ConcreteBone1.zip_matlab随机骨料_随机生成骨料_随机骨料_随机骨料生成_骨料

function [Cir]=ConcreteBone2d(Range) Range = [0,0.150;0,0.150]; R1max=0.02; R1min=0.015; R2max=0.015; R2min=0.01; R3max=0.01; R3min=0.005; P=0.37; p1=0.24; p2=0.44; p3=0.32; m=0; S=0; for i=1:100000000 x=rand(1)*(Range(1,2)-Range(1,1))+Range(1,1); y=rand(1)*(Range(2,2)-Range(2,1))+Range(2,1); if (S<=0.15^2*P*p1) r=rand(1)*(R1max-R1min)+R1min; elseif (S>0.15^2*P*p1 && S<=0.15^2*P*(p1+p2)) r=rand(1)*(R2max-R2min)+R2min; elseif (S>0.15^2*P*(p1+p2) && S<=0.15^2*P*(p1+p2+p3)) r=rand(1)*(R3max-R3min)+R3min; end s=pi*r.^2; if (x-r>Range(1,1)+0.001 && x+r<Range(1,2)-0.001) && (y-r>Range(2,1)+0.001 && y+r<Range(2,2)-0.001) if m==0 m=m+1; Cir(m,:)=[x y r s S]; else n=0; for j=1:m D=sqrt((Cir(j,1)- x)^ 2+(Cir(j,2)- y)^ 2); if D<1.05*(Cir(j,3)+r) break; else n=n+1; end if n==m m=m+1; S=S+Cir(j,4); Cir(m,:)=[x y r s S]; end end end end if S>0.15^2*P break; end end plot([Range(1,:) Range(1,2) Range(1,1) Range(1,1)],[Range(2,1) Range(2,1) Range(2,2) Range(2,2) Range(2,1)],'-b','linewidth',3); hold on; fill([Range(1,:) Range(1,2) Range(1,1) Range(1,1)],[Range(2,1) Range(2,1) Range(2,2) Range(2,2) Range(2,1)],'y'); theta=0:5*pi/180:360*pi/180; for i=1:m xx=Cir(i,3)*cos(theta)+Cir(i,1); yy=Cir(i,3)*sin(theta)+Cir(i,2); plot(xx,yy,'-r'); fill(xx,yy,'c'); end axis image;