结构力学、弹性力学 、流体力学 、机械振动等一系列后续课程的重要基础。 such as: material mechanics, mechanical theory, mechanical components, structural mechanics, elasticity theory, fluid mechanics, mechanical oscillations, etc. Static: 静力学： Studies the laws of equilibrium of material bodies subjected to the action of forces, the general character of forces and the methods to simplify force systems. 研究物体在力系作用下的平衡规律，同时也研究力的一般性质和力系的简化方法等。 3) The content of theoretical mechanics 3.理论力学的研究内容 Kinematics: 运动学： Dynamics: 动力学： Deals with the general geometrical description of the motions of bodies, does not study the reasons of their motions. 研究物体运动的几何性质，而不研究引起物体运动的原因。 Studies the laws of motion of material bodies under the action of forces. 研究受力物体的运动变化与作用力之间的关系。 Theoretical mechanics starts with practical tasks. Some pri