2, Advertent Problem in Modeling Process (1 Linearization Proceed to handle to the small quantity in high level Proceed the linearization that may be linearized (2) Experiment Verification After the model is established, proceed to analyse and neaten to the result of the computation, and return the actual problem and proceed the verification. generally and mostly it is proceeded through experiment
11 Proceed to handle to the small quantity in high level. Proceed the linearization that may be linearized. 2、Advertent Problem in Modeling Process After the model is established, proceed to analyse and neaten to the result of the computation, and return the actual problem and proceed the verification. Generally and mostly it is proceeded through experiment. （2）Experiment Verification （1）Linearization
论 二、建模过程中注意的问题 (1)线性化 对高阶小量进行处理,能进行线性化的,进行线性化 (2)实验验证 模型建立以后,对计算的结果进行分析整理,返回实际问 题进行验证,一般主要通过实验进行
12 对高阶小量进行处理，能进行线性化的，进行线性化。 二、建模过程中注意的问题 模型建立以后，对计算的结果进行分析整理，返回实际问 题进行验证，一般主要通过实验进行。 （2）实验验证 （1）线性化
8 1-2 The Basic Contents of the Elasticity l、 Investigative task The elasticity is a branch of the solid mechanics, the task of it is to research the elasticity objects stress, deformation and displacement due to external force or change of temperature 2, Investigative object The research object of the elasticity is general and complicated shape structure piece, entity structure, plate shell etc 13
13 The elasticity is a branch of the solid mechanics, the task of it is to research the elasticity object’s stress, deformation and displacement due to external force or change of temperature. §1-2 The Basic Contents of the Elasticity 1、Investigative task The research object of the elasticity is general and complicated shape structure piece, entity structure, plate shell etc. 2、Investigative object
论 §1-2弹性力学的基本内容 一、研究任务 弹性力学是固体力学的一个分支,研究弹性体由于受 外力作用或由于温度改变等原因而发生的应力、形变和位 移 研究对象 弹性力学的研究对象为一般及复杂形状的构件、实体 结构、板壳等。 14
14 弹性力学是固体力学的一个分支，研究弹性体由于受 外力作用或由于温度改变等原因而发生的应力、形变和位 移。 §1-2 弹性力学的基本内容 一、研究任务 弹性力学的研究对象为一般及复杂形状的构件、实体 结构、板壳等。 二、研究对象
3 The relation about the other course Theoretical mechanics: Study statics and dynamics of the rigid body (constraint force, velocity, acceleration) Material mechanics: research stress and displacement of the bar structure piece that is pulled, pressed, sheared, bent or turned Structual mechanics: research internal force and displacement of the bar structure Plasticity: plasticity analysis and design of the structure Elasticity: stress and displacement analysis of general plane problem, plate, shell and entity structure etc 15
15 Plasticity: plasticity analysis and design of the structure. 3、The relation about the other course： Material mechanics: research stress and displacement of the bar structure piece that is pulled, pressed, sheared, bent or turned. Theoretical mechanics: Study statics and dynamics of the rigid body(constraint force,velocity,acceleration). Structual mechanics: research internal force and displacement of the bar structure. Elasticity: stress and displacement analysis of general plane problem, plate, shell and entity structure etc