education

Hello.

 I'm attempting to model a thin composite laminate plate in ansys and after searching this website and using the ansys help, I have chosen to use shell 99. However when I load up the Ansys 8.0 software on the university computers (I am a student), I can not seem to find the Shell 99 choice, or in fact any of the other possibilites, such as shell 91, shell181, solid 46, or solid 191.

 Just wondering if anyone would know why this is the case, I'm hoping that it;'s not because it's a university edition or something.

HI

I have a cantilever Euler beam with a force.

I want to find mechanical impedance for this system

Can you hel me for Specify this impedance?

I attach a jpg file that it show my system. 

regards 

hello..

 i am working in abaqus for chip formation in machining by using shear failure..please help me how to proceed

I am modeling a RBC(red blood cell) membrane using shell181 element and
using neo hookean model. But when I try to solve it, it gives error. I
couldnt figure out the cause. Please help me.
This is my input file for creating the model.
/com,structural,,,
/clear,start,,,
/prep7,,,,
k,1,0,0,0.000000405
k,201,0,0,-0.000000405
k,2,0,0.00000005,4.06E-07
k,202,0,0.00000005,-4.06E-07
k,3,0,0.0000001,4.07E-07
k,203,0,0.0000001,-4.07E-07
k,4,0,0.00000015,4.10E-07
k,204,0,0.00000015,-4.10E-07
k,5,0,0.0000002,4.15E-07
k,205,0,0.0000002,-4.15E-07
k,6,0,0.00000025,4.20E-07
k,206,0,0.00000025,-4.20E-07
k,7,0,0.0000003,4.27E-07
k,207,0,0.0000003,-4.27E-07
k,8,0,0.00000035,4.34E-07
k,208,0,0.00000035,-4.34E-07
k,9,0,0.0000004,4.43E-07
k,209,0,0.0000004,-4.43E-07

Hello,

I try to enter a triangular load on an area. I have entrered the gradient information in settings. But when I try to apply load on area, it does not take it in triangular form, but in constant form. It works  with apply on nodes. But, is the result correct with this option?

  hi all,

     how  the deflection of continuous beams are evaluated by using Rayleigh-Ritz method?