[sihaqqi]

Dear Bruno

Many thanks for your efforts. I removed last time step to check again at 0.1008569 and same thin happened. Also I tried with 0.1008569 and 0.100857 and I got the error as double scalar. I have attached the file you asked for. Log file is 203MB so after compression, it is still big enough and cannot be attached. However tomorrow I shall try to see in my Uni what other compression software we have. If I have something which can compress more, I shall reattach.

Best Regards
Imad

[wyldckat]

Hi Imad,

Hopefully I've figured out what the problem is! And it's one of those really annoying ones at that...

OK, in post #16 you have this:

Time = 0.1011976

It has 7 significant digits.

Then in post #18 you have the following details:

1. Originally Posted by sihaqqi

   No such time step as 0.101057 exists anywhere. Last time step I have in all processors is 0.1010569.

   The solver is asking for a time folder with 6 significant digits. But the existing folder has got 7 digits.

2. Originally Posted by sihaqqi

   Controldict contents are
   
   

   //...
   deltaT          1e-7;
   //...
   timePrecision   6;
   //...

   The defined precision in "controlDict" is 6 digits.

In the file list you attached in the previous folder you also have a lot of time folders with 7 digits. This apparently is because you have a deltaT of 1e-7, which means that sooner or later you're going to at least need 7 significant digits.

In addition, the file list you provided does not follow to a fixed deltaT, which I assume is because you used "writeControl clockTime" in the first run, which lead to the time folders you have at this moment.


The solution should be crazy simple: edit the file "system/controlDict" and change the timePrecision entry to 7 or 8 or even 9.


I do write every once in a while here on the forum that every single detail, no matter how insignificant if may seem, is a lot more important to OpenFOAM than we might want to believe!

Best regards,
Bruno

[sihaqqi]

Dear Bruno
I did not come back earlier because I have modified my controlDict and am waiting for simulations to run so that I can give you some sort of feedback. Still I am waiting. As soon as I see everything is okay which I expect it to be like you do, I shall advise.
Thanks again

Best Regards
Imad

[sihaqqi]

Hi Bruno

I am experiencing same error.

cannot find file
[210] 
[210] file: /scratch/director674/shaqqi/tee/LES/75_original/processor210/0.100857/p at line 0.
[210] 
[210]     From function regIOobject::readStream()

error continues for many processors like this

Also, log file ends in

"e533.27255"
"e541.5558"
"e548.5864"
)

Pstream initialized with:
    floatTransfer     : 0
    nProcsSimpleSum   : 0
    commsType         : nonBlocking
sigFpe : Floating point exception trapping - not supported on this platform
fileModificationChecking : Monitoring run-time modified files using timeStampMaster
allowSystemOperations : Disallowing user-supplied system call operations

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Create time

Create mesh for time = 0.100857

Reading field p

[wyldckat]

Hi Imad,

A few questions:

1. What is the content of the "system/controlDict" file you used for this latest output?
2. Which are the latest time folders that are present in the "processor*" folders?
3. What is the content of the file "uniform/time" that is in the latest time folder, in "processor0"?
   For example, if the latest time folder is "0.1008569", then what's inside the file "processor0/0.1008569/uniform/time"?

By the way, when posting code, file contents and so on, please use the "[CODE]" markers, as explained here: Posting code and output with [CODE]

Best regards,
Bruno

[sihaqqi]

Hi Bruno

controlDict contents are

application     pisoFoam;

startFrom       latestTime; 

stopAt          endTime;
//stopAt          nextWrite;

endTime         5e-1;

deltaT          1e-7;

writeControl    timeStep;
//writeControl    clockTime;

writeInterval   2000;

purgeWrite      10;

writeFormat     ascii;

writePrecision  8;

writeCompression off;

timeFormat      general;

timePrecision   6;

runTimeModifiable true;

functions
{
    probes
    {
        type            probes;
        functionObjectLibs ("libsampling.so");
        enabled         true;
        outputControl   timeStep;
        outputInterval  1;

        fields
        (
            p
        );

        probeLocations
        (
         (0.036 2.000 0)
         (0.036 2.400 0)
            (0.036 2.600 0)
            (0.036 2.700 0)
            (0.036 2.798 0)
         (0.100 2.798 0)
         (0.300 2.798 0)
         (0.500 2.798 0)
         (1.000 2.798 0)
            (1.500 2.798 0)
         (2.000 2.798 0)
         (2.500 2.798 0)  
         (3.000 2.798 0) 
         (3.500 2.798 0) 
         (4.000 2.798 0) 
         (4.500 2.798 0)
         (-0.100 2.798 0)
         (-0.300 2.798 0)
         (-0.500 2.798 0)
         (-1.000 2.798 0)
            (-1.500 2.798 0)
         (-2.000 2.798 0)
         (-2.500 2.798 0)  
         (-3.000 2.798 0) 
         (-3.500 2.798 0) 
         (-4.000 2.798 0) 
         (-4.500 2.798 0)      
        );

    }

    fieldAverage1
    {
        type            fieldAverage;
        functionObjectLibs ("libfieldFunctionObjects.so");
        enabled         true;
        outputControl   outputTime;

        fields
        (
            U
            {
                mean        on;
                prime2Mean  on;
                base        time;
            }

            p
            {
                mean        on;
                prime2Mean  on;
                base        time;
            }
        );
    }

    surfaceSampling
    {
        // Sample near-wall velocity

        type surfaces;

        // Where to load it from (if not already in solver)
        functionObjectLibs ("libsampling.so");
        enabled         true;
        outputControl   outputTime;

        interpolationScheme cellPoint;

        surfaceFormat vtk;

        // Fields to be sampled
        fields
        (
            U
        );

        surfaces
        (
            nearWall
            {
                type            patchInternalField;
                patches         ( lowerWall );
                distance        1E-6;
                interpolate     true;
                triangulate     false;
            }
        );
    }

Answer 2: Latest time step is 0.1008569

Answer 3:
Last time step uniform/time contents are below

FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    location    "0.1008569/uniform";
    object      time;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

value           0.100857;

name            "0.1008569";

index           182000;

deltaT          1e-07;

deltaT0         1e-07;


// ************************************************************************* //

Do you think if I change all time files manually and write value as 0.1008569 instead of 0.100857, should it work. Is there any command in linux which can change all these files with this value simultaneously as there are 1200 processors i.e., if it is going to be of help.

Thanks for your efforts and time.
Regards
Imad

[wyldckat]

Hi Imad,

I strongly advise you not to manually modify the time information in the time-related folders and files. Specially because you're using the time averaging procedure.

Edit the file "system/controlDict" and change this line:

timePrecision   6;

To this:

timePrecision 8;

or to this:

timePrecision 9;

Best regards,
Bruno

[sihaqqi]

Thanks Bruno

I apologize, I made writePrecision as 8 but not timePrecision by mistake. Anyways, I have corrected it. Hopefully it should work. I shall update you as soon as simulations run.

Best Regards
Imad

[sihaqqi]

Dear Bruno

Thanks, it has worked.

Best Regards
Imad

[sihaqqi]

Originally Posted by sihaqqi

Dear Bruno

Thanks, it has worked.

Best Regards
Imad

Dear Bruno,
With reference to my question at link at
http://www.openfoam.org/mantisbt/view.php?id=1355#c3178

I will let that question at openfoam.org stay because I need to know why the software does not write more time steps after deleting the different time step. If we together figure out a way to solve it, I shall close the query myself. I know that solving all my questions is not your responsibility but in fact people like you take out your time to guide us.
I have posted the same question with more description at the link
http://www.cfd-online.com/Forums/ope...tml#post503586

If you can just go through it and advise, it would be great as it can save a lot of time. For your information, my job scheduler does not provide any warning as you mentioned. I use OpenFOAM 2.1.1. I cannot find "adjustTimeStep".

Regards
Imad

[wyldckat]

Hi Imad,

I've answered your question in the other thread. As for the last statement on this post above:

Originally Posted by sihaqqi

I cannot find "adjustTimeStep".

It's explained in the User Guide: http://www.openfoam.org/docs/user/controlDict.php - and demonstrated in several tutorials.
You can find all tutorials that use this feature by running this command:

find $FOAM_TUTORIALS -name controlDict | xargs grep -sl "adjustTimeStep"

For more information on how to search for more information in files present in OpenFOAM: http://openfoamwiki.net/index.php/In...hing_for_files

Best regards,
Bruno

[diananilminikumari]

Dear all,
I was trying to simulate flow through a cylinder.
After run the blockMesh , I have run buoyantBoussinesqPimpleFoam.
but it gave the error,

-> FOAM FATAL IO ERROR:
cannot find file

file: /home/diana/OpenFOAM/diana-2.3.0/run/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotcylinderm/0/T at line 0.

From function regIOobject::readStream()
in file db/regIOobject/regIOobjectRead.C at line 73.

FOAM exiting

Since I'm new in OpenFoam it is difficult to find why this is happening . please kind to help me

[franjo_j]

Hello,

It looks the T file does not exist in the 0 folder of your case. This is file needed to read the boundary conditions for the temperature fields and the values of temperature. Some tutorials in OpenFOAM-2.3.0 contain T.org which you can use a template for your problem.

Regards,

Franjo

Originally Posted by diananilminikumari

Dear all,
I was trying to simulate flow through a cylinder.
After run the blockMesh , I have run buoyantBoussinesqPimpleFoam.
but it gave the error,

-> FOAM FATAL IO ERROR:
cannot find file

file: /home/diana/OpenFOAM/diana-2.3.0/run/tutorials/heatTransfer/buoyantBoussinesqPimpleFoam/hotcylinderm/0/T at line 0.

From function regIOobject::readStream()
in file db/regIOobject/regIOobjectRead.C at line 73.

FOAM exiting

Since I'm new in OpenFoam it is difficult to find why this is happening . please kind to help me

[diananilminikumari]

Originally Posted by franjo_j

Hello,

It looks the T file does not exist in the 0 folder of your case. This is file needed to read the boundary conditions for the temperature fields and the values of temperature. Some tutorials in OpenFOAM-2.3.0 contain T.org which you can use a template for your problem.

Regards,

Franjo

Thank you very much, for your information and I got it .

[sumo793]

--> FOAM FATAL IO ERROR:
Cannot find patchField entry for rotatingWall1

file: /home/sumit/OpenFOAM/sumit-3.0.1/run/tutorials/incompressible/simpleFoam/generator/0/U.boundaryField from line 26 to line 75.

From function GeometricField<Type, PatchField, GeoMesh>::GeometricBoundaryField::readField(const DimensionedField<Type, GeoMesh>&, const dictionary&)
in file /home/openfoam/OpenFOAM/OpenFOAM-3.0.1/src/OpenFOAM/lnInclude/GeometricBoundaryField.C at line 209.

FOAM exiting



rotatingWall2
{
type fixedValue;
value uniform (0 0 0);
origin (0 0 0);
axis (1 0 0);
omega 83.73;
}

rotatingWall3
{
type fixedValue;
value uniform (0 0 0);
origin (0 0 0);
axis (1 0 0);
omega 83.73;
}

rotatingWall1
{
type fixedValue;
value uniform (0 0 0);
origin (0 0 0);
axis (1 0 0);
omega 83.73;

}



stuck at this error from few days....any solution

[Antimony]

Hi,

My guess, without looking at the entire U file, is that you are missing a ; and/or a } somewhere.

Cheers,
Antimony

[sumo793]

i will check....thanks

[niran]

i am facing the same problem

Reading waveProperties


--> FOAM FATAL IO ERROR:
cannot find file

file: /home/user/OpenFOAM/user-2.4.0/run/waveFlume2/constant/waveProperties at line 0.

From function regIOobject::readStream()
in file db/regIOobject/regIOobjectRead.C at line 73

how to slove this problem

i am running wave2foam tutorial waveFlume

[Aditya Patil]

OpenFOAM for Windows 16.06 (v2)

Aadhi@Aditya /cygdrive/c/OpenFOAM/Aadhi-3.0.x/run
$ tutorials/incompressible/icoFoam/elbow_tri
-bash: tutorials/incompressible/icoFoam/elbow_tri: Is a directory

Aadhi@Aditya /cygdrive/c/OpenFOAM/Aadhi-3.0.x/run
$ fluentMeshToFoam.exe elbow.msh
/*---------------------------------------------------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 3.0.x |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
|*---------------------------------------------------------------------------*|
|* OpenFOAM for Windows 16.06 (v1) *|
|* Built by CFD Support, www.cfdsupport.com (based on Symscape). *|
\*---------------------------------------------------------------------------*/
Build : 3.0.x-ac3f6c67e02f
Exec : C:\OpenFOAM\cygwin64\opt\OpenFOAM\OpenFOAM-3.0.x\platforms\cygwin64mingw-w64DPInt32Opt\bin\fluentMeshToFoam.exe elbow.msh
Date : Jan 05 2017
Time : 18:11:14
Host : "ADITYA"
PID : 3904
Case : C:/OpenFOAM/Aadhi-3.0.x/run
nProcs : 1
fileModificationChecking : Monitoring run-time modified files using timeStampMaster
allowSystemOperations : Allowing user-supplied system call operations

// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
Create time



--> FOAM FATAL IO ERROR:
cannot find file

file: C:/OpenFOAM/Aadhi-3.0.x/run/system/controlDict at line 0.

From function regIOobject::readStream()
in file db/regIOobject/regIOobjectRead.C at line 73.

FOAM exiting


Aadhi@Aditya /cygdrive/c/OpenFOAM/Aadhi-3.0.x/run
$

[alixcattermole]

Hello,

I am trying to import a mesh from netgen to openfoam and getting the same problem you had when i use the command netgenNeutralToFoam.
How did you manage to get around this error?
My error -->FOAM FATAL IO ERROR
cannot find file

file: /home/ofuser/workingDir/openfoam-v1706/system/controlDict at line 0

I am in the openfoam-v1706 working directory when i do this.

Thanks.