Hi Kimberly,

Whats the exact nature of your simulation ? Is it transient ( time
dependent) or steady state. Examples of transient could be a
human dummy on seat subjected to a crash pulse as in a
frontal crash in a vehicle the complete operation occurs in
70 -150 milliseconds , thats transient and also nonlinear.
The reason i ask this is ... there are different classes of Finite
Element Solvers which address transient / steady state.

In terms of software tools , in any Finite Element Analysis whether
transient or otherwise , there three broad steps that are followed ,
Preprocessing , Solution, Postprocessing , In the preprocessing stage
the Finite Element (FE) model is built , the model is solved in the
solution stage and the results are Post processed in the post processing
stage .

FEMB, PATRAN, would fall mainly in the preprocessing category , I feel
Hypermesh definitely scores over them ......

ANSYS, LS-Dyna, Nastran are the typical solvers , depends on what you
are solving, LS-Dyna is an explicit solver which addresses mainly the
transient non-linear domain. and because of its superior contact definition
is used both transient and quasi static mode .... my guess is this would
be a better choice for you as a 'solver'

LS-Post and Hyperview are good post processors ..... Patran also has post
processing features.

Hope this helps, Feel free to ask if you want more information.

Cheers,
Chandra
Axiom Consulting




At 11:03 PM 7/23/2002 -0400, Kimberly Miller wrote:
>I am a graduate student in the Mechanical Engineering department at the
>University of Cincinnati. I am looking into doing some computer simulated
>pressure analyses on the human body. I looked at software programs that could
>determine the pressure between a finite element model of a human body and
>varying surfaces, such as a chair. Some of the programs I have looked at
>include FEMB (Finite Element Model Builder) by ETA and MSC.Patran by MSC.
>There is also a group of design engineers, ARUP, that do similar analyses
>based
>on LS-DYNA. I am wondering if there is any other programs available that
>people know about that may help.
>
>Kimberly Miller
>
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