Discussion Closed This discussion was created more than 6 months ago and has been closed. To start a new discussion with a link back to this one, click here.

COMSOL failed to evaluate these expressions

Please login with a confirmed email address before reporting spam

Hello! there,
I got error message like this. Can anyone help?

Failed to evaluate variable.
- Variable: comp1.nitf1.B0YigijtauNorm2
Failed to evaluate variable.
- Variable: comp1.nitf1.vhNS_lin
Failed to evaluate expression.
- Expression: nojac((1.4142135623730951^(1-shapeorder(comp1.u)))*max(comp1.nitf1.vhNS_lin-comp1.nitf1.vhNS_quad,0))
Failed to evaluate variable.
- Variable: comp1.nitf1.vhNS
Failed to evaluate variable.
- Variable: comp1.spf.u_primex
Failed to evaluate variable.
- Variable: comp1.ht.u_primex
Failed to evaluate variable.
- Variable: comp1.ht.res_prime
Failed to evaluate expression.
- Expression: nojac(max((sqrt((comp1.ht.res_prime^2)/(((((comp1.ht.Jijxy*comp1.ht.rhoGradHy)+(comp1.ht.Jijxx*comp1.ht.rhoGradHx))^2)+(((comp1.ht.Jijyx*comp1.ht.rhoGradHx)+(comp1.ht.Jijyy*comp1.ht.rhoGradHy))^2))+eps))*0.5)-((comp1.ht.tau_prime*((comp1.ht.res_prime^2)*comp1.ht.rho))/(((((comp1.ht.Jijxy*comp1.ht.rhoGradHy)+(comp1.ht.Jijxx*comp1.ht.rhoGradHx))^2)+(((comp1.ht.Jijyx*comp1.ht.rhoGradHx)+(comp1.ht.Jijyy*comp1.ht.rhoGradHy))^2))+eps)),0))
Failed to evaluate temporary symbolic derivative variable.
- Variable: comp1.ht.crosswind@VDN${test@27}@VDN$comp1.Ty
Failed to evaluate expression.
- Expression: dvol*(comp1.ht.d*((comp1.ht.C_eff*((-nojac((1.4142135623730951^(1-shapeorder(comp1.T)))*max(((((0.5*abs(comp1.ht.res_T))*comp1.ht.xiu_T)*sqrt(comp1.ht.gugijgu_T))/(((h^2)*(sqrt(eps)+(comp1.ht.gugijgu_T/(h^2))))*comp1.ht.C_eff))-(((comp1.ht.res_T^2)*comp1.ht.tauScCwd_T)/(eps+((comp1.ht.gugijgu_T*comp1.ht.C_eff)/comp1.ht.gamma))),0)))*((comp1.ht.Jijxy^2)+(comp1.ht.Jijyy^2))))-(nojac(max((sqrt((comp1.ht.res_prime^2)/(((((comp1.ht.Jijxy*comp1.ht.rhoGradHy)+(comp1.ht.Jijxx*comp1.ht.rhoGradHx))^2)+(((comp1.ht.Jijyx*comp1.ht.rhoGradHx)+(comp1.ht.Jijyy*comp1.ht.rhoGradHy))^2))+eps))*0.5)-((comp1.ht.tau_prime*((comp1.ht.res_prime^2)*comp1.ht.rho))/(((((comp1.ht.Jijxy*comp1.ht.rhoGradHy)+(comp1.ht.Jijxx*comp1.ht.rhoGradHx))^2)+(((comp1.ht.Jijyx*comp1.ht.rhoGradHx)+(comp1.ht.Jijyy*comp1.ht.rhoGradHy))^2))+eps)),0))*((comp1.ht.Jijyy*(comp1.ht.Jijyy*(comp1.ht.Cp*comp1.nitf1.rho)))+(comp1.ht.Jijxy*(comp1.ht.Jijxy*(comp1.ht.Cp*comp1.nitf1.rho)))))))
Failed to evaluate Jacobian of expression.
- Expression: dvol*(comp1.ht.d*((comp1.ht.C_eff*(((comp1.ht.Jijxy*((comp1.Ty*comp1.ht.Jijxy)+(comp1.Tx*comp1.ht.Jijxx)))+(comp1.ht.Jijyy*((comp1.Ty*comp1.ht.Jijyy)+(comp1.Tx*comp1.ht.Jijyx))))*(-nojac((1.4142135623730951^(1-shapeorder(comp1.T)))*max(((((0.5*abs(comp1.ht.res_T))*comp1.ht.xiu_T)*sqrt(comp1.ht.gugijgu_T))/(((h^2)*(sqrt(eps)+(comp1.ht.gugijgu_T/(h^2))))*comp1.ht.C_eff))-(((comp1.ht.res_T^2)*comp1.ht.tauScCwd_T)/(eps+((comp1.ht.gugijgu_T*comp1.ht.C_eff)/comp1.ht.gamma))),0)))))-(((comp1.ht.Jijyy*((comp1.ht.Jijyx*comp1.ht.rhoGradHx)+(comp1.ht.Jijyy*comp1.ht.rhoGradHy)))+(comp1.ht.Jijxy*((comp1.ht.Jijxy*comp1.ht.rhoGradHy)+(comp1.ht.Jijxx*comp1.ht.rhoGradHx))))*nojac(max((sqrt((comp1.ht.res_prime^2)/(((((comp1.ht.Jijxy*comp1.ht.rhoGradHy)+(comp1.ht.Jijxx*comp1.ht.rhoGradHx))^2)+(((comp1.ht.Jijyx*comp1.ht.rhoGradHx)+(comp1.ht.Jijyy*comp1.ht.rhoGradHy))^2))+eps))*0.5)-((comp1.ht.tau_prime*((comp1.ht.res_prime^2)*comp1.ht.rho))/(((((comp1.ht.Jijxy*comp1.ht.rhoGradHy)+(comp1.ht.Jijxx*comp1.ht.rhoGradHx))^2)+(((comp1.ht.Jijyx*comp1.ht.rhoGradHx)+(comp1.ht.Jijyy*comp1.ht.rhoGradHy))^2))+eps)),0)))))
Failed to evaluate Jacobian of expression.
- Expression: (comp1.ht.crosswind)*(dvol)

0 Replies Last Post 12 lug 2017, 10:51 GMT-4
COMSOL Moderator

Hello Punam Tripathy

Your Discussion has gone 30 days without a reply. If you still need help with COMSOL and have an on-subscription license, please visit our Support Center for help.

If you do not hold an on-subscription license, you may find an answer in another Discussion or in the Knowledge Base.

Note that while COMSOL employees may participate in the discussion forum, COMSOL® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team.