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I need help with ABACUS MODELLING

Submitted by nina333 on

Hello there, I need your help if you can please email me as i can not log into imechanica all the time to check my blogs because the website jams most of the time ,i will appreciate your help.

I need to draw a normal rectangle using abacus and then mesh it and apply force on it and to be as beam???

i tried to do it but i keep getting an error message saying 4 elements have missing property definitions???

If any one can help this is My email is nl1422 [at] hotmail.com

wave propagation in Hamilton Systems

Submitted by Teng zhang on

I am a junior graduate student now, and very interesting in wave motion. My advisor Prof. Zhong wanxie and his PHD student qiang Gao have developed a precise numerical technique to solve the Rayleigh wave frequency equation, which can avoid the missing root. They did a systematic work involving surface wave propagation in a transversely isotropic stratified solid resting on an elastic semi-infinte space, wave propagation in the anisotropic layered media and the propagation of stationary and non-stationary random waves in a viscoelastic, transversely isotropic and stratified half space.