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1、筒仓练习9A选择9A.选择筒仓说明选择对象,指定实体单元属性并划分网格.模型由壳和梁组成.January30,2001Inventory#001442W9-9A.选择筒仓单元类型:柱和锥体全部用SHELL63(类型1)单元.锥体的肋用BEAM4(类型2)单元.January30,2001Inventory#001442W9-9A.选择筒仓材料:柱体用混凝土材料（材料2）.锥体及其肋用钢材(材料1).January30,2001Inventory#001442W9-9A.选择筒仓实常数:壳厚度=1.0(实常数1)用于柱体.壳厚度=0.375(实常数2)用于锥体上部.壳厚度=0.
2、25(实常数3)用于锥体下部.梁常数(实常数4)用于肋.January30,2001Inventory#001442W9-9A.选择筒仓1.按教师指定的工作目录，用“silo”作为作业名，进入ANSYS:UtilityMenu>File>Resumefrom…选择“silo.db1”数据库文件,然后按[OK]或者用命令:RESUME,silo,db13.在“选择实体”菜单上选择柱体区域:UtilityMenu>Select>Entities…选择“Areas”,“ByLocation”,“Zcoordinates”设置Min,Max=0,120按[Apply]按[Plot]或
3、者用命令:ASEL,S,LOC,Z,0,120APLOTJanuary30,2001Inventory#001442W9-9A.选择筒仓4.指定柱体模型属性:MainMenu>Preprocessor>MeshTool…选择“Areas”,然后按[Set]拾取[PickAll]设置MAT=2设置REAL=1设置TYPE=“1SHELL63”按[OK]或者用命令:AATT,2,1,1January30,2001Inventory#001442W9-9A.选择筒仓5指定锥体的属性:UtilityMenu>Select>Entities…选择“Areas”拾取[Pickall]按[
4、Plot]UtilityMenu>Select>Entities…选择“Areas”，“ByNum/Pick”按[Apply]拾取图中面的右边.按[OK]按[Plot]MainMenu>Preprocessor>MeshTool…选择“Areas”,然后按[Set]拾取[Pickall]设置MAT=1设置REAL=2设置TYPE=“1SHELL63”按[OK]或者用命令:ASEL,S,PAPLOTAATT,1,2,1January30,2001Inventory#001442W9-9A.选择筒仓6.选择锥体下部，指定实体模型属性:UtilityMenu>Select>Enti
5、ties…选择“Areas”,“ByLocation”,“Zcoordinates”设置Min,Max=-60,-30按[Apply]按[Replot]MainMenu>Preprocessor>MeshTool…选择“Areas”,然后按[Set]拾取[PickAll]设置MAT=1设置REAL=3设置TYPE=“1SHELL63”按[OK]或者用命令:ASEL,S,LOC,Z,-60,-30APLOTAATT,1,3,1January30,2001Inventory#001442W9-9A.选择筒仓7.在锥体上选择线，然后指定单元属性:UtilityMenu>Select
6、>Entities…选择“Lines”,“ByLocation”,“Zcoordinates”设置Min,Max=-60,0按[Apply]按[Plot]MainMenu>Preprocessor>MeshTool…选择单元属性下的“Lines”:,然后[Set]拾取[PickAll]设置MAT=1设置REAL=4设置TYPE=“2BEAM4”按[OK]或者用命令:LSEL,S,LOC,Z,-60,0LPLOTLATT,1,4,2January30,2001Inventory#001442W9-9A.选择筒仓8.用BEAM4单元划分线:MainMenu>Preprocesso
7、r>MeshTool…在网格菜单下选择“Lines”:,然后按[Mesh]拾取[PickAll]或者用命令:LMESH,ALLJanuary30,2001Inventory#001442W9-9A.选择筒仓9.选择全部实体，用SHELL63单元划分面:UtilityMenu>Select>EverythingUtilityMenu>Plot>AreasMainMenu>Preprocessor>MeshTool…在网格划分工具中选择“Areas”:,然后按[Mesh]拾取[PickAll]或者用命令:A
