[limao1986]

R1=0.5*(str2double(get(handles.R1_input,'string')));
R2=0.5*(str2double(get(handles.R2_input,'string')));
R3=0.5*(str2double(get(handles.R3_input,'string')));
e=str2double(get(handles.e_input,'string'));
d=str2double(get(handles.d_input,'string'));
w1=str2double(get(handles.w1_input,'string'));
w2=str2double(get(handles.w2_input,'string'));
Xv=str2double(get(handles.Xv_input,'string'));
Xs=Xv;
syms t;
syms n n1 n2 n3;
n1=0;
n2=0;
%工具间隔l1,沿半径方向分成1000份
l1=(R1-R3)/1000;
%算切入的最大直径
d2m=0.3*d;
%定义MMR
MMR=zeros(1,R2);
for R20=1:1:R2
R21=R20;
V=0;
for m=R3:l1:R1
s1=e^2+R21^2-2*e*R21*cos(w1*t)-m^2;
t1=solve(s1,'t');
x1=e*cos(w1*t1)+R21*cos((w2-w1)*t1);
y1=(-1)*e*sin(w1*t1)+R21*sin((w2-w1)*t1);

s2=e^2+R21^2-2*e*R21*cos(w1*t)-(m+l1)^2;
t2=solve(s2,'t');
x2=e*cos(w1*t2)+R21*cos((w2-w1)*t2);
y2=(-1)*e*sin(w1*t2)+R21*sin((w2-w1)*t2);

pq=sqrt((x1-x2)^2+(y1-y2)^2);
%算面积s
s=pq*2*pi*0.001*Xs;
%算磨粒数目n;
%s3=(d^2)*(n+1)*(2*n+1)-(24*n*s);%%%%??????
n=solve('(d^2)*(n+1)*(2*n+1)-(24*n*s)','n');
n11=n(1);
n22=n(2);
if isreal(n11)==1 &&n11>100
n1=n11*0.3;
elseif isreal(n22)==1 &&n22>100
n2=n22*0.3;
else
continue
end

if (n1-n2)>0
n3=n1;
else
n3=n2;
end

%定义切削累加体积v
v=0;
for f=1:1:n3
d2=d2m/n3*f;
%算切入面积(A1-A2)
%角度u
u=asin(d2/d);
A1=(d/2)^2*u;
A2=(d2/2)^2*(sin(2*u))*0.5;
v1=(A1-A2)*d2;
v=v1+v;
end
V=v+V;
end
V0=V*R21*1000/R2;
MMR(R21)=V0;
end
axes(handles.axes1)
plot(MMR,R20) ;

为什么老有错误??