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Hi All,

 I am a PhD student working with anisotropic elasticity to model T-stress. I understand the simplicity of derivation in Stroh formalism but am lost in the Matrix algebra whereas Lekhnitskii provides complex derivation for the formulation but on first glance, it seems more user friendly for numerical modelling.

 Does someone have an experience in modelling the either one formalisms with MATLAB and could he share his experience?

 Thanks for the sharing of information.

Dear Colleagues,

I would be glad to present symbolic-numeric CAE system for frame structures analysis.

It will be available soon as Preview version for enthusiasts

The main features are:

Dear friends



I am modeling a
plate subjected to the vertical loading. the problem is, when the analysis goes
to the nonlinear part, the reactions in some nodes get negative value, while the
plate must be free to move upwards. so there must be no negative value
for reaction. i was wondering, if someone help me define the support in a way
that the plate would be free to move upward and constrain it for the downward
movwement.



Best Regards

Dear All,



I
faced problem in modeling Reinforced Concrete Beam considering discrete
reinforcement. Its a 10'X12"X6" sized beam reinforced with 2-10mm long
bar. I first model the concrete volume, mesh it & then create link
elements individually. The model shows ultimate load, deflection, mid
span stress very much close to theoretical values. But the problem is:
it doesn't show any crack/crush in concrete. I tried to get it, but
failed.