[OpenFOAM] Size * is not equal to the given value of *

MtnRunBeachBum · April 24, 2015, 17:09

I am trying to view a solution in ParaView (paraFoam). When I try to step through the timesteps, after the first step or two I get the following:

Code:

-->FOAM FATAL IO ERROR:
size 500000 is not equal to the given value of 740324

From there the error message indicates the crash occurred while trying to read the p file for the corresponding timestep. I know that 500000 is the size of my overall mesh from blockMesh, but I cannot figure out where 740XXX comes from. More importantly (I think), I cannot figure out where OF is getting that value from; I would say that value was written (somehow, maybe a previous block mesh iteration?) to some file or dictionary, but I cannot figure out where. Perhaps another possibility is the block mesh info isn't playing nice with the snappyHeMesh info, though I don't even know if that's a thing.

I've tried copying over the directory and clearing out any created files, but to no avail.

Any insight?

Cheers,
Jimmy

wyldckat · April 25, 2015, 07:01

Quick answer: My guess is that you did not run snappyHexMesh with the "-overwrite" option:

Code:

snappyHexMesh -overwrite

MtnRunBeachBum · April 25, 2015, 10:09

That makes sense. I'll give that a shot. I guess I would have thought sHM would overwrite old results/data by default. Is that more of a OF thing or Linux thing?

wyldckat · April 25, 2015, 15:09

Quick answer: When in doubt, use the option "-help":

Code:

snappyHexMesh -help

which can work with most applications in Linux.

David Jean · May 28, 2021, 22:40

Hi.

I am using OpenFOAM I meet a problem like that. Could you help me to solve this problem? Thank you so much. I hope you are doing well.

April 24, 2015, 17:09	Size * is not equal to the given value of *	#1
MtnRunBeachBum New Member Jimmy Join Date: Apr 2015 Posts: 20 Rep Power: 11	I am trying to view a solution in ParaView (paraFoam). When I try to step through the timesteps, after the first step or two I get the following: Code: -->FOAM FATAL IO ERROR: size 500000 is not equal to the given value of 740324 From there the error message indicates the crash occurred while trying to read the p file for the corresponding timestep. I know that 500000 is the size of my overall mesh from blockMesh, but I cannot figure out where 740XXX comes from. More importantly (I think), I cannot figure out where OF is getting that value from; I would say that value was written (somehow, maybe a previous block mesh iteration?) to some file or dictionary, but I cannot figure out where. Perhaps another possibility is the block mesh info isn't playing nice with the snappyHeMesh info, though I don't even know if that's a thing. I've tried copying over the directory and clearing out any created files, but to no avail. Any insight? Cheers, Jimmy

April 25, 2015, 07:01		#2
wyldckat Retired Super Moderator Bruno Santos Join Date: Mar 2009 Location: Lisbon, Portugal Posts: 10,975 Blog Entries: 45 Rep Power: 128	Quick answer: My guess is that you did not run snappyHexMesh with the "-overwrite" option: Code: snappyHexMesh -overwrite

April 25, 2015, 15:09		#4
wyldckat Retired Super Moderator Bruno Santos Join Date: Mar 2009 Location: Lisbon, Portugal Posts: 10,975 Blog Entries: 45 Rep Power: 128	Quick answer: When in doubt, use the option "-help": Code: snappyHexMesh -help which can work with most applications in Linux. mdhfiz likes this.

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April 25, 2015, 10:09		#3
MtnRunBeachBum New Member Jimmy Join Date: Apr 2015 Posts: 20 Rep Power: 11	That makes sense. I'll give that a shot. I guess I would have thought sHM would overwrite old results/data by default. Is that more of a OF thing or Linux thing?

May 28, 2021, 22:40		#5
David Jean New Member A Join Date: Dec 2018 Posts: 8 Rep Power: 7	Hi. I am using OpenFOAM I meet a problem like that. Could you help me to solve this problem? Thank you so much. I hope you are doing well.

[OpenFOAM] Size *** is not equal to the given value of ***

[OpenFOAM] Size * is not equal to the given value of *