ansys弹簧建模有限元分析

1、ET,l,C0MBIN14,2ET,3,COMBIN40,2!UXANDUYDOFELEMENT（单元类型）!ALLMASSISATNODEJ,UXDOFELEMENTET,4,COMBIN4O,2,2R,l,lR,2,8/COMUSECOMBIN40MASS,!ALLMASSISATNODEJ,UYDOFELEMENT!SPRINGSTIFFNESS=1（刚度）!SPRINGSTIFFNESS=8K,ANDDAMPINGC,TOAPPROX.CRITICALDAMPINGR,3,1.41,l!C=1.41,M=1（实常数）R,4,2,lN,1（创建节点）!C=2,M=1N,2,10N,3,2

2、0N,4,-1,10N,5,9LOCAL,11,O,O,O,O,45（设置局不坐标）!ROTATENODESOLOADCAN!ELEMENT1ISNROTAT,2（移动工作坐标系）BEDIRECTLYAPPLIEDE,1,2（连接1,2单元被赋予实常数）SPRINGELEMENTWITHSTIFFNESS1REAL,2!ELEMENT2ISSPRINGE,2,3（连接2,3并且赋值）ELEMENTWITHSTIFFNESS8TYPE,3（单元3）REAL,3（实常数3）E,4,2（连接4,2并且赋值）!ELEMENT3ISCOMBINATIONELEMENTWITHC=1.41TYPE,4RE

3、AL,4E,5,2!ELEMENT4ISCOMBINATIONELEMENTWITHC=2NSEL,U,N0DE,2（无效果）D,ALL,ALL（在node定义自由度出约束定义节点自由度约束）NSEL,ALLFINISH/SOLUANTYPE,TRANSNLGEOM,ONKBC,1F,2,FX,7.071068AUTOTS,ONNSUBST,20OUTPR,20OUTPR,VENG,20TIME,15SOLVEFINISH/POST1SET,15ETABLE,SENE,SENESSUMTABLE!FULLTRANSIENTDYNAMICANALYSIS!LARGEDEFLECTION!STEP

4、BOUNDARYCONDITION!FORCEISINROTATEDNODALCOORDINATESYSTEM!ARBITRARYTIMEFORSLOWDYNAMICS!USEITERATIONWHENTIME=15!STORESTRAINENERGY!SUMALLACTIVEENTRIESINELEMENTSTRESS*GET,ST_EN,SSUM,ITEM,SENEPRNSOL,U,COMP!PRINTDISPLACEMENTSINGLOBALCOORDINATESYSTEM*GET,DEF_X,NODE,2,U,X*GET,DEF_Y,NODE,2,U,Y*DIM,LABEL,CHAR,

5、3,2*DIM,VALUE,3,3LABEL（1,1）=STRAINE,DEF_X（C,DEF_Y（CLABEL（1,2）=,N-cm,m）,m）*VFILL,VALUE（1,1）,DATA,24.01,8.631,4.533*VFILL,VALUE(1,2),DATA,ST_EN,DEF_X,DEF_Y*VFILL,VALUE(1,3),DATA,ABS(ST_EN/24.01),ABS(8.631/DEF_X),ABS(DEF_Y/4.533)/COM/OUT,vm9,vrt/COM,VM9RESULTSCOMPARISON/COM,/COM,|TARGET|ANSYS|RATIO/COM,*VWRITE,LABEL(1,1),LABEL(1,2),VALUE(1,