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MIDAS/Gen 应用实例教程及疑难解答

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Jingdong book

MIDAS/Gen 应用实例教程及疑难解答

Name: MIDAS/Gen 应用实例教程及疑难解答
Brand: Jingdong book
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《MIDAS/Gen 应用实例教程及疑难解答》是一本MIDAS／Gen程序的入门书。它打破了常规的程序手册的写作格式，尽量做到相关问题集中介绍，方便查阅，避免翻来翻去，因此，《MIDAS/Gen 应用实例教程及疑难解答》有助于结构设计师尽快掌握MIDAS／Gen程序。按《MIDAS/Gen 应用实例教程及疑难解答》逐页简单浏览一遍，即可容易地入门MIDAS／Gen。
全书共分8章，包括：软件的概况、建模、荷载输入、分析控制选项、分析结果查看、截面设计、工程实例、疑难问题解答等。
《MIDAS/Gen 应用实例教程及疑难解答》适合于从事建筑结构设计的工程师快速掌握MIDAS／Gen软件的基本操作，也适合于有志于结构设计的在校学生了解学习MIDAS／Gen。

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第1章 MIDAS／Gen的概况
1.1 通过简单的例题来介绍MIDAS／Gen的操作
1.1.1 工程概况
1.1.2 建立模型及运行分析
1.1.3 结果查看
1.1.4 构件设计
1.2 MIDAS／Gen软件在有限元软件领域里的地位及其应用范围
1.3 MIDAS／Gen软件的操作图形界面
1.3.1 主菜单
1.3.2 树形菜单
1.3.3 关联菜单
1.3.4 模型窗口
1.3.5 表格窗口
1.3.6 信息窗口
1.3.7 状态条
1.3.8 工具条和图标菜单
1.4 MIDAS／Gen软件的坐标系
1.4.1 全局坐标系
1.4.2 单元坐标系
1.4.3 节点坐标系
1.5 MIDAS／Gen软件的单元类型、边界条件、材料类型
1.5.1 MIDAS／Gen软件的单元类型
1.5.1.1 桁架单元
1.5.1.2 梁单元／变截面梁单元
1.5.1.3 板单元
1.5.1.4 墙单元
1.5.2 MIDAS／Gen软件的边界条件
1.5.2.1 节点边界条件
1.5.2.2 单元边界条件
1.5.3 M1DAS／Gen软件的材料类型
1.6 MIDAS／Gen软件的选择、捕捉及激活、钝化功能
1.6.1 选择功能
1.6.2 激活／钝化功能
1.6.3 捕捉功能

第2章应用MIDAS／Gen软件建模
2.1 结构建模助手的使用
2.1.1 梁建模助手
2.1.2 柱建模助手
2.1.3 拱建模助手
2.1.4 框架建模助手
2.1.5 桁架建模助手
2.1.6 板建模助手
2.1.7 壳建模助手
2.2 定义点格和轴网的几种方法
2.2.1 定义点格
2.2.2 定义轴网
2.3 定义用户坐标系
2.3.1 用户坐标系（UCS）的定义
2.3.2 已定义用户坐标系（UCS）的使用、保存
2.4 命名平面
2.4.1 通过平面上的三个点命名平面
2.4.2 通过选择平行于全局坐标系（GCS）的X-Y平面的平面命名平面
2.4.3 通过选择平行于全局坐标系（GCS）的X-Z平面的平面命名平面
2.4.4 通过选择平行于全局坐标系（GCS）的Y-Z平面的平面命名平面
2.5 材料特性、截面特性的定义
2.5.1 定义材料特性
2.5.2 定义截面特性
2.5.3 截面特性值系数
2.5.4 厚度的定义
2.6 线性单元的输入
2.6.1 布置在直线上的桁架单元、梁单元的输入
2.6.2 布置在曲线上的桁架单元、梁单元的输入
2.6.3 只受拉单元、只受压单元的输入
2.7 平面单元、实体单元的输入
2.7.1 板单元的输入
2.7.2 墙单元的输入
2.7.3 平面应力单元、平面应变单元、轴对称单元的输入
2.7.4 实体单元的输入
2.8 修改已输入的单元
2.8.1 删除单元
2.8.2 复制、移动单元
2.8.3 旋转复制、旋转移动单元
2.8.4 镜像单元
2.8.5 扩展单元
2.8.6 合并单元
2.8.7 分割单元
2.8.8 修改单元参数
2.9 边界条件的输入与修改
2.9.1 一般支撑
2.9.2 释放梁端部约束
2.9.3 考虑刚域效果
2.10 建筑物数据
2.10.1 复制层数据
2.10.2 定义层数据
2.11 结构类型

第3章荷载的输入
3.1 定义静力荷载工况
3.2 结构自重的输入
3.3 节点荷载的输人
3.4 梁单元荷载的输入
3.4.1 输入梁单元上中间的集中荷载或均匀荷载
3.4.2 对位于一条直线上的几个梁单元输入连续粱荷载
3.4.3 按程序提供的标准模式输入由楼板传来的特殊类型的荷载
3.5 楼面荷载的定义和分配
3.5.1 楼面荷载的定义
3.5.2 楼面荷载的分配
3.6 压力荷载
3.7 风荷载
3.8 地震作用的输入
3.8.1 反应谱分析数据的输入
3.8.1.1 定义反应谱数据
3.8.1.2 输入反应谱荷栽条件
3.8.2 时程分析数据的输入
3.8.2.1 定义时间荷载函数
3.8.2.2 输入时程分析条件的名称和控制分析用数据
3.8.2.3 指定所要考虑的时程分析条件和看做地面运动的时问荷栽
3.9 将荷载转换成质量

第4章结构分析控制选项
4.1 结构分析的基本原理
4.2 分析控制选项
4.2.1 主控数据
4.2.2 P-Delta分析控制
4.2.3 屈曲分析控制
4.2.4 特征值分析控制
4.2.5 非线性分析控制
4.2.6 分析选项
4.2.7 运行分析

第5章分析结果的查看
5.1 反力结果查看
5.1.1 反力
5.1.2 查看反力
5.2 位移结果查看
5.2.1 位移形状
5.2.2 位移等值线
5.2.3 查看位移
5.3 内力结果查看
5.3.1 梁单元内力结果查看
5.3.2 板单元内力结果查看
5.4 应力结果查看
5.4.1 梁单元应力结果查看
5.4.2 板单元应力结果查看
5.4.3 实体单元应力结果查看
5.5 结构周期与位移结果
5.5.1 结构周期结果
5.5.2 结构位移结果
5.6 分析表格的生成

第6章结构构件截面设计
6.1 一般设计参数
6.1.1 定义计算长度系数
6.1.2 活荷载折减系数
6.1.3 指定构件
6.1.4 反转构件方向
6.1.5 定义加腋梁
6.1.6 自由长度（I，Lb）
6.1.7 计算长度系数（K）
6.1.8 极限长细比
6.1.9 等效弯矩系数（Beta_m）
6.1.10 编辑活荷载折减系数
6.1.11 地震作用放大系数
6.1.12 抗震等级
……

第7章工程实例
第8章 MIDAS/Gen疑难问题解答

Book Abstract

结果直接转换为文本形式。另外，MIDAS／Gen在开发阶段通过几千种例题的计算，将其计算结果与理论值以及其他S／w的计算结果进行了比较、验证，并通过应用于大量的工程项目中，证明了其准确性和高效性。
在verification Manual中包含了以上例题中最具代表性的一些例题。在决定分析结构精确性的有限元运算原理方面，由于采用了最新理论，故可计算出比其他类似程序更为精确的计算结果。
MIDAS Family Program在开发阶段通过几千种例题鉴定了理论值以及完成了与其他S／w的比较鉴定，内含最新的理论，能得出可靠的分析结果。
自1989年开发以来，使用于包括政府机关在内的国内外4000多个工程项目中，证明了其效率和准确性。
MIDAS Family Progi-am通过了财团法人韩国电算结构工学会的严格鉴定。在计算机技术方面，MIDAS／Gen所使用的是客体指向性语言Visual C++，因此可以充分地使32bit视窗环境的优点和特点得到发挥。以用户为中心的输入输出功能使用的是精确而且直观的用户界面和尖端的电脑图形技术，从而为复杂的大型建筑物的建模和分析提供了很大的便利。
在结构设计方面，MIAS／Gen全面强化了实际工作中结构分析所需要的分析功能。通过在已有的有限元库中加入索单元、钩单元、间隙单元等非线性单元，结合施工阶段、时间依存性、几何非线性等最新结构分析理论，从而计算出更加准确的和切合实际的分析结果。建模技术采用的是自行开发的新概念CAD形式的建模技术，加以如Auto Mesh Gene，ation、结构建模助手等高效自动化建模功能，可以更加提高建模效率。设计方面包含有ACI标准、钢结构设计用容许应力设计法（ASD）、极限强度设计法（LSD、LRFD）等多种最新的荷载标准和设计规范。特别是钢结构的优化设计（ptimal Design）功能可以在考虑多种设计要求的基础上进行最优化的轻量设计，从而提高了效率和精确性。

Introduction

当下的建筑设计行业，具有非常明显的两个特点：一是建筑形态的日益复杂化，二是留给设计师的计算时间越来越少。这使得结构设计师越来越急迫地需要掌握相对精确且简单便捷的计算分析程序。MIDAS／Gen就是一款相对精确且简单便捷的计算分析程序。
本书充分考虑了结构设计师的特点，打破了常规的程序手册的写作格式，尽量做到相关问题集中介绍，方便查阅，避免翻来翻去。作者相信，本书的出版有助于结构设计师尽快掌握MIDAS程序。按本书逐页简单浏览一遍，即可容易地入门MIDAS／Gen。
本书适合于从事建筑结构设计的2r_程师快速掌握MIDAS／Gen软件的基本操作，也适合于有志于结构设计的在校学生了解学习MIDAS／Gen。
本书由王昌兴主编，田立强、王雷、徐珂、郑蓉军编写。房英健、古今提供了部分模型。赵建敏、陈春材、刘会兴审阅了稿件。在本书编写出版过程中，清华城市规划设计院、迈达斯技术有限公司及中国建筑工业出版社给予了大力支持。值本书出版之际，特向他们致以衷心的感谢。

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