. . .. . .
目录
目录....................................................................................................................................................1
1. 优化设计根底................................................................................................................................2
1.1 优化设计概述......................................................................................................................2
1.2 优化设计作用......................................................................................................................2
1.3 优化设计流程......................................................................................................................3
2. 问题描述........................................................................................................................................3
3. 问题分析........................................................................................................................................4
4. 构造静力学分析............................................................................................................................5
4.1 创立有限元模型..................................................................................................................5
1〕翻开已画好的连杆草图,创立仿真,新建 FEM,在有限元模型环境中,依次
添 加 “ 材 料 属 性 〞 为 “ Iron_Cast_G40 〞 ; 完 成 后 继 续 添 加 “ 物 理 属 性 〞 , 在
“Material〞中选取“Iron_Cast_G40〞。............................................................................5
2〕在“网格补集器〞中选择需要添加网格属性的实体,再对实体添加“3D 四面体
网格〞,网格大小参数为 2,;添加网格后,需利用“有限元模型检查〞对此网格进
展检查,以确保结果的准确性。连杆模型网格划分效果如图 4.1 所示。.................5
4.2 创立仿真模型并修改理想化模型......................................................................................6
新建仿真,在“创立结算方案〞中“分析类型〞为“构造〞,“解算方案类型〞为
“SESTATIC101-单约束〞,勾选“迭代求解器〞命令。................................................6
进入理想化模型环境中,利用“再分割面〞将小圆孔外表划分为两局部,为右侧
添加单侧载荷提供便利。面分割结果如图 4.2 所示。..................................................6
返回到有限元模型环境中,更新有限元模型,完成之后,返回到仿真模型环境。
.............................................................................................................................................6
4.3 定义约束及载荷..................................................................................................................6
4.4 求解......................................................................................................................................7
5. 构造优化分析................................................................................................................................8
5.1 建立优化解算方案..............................................................................................................8
5.2 优化求解及其结果查看......................................................................................................9
6. 结果分析......................................................................................................................................12
7. 案例小结......................................................................................................................................12
.. .专业 . .