geo

dG3D/benchmarks/impactSphere/impactSphere.geo

+SetFactory("OpenCASCADE");
+
+Mesh.Optimize = 1;
+Mesh.SecondOrderLinear = 1;
+mm = 1.; // Unit
+//Geometry.AutoCoherence = 0.000000001*mm;
+Geometry.Tolerance = 0.000000001*mm; // adjust value here for correct merge result
+Mesh.CharacteristicLengthMin = 1.*mm;
+Mesh.CharacteristicLengthMax = 25.*mm;
+
+
+
+
+
+
+RextLattice = 100*mm;
+HLattice    = 4.*7.5*mm;
+LLattice    = 7.5*mm; //mesh size
+
+
+LowerPlate  = 2.*mm;
+UpperPlate  = 2.*mm;
+LPlate      = 7.5*mm; //mesh size
+
+RextImpactor = 100*mm;
+RintImpactor = 75.*mm;
+LImpactor    = 25*mm; //mesh size
+
+
+// lower plate
+plate()+=newv;  Cylinder(newv) = {0,0,0, 0,0,LowerPlate, RextLattice, Pi/2.};
+surflowerplate[] = Abs(Boundary{ Volume{plate(0)}; });
+Printf("surf lower plate ",surflowerplate());
+// upper plate
+plate()+=newv;  Cylinder(newv) = {0,0,LowerPlate+HLattice, 0,0,UpperPlate, RextLattice, Pi/2.};
+surfupperplate[] = Abs(Boundary{ Volume{plate(1)}; });
+Printf("surf upper plate ",surfupperplate());
+
+Characteristic Length { PointsOf{ Volume{ plate[] };  } } = LPlate;
+
+// lattice part
+lattice()+=newv;  Cylinder(newv) = {0,0,LowerPlate, 0,0,HLattice, RextLattice, Pi/2.};
+surflattice[]    = Abs(Boundary{ Volume{lattice(0)}; });
+Printf("surf lattice ",surflattice());
+Characteristic Length { PointsOf{ Volume{ lattice[] };  } } = LLattice;
+
+
+
+
+//impactor
+//+
+impactortmp()+=newv; Sphere(newv) = {0.-0.0001*mm, 0.-0.0001*mm, LowerPlate+HLattice+UpperPlate+RextImpactor+0.0001*mm, RextImpactor, -Pi/2, 0., Pi/2.};
+//+
+impactortmp()+=newv; Sphere(newv) = {0.-0.0001*mm, 0.-0.0001*mm, LowerPlate+HLattice+UpperPlate+RextImpactor+0.0001*mm, RintImpactor, -Pi/2, 0., Pi/2.};
+
+impactor()+=newv; BooleanDifference(newv) = { Volume{impactortmp(0)}; Delete; }{ Volume{impactortmp(1)}; Delete; };
+surfimpactor[]    = Abs(Boundary{ Volume{impactor(0)}; });
+Printf("surf impactor ",surfimpactor());
+
+Characteristic Length { PointsOf{ Volume{ impactor[] };  } } = LImpactor;
+
+
+
+
+OXZ=101;
+Physical Surface(OXZ) = {surflowerplate(3), surflattice(3),surfupperplate(3)};
+OYZ=100;
+Physical Surface(OYZ) = {surflowerplate(4), surflattice(4),surfupperplate(4)};
+
+OXYLOW=200;
+Physical Surface(OXYLOW) = {surflowerplate(2)};
+OXYUP=201;
+Physical Surface(OXYUP) = {surfupperplate(1)};
+
+LOWERPLATE=51;
+Physical Volume(LOWERPLATE) = {plate(0)};
+UPPERPLATE=52;
+Physical Volume(UPPERPLATE) = {plate(1)};
+
+LATTICE=53;
+Physical Volume(LATTICE) = {lattice(0)};
+
+
+OXZIMPACTOR=1001;
+Physical Surface(OXZIMPACTOR) = {surfimpactor(3)};
+OYZIMPACTOR=1000;
+Physical Surface(OYZIMPACTOR) = {surfimpactor(2)};
+
+OXYIMPACTORLOW=2000;
+Physical Surface(OXYIMPACTORLOW) ={surfimpactor(0)};
+OXYIMPACTORUP=2001;
+Physical Surface(OXYIMPACTORUP) = {surfimpactor(1)};
+
+IMPACTOR=1001;
+Physical Volume(IMPACTOR) = {impactor(0)};
+
+
+//rigid contact
+X_contact=-0.1*mm;
+Y_contact=-0.1*mm;
+Z_contact=-0.0000001*mm;
+L_contact=RextLattice+2.*mm;
+Point(11001) = {X_contact,Y_contact,Z_contact};
+Point(11002) = {X_contact,Y_contact+L_contact,Z_contact};
+Point(11003) = {X_contact+L_contact,Y_contact+L_contact,Z_contact};
+Point(11004) = {X_contact+L_contact,Y_contact,Z_contact};
+Line(10001) = {11001, 11002};
+Line(10002) = {11002, 11003};
+Line(10003) = {11003, 11004};
+Line(10004) = {11004, 11001};
+Line Loop(10001) = {10004, 10001, 10002, 10003};
+Physical Point(11001) = {11001};
+Plane Surface(10001) = {10001};
+Transfinite Line {10001,10002,10003,10004} = 2 Using Progression 1;
+Transfinite Surface {10001};
+Recombine Surface {10001};
+RIGIDCONTACT=10001;
+Physical Surface(RIGIDCONTACT) = {10001};
+
+
+
+