relaxed mesh quality constraints

src/autoMesh/autoHexMesh/autoHexMeshDriver/autoLayerDriver.C

@@ -2474,8 +2474,8 @@ void Foam::autoLayerDriver::mergePatchFacesUndo
         << "      (cos:" << minCos << ')' << nl
         << "    - as long as the resulting face doesn't become concave"
         << " by more than "
-        << layerParams.concaveAngle()
+        << layerParams.concaveAngle() << " degrees" << nl
-        << " degrees (0=straight, 180=fully concave)" << nl
+        << "      (0=straight, 180=fully concave)" << nl
         << endl;
 
     label nChanged = mergePatchFacesUndo(minCos, concaveCos, motionDict);
@@ -2709,8 +2709,12 @@ void Foam::autoLayerDriver::addLayers
     boolList flaggedCells;
     boolList flaggedFaces;
 
-    for (label iter = 0; iter < layerParams.nLayerIter(); iter++)
+    for (label iteration = 0; iteration < layerParams.nLayerIter(); iteration++)
     {
+        Info<< nl
+            << "Layer addition iteration " << iteration << nl
+            << "--------------------------" << endl;
+
         // Make sure displacement is equal on both sides of coupled patches.
         syncPatchDisplacement
         (
@@ -2953,11 +2957,17 @@ void Foam::autoLayerDriver::addLayers
         // Unset the extrusion at the pp.
         const dictionary& meshQualityDict =
         (
-            iter < layerParams.nRelaxedIter()
+            iteration < layerParams.nRelaxedIter()
           ? motionDict
           : motionDict.subDict("relaxed")
         );
 
+        if (iteration >= layerParams.nRelaxedIter())
+        {
+            Info<< "Switched to relaxed meshQuality constraints." << endl;
+        }
+
+
         label nTotChanged = checkAndUnmark
         (
             addLayer,
@@ -2983,6 +2993,8 @@ void Foam::autoLayerDriver::addLayers
         // Reset mesh points and start again
         meshMover.movePoints(oldPoints);
         meshMover.correct();
+
+        Info<< endl;
     }
 
 

tutorials/mesh/snappyHexMesh/motorBike/system/snappyHexMeshDict

@@ -160,7 +160,7 @@ snapControls
     //- Relative distance for points to be attracted by surface feature point
     //  or edge. True distance is this factor times local
     //  maximum edge length.
-    tolerance       4;
+    tolerance 4.0;
 
     //- Number of mesh displacement relaxation iterations.
     nSolveIter      30;
@@ -182,344 +182,14 @@ addLayersControls
             nSurfaceLayers  1;
         }
 
-        motorBike_frt-fairing:001%1
+        "motorBike_.*"
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_windshield:002%2
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rr-wh-rim:005%5
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rr-wh-rim:010%10
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fr-wh-rim:011%11
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fr-wh-brake-disk:012%12
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_frame:016-shadow%13
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-susp:014%14
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-susp:014-shadow%15
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_frame:016%16
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rr-wh-rim:005-shadow%17
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rr-wh-chain-hub:022%22
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rearseat%24
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_frt-fairing%25
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_windshield%26
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_headlights%27
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_driversseat%28
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-body%29
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fuel-tank%30
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_exhaust%31
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rr-wh-rim%32
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fr-mud-guard%33
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fr-wh-rim%34
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fr-wh-brake-disk%35
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fr-brake-caliper%36
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fr-wh-tyre%37
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_hbars%38
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fr-forks%39
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_chain%40
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rr-wh-tyre%41
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_square-dial%42
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_round-dial%43
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_dial-holder%44
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-susp%45
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-brake-lights%46
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-light-bracket%47
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_frame%48
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-mud-guard%49
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-susp-spring-damp%50
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fairing-inner-plate%51
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_clutch-housing%52
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_radiator%53
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_water-pipe%54
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_water-pump%55
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_engine%56
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-shock-link%57
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-brake-fluid-pot-bracket%58
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-brake-fluid-pot%59
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_footpeg%60
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rr-wh-chain-hub%61
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-brake-caliper%62
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rider-helmet%65
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rider-visor%66
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rider-boots%67
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rider-gloves%68
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rider-body%69
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_frame:0%70
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_frt-fairing:001-shadow%74
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_windshield-shadow%75
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fr-mud-guard-shadow%81
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_fr-wh-brake-disk-shadow%83
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-mud-guard-shadow%84
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-susp-spring-damp-shadow%85
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_radiator-shadow%86
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-shock-link-shadow%87
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rear-brake-fluid-pot-bracket-shadow%88
-        {
-            nSurfaceLayers  1;
-        }
-
-        motorBike_rr-wh-chain-hub-shadow%89
         {
             nSurfaceLayers  1;
         }
     }
 
     // Expansion factor for layer mesh
-    expansionRatio  1;
+    expansionRatio 1.0;
 
     //- Wanted thickness of final added cell layer. If multiple layers
     //  is the
@@ -569,6 +239,10 @@ addLayersControls
 
     // Create buffer region for new layer terminations
     nBufferCellsNoExtrude 0;
+
+
+    // Overall max number of layer addition iterations
+    nLayerIter 50;
 }