Re: [mor4ansys] MOR theory... Need help badly

[Evgenii Rudnyi]

On 08.09.2012 07:15 Lonewolf nanda said the following:
> Hey people i m new to this technique.... I have just started to
> learn this.. I have been working out an example for this technique
> since months... I have been using guyan condensation and SERP
> technique for order reduction... I have understood the technique but
> m not able to clearly figure out wat exactly is happening when i
> follow these techniques, i mean m not able to understand wat is the
> background work going on when i implement these techniques...
> Secondly, i got full order model... I have chosen some active nodes
> from it... But m not able to reconstruct the model from those nodes
> and do the normal mode analysis.. Pls watever comes to ur mind or
> watever u feel is relevant to this issue, kindly share.... This is
> kinda important for to climb up my career ladder in my work place...
> Thank u...
>

You can start with

Model Order Reduction in Structural Mechanics - Coupling the Rigid and
Elastic Multi Body Dynamics
http://tu-dresden.de/die_tu_dresden/fakultaeten/vkw/tgf/Itgf/mitarbeiter/panos

This is close to what you have done. An alternative approach is here

http://modelreduction.com/ModelReduction/Linear.html

Evgenii