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1、接触分析代码整理目录1. /TITLE,Analysis of a Axis Contacting a hole in a Disc !定义标题22. 非线性分析综合应用实例冲击43. 非线性分析综合应用实例钢板卷制成圆筒64. ！本实例的轴为一等直径空心轴，盘为等厚度圆盘，其结构及尺寸如图20.1 所示。 105：ansys 中 contact 为什么没有 keyopt3136：求助一个用 Ansys 做出来的跟土木建筑结构有关的，147：桩 188：在做接触式逆止器的 ansys 分析，怎么定义接触对？ 229： ANSYS 不收敛2310.利用MPC技术对SOLID-SHELL单元进行连
2、接实例一简支梁2811SHSD 用于壳-实体装配实例 An 321./TITLE,Analysis of a Axis Contacting a hole in a Disc !定义标题 /PREP7!*ET,1,SOLID185 !定义单元类型!*MP,EX,1,2.1E5 !定义材料属性MP,PRXY,1,0.3!*CYL4,0,0,34,0,100,90,25 !创建四分之一圆环CYL4,0,0,25,0,35,90,150VGEN, ,2, , , , ,-10, , ,1 !移动轴!*LESIZE,17, , ,15, , , , ,1 !定义线的分网尺寸LESIZE,19, , ,
3、15, , , , ,1!*LESIZE,18, , ,2, , , , ,1LESIZE,20, , ,2, , , , ,1!*LESIZE,22, , ,20, , , , ,1!*LESIZE,5, , ,10, , , , ,1LESIZE,7, , ,10, , , , ,1!*LESIZE,6, , ,8, , , , ,1LESIZE,8, , ,8, , , , ,1!*LESIZE,10, , ,3, , , , ,1!*VSWEEP,ALL !用扫掠方式对创建的体进行网格划分!*/COM, CONTACT PAIR CREATION - STARTMP,MU,1,0.2
4、!定义接触摩擦系数MAT,1R,3 !定义接触实常数REAL,3ET,2,170 !定义接触单元类型ET,3,174R,3,0.1,0.1,NROPT,UNSYM!* Generate the target surface 下面创建目标面ASEL,S,4CM,_TARGET,AREATYPE,2NSLA,S,1ESLN,S,0ESURF,ALL!* Generate the contact surface 下面创建接触面ASEL,S,9CM,_CONTACT,AREATYPE,3NSLA,S,1ESLN,S,0ESURF,ALLCMDEL,_TARGETCMDEL,_CONTACTALLSEL
5、,ALLEPLOTFINISH!*/SOLU 进入求解器DA,5,SYMM !定义面的对称位移边条DA,6,SYMMDA,11,SYMMDA,12,SYMMDA,3,ALL, !定义面的位移约束条件!*ANTYPE,0 !指定分析类型为静力分析NLGEOM,1 !考虑大变形影响AUTOTS,0TIME,100SOLVE !求解第一载荷步!*NSUBST,150,10000,10OUTRES,ALL,ALLAUTOTS,1TIME,250NSEL,S,LOC,Z,140 !选定轴向坐标为140 的所有节点 D,ALL,UZ,40ALLSEL,ALLSOLVE !求解第二载荷步!*/EXPAND,
6、4,POLAR,HALF,90 !进行模型扩展 /REPLOT!*/POST1 !进入同样后处理器SET,1,LAST,1, !指定查看的载荷步 PLNSOL,S,EQV,0,1 !查看等效应力的云图 !*SET, , ,1, ,120, ,ESEL,S,ENAME,174EPLOTPLNSOL,CONT,PRES,0,1PLNS,S,EQVANDATA,0.5, ,1,0,0,1,1,1 !查看动画显示 /POST26RFORCE,2,925,F,Z, FZ_2 !定义约束反力变量PLVAR,2, !绘制变量时间曲线FINISH2. 非线性分析综合应用实例冲击 /CLEAR/FILNAM,
7、EXAMPLE19/PREP7ET,1,SOLID45ET,2,SHELL43ET,3,COMBIN14ET,4,CONTA173ET,5,TARGE170MP,EX,1,2E11MP,NUXY,1, 0.3MP,DENS,1,7800TB,BKIN,1,1TBTEMP,0TBDATA,240E6,2E8R,1,0.06R,2,100000R,3,0.5 !法向接触刚度因子 /VIEW,1,1,1,1K,1,-0.8,0,-1.5K,2,-0.8,0,1.5K,3,0.8,0,1.5K,4,0.8,0,-1.5A,1,2,3,4TYPE,2REAL,1ESIZE,0.08AMESH,1BLOC
8、K,-0.1,0.1,0.001,0.201,-0.1,0.1 TYPE,1ESIZE,0.05VMESH,1N,950,-0.8,-0.5,-1.5N,951,0.8,-0.5,-1.5N,952,0.8,-0.5,1.5N,953,-0.8,-0.5,1.5TYPE,3REAL,2E,1,950E,60,951E,40,952E,2,953NSEL,S,950,953,1D,ALL,ALLALLSELNSEL,S,LOC,Y,0NSEL,R,LOC,X,-0.3,0.3NSEL,R,LOC,Z,-0.3,0.3REAL,3TYPE,5ESURFALLS !alls, lclear,all,
9、来清理网格，再重新划分单元ASEL,S,loc,y,0.001NSLA,S,1 ！nsla, type, nkey: 选择与选中面相关的节点REAL,3TYPE,4ESURFALLSFINI/SOLUANTYPE,TRANSACEL,0,9.8VSEL,S,1NSLV,S,1IC,ALL,UY,-8 !IC 应该是定义初始条件的一个命令D,ALL,UXD,ALL,UZALLSKBC,0LNSRCH,ONAUTOT,ONOUTRES,ALL,ALLTIME,0.0013DELTIM,2.5E-5,1E-6,4E-5SOLVEFINI /POST1PLNSOL,S,EQV, 0,1.0FINI/P
10、OST26NSOL,2,880,U,YDERIV,3,2,1DERIV,4,3,1PLVAR,2FINI3. 非线性分析综合应用实例钢板卷制成圆筒/CLEAR !清除数据库，新建文件/FILNAM, EXAMPLE20 !指定工作名/CONFIG, NRES,2000!设置最大子步数!前处理/PREP7 !进入前处理器/PNUM, VOLU,ON !打开体号ET,1,SHELL43 !选择单元类型，壳单元用于划分上下辊 ET,2,SOLID186 !实体单元用于划分钢板MP,EX,1,2E11 !定义材料模型1 的弹性模量MP,DENS,1,7800 !定义材料模型1 的密度MRNUXY,1,
11、0.3!定义材料模型1的泊松比MP,EX,2,2E11 !定义材料模型2的弹性模量MP,DENS,2,7800!定义材料模型2的密度MRNUXY20.3!定义材料模型2的泊松比TB,BKIN,2,1TBTEMP,0TBDATA, ,240E6,2E8!定义材料模型2的屈服极限、切向模量R,1,0.02 !定义实常数1，壳单元的厚度CYLIND,0.38/2,0,0.3,2.3,0,360 !创建上辊，圆柱体CYLIND,0.38/4,0,0.3,0,0,360CYLIND,0.38/4,0,2.6,2.3,0,360VGLUE,ALL!粘接VSEL,NONEWPOFF,0.54/2,-0.4
12、!偏移工作平面原点到右下辊中心CYLIND,0.3/2,0,0.3,2.3,0,360 !创建右下辊，圆柱体CYLIND,0.3/4,0,0.3,0,0,360CYLIND,0.3/4,0,2.6,2.3,0,360VGLUE,ALLVSEL,NONEWPOFF,- 0. 54 !偏移工作平面原点到左下辊中心CYLIND,0.3/2,0,0.3,2.3,0,360 !创建左下辊，圆柱体CYLIND,0.3/4,0,0.3,0,0,360CYLIND,0.3/4,0,2.6,2.3,0,360VGLUE,ALLALLS !选择所有实体VDELE,ALL!删除体，但保留面HPTCREATE,ARE
13、A,5,COORD !在上辊端面中心处创建硬点HPTCREATE,AREA,10,COORD,0,0,2.6HPTCREATE,AREA,34,COORD,-0.54/2,-0.4,2.6!在左下辊端面中心处创建硬点HPTCREATE,AREA,29,COORD,-0.54/2,-0.4,0HPTCREATE,AREA,22,COORD,0.54/2,-0.4,2.6 !在右下辊端面中心处创建硬点HPTCREATE,AREA,17,COORD,0.54/2,-0.4,0MAT,1!为上下辊划分单元指定属性，材料模型TYPE,1!单元类型REAL,1 !实常数ESIZE,0.05!指定单元边长度
14、SMRTSIZE,8 !指定智能尺寸级别MSHAPE,1!指定单元形状为三角形AMESH,ALL!对所有面划分单元BLOCK,0.7,-1.0,0.3/2+.02,0.3/2+.02+0.03,0.5,2.1 !创建钢板，块LESIZE,96,1!指定线96（钢板厚度）被划分为1 段MAT,2!为钢板划分单元指定属性TYPE,2MSHKEY, 1!映射网格MSHAPE,0!指定单元形状为六面体ESIZE,0.05!指定单元边长度VMESH,ALL!对块划分网格ET,4,TARGE170!指定单元类型，用于创建接触对ET,5,CONTA174KEYOPT,5,12,1 !设置单元5 接触表面无滑动R,10,0.1 !定义实常数，KFN=0.1R,11,0.1R,12,0.1ASEL,S,40 !在钢板上表面和上辊表面建立接触对NSLA,S,1NSEL,U,LOC,Z,0.8,1.8MAT,3REAL,10TYPE,4ESURFALLSASEL,S,3,4,1NSLA,S,1NSEL,U,LOC,Z,0.9,1.7NSEL,U,LOC,Z,0.3,0.4NSEL,U,LOC,Z,2.2,2.3MAT,3
