webclass

{ "name": "普通物理学(A)", "teacher":"杨春峰", "target": "19机自 (3班)", "semester":"2019 -- 2020 (2)", "reference":"毛骏健, 顾牡主编. 大学物理学，第二版, 北京:高等教育出版社, .", "targetCharacters": "有一定工程力学基础，但有的同学基础不扎实。", "mainMethod":"基于大学物理课程特点，通过习题训练，例题演示等方法，引导学生逐步学习大学物理. 通过互动，提问，等多种手段对学生强化训练，以期达到教学目标。", "classes":{ "1":{ "date":"2020-2-24", "topic":"大学物理课程简介", "teachTarget": "物理学的研究范围，牛顿时空观，牛顿力学基本概念", "hardPoints":"", "introduction":"从物理学定义引入物理学研究范围。物理学最初的中文译名是格物学，取自格物致知. 根据第23界国际纯粹物理与应用物理联合会议决议，物理学是研究物质，能量和它们的相互作用的学科。", "content_1":[" 物理学的研究领域，通过视频资料演示世界的世界尺度和空间尺度。进而介绍从古代物理，近代物理到现代物理学的发展历程.", "牛顿力学的绝对时空观，相对论的时空观。"], "content_2":["质点是物理学中最基本的抽象模型.", "参考系，坐标系的概念，常用参考系.", {"figure": { "path": "B.PNG", "width": 0.4 }}, "矢量代数简介 "], "summary":"学好大学物理的注意事项。大学物理的一些经典教材，如费曼物理学讲义等", "homework":"" }, "2":{ "date":"2020-2-26", "topic":"质点，运动，参考系", "teachTarget": "介绍物理学中基础抽象模型，物质世界运动本性和度量体系", "hardPoints":"", "introduction":"从学生已有的高中物理知识引入大学物理范畴", "content_1":"位置矢量的定义，数学表达式以及其物理意义. 运动方程，位移与路程的区别和联系", "content_2":"", "summary":"", "homework":"" }, "3":{ "date":"2020-3-2", "teachTarget": "", "topic":"质点运动描述", "hardPoints":"", "introduction":"", "content_1":"平均速度，瞬时速度，平均速率，瞬时速率等概念的定义，这些概念的区别与联系", "content_2":"平均加速度，瞬时加速度的定义. 通过例题讲解速度，加速度，速率的计算和应用", "summary":"", "homework":"" }, "4":{ "date":"2020-3-4", "topic":"运动学两类基本问题求解方法", "teachTarget": "", "hardPoints":"", "introduction":"", "content_1":" ", "content_2":" ", "summary":"", "homework":"" }, "5":{ "date":"2020-3-9", "topic":" ", "teachTarget": "", "hardPoints":"", "introduction":"", "content_1":" ", "content_2":" ", "summary":"", "homework":"" }, "6":{ "date":"2020-3-11", "teachTarget": "", "topic":" ", "hardPoints":"", "introduction":"", "content_1":" ", "content_2":" ", "summary":"", "homework":"" }, "7":{ "date":"2020-3-16", "teachTarget": "", "topic":" ", "hardPoints":"", "introduction":"", "content_1":" ", "content_2":" ", "summary":"", "homework":"" }, "8":{ "date":"2020-3-18", "teachTarget": "", "topic":" ", "hardPoints":"", "introduction":"", "content_1":" ", "content_2":" ", "summary":"", "homework":"" }, "9":{ "date":"2020-3-23", "teachTarget": "", "topic":" ", "hardPoints":"", "introduction":"", "content_1":" ", "content_2":" ", "summary":"", "homework":"" }, "10":{ "date":"2020-3-25", "teachTarget": "", "topic":" ", "hardPoints":"", "introduction":"", "content_1":" ", "content_2":" ", "summary":"", "homework":"" }, "11":{ "date":"2020-3-30", "teachTarget": "", "topic":"简谐运动", "hardPoints":"", "introduction":"", "content_1":" ", "content_2":" ", "summary":"", "homework":"" }, "12":{ "date":"2020-4-1", "teachTarget": "", "topic":"共振", "hardPoints":"", "introduction":"", "content_1":" ", "content_2":" ", "summary":"", "homework":"" }, "19":{ "date":"2020-4-2", "teachTarget": "学习使用直接法推导梁单元刚度矩阵", "topic":"梁单元刚度阵直接法推导", "hardPoints":"梁单元刚度阵推导过程复杂，所需基础知识较多, 理解困难.", "introduction":"类比杆单元刚度阵，引入梁单元刚度阵.", "content_1":"简要回顾梁结构挠曲线微分方程，使用直接法推导梁单元刚度阵", "content_2":"继续使用直接法推导梁单元刚度阵。", "summary":"理解刚度阵公式中各项的物理意义。对比梁单元与杆单元刚度阵的异同", "homework":"使用梁单元刚度阵计算悬臂梁自由端挠度和转角" } } }