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1、建 模1、调用文件：文件与工程在同一个文件夹，只写文件名即可：If the called file is located in the same folder as the FLAC3D project file, then only the file name needbe entered with the CALL command. 不在同一个文件夹，全路径：Otherwise, the file may be called by specifying its complete path (e.g., c:myfolderfile.dat).Undo ;撤销上一条命令2、创建 旋转 缩放视
2、图3、建模命令model mech mohr ;莫尔库伦模型model mech elastic ;弹性模型set grav 0, 0, -9.81 ; 重力加速度 negative z-direction. （垂直向下！常用的）下面这代码，是沿着-y方向的重力加速度，注意区别！gen zone brick size 6,8,8 p0 -10, -10, -20 . ;省略号表示写不下后面继续p1 10, -10, -20 .p2 -10, 10, -20 .p3 -10, -10, 0 plot zonegen zone brick size 6,8,8 p0 -10, -10, -20 .
3、 ;不规则六面体p1 10, -10, -20 p2 -10, 10, -20 .p3 -10, -10, 0 p4 10, 10, -20 .p5 -10, 10, 10 p6 10, -10, 0 .p7 10, 10, 10plot current plot Plot01plot clear plot zoneUndo ;撤销命令set logfile 127X1001.txtset log on truncateset log offlist zone prin range x 0 1 y 0 1 z 0 1 ;显示指定范围内各单元的主应力，结果如下Hist命令： 命令编号按顺序从1开
4、始：each history is numbered sequentially from 1 as it is entered via the HISTORY command.查找显示所有的his命令：Return to the Flac3D prompt and type list hist for a listing of the histories and their corresponding numbers.hist nstep 5 ;每5步记录1次。默认是10步记录1次hist add ratio ; 记录maximum unbalanced force ratiohist add
5、 gp zdisp 4 4 8 ;记录节点的位移 model null range x=2,4 y=2,6 z=5,10 ;To excavate the trench,enterThe dimensions of the excavation region (i.e., the null material) are defined by the x-, y- and z-coordinate range.set large ; 设置大变形large-strain logic is specifiedini xdis 0 ydis 0 zdis 0 ;位移归零solvesave trench
6、; 保持计算结果的文件 “TRENCH.F3SAV” 不需要后缀 4、group命令(注意新版本的区别 ，group zone)gen zone brick size 6 6 6group zone Tunnel range x 1 6 y 0 6 z 1 5 ;设置groupmodel mech mohr ; 莫尔库伦模型model mech null range group Tunnel ;group zone Tunnel range cylinder end1 100 105 100 end2 100 95 100 radius 3group zone Matrix range gro
7、up Tunnel not; naming RANGES that are fixed in space and unrelated; to the model geometry - represents stratigraphy.range name Layer1 plane dip 0 dd 0 ori 0 0 0 aboverange name Layer2 plane dip 0 dd 0 ori 0 0 0 belowprop bulk 1e8 shear 0.5e8 coh 0 tens 0 fric 35 range nrange Layer1prop bulk 1e7 shea
8、r 0.3e7 coh 1e7 tens 0 fric 0 range nrange Layer2pl zone colorby group4、Interface命令以下是切割模型法生成interface：寺河模拟用的pl zone gen zone brick p0 0 0 0 p1 200 0 0 p2 0 40 0 p3 0 0 4 size 100 20 2 group 1 ; gen zone brick p0 0 0 4 p1 200 0 4 p2 0 40 4 p3 0 0 8 size 100 20 2 group 2 ; gen separate group 1interfa
9、ce 1 wrap first group 1 second group 2interface 1 maxedge 0.5显示interface：plot create plot Plot01plot add surface;显示表面plot add interface red;显示交互面为红色plot show用导来导去法，已经在5.0上运行过，很好，值得借鉴pl zone colorby groupgen zone brick size 3 3 3 &p0 (0,0,0) p1 (3,0,0) p2 (0,3,0) p3 (0,0,1.5) &p4 (3,3,0) p5 (0,3,1.5)
10、 p6 (3,0,4.5) p7 (3,3,4.5)group zone Basegen zone brick size 3 3 3 &p0 (0,0,2.5) p1 (3,0,5.5) p2 (0,3,2.5) p3 (0,0,7) &p4 (3,3,5.5) p5 (0,3,7) p6 (3,0,7) p7 (3,3,7)group zone Top range group Base notinterface 1 face range plane norm (-1,0,1) origin (1.5,1.5,3) dist 0.1pl add interfacepauseini zpos a
11、dd -1.0 range group Top4、hist命令(5.0版本需要加add！)hist nstep=5 /设置采用间隔为5 等效于set hist_rep=5hist add id =2 zone szz 0,0,-1 hist unbal /最大非平衡力hist add gp zdisp 4 4 8 print histhist add gp zdis 0,0,0hist add gp zvel 0,0,0hist add gp ydisp 0,0,0;监测网格点（0，0，0）点的y 方向上的位移hist add zone syy 0,1,0;监测单元（0，1，0）点的y 方向上
12、的应力hist add zone syy 1,1,0;监测单元（1，1，0）点的y 方向上的应力hist add zone szz 0,0,-1List historyset largehistory nstep 2history add fish tthistory add fish thetahistory add zone sxx (1,1,1)history add zone syy (1,1,1)history add zone szz (1,1,1)plot add his 3 4 5 vs 1HISTORY add fish var ; fish var变量的监测5、solve命
13、令 ?什么意思5、plot命令通过图形操作界面的方式：pl zone colorby gr ;查看各个分组通过命令流的方式：plot create plot Plot01plot clearplot add history 1 linestyle color blackplot post plot Plot01 file 127F1002.ps manualplot create plot Plot02plot clearplot add history 2 linestyle color blackplot post plot Plot02 file 127F1003.ps manualpl
14、ot create plot GravVplot cut add plane dip 90 dd 0 origin 3,4.1,0 ;截面plot set center 3 3 3plot set eye 12 18 12plot add zone plane behindplane on onplane off ;addlabel Zone whiteplot add bcont szz ramp greyplot add axesplot post plot GravV file 127F1004.ps manualres kw50plot create plot szz_contourplot cut add plane dip 90 dd 180 origin 0,18.9,0plot set
