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陈育民《FLAC3D基础与工程实例》全部命令流.doc

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《FLAC/FLAC 3D基础与工程实例》全部命令流
《FLAC/FLAC 3D 基础与工程实例》全部命令流 1 gen zone bri p0 0 0 0 p1 10 0 0 p2 0 10 0 p3 0 0 10 & p4 15 15 0 p5 0 15 15 p6 15 0 10 p7 20 20 20 & size 10 10 10 rat 1.0 0.9 1.1 group brick_1 gen zone bri p0 20 0 0 p1 add 10 0 0 p2 add 0 20 0 p3 add 0 0 15 & size 10 10 10 rat 1.0 0.9 1.1 group brick_2 gen zone bri p0 40 0 0 edge 10 size 10 10 10 rat 1.0 0.9 1.1 group brick_3 plot sur
2-1 new gen zon bri size 3 3 3 model elas prop bulk 3e8 shear 1e8 ini dens 2000 fix z ran z -.1 .1 fix x ran x -.1 .1 fix x ran x 2.9 3.1 fix y ran y -.1 .1 fix y ran y 2.9 3.1 set grav 0 0 -10 solve app nstress -10e4 ran z 3 x 1 2 y 1 2 hist gp vel 0 0 3 hist gp vel 0 3 3 plo hist 1 red plo add hist 2 blue solve
x y j 1 x i 1 x i 11 3-1 ;-------------------------------------工程信息 ;Project Record Tree export ;Title:Simple test ;---------------------------------计算第一步 ;... STATE: STATE1 .... config grid 10,10 model elastic group 'User:Soil' notnull model elastic notnull group 'User:Soil' prop density=1500.0 bulk=3E6 shear=1E6 notnull group 'User:Soil' fix fix fix set gravity=9.81 history 999 unbalanced solve save state1.sav ;----------------------------------计算第二步 ;... STATE: STATE2 .... initial xdisp 0 ydisp 0 initial xvel 0 yvel 0 model null i 4 7 j 8 10 group 'null' i 4 7 j 8 10 group delete 'null' history 1 xdisp i=4, j=11 solve save state2.sav ;--------------------------------绘图命令 ;*** plot commands **** ;plot name: syy plot hold grid syy fill ;plot name: Unbalanced force plot hold history 999 ;plot name: grid plot hold ;plot name: Xdis-A plot hold history 1 line grid magnify 20.0 lred grid displacement
5-1 new ; =============================== ; 定义球体半径和半径方向上单元网格数 ; =============================== def parm rad=10.0 rad_size=5 end parm ; =============================== ; 建立八分之一球体外接立方体网格 ; =============================== gen zone pyramid p0 rad 0 0 p1 rad 0 rad p2 rad rad 0 p3 0 0 0 & p4 rad rad rad size rad_size rad_size rad_size group 1 gen zone pyramid p0 0 rad 0 p1 rad rad 0 p2 0 rad rad p3 0 0 0 & p4 rad rad rad size rad_size rad_size rad_size group 2 gen zone pyramid p0 0 0 rad p1 0 rad rad p2 rad 0 rad p3 0 0 0 & p4 rad rad rad size rad_size rad_size rad_size group 3 ; ================================== ; 利用 FISH 语言将内部立方体节点调整到球面 ; ================================== def make_sphere p_gp=gp_head loop while p_gp#null ; 获取节点点坐标值:P=(px,py,pz) px=gp_xpos(p_gp) py=gp_ypos(p_gp) pz=gp_zpos(p_gp) dist=sqrt(px*px+py*py+pz*pz) if dist>0 then ; 节点位置调整 maxp=max(px,max(py,pz)) k=(maxp/rad)*(rad/dist) gp_xpos(p_gp)=k*px gp_ypos(p_gp)=k*py gp_zpos(p_gp)=k*pz end_if p_gp=gp_next(p_gp) end_loop end make_sphere ; =============================== ; 利用镜像生成完整球体网格
; =============================== gen zone ref gen zone ref dip 90 gen zone ref dip 90 dd 90 ; =============================== ; 显示球体网格 ; =============================== plot surf pl set back wh pl bl gr
5-3 n gen zon bri size 1 1 2 group soil ran z 1 1 group rock ran z 0 1 expgrid 1.flac3d
6-1 gen zon bri size 3 3 3 model mohr prop bu 3e6 sh 1e6 coh 10e3 fric 15 fix z ran z -.1 .1 fix x ran x -.1 .1 fix x ran x 2.9 3.1 fix y ran y -.1 .1 fix y ran y 2.9 3.1 ini dens 2000 hist unbal set grav 10 solve elastic save 6-1.sav
6-2 rest 6-1.sav ini xd 0 yd 0 zd 0 xv 0 yv 0 zv 0 app nstress -100e3 ran z 2.9 3.1 x 1 2 y 1 2 solve save 6-2.sav
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