[Rocketworkbench] RV: Cpropepshell interfase 1.01

[<ghe...@ci...>]

-----Mensaje original-----
De: Hans Olaf Toft [mailto:ho...@vi...]
Enviado el: Mi=E9rcoles, 12 de Septiembre de 2001 06:56 p.m.
Para: ghe...@ci...
Asunto: Re: Cpropepshell interfase 1.01


Hi Gunterio
Glad to hear that everything is working. The text error on the =
userinterface
is
caused by tha fact that I actually write the text during program =
execution,
and
has made a cut and paste error - but while composing the layout I also =
have
defined the texts and they are correct, so I have simply overlooked =
this
matter.
I will correct it in the comming days.

I have also observed the "freezing of the previous result" You describe =
but
I
have really no idea what causes it - until further I will blame =
windows...

Regards
Hans

"Heineken, Gunterio Germ=E1n" wrote:

> Dear Hans Olaf,
>
> Finally we got the complete result in the output text window. We
reinstalled
> the files and solved the problem we had with maximizing.
> With reference to the second area ratio input option this was also
> clarified: the obtained results, in spite of the reading, correspond =
in
fact
> to  subsonic exit to throat area, so that we have really both =
distinct
input
> area options, which is a very good thing. I assume the corresponding =
input
> reading can easyly be corrected in future versions.
> Sometimes, when we return from the text to the input window and =
simply
> change perfomance conditions with the same ingredients and run, we =
get, we
> don't know really why, immediately after "please wait",  the text =
window
> with the results of the previous calculations, and this may be, has  =
added
> some confusion regarding the  results with area ratio inputs.
> Since the interface does not allow the input of only one component, =
in the
> case of monopropellants, like hydracine, we succeeded in splitting =
the
same
> component in two parts and amounts. Again thank you for your prompt =
reply
> and your help.
> Regards,
>
> Gunterio.
>
> Gunterio,
>
> I will need more information before I can solve any problems:
>
> The Cpropepshell works in the following way:
> 1) Pressing the "run" button creates a file "temporary.pro" as =
cpropep
> input.
> 2) Cpropepshell asks Windows to run the cpropep with the command line
> parameters
> required for specifying temporary.pro as input and standard out =
redirected
> to a
> file named "temporary.out".
> 3) Cpropepshell waits until Windows signals that the cpropep process =
has
> terminated.
> 4) The temporary.out is displayed in a text window.
>
> This means that the complete result *should* show up in the text =
window.
If
> this
> does not happend, then, please check that the temporary.out holds the
> complete
> information. If windows signals that the cpropep process has =
terminated
> before
> flushing the temporary.out strange things could happend.
>
> OTOH, You mention that it "helps" (?) to print or save - does this =
make
the
> missing texts show up?
>
> Hans
>
> "Heineken, Gunterio Germ=E1n" wrote:
>
> > Dear Olaf,
> >
> > In the meantime I checked the cpropepshell 1.01 interfase and it =
works
> > pretty well for the selected exit conditions. I had only a small =
trouble
> > with the  output data, which did not appear  fully displayed, but =
this
can
> > be solved by  saving the results on the Note Block or by printing. =
By
the
> > way, would it not be more meaningful to have as additional input =
option,
> for
> > exit conditions, the subsonic area ratio, as cpropep-web allows, =
instead
> of
> > two supersonic area ratios giving both the same results?
> > Again thank you for your contribution which I appreciate very much =
and
> which
> > will be, no doubt, very useful for practical use and educational
training.
> > Best regards and hoping to hear from you and our colleagues from =
the
> > Rocketworkbench,
> >
> > Gunterio Heineken
> > Buenos Aires, Argentina.