Error message when opening results: "CFD-Post Application Error"

jajirobe11 · June 10, 2015, 04:11

I have completed a simulated fluidized bed gafificador . But while the opening of the results , the following message appears.

CFD -Post Application Error
to mean?

besides , biomass simulate disappears as time passes simulation .

Why?

thanks

ghorrocks · June 10, 2015, 07:22

There is probably some form of error with your results file. But without more details we cannot help you.

jajirobe11 · June 10, 2015, 17:02

thank Glenn Horrocks.

I have a fluidized reactor modeling fight with rice husk biomass , with an air inlet 0.7 m / s and particle diameter of 0.548 cm.
applying ANSYS CFX has as time goes second , biomass is reduced considerably and is something that should not happen.
why this happens ?

attached image
thanks

ghorrocks · June 10, 2015, 20:45

Again, there is something in your set up which is causing this. You have not explained what you are doing in detail so we cannot help.

Please post your CCL and some images of your geometry.

jajirobe11 · June 11, 2015, 00:27

Attached as requested by you .
thanks.
Figura 1.

Figura 2.

Attached files CCL here glenn H.
https://drive.google.com/folderview?...GM&usp=sharing

ghorrocks · June 11, 2015, 19:47

* You are using 0.2s time steps. Have you checked this is suitable?
* You have Body Force averaging type = volume weighted. Did you change this from the default? If so, why?
* You are running second order time time stepping. I would use first order while you do basic debugging. Go back to second order when the simulation is running correctly.
* What keeps the biomass in the correct spot in the real reactor? There does not seem to be much to hold it in place. Is it a packing thing? If so then you will need to look at the fluidised bed packing fraction stuff.

jajirobe11 · June 11, 2015, 22:23

could you please explain to me every step with images ?
I would greatly appreciate it .

Im really confused.

thanks

ghorrocks · June 11, 2015, 22:26

I don't have time to do that. I am a busy man.

If you answer or comment against my suggestions we can discuss it in more detail.

jajirobe11 · June 11, 2015, 22:27

ok
I 'd recommend you?

please help me and follow your guide.

jajirobe11 · June 12, 2015, 14:28

How do I know that my simulation is correct. I must take into account whether the results are true or are close to reality.
thanks

ghorrocks · June 13, 2015, 07:17

Look at this FAQ: http://www.cfd-online.com/Wiki/Ansys..._inaccurate.3F

And the FAQs related to it.

jajirobe11 · June 13, 2015, 13:51

Thank you.

June 10, 2015, 04:11	Error message when opening results: "CFD-Post Application Error"	#1
jajirobe11 New Member jose sand Join Date: Jun 2015 Posts: 7 Rep Power: 11	I have completed a simulated fluidized bed gafificador . But while the opening of the results , the following message appears. CFD -Post Application Error to mean? besides , biomass simulate disappears as time passes simulation . Why? thanks

June 10, 2015, 17:02	datos especificos	#3
jajirobe11 New Member jose sand Join Date: Jun 2015 Posts: 7 Rep Power: 11	thank Glenn Horrocks. I have a fluidized reactor modeling fight with rice husk biomass , with an air inlet 0.7 m / s and particle diameter of 0.548 cm. applying ANSYS CFX has as time goes second , biomass is reduced considerably and is something that should not happen. why this happens ? attached image thanks

June 11, 2015, 00:27	images of my geometry and setup	#5
jajirobe11 New Member jose sand Join Date: Jun 2015 Posts: 7 Rep Power: 11	Attached as requested by you . thanks. Figura 1. Figura 2. Attached files CCL here glenn H. https://drive.google.com/folderview?...GM&usp=sharing Last edited by jajirobe11; June 11, 2015 at 02:08.

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June 10, 2015, 07:22		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,870 Rep Power: 144	There is probably some form of error with your results file. But without more details we cannot help you.

June 10, 2015, 20:45		#4
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,870 Rep Power: 144	Again, there is something in your set up which is causing this. You have not explained what you are doing in detail so we cannot help. Please post your CCL and some images of your geometry.

June 11, 2015, 19:47		#6
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,870 Rep Power: 144	* You are using 0.2s time steps. Have you checked this is suitable? * You have Body Force averaging type = volume weighted. Did you change this from the default? If so, why? * You are running second order time time stepping. I would use first order while you do basic debugging. Go back to second order when the simulation is running correctly. * What keeps the biomass in the correct spot in the real reactor? There does not seem to be much to hold it in place. Is it a packing thing? If so then you will need to look at the fluidised bed packing fraction stuff.

June 11, 2015, 22:23		#7
jajirobe11 New Member jose sand Join Date: Jun 2015 Posts: 7 Rep Power: 11	could you please explain to me every step with images ? I would greatly appreciate it . Im really confused. thanks

June 11, 2015, 22:26		#8
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,870 Rep Power: 144	I don't have time to do that. I am a busy man. If you answer or comment against my suggestions we can discuss it in more detail.

June 11, 2015, 22:27		#9
jajirobe11 New Member jose sand Join Date: Jun 2015 Posts: 7 Rep Power: 11	ok I 'd recommend you? please help me and follow your guide.

June 12, 2015, 14:28		#10
jajirobe11 New Member jose sand Join Date: Jun 2015 Posts: 7 Rep Power: 11	How do I know that my simulation is correct. I must take into account whether the results are true or are close to reality. thanks

June 13, 2015, 07:17		#11
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,870 Rep Power: 144	Look at this FAQ: http://www.cfd-online.com/Wiki/Ansys..._inaccurate.3F And the FAQs related to it.

June 13, 2015, 13:51		#12
jajirobe11 New Member jose sand Join Date: Jun 2015 Posts: 7 Rep Power: 11	Thank you.