195柴油机飞轮组有限元分析.doc
文本预览下载声明
目 录
摘 要··································································Ⅲ
ABSTRACT····························································Ⅳ
1 前 言
1.1 195柴油机飞轮组有限元分析的目的及意义································1
1.2 195柴油机飞轮组有限元分析研究历史、现状和发展························2
1.3 本课题研究的主要内容·················································3
2 飞轮组的概述和受力
2.1 195柴油机飞轮组概述··················································4
2.1.1 195柴油机飞轮螺栓的材料 ···········································4
2.1.2 195柴油机飞轮螺栓的工作条件 ·······································4
2.2 195柴油机飞轮的概述···················································4
2.3 195柴油机飞轮螺栓的受力分析··········································5
2.3.1 195柴油机飞轮螺栓的预紧力 ·········································5
2.3.2 195柴油机飞轮螺栓承受的曲轴扭矩····································6
2.3.3 195柴油机飞轮螺栓承受的飞轮的惯性力矩······························6
2.4 195柴油机汽缸内的气体作用力···········································6
2.5 195柴油机曲轴的输出扭矩 ·············································8
3 飞轮组三维实体建模
3.1 Pro/E软件简介························································10
3.2 195柴油机飞轮的三维实体建模··········································11
3.3 195柴油机曲轴轴颈端的三维实体建模····································13
3.4 195柴油机飞轮螺栓连接螺母的三维实体建模······························14
3.5 195柴油机飞轮螺栓连接各实体模型的装配································15
3.6 建立有限元模型的策略和考虑的一般问题·································17
3.7 有限元模型的简化·····················································18
4 飞轮组有限元分析
4.1 有限元分析法及ANSYS软件应用简介···································20
4.2 195柴油机飞轮组简化模型导入ANSYS··································21
4.3 195柴油机飞轮组有限元模型网格划分的概述·····························24
4.3.1 网格划分的数量····················································25
4.3.2 网格划分的修改····················································25
4.3.3 网格划分的质量····················································25
4.3.4 网格的分界面和分界点··············································26
4.4 195柴油机飞轮组有限元模型网格划分的步骤·····························26
4.5 195柴油机飞轮组有限元模
显示全部