Re: imperfection included in an analysis

For ver 6.3 and before, i dont think we can perform Riks analysis
except in the first step. Anyone who have experience on this, please
share with us.

Thanks 
sgdon

On Wed, 20 Oct 2004 04:02:08 -0700 (PDT), Narcis <narcisurs@xxxxxxxxx> wrote:
> 
> 
> Hello all,
> 
> I've been doing some search for a couple of days in documentation, but I 
> haven't found any example that suits my needs.
> I am a kind on newbie in Abaqus.
> I am interested in plotting the force vs displacement and the deflected shape 
> under a certain load - for a simple model, which is a simply suported 
> beam-column. I study he problem under large displacements. I've been using so 
> far NLG udner a STATIC GENERAL case, without any imperfection included. I got 
> the plot I wanted. The results seem to be feasible.
> But I want now to introduce the imperfection from a *BUCKLE analysis, 
> continue the analysis (within another step) with a RIKS under NLG, and then 
> RESTART with another step to get the deflected shape udner a certain load.
> The issue here regards the manipulation of these steps, and I wasn't able to 
> do it properly.
> 
> Does anyone have a template with this one? I guess using CAE is 
> straightforward  to generate the input file.
> 
> Regards,
> 
> Narcis
> 
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