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ANSYS Workbench 2022/ LS-DYNA非线性有限元分析实例指导教程
$48.47
ANSYS Workbench 2022/LS-DYNA实现了LS-DYNA求解器的强大计算功能与ANSYS Workbench中提供的前处理和后处理工具的完美结合。本书对ANSYS Workbench 2022/LS-DYNA进行了由浅入深的讲解,全书分为两大部分:部分介绍了ANSYS Workbench 2022/LS-DYNA的基础知识、应用方法及要点;第二部分结合实例介绍了LS-DYNA的一些典型应用,并讲述了一些新的模块和新的方法。本书可作为理工科院校的本科生和研究生学习ANSYS Workbench 2022/LS-DYNA的培训教材,也可作为从事结构分析相关行业的工程技术人员使用ANSYS Workbench 2022/LS-DYNA的参考书。
前言第1章 CAE与ANSYS Workbench 简介11.1 CAE技术及其优越性21.1.1 CAE技术流程21.1.2 CAE的优越性31.2 ANSYS Workbench概述31.2.1 ANSYS Workbench的特点41.2.2 ANSYS Workbench 应用程序分类41.2.3 ANSYS Workbench文档管理51.3 ANSYS Workbench 2022的图形界面71.3.1 工具箱81.3.2 项目原理图81.3.3 系统和单元格91.3.4 单元格的类型101.3.5 了解单元格状态111.3.6 项目原理图中的链接12第2章 ANSYS Workbench 2022/LS-DYNA基础132.1 ANSYS Workbench/LS-DYNA简介142.1.1 LS-DYNA的功能特点142.1.2 LS-DYNA的应用领域152.1.3 LS-DYNA的文件系统172.2 隐式与显式时间积分182.3 ANSYS Workbench/LS-DYNA分析的一般流程202.4 ANSYS Workbench中创建LS-DYNA分析系统21第3章 定义工程数据223.1 定义工程数据的流程233.1.1 材料库233.1.2 添加库中的材料243.1.3 添加新材料253.1.4 材料模型选择要点263.2 弹性材料模型263.2.1 线性弹性材料模型263.2.2 超弹性材料模型283.2.3 黏弹性材料模型313.3 非弹性材料模型313.3.1 塑性材料模型313.3.2 成形塑性材料模型353.3.3 失效材料模型403.4 与状态方程相关的材料模型423.4.1 体积模量材料模型433.4.2 剪切模量材料模型433.4.3 多项式EOS材料模型433.4.4 冲击EOS线性材料模型443.4.5 冲击EOS双线性材料模型453.5 其他材料模型463.5.1 泡沫材料模型463.5.2 Eulerian材料模型473.5.3 LS-DYNA外部模型材料473.5.4 刚性体模型47第4章 DesignModeler应用程序494.1 DesignModeler简介504.1.1 建模前的规划504.1.2 进入DesignModeler514.1.3 DesignModeler操作界面介绍514.1.4 DesignModeler和CAD类文件的交互554.2 DesignModeler的操作564.2.1 图形的控制564.2.2 选择过滤器574.2.3 快捷菜单584.3 绘制草图604.3.1 创建新平面604.3.2 创建新草图614.3.3 草图工具箱624.3.4 绘制草图辅助工具664.4 三维特征建模674.4.1 挤出684.4.2 旋转704.4.3 扫掠714.4.4 蒙皮/放样714.4.5 薄/表面724.5 三维建模高级功能和工具734.5.1 几何体转换734.5.2 几何体操作754.5.3 模式(阵列)764.5.4 Boolean(布尔)操作774.5.5 直接创建几何体774.5.6 冻结和解冻体784.6 概念建模784.6.1 线操作784.6.2 面操作804.6.3 定义横截面81第5章 Mechanical应用程序845.1 启动Mechanical应用程序855.2 Mechanical用户界面855.2.1 Mechanical选项卡865.2.2 图形工具栏885.2.3 轮廓窗格895.2.4 详细信息窗格895.2.5 视图区905.2.6 状态栏915.2.7 快速启动91第6章 网格划分936.1 网格划分概述946.1.1 网格划分流程946.1.2 分析类型946.2 网格划分方法956.2.1 自动划分方法956.2.2 四面体网格划分方法966.2.3 六面体主导网格划分方法976.2.4 扫掠网格划分方法976.2.5 多区域网格划分方法986.2.6 笛卡儿网格划分方法996.3 全局网格控制996.3.1 分辨率996.3.2 全局单元尺寸996.3.3 初始尺寸种子1006.3.4 平滑和过渡1006.4 局部网格控制1016.4.1 尺寸调整1016.4.2 接触尺寸1026.4.3 加密1026.4.4 面网格剖分1026.4.5 匹配控制1036.4.6 收缩1036.4.7 膨胀1036.5 网格工具1046.5.1 生成网格1046.5.2 截面1056.5.3 创建命名选择106第7章 LS-DYNA的单元算法1077.1 ANSYS Workbench/LS-DYNA的单元特性1087.1.1 BEAM1087.1.2 SHELL1117.1.3 SOLID1127.1.4 MASS1147.2 定义单元算法1147.3 缩减积分与沙漏1157.3.1 缩减积分单元1157.3.2 沙漏概述1167.3.3 沙漏控制技术1167.3.4 单元综合要点117第8章 载荷、约束、初始条件和连接1188.1 施加载荷1198.1.1 施加载荷的方法和载荷类型1198.1.2 定义表格数据、载荷图形1218.2 施加约束1228.3 施加初始条件1238.4 “LSDYNA Pre”选项卡1238.4.1 刚体工具1248.4.2 条件1248.4.3 接触特性1258.5 定义连接1258.5.1 焊点1268.5.2 弹簧1278.5.3 梁1278.6 接触及其定义1288.6.1 与接触有关的基本概念1288.6.2 LS-DYNA的接触算法1298.6.3 LS-DYNA的接触类型1308.6.4 定义接触1338.6.5 穿透问题及解决措施137第9章 求解与求解控制1399.1 求解基本参数设定1409.1.1 计算时间控制1409.1.2 输出控制1419.1.3 其他求解控制1439.1.4 输出k文件1449.2 求解与求解监控1459.2.1 求解过程描述1459.2.2 求解监控1489.2.3 求解中途退出的原因1509.2.4 负体积产生的原因1519.3 重启动1529.3.1 简单重启动1529.3.2 小型重启动1539.3.3 完全重启动1549.4 LS-DYNA输入数据格式1549.4.1 关键字文件的格式1559.4.2 关键字文件的组织关系156第10章 AN
前 言随着计算力学、计算数学、工程管理学,特别是信息技术的飞速发展,数值模拟技术日趋成熟,已广泛应用于土木、机械、电子、能源、冶金、国防军工和航天航空等诸多领域,并对这些领域产生了深远的影响。随着计算机技术的迅速发展,有限元分析越来越多地在工程领域中用于仿真模拟以及求解真实的工程问题,由此也产生了一批非常成熟的通用和专业有限元分析软件。ANSYS软件是由美国ANSYS公司开发,融结构、流体、电场、磁场和声场分析于一体的大型通用有限元分析软件,能与多数CAD软件实现数据的共享和交换,是现代产品设计的高级CAE工具之一。ANSYS Workbench 是ANSYS公司开发的新一代协同仿真软件,与传统的ANSYS软件相比,它更利于协同仿真和项目管理,可以进行双向的数据传输,具有复杂装配件接触关系的自动识别和接触建模功能,可对复杂的几何模型进行高质量的网格处理,其自带的可定制的工程材料数据库非常方便用户进行编辑及应用,且支持所有ANSYS软件的有限元分析功能。LS-DYNA是一款著名的通用显式非线性动力分析软件,能够模拟真实世界中的复杂问题,广泛应用于汽车、航空航天、建筑、军事和生物工程等行业。ANSYS Workbench 2022/LS-DYNA则实现了LS-DYNA求解器的强大计算功能与ANSYS Workbench中提供的前处理和后处理工具的完美结合,其用户界面更加友好,易用性更强。本书的特点之一是理论与实践相结合,具有很强的可读性和实用性。全书分为两大部分,部分介绍了ANSYS Workbench 2022/LS-DYNA分析系统的基础知识、应用方法及要点,主要包括CAE与ANSYS Workbench 简介,ANSYS Workbench 2022/LS-DYNA基础,定义工程数据,DesignModeler应用程序,Mechanical应用程序,网格划分,LS-DYNA的单元算法,载荷、约束、初始条件和连接,求解与求解控制,ANSYS Workbench/LS-DYNA后处理;第二部分结合实例介绍了LS-DYNA的一些典型应用,主要包括产品的坠落测试分析,板料冲压及回弹分析,鸟撞发动机叶片模拟,金属塑性成形模拟,冲击动力学问题的分析,侵彻问题的分析,ALE、SPH高级分析,并讲述了一些新的模块和新的方法。随书配送的电子资料包中包含了所有实例的素材源文件,以及全程实例配音讲解动画AVI文件。读者可以登录百度网盘(地址:https://pan.baidu.com/s/1WS42tRSamGyGXiffAC8PBA;密码:swsw)或者扫描下方的二维码进行下载。本书由三维书屋工作室总策划,河北交通职业技术学院的胡仁喜博士和康士廷主要编写,刘昌丽、闫聪聪、杨雪静、卢园、孟培、李亚莉、解江坤、张亭、毛瑢、闫国超、吴秋彦、甘勤涛、李兵、王敏、孙立明、王玮、王培合、王艳池、王义发、王玉秋、张琪朱玉莲、徐声杰、张俊生、王兵学、秦志霞等也参加了部分编写工作。由于编者水平有限,书中纰漏在所难免,恳请广大读者不吝赐教(可发邮件至714491436 @ qq.com)。也欢迎加入三维书屋图书学习交流群(QQ:180284277)交流探讨。编 者
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