[Behzad60]

Hello all,

I am simulating a solid-fluid interaction case and I wanted to write the data associated with solid body motion like angular velocity and center of mass. But, the option "reportToFile" is not writing any output (following explanations in https://openfoamwiki.net/index.php/P...onSolverFvMesh).

I am using OpenFoam 3.0.1 and sixDoFRigidBodyMotion in dynamicMeshDict as follows:

/*--------------------------------*- C++ -*----------------------------------*\
| =========                 |                                                 |
| \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
|  \\    /   O peration     | Version:  3.0.1                                 |
|   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
|    \\/     M anipulation  |                                                 |
\*---------------------------------------------------------------------------*/
FoamFile
{
    version     2.0;
    format      ascii;
    class       dictionary;
    object      motionProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

dynamicFvMesh   dynamicMotionSolverFvMesh;

motionSolverLibs ( "libsixDoFRigidBodyMotion.so" );

solver          sixDoFRigidBodyMotion;

diffusivity     quadratic inverseDistance 5 ( slat );

sixDoFRigidBodyMotionCoeffs
{
    patches         ( slat );

    innerDistance   0.03;

    outerDistance   0.1;

//=== slat info

    centreOfMass     (0.04 0 0);

    rhoName         rhoInf;
    rhoInf          7700; //2800;

    mass            0.0462; //0.0168;

    momentOfInertia (1.9992 1.8342 0.1658); //( 0.727 0.667 0.0603 );

    orientation
    (
       1 0 0
       0 1 0
       0 0 1
    );

//===

    g               (0 0 -9.81);

    velocity        (0 0 0);

    accelerationRelaxation 0.9;

    accelerationDamping 0.7;

    report          on;
    reportToFile    on;

    solver
    {
        type    CrankNicolson;
        aoc     0.5;    // Acceleration off-centering coefficient
        voc     0.5;    // Velocity off-centering coefficient
    }

    constraints
    {
         fixedPoint
         {
             sixDoFRigidBodyMotionConstraint point;
             centreOfRotation (0 0 0); 
         }

        rotationAxis
        {
            sixDoFRigidBodyMotionConstraint axis;
            axis (0 1 0);
        }
    }

//    restraints
//    {
//        Weight
//        {
//            sixDoFRigidBodyMotionRestraint constantForce;
//            refAttachmentPt ( 0 0 -0.04 );
//            constantForce   ( 0 0 -0.165 );
//        }
//    }

}

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

I appreciate any idea and help regarding this issue.

Thanks - Behzad

[maram]

Hello Behazad,
I have the same problem with the option "reportToFile" .

Did you solve it?

Thanks

[jessica_ict]

check the log file,
then you can see angular velocity and center of mass right away.

[Mojtaba.a]

Originally Posted by jessica_ict

check the log file,
then you can see angular velocity and center of mass right away.

This doesn't work for sixDoF library. It only works on rigidBody library.
I have the same problem.

[Zhi Cheng]

Hi, maram, have you solved this problem?
Many thanks!
ZHI CHENG

Originally Posted by maram

Hello Behazad,
I have the same problem with the option "reportToFile" .

Did you solve it?

Thanks

[Bazinga]

Can you possibly try this in a newer version? For me, the reportToFile works in OpenFOAM 6. I remember that I had the same problem and it might have been a version issue but I can't recall exactly.

[Bruno_Kwothe]

Hey there!

I am trying with version 6 and have the same problem. My dynamicMeshDict uses dynamicMotionSolverFvMesh as dynamicFvMesh and the used motionSolver is rigidBodyMotion.

Hope someone can shed a light in this matter!

Bruno

[Bazinga]

Originally Posted by Bruno_Kwothe

Hey there!

I am trying with version 6 and have the same problem. My dynamicMeshDict uses dynamicMotionSolverFvMesh as dynamicFvMesh and the used motionSolver is rigidBodyMotion.

Hope someone can shed a light in this matter!

Bruno

Can you upload the relevant files and the output of the log?