UG常用曲线方程式大全2表示有N种方法；—表示用UG3.0可以实现
一双外摆线
b=2.5
1=2.5
t=1 xt=3*b*cos(t*360)+l*cos(3*t*360) yt=3*b*s in (t*360)+l*si
n(3*t*360)
a=5
t=1
xt=a*(cos(360*t))A3
yt=a*(si n(360吐))人3
叶形线
a=10
t=1
xt=3*a*t/(1+(t A3))
yt=3*a*(t A2)/(1+(t A3))
-螺纹线
t=1
xt=4*cos(t*(5*360))
yt=4*si n(t*(5*360)) zt=6*t
蛇形线
2t=1
xt=2*cos(t*360*3)*t
yt=2*si n(t*360*3)*t zt=(sqrt(sqrt(sqrt(t))))A3*5 2t=1 theta=t*360*3
zt=sqrt(t)*7
2t=1
rho=360*sqrt(t)*2
theta=t*25 phi=360*t*4
-双余弦线
t=1
xt=-(9.5*6.5)+t*(9.5*6.5*2)
yt=cos(t*360*6.5)*(6.35/2)-(6.35/2) zt=cos(t*360*8)*5
-对数线
t=1
xt=10*t
yt=log(10*t+0.0001)
t=1
xt=(4*t)
yt=(3*t)+(5*L2)
一勾形线
t=1
xt=(5*(cos(t*360))A3)*t yt=(5*(si n(t*360))A3)*t
t=1 xt=t*5
yt=cos(t*360*8)*t
正弦波
t=1
xt=5*t*t
yt=si n(t*8*360)*0.5
渐开线
pitch_diameter=10
pressure_a ngle=20 r=(pitch_diameter/2)*cos(pressure_a ngle) t=1 xt=r*cos(90*t*t)+r*(90*t*t)*(pi/180)*si n(90*t*t) yt=r*si n( 90*t*t)-r*(90*t*t)*(pi/180)*cos(90*t*t)
普通外摆线
r=10 t=1 xt=t*(2*pi*r)-si n(t*360)*r yt=r-cos(t*360)*r
-小飞机
t=1
xt=cos(t*360)+cos(3*t*360) yt=si n(t*360)+si n(5*t*360)
一弯月
t=1 xt=cos(t*360)+cos(2*t*360)
yt=si n(t*360)*2+si n(t*360)*2
一五角形线
t=1 xt=2+(10-6)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t)) yt=2+(10-6)*si n(360*4*t)-6*si n( (10/6-1)*(360*4*t))
xt=2+(10-6)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t)) yt=2+(10-6)*si n(360*4*t)-10*si n( (10/6-1)*(360*4*t))
"t=1
xt=2+(10-2)*cos(360*4*t)+10*cos((10/6-1)*(360*4*t)) yt=2+(10-2)*si n(360*4*t)-10*si n( (10/6-1)*(360*4*t))
xt=0.5+(10-6)*cos(360*5*t)+10*cos( (6/10-1)*(360*5*t)) yt=0.5+(10-6)*si n(360*5*t)-10*si n( (6/10-1)*(360*5*t))
热带鱼
a=5
t=1
xt=(a*(cos(t*360*3))A4)*t yt=(a*(si n(t*360*3))A4)*t
双蝴蝶线
t=1
theta=t*360+90
r=cos(360*t*5)*3+0.5 zt=cos(360*t*3)*3
t=1
theta=t*360+18
r=cos(360*t*5)*0.75+3.5 zt=cos(t*360*5)*0.4
t=1
theta=t*360-54
r=cos(360*t*5)*0.5+2.5 zt=cos(t*360*5+90)*0.5
心电图
t=1
r=si n(t*360*2)+0.2 theta=10+t*(6*360) zt=t*3
t=1 xt=3*cos(t*360*4)
yt=3*si n(t*360*3)
zt=t
t=1
r=t*2
theta=10+t*(12*360) zt=t*3
碟形线
t=1
r=10+10*si n(6*t*360) zt=2*si n(6*360*t)
花篮
t=1 r=5
zt=(si n( 3.5*(t*720)-90))+2
小兔兔
t=1
theta=t*360-90
r=cos(360*(t/(1+t A(6.5*t)))*6*t)*3.5+5
红十字
t=1 r=cos(360*t*4)*0.5+1 theta=t*360+90
心形线
t=1
r=10*(1+cos(t*360))
t=1
theta=t*360*4 r=1+cos(t*360*5)
t=1
theta=t*360*5
r=8+5*si n(t*360*5*5)*t
太阳花
t=1
theta=-t*360+180
r=cos(360*t/(1+t A8)*7)*3+6
t=1
theta=t*360
r=cos(360*t*20)*0.5*t+1
t=1 theta=t*360*2 r=cos(360*t*30)*0.5*t+2*t
t=1
theta=t*360*5
r=cos(360*t*20)*0.5*t+1
手掌
t=1 theta=t*360+180
r=cos(360*tA3*6)*2+5
t=1
theta=t*360*4
r=(cos(360*t*16)*0.5*t+1)*t
天蚕丝
t=1
theta=t*3600
r=(cos(360*t*20)*0.5*t+1)*t
人民币
t=1
theta=-t*360+180
r=cos(360*(t/(1+t A6))*6)*3+5
t=1
rho=360*t*10
theta=360*t*20 phi=360*t*5
球面螺旋线
t=1
rho=4 theta=t*180 phi=t*360*12
蝴蝶线
t=1
rho=8*t
theta=360*t*4
phi=360*t*8
t=1
rho=3*t
theta=360*t*5 phi=360*t*2.5
t=1
rho=8*t
theta=360*t*4
phi=360*t*4。