tutorials/mesh/moveDynamicMesh/simpleHarmonicMotion/0.org/pointDisplacement

   1 /*--------------------------------*- C++ -*----------------------------------*\
   2 | =========                 |                                                 |
   3 | \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox           |
   4 |  \\    /   O peration     | Version:  2.0.0                                 |
   5 |   \\  /    A nd           | Web:      www.OpenFOAM.org                      |
   6 |    \\/     M anipulation  |                                                 |
   7 \*---------------------------------------------------------------------------*/
   8 FoamFile
   9 {
  10     version     2.0;
  11     format      ascii;
  12     class       pointVectorField;
  13     location    "0.01";
  14     object      pointDisplacement;
  15 }
  16 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
  17
  18 dimensions      [0 1 0 0 0 0 0];
  19
  20 internalField   uniform (0 0 0);
  21
  22 boundaryField
  23 {
  24     stationaryWalls
  25     {
  26         type            fixedValue;
  27         value           uniform (0 0 0);
  28     }
  29     movingBlock
  30     {
  31         type            uncoupledSixDoFRigidBodyDisplacement;
  32         centreOfMass    (0.5 0.5 0.5);
  33         momentOfInertia (0.1052 0.1052 0.1778);
  34         mass            9.6;
  35         velocity        (0 0 0);
  36         orientation     (1 0 0 0 1 0 0 0 1);
  37         acceleration    (0 0 0);
  38         angularMomentum (0 0 0);
  39         torque          (0 0 0);
  40         gravity         (0 0 0);
  41         rhoInf          1;
  42         report          on;
  43         restraints
  44         {
  45             topSpring
  46             {
  47                 sixDoFRigidBodyMotionRestraint linearSpring;
  48
  49                 linearSpringCoeffs
  50                 {
  51                     anchor          (0.5 0.5 1);
  52                     refAttachmentPt $centreOfMass;
  53                     stiffness       5000;
  54                     damping         50;
  55                     restLength      0.4;
  56                 }
  57             }
  58         }
  59         constraints
  60         {
  61             maxIterations       500;
  62
  63             fixedAxes1
  64             {
  65                 sixDoFRigidBodyMotionConstraint fixedOrientation;
  66                 tolerance           1e-6;
  67                 relaxationFactor    1.0;
  68                 fixedOrientationCoeffs {}
  69             }
  70
  71             fixedLine1
  72             {
  73                 sixDoFRigidBodyMotionConstraint fixedLine;
  74                 tolerance           1e-6;
  75                 relaxationFactor    1.0;
  76                 fixedLineCoeffs
  77                 {
  78                     refPoint      $centreOfMass;
  79                     direction     (0 0 1);
  80                 }
  81             }
  82         }
  83         value           uniform (0 0 0);
  84     }
  85 }
  86
  87
  88 // ************************************************************************* //