« Return to Thread: zero Force everywhere!!
Re: zero Force everywhere!!
by yowasi
::
Rate this Message:
There is a good reason why I used "could" and not "will". The same reason underlies the mention of the need to recheck units. Play with a few numbers where units are mixed (which is a very easy mistake to make) and where numbers could (as a result) differ by such orders of magnitude.
Regards,
Robert
--- In Abaqus@..., "Steve Manifold" <s.manifold@...> wrote:
>
>
>
> So if you invert 1e+06 you get 1e-06. This is too small for modern
> computers?
>
>
>
>
>
> From: Abaqus@... [mailto:Abaqus@...] On Behalf Of
> krobkrobkrob
> Sent: Thursday, June 25, 2009 7:33 PM
> To: Abaqus@...
> Subject: [Abaqus] Re: zero Force everywhere!!
>
>
>
>
>
>
>
>
> You might want to recheck your units.
>
> Also, your entries for loads are expanded to, for example, "e+06" which I
> assume would be newtons. This expansion makes your numbers very large. If
> the calculation involves inverting at some point, you are bound to end up
> with very tiny numbers, which could easily be declared to be zero during
> computation!
>
> Regards,
> Robert
>
> --- In Abaqus@... <mailto:Abaqus%40yahoogroups.com> , ziyad
> <ziyad02@> wrote:
> >
> >
> > Hi all,
> > I had recieved following warrning when modeling load test on board pile.
> Has
> > anyone an idea what does this mean. Attached inp.file.
> >
> > regards
> > Ziyad
> >
> > warrning:"There is zero FORCE everywhere in the model based on the default
> > criterion. please check the value of the average FORCE during the current
> > iteration to verify that the FORCE is small enough to be treated as zero.
> if
> > not, please use the solution controls to reset the criterion for zero
> > FORCE." http://www.nabble.com/file/p24147811/Load-test.inp Load-test.inp
> > --
> > View this message in context:
> http://www.nabble.com/zero-Force-everywhere%21%21-tp24147811p24147811.html
> > Sent from the Abaqus Users mailing list archive at Nabble.com.
> >
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
Regards,
Robert
--- In Abaqus@..., "Steve Manifold" <s.manifold@...> wrote:
>
>
>
> So if you invert 1e+06 you get 1e-06. This is too small for modern
> computers?
>
>
>
>
>
> From: Abaqus@... [mailto:Abaqus@...] On Behalf Of
> krobkrobkrob
> Sent: Thursday, June 25, 2009 7:33 PM
> To: Abaqus@...
> Subject: [Abaqus] Re: zero Force everywhere!!
>
>
>
>
>
>
>
>
> You might want to recheck your units.
>
> Also, your entries for loads are expanded to, for example, "e+06" which I
> assume would be newtons. This expansion makes your numbers very large. If
> the calculation involves inverting at some point, you are bound to end up
> with very tiny numbers, which could easily be declared to be zero during
> computation!
>
> Regards,
> Robert
>
> --- In Abaqus@... <mailto:Abaqus%40yahoogroups.com> , ziyad
> <ziyad02@> wrote:
> >
> >
> > Hi all,
> > I had recieved following warrning when modeling load test on board pile.
> Has
> > anyone an idea what does this mean. Attached inp.file.
> >
> > regards
> > Ziyad
> >
> > warrning:"There is zero FORCE everywhere in the model based on the default
> > criterion. please check the value of the average FORCE during the current
> > iteration to verify that the FORCE is small enough to be treated as zero.
> if
> > not, please use the solution controls to reset the criterion for zero
> > FORCE." http://www.nabble.com/file/p24147811/Load-test.inp Load-test.inp
> > --
> > View this message in context:
> http://www.nabble.com/zero-Force-everywhere%21%21-tp24147811p24147811.html
> > Sent from the Abaqus Users mailing list archive at Nabble.com.
> >
>
>
>
>
>
> [Non-text portions of this message have been removed]
>
« Return to Thread: zero Force everywhere!!
| Free embeddable forum powered by Nabble | Forum Help |
