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Questions related from Mehdi Baghaee
What are the advantages and disadvantages of analytical and semi-analytical methods over numerical methods like FEM and FDM? I am looking for detailed advantages and disadvantages.
01 January 2019 8,072 3 View
How to define a force, function of displacement and time derivative in Ansys transient analysis, for example the forced vibration problem of cantilevered beam with a dynamic f(x,t) force acting at...
10 October 2018 6,380 0 View
Could anyone suggests some experimental researches (results) of free vibrations of laminated rectangular composite plates fully covered with piezoelectric layers?
08 August 2018 4,839 2 View
Consider a single piezoelectric layer (plate), polarized in its thickness direction and a top and bottom electrodes with nonzero external voltages exerted on them. Do this external voltages affect...
06 June 2018 4,981 4 View
Suppose a moderately thick (a/h=15), rectangular (a=2b) composite plate with stacking sequence of [0°/30°/45°/60°/90°]2S. Each composite layer have thickness of 0.001m. The first three circular...
05 May 2018 2,992 0 View
I have analysed free vibration of square piezoelectric plate layer with Ansys. (0.1m ,0.1m ,0.01m) I am looking for thickness mode frequencies, but dont know which of them are. Could somebody...
10 October 2017 5,614 0 View
Could Rayleigh-Ritz method be used for vibration analysis of Forced vibrations? For example in forced vibration of a plate under general time varying loads.
10 October 2017 8,082 3 View
Is there any commercial FEM software package that has shell elements to model piezoelectric materials? I know the ANSYS and ABAQUS dont have such elements. Solid elements brings up high errors...
09 September 2017 1,544 4 View
Does anybody knows what is the value of shear correction factor for general rectangular laminated composite plates for the first order laminated plate theory? What about for general...
09 September 2017 4,581 3 View
I have a big 1000*1000 symbolic matrix (some of its diagonal entries are function of x variable), is there a trick way to calculate closed form inverse of a such matrices in Matlab or Maple?
09 September 2017 4,383 4 View
I want to analyse the free vibration of a piezoelectric patch at open and short circuited condition in ANSYS. Do you know how to implement short circuit and open circuit B.C on a piezoelectric...
07 July 2017 5,733 1 View
Hi all, If you have experience in control of non-affine systems, what do you think about the best method to cope with control of such a kinds of systems? Any comment will be appreciable. Regards
02 February 2016 7,119 2 View
