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[ÇóÖú] ¼±£¡±ÏÒµÂÛÎÄÐèÒª£¡ÇóÖú£ºUndefined function or variable 'Etheta_34'. ÒÑÓÐ1È˲ÎÓë

³ÌÐòÈçÏ£º ÔËÐÐÖ®ºó³öÏÖ£ºUndefined function or variable 'Etheta_34'. µ«ÊǾÍËãÊÇÎÒ°ÑEtheta_34¸³ÖµÎª0£¬¶¼ÊÇͬÑùµÄÎÊÌâ¡£Çó´óÉñ½â¾öһϣ¡±ÏÒµÂÛÎÄÐèÒª°¡£¡¼±£¡
%2-Ca 3-Cl 4-SO4
a1=2;
a11=1.4;a22=12;
m2=(0.6435+30.4521)*0.001;m3=2*0.6435;m4=30.4521;
b=1.2;
A_fy=0.392;
beta0_23=0.3159;
beta1_23=1.614;
beta0_24=0.2;
beta1_24=3.1973;
beta2_24=-54.24;
Cfy_23=-0.00034;
Cfy_24=0;
pusy_234=-0.018;
theta_34=0.02;
I=0.5*(4*m2+m3+4*m4);
x34=6*(-1)*(-2)*A_fy*I^0.5;
x33=6*(-1)*(-1)*A_fy*I^0.5;
x44=6*(-2)*(-2)*A_fy*I^0.5;
Z=2*m2;
f_r=-A_fy*(I^0.5/(1+b*I^0.5)+2*log(1+b*I^0.5)/b);
g1=2*(a1*I^0.5)^(-2)*(1-(1+a1*I^0.5)*exp(-a1*I^0.5));
dg1=-2*(a1*I^0.5)^(-2)*(1-(1+a1*I^0.5+0.5*(a1*I^0.5)^2)*exp(-a1*I^0.5));
g11=2*(a11*I^0.5)^(-2)*(1-(1+a11*I^0.5)*exp(-a11*I^0.5));
dg11=-2*(a11*I^0.5)^(-2)*(1-(1+a11*I^0.5+0.5*(a11*I^0.5)^2)*exp(-a11*I^0.5));
g22=2*(a22*I^0.5)^(-2)*(1-(1+a22*I^0.5)*exp(-a22*I^0.5));
dg22=-2*(a22*I^0.5)^(-2)*(1-(1+a22*I^0.5+0.5*(a22*I^0.5)^2)*exp(-a22*I^0.5));
B_23=beta0_23+beta1_23*g1;
B_24=beta0_24+beta1_24*g11+beta2_24*g22;
C_23=Cfy_23/(2*2^0.5);
C_24=0;
dB_23=beta1_23*dg1/I;
dB_24=(beta1_24*dg11+beta2_24*dg22)/I;
y1=m3*(B_23+Z*C_23+theta_34)+m4*(B_24+Z*C_24);
y2=m2*(B_24+Z*C_24);
y3=m2*m3*(4*dB_23+2*C_23+0.5*pusy_234)+m2*m4*4*dB_24;
y4=0.5*m3*m4*(0.5*pusy_234+4*Etheta_34);
J(3,4)=x34*(4+(4.581*(x34^(-0.7237)))*exp(-0.012*x34^0.528))^(-1);
J(3,3)=x33*(4+(4.581*(x33^(-0.7237)))*exp(-0.012*x33^0.528))^(-1);
J(4,4)=x44*(4+(4.581*(x44^(-0.7237)))*exp(-0.012*x44^0.528))^(-1);
Etheta_34=(0.5/I)*(J(3,4)-0.5*J(3,3)-0.5*J(4,4));
dJ(3,4)=(4+4.581*x34^(-0.7237)*exp(-0.012*x34^0.528))^(-1)+(4+4.581*x34^(-0.7237)*exp(-0.012*x34^0.528))^(-2)*(4.581*x34*exp(-0.012*x34^0.528)*(0.7237*x34^(-4.581-1)+0.012*0.528*x34^(0.528-1)*x34^(-0.7237)));
dJ(3,3)=(4+4.581*x33^(-0.7237)*exp(-0.012*x33^0.528))^(-1)+(4+4.581*x33^(-0.7237)*exp(-0.012*x33^0.528))^(-2)*(4.581*x33*exp(-0.012*x33^0.528)*(0.7237*x33^(-4.581-1)+0.012*0.528*x33^(0.528-1)*x33^(-0.7237)));
dJ(4,4)=(4+4.581*x44^(-0.7237)*exp(-0.012*x44^0.528))^(-1)+(4+4.581*x44^(-0.7237)*exp(-0.012*x44^0.528))^(-2)*(4.581*x44*exp(-0.012*x44^0.528)*(0.7237*x44^(-4.581-1)+0.012*0.528*x44^(0.528-1)*x44^(-0.7237)));
dtheta_34=-(Etheta_34/I)+(2/(8*I^2))*(x34*dJ(3,4)-x33*dJ(3,3)/2-x44*dJ(4,4)/2);
y=4*f_r+y1+y2+y3+y4;
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2Â¥2015-05-02 08:40:00
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ÒýÓûØÌû:
2Â¥: Originally posted by mylifeljy at 2015-05-02 08:40:00
lz,±¨´íÊÇÒòΪÄ㶨Òåy4ǰûÓж¨ÒåEtheta_34£¡½«JºÍEtheta_34µÄ¶¨Òå·Åµ½y4Ç°Ãæ¼´¿É£¬Ð޸ĺó³ÌÐòÈçÏ£º
clc;  clear all; close all;
a1=2;
a11=1.4;a22=12;
m2=(0.6435+30.4521)*0.001;m3=2*0.6435;m4=30.4521;
...

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3Â¥2015-05-02 09:53:51
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