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1、!mono brick wall!solid65-整体式建模!*Finish/clear/units,si/com,Structural/config,nres,400000/prep7/title,mono-brick-wall!*depth_sup=0.24 !弹性支垫 240mm!单元属性!for brick, mortar and leveling coatet,1,solid65!*KEYOPT,1,1,0KEYOPT,1,5,0KEYOPT,1,6,0KEYOPT,1,7,1!for elastic supportet,2,solid45!*-砌体材料 -!MU10,M5 砌体材料
2、属性mp,prxy,1,0.15mp,dens,1,1700mp,ex,1,0.24e10!砌体屈服准则TB,MKIN,1TBTEMP,strainTBdata,1,0.2E-3,1.0E-3,2.0E-3,3.0E-3,4.8E-3TBTEMP,!TBDATA,1,0.48E6,0.82E6,1.32E6,1.5E6,1.32E6TBDATA,1,0.48E6,1.31E6,2.11E6,2.4E6,2.11E6!/XRANGE,0,0.02!TBPLOT,MKIN,1!砌体破坏准则!hntrl=0.13E6hntrl=0.21E6tb,concr,1,4,tbdata,0.2,0.9,hn
3、trl,-1 !不考虑压碎!*-弹性支撑 -!弹性支撑暂取钢筋材料属性mp,ex,2,2.0e11mp,dens,2,7.600 mp,prxy,2,0.30!real constantsr,1!*-modeling-!geometry modelblock,0,3.12,0,0.24,0,3.12block,-0.24,3.12,0,0.24,3.12,3.36Vsel,s,volu,1,2,1$aslv,s$lsla,slesize,all,0.24Vsel,s,volu,1$vatt,1,1,1, !brick wallVsel,s,volu,2$vatt,2,1,2, !brick w
4、allvsel,all !必须再次选择所有单元VSWEEP,ALL savenumcmp,allallsel!*/device,vector,1/eshape,1!*-耦合-allsel,all!elastic support nodes setesel,s,type,2$nsle,s,all$nsel,r,loc,z,3.12nsel,u,loc,x,-0.24$cm,slavenode,node!other node setesel,s,type,1$nsle,s,all$cm,masternode,node/input,ucouple,macsavefinish耦合文件 ucouple,
5、mac：!*-开始-allsel !最好保留这句命令!*将从属节点编号依次存入数组*cmsel,s,slavenode*get,count1_node,node,0,count*del,slave_node*dim,slave_node,array,count1_node*get,slave_node(1),node,0,num,min*do,i,2,count1_nodeslave_node(i)=ndnext(slave_node(i-1)*enddo !*将主节点编号依次存入数组*allselcmsel,s,masternode*get,count2_node,node,0,count*
6、del,master_node*dim,master_node,array,count2_node*get,master_node(1),node,0,num,min*do,i,2,count2_nodemaster_node(i)=ndnext(master_node(i-1)*enddo!*将与从属节点耦合的节点数组初始化*del,cp_node*dim,cp_node,array,count1_node*do,i,1,count1_nodecp_node(i)=0*enddo!*开始选择程序*allselcmsel,s,masternode*do,i,1,count1_node kk=1
7、 k=1 *dowhile,kk k=nnear(slave_node(i)nsel,s,cp,allkk=nsel(k)+0.001 allselcmsel,s,masternodensel,u,node,kcm,masternode,node *enddo cp_node(i)=k *enddo!*选择完毕*!*开始耦合*allsel,all/prep7*do,i,1,count1_nodecp,next,UX,slave_node(i),cp_node(i)cp,next,UY,slave_node(i),cp_node(i)cp,next,UZ,slave_node(i),cp_nod
8、e(i)*enddo!*耦合完毕*求解方法 NR 法：brick wall NR solution!displacement load!用 NR 法!*-solution-/soluantype,0!-constraint-nsel,s,loc,z,0d,all,all!*esel,s,type,2$nsle,s,all$nsel,r,loc,x,-0.24d,all,uy!*!esel,s,type,2$nsle,s,all$nsel,r,loc,x,-0.24!d,all,uzlumpm,onsolcontrol,onpred,onlnsrch,onautots,1 !打开自动时间步控制n
9、cnv,2 !如果不收敛时结束而不退出compression=0.24E7!*-load steps-!*-1st-acel,9.8nsel,s,loc,z,3.36$nsel,r,loc,x,0.001,3.119esln,s,0,allsfe,all,6,pres,0,0.03*compressionallsel,all!*OUTRES,ERASEOUTRES,ALL,ALLNSUBST,2,200,1neqit,15KBC,0nlgeom,1cnvtol,f,0.01,2,0.05allsellswrite,1!*-2nd step-nsel,s,loc,x,-0.24!esln,s,0
10、,all!sfe,all,4,pres,0,60*0.0593E6!d,all,ux,2.79E-3d,all,ux,1.0E-4allsel,all!*OUTRES,ERASEOUTRES,ALL,ALLNSUBST,200,2000,100neqit,15KBC,0nlgeom,1cnvtol,f,0.05,2,0.05allsellswrite,2!*-3rd step-nsel,s,loc,x,-0.24!esln,s,0,all!sfe,all,4,pres,0,60*0.0593E6!d,all,ux,2.79E-3d,all,ux,2.5E-4allsel,all!*OUTRES
11、,ERASEOUTRES,ALL,ALLNSUBST,200,2000,100neqit,15KBC,0nlgeom,1cnvtol,f,0.09,2,0.25allsellswrite,3!*-4th step-nsel,s,loc,x,-0.24!esln,s,0,all!sfe,all,4,pres,0,60*0.0593E6!d,all,ux,2.79E-3d,all,ux,4.0E-3allsel,all!*OUTRES,ERASEOUTRES,ALL,ALLNSUBST,200,2000,100neqit,15KBC,0nlgeom,1cnvtol,f,0.1,2,0.5allse
12、llswrite,4!*allsel lssolve,1,4,1FINISH也可以用弧长法，不过没有一定经验这比较难控制：!mono brick wall-1 arclength solution!displacement load!*-solution-/soluantype,0!-constraint-nsel,s,loc,z,0d,all,all!*esel,s,type,2$nsle,s,all$nsel,r,loc,x,-0.24d,all,uy!*lumpm,onsolcontrol,onncnv,2 !如果不收敛时结束而不退出compression=0.24E7!*-load steps-!*-first step-acel,9.8nsel,s,loc,z,3.36$nsel,r,loc,x,0.001,3.12esln,s,0,allsfe,all,6,pres,0,0.03*compressionallsel,all!*OUTRES,ERASEOUTRES,ALL,ALLarclen,on,1E-5, !使用弧长法NSUBST,200neqit,15KBC,0nlgeom,1cnvtol,f,0.1,2,0.5al
