作业:2-14,2-18, 2-23,2-26Page2本 讲 内 容§2-5应力集中概念第二章 轴向拉伸与压缩§2-6失效、许用应力与强度条件§2-7胡克定律与拉压杆的变形 几何形状不连续处应力局部增大的现象,称为应力集中(stress concentration)。 截面尺寸变化越剧烈,应力集中就越严重。构件上孔洞、刻槽、凹角、裂纹以及截面厚度或宽度改变等部位,在力作用下,该处出现高峰应力,而
单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级单击此处编辑母版标题样式单击此处编辑母版文本样式第二级第三级第四级第五级 现在进行时句式:表示正在进行的动作 肯定句: 主语be 动词ing其他 e.g. I am staying at home . 否定句: 主语be n
2024-07-09Chapter 2-11CHAPTER 2 Mathematical Models of Systems 控制系统的数学模型By 柳春平2024-07-09Chapter 2-12控制系统的数学模型课程回顾 (1)时域模型 微分方程 元部件及系统微分方程的建立 线性定常系统微分方程的特点 非线性方程的线性化 微分方程求解2024-07-09Chapter 2-13课程回顾
PROCESS COSTACCOUNTINGChapter 20Used for production of small,identical, low-cost itemsMass produced in automatedcontinuous production processCosts cannot be directly tracedto each unit ofOPERATION
COST ALLOCATION AND PERFORMANCE MEASUREMENTChapter 21ALLOCATING COSTS FORPRODUCT COSTING One of the most difficult tasks inputing accurate unit costs lies in determining the proper amount of over
COST-VOLUME-PROFITANALYSISChapter 22 Cost-volume-profit analysis is used to answer questions such as:What sales volume is needed to earn a target ieWhat is the change in ie if selling prices
FLEXIBLE BUDGETS ANDSTANDARD COSTSChapter 24Management usesbudgets to monitorand controloperations Develop the budgetfrom planned objectivespareactual with budget andanalyze anydifference
CAPITAL BUDGETING AND MANAGERIAL DECISIONSChapter 25Capital budgeting:Analyzing alternative long-term investments and deciding which assets to acquire orBUDGETINGC 1PAYBACK PERIODThe payback perio
MASTER BUDGETSAND PLANNINGChapter 23C 1BudgetProcessConsists of managers from all departmentsof the organizationProvides central guidance to insure that individual budgets submitted from all depart
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