shabber hussain's blog

Dear all,

I am working on postbuckling of stiffened composite panels using ANSYS. I have done few experiments and trying to simulate in ANSYS. I have performed nonlinear analysis using arc length method and the load-axial displacement curve obtained is too stiff (having 60% higher slope) compared to the experimental curve. I think BCs, material properties and loading is fine in the model. Can anyone have any suggestions to improve my results? 

Hi...

I am working on post buckling of a cylinder in ANSYS. I have included imperfections using NLGEOM command. I applied a load which is slightly higher than eigen value buckling analysis and i am using displacement controlled analysis using arc length method. I am getting the following error after certain time

"solution not converged

Arc length  value has reached its minimum allowed value

Run terminated"

Can anyone please help me how to resolve this issue.....

hi...