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  • Admin Admin OpenFOAM-admin
  • Andrew Heather Andrew Heather andy
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9 authors
  1. Oct 23, 2017
  3. Oct 19, 2017
  5. Oct 18, 2017
  7. Sep 04, 2017
  9. Apr 04, 2018
  11. Jul 13, 2017
  13. Dec 14, 2017
  15. Dec 15, 2017
  17. Dec 13, 2017
    • Will Bainbridge's avatar
      ENH: rigidBodyModelState: Added time value member · fe595af8
      Will Bainbridge authored and Andrew Heather's avatar Andrew Heather committed 
      The absolute value of the the time has been added to the rigid body
model state. This value is not directly necessary for calculating the
evolution of the rigid body system, it just facilitates the
implementation of sub-models which are in some way time-dependent.
      fe595af8
  19. Dec 01, 2017
  21. Nov 29, 2017
  23. Nov 22, 2017
  25. Nov 16, 2017
    • Henry Weller's avatar
      ENH: surfaceFilmModels::waxSolventEvaporation, waxSolventViscosity: new wax/solvent film models · 512252a6
      Henry Weller authored and Andrew Heather's avatar Andrew Heather committed 
      to support the evaporation of the solvent from the wax film and the changes in
viscosity caused by the reduction in solvent content.

BUG: filmViscosityModel::thixotropicViscosity: Corrected sign of impingement rate

to compensate for rhoSp having the wrong sign

BUG: surfaceFilmModels::waxSolventEvaporation: Corrected handling of impingement

ENH: surfaceFilmModels::waxSolventViscosity: Changed mixing to mole-fraction based

ENH: surfaceFilmModels::thermoSingleLayer: Added call to solveContinuity before updateSubmodels

to allow sub-models to solve transport equations for conserved properties
      512252a6
  27. Nov 14, 2017
  29. Nov 09, 2017
  31. Nov 06, 2017
    • Will Bainbridge's avatar
      ENH: reconstructParMesh: Match face point averages on coupled patches · f30e0ab8
      Will Bainbridge authored and Andrew Heather's avatar Andrew Heather committed 
      In the event that matching centroids across a coupled patch pair fails,
we fall back to matching the face point average. The latter can be
obtained more reliably on degenerate faces as the calculation does not
involve division by the face area.

This fallback was already implemented as part of processorPolyPatch.
This change also applies it to the faceCoupleInfo class used by
reconstructParMesh.
      f30e0ab8
  33. Nov 07, 2017
  35. Nov 02, 2017
  37. Oct 31, 2017
  39. Oct 30, 2017
    • Henry Weller's avatar
      ENH: compressibleInterPhaseTransportFoam: New variant of compressibleInterFoam... · dbc111e6
      Henry Weller authored and Andrew Heather's avatar Andrew Heather committed 
      ENH: compressibleInterPhaseTransportFoam: New variant of compressibleInterFoam supporting separate phase stress models

In this version of compressibleInterFoam separate stress models (laminar,
non-Newtonian, LES or RAS) are instantiated for each of the two phases allowing
for completely different modeling for the phases.

e.g. in the climbingRod tutorial case provided a Newtonian laminar model is
instantiated for the air and a Maxwell non-Newtonian model is instantiated for
the viscoelastic liquid.  To stabilize the Maxwell model in regions where the
liquid phase-fraction is 0 the new symmTensorPhaseLimitStabilization fvOption is
applied.

Other phase stress modeling combinations are also possible, e.g. the air may be
turbulent but the liquid laminar and an RAS or LES model applied to the air
only.  However, to stabilize this combination a suitable fvOption would need to
be applied to the turbulence properties where the air phase-fraction is 0.

Henry G. Weller, Chris Greenshields
CFD Direct Ltd.
      dbc111e6
  41. Oct 27, 2017
  43. Oct 26, 2017
  45. Oct 20, 2017
    • Will Bainbridge's avatar
      BUG: RBD: restraints: Corrected restraint force transformations · 4dd8b3f2
      Will Bainbridge authored and Andrew Heather's avatar Andrew Heather committed 
      The restraints generate either joint-local (tau) or global (fx) forces.
At the moment they all generate the latter. This change corrects three
of the four restraints so that the forces are in the gobal coordinate
system and not the local coordinate system of the body.

The problem with this is that the forward dynamics code then transforms
most of the forces back to the body local coordinate system. A better
solution would be to associate restraints which are more sensibly
defined in a local frame with the joints instead of the bodies, and
return the forces as part of the tau variable.
      4dd8b3f2
  47. Oct 19, 2017
    • Will Bainbridge's avatar
      ENH: semiPermeableBaffle: Added two new boundary conditions and a tutorial · 79ad0f06
      Will Bainbridge authored and Andrew Heather's avatar Andrew Heather committed 
      Two boundary conditions for the modelling of semi-permeable baffles have
been added. These baffles are permeable to a number of species within
the flow, and are impermeable to others. The flux of a given species is
calculated as a constant multipled by the drop in mass fraction across
the baffle.

The species mass-fraction condition requires the transfer constant and
the name of the patch on the other side of the baffle:

boundaryField
{
    // ...

    membraneA
    {
        type            semiPermeableBaffleMassFraction;
        samplePatch     membranePipe;
        c               0.1;
        value           uniform 0;
    }
    membraneB
    {
        type            semiPermeableBaffleMassFraction;
        samplePatch     membraneSleeve;
        c               0.1;
        value           uniform 1;
    }
}

If the value of c is omitted, or set to zero, then the patch is
considered impermeable to the species in question. T...
      79ad0f06
  49. Oct 18, 2017
  51. Oct 17, 2017
  53. Oct 13, 2017
  55. Oct 12, 2017
  57. Oct 11, 2017
  59. Oct 09, 2017
  61. Oct 06, 2017
  63. Sep 15, 2017
    • Will Bainbridge's avatar
      ENH: foamyHexMesh: Set no refinement iterations in global dictionary · 66b3934a
      Will Bainbridge authored and Andrew Heather's avatar Andrew Heather committed 
      ENH: foamyHexMesh: Made default region volume type that of it's parent

Foamy surface conformation entries have a "meshableSide" entry which
controls which side of the surface is to be meshed. Typically this is
set "inside" for boundaries and "both" for baffles. A sub-region's
default entry is now taken from it's parent, rather than a specific
value (it was "inside"). This is consistent with how other entries are
handled.

surfaceConformation
{
    locationInMesh      (0 0 0);

    geometryToConformTo
    {
        baffle
        {
            featureMethod           extractFeatures;
            includedAngle           120;
            meshableSide            both; // <-- per-surface setting

            regions
            {
                disk
                {
                    meshableSide    both; // <-- per-region setting*

                    // *in this example, this entry is not needed, as it
                    // is taken from the per-surface setting above
                }
            }
        }

        // ...
    }
}

ENH: foamyHexMesh: Added (reinstated) baffle patches

A patch can now be assigned to a baffle surface. This assignment will
take precedence over any face-zones.

surfaceConformation
{
    locationInMesh      (0 0 0);

    geometryToConformTo
    {
        disk
        {
            featureMethod           extractFeatures;
            includedAngle           120;
            meshableSide            both; // <-- baffle
            patchInfo
            {
                type wall;
                inGroups (walls);
            }
        }

        // ...
    }
}

STYLE: foamyHexMesh: Switched off output of all the secondary meshes
      66b3934a
  65. Oct 05, 2017
  67. Oct 03, 2017
  69. Sep 28, 2017