# See the corresponding Python tutorial for detailed comments. import gmsh gmsh.initialize() function createGeometryAndMesh() gmsh.clear() gmsh.model.add("t3") lc = 1e-2 gmsh.model.geo.addPoint(0, 0, 0, lc, 1) gmsh.model.geo.addPoint(.1, 0, 0, lc, 2) gmsh.model.geo.addPoint(.1, .3, 0, lc, 3) gmsh.model.geo.addPoint(0, .3, 0, lc, 4) gmsh.model.geo.addLine(1, 2, 1) gmsh.model.geo.addLine(3, 2, 2) gmsh.model.geo.addLine(3, 4, 3) gmsh.model.geo.addLine(4, 1, 4) gmsh.model.geo.addCurveLoop([4, 1, -2, 3], 1) gmsh.model.geo.addPlaneSurface([1], 1) gmsh.model.geo.synchronize() gmsh.model.addPhysicalGroup(0, [1, 2], 1) gmsh.model.addPhysicalGroup(1, [1, 2], 2) gmsh.model.addPhysicalGroup(2, [1], 6) gmsh.model.setPhysicalName(2, 6, "My surface") h = 0.1 angle = 90. ov = gmsh.model.geo.extrude([(2, 1)], 0, 0, h, [8, 2], [0.5, 1]) ov = gmsh.model.geo.revolve([(2,28)], -0.1,0,0.1, 0,1,0, -pi / 2, [7]) angle = gmsh.onelab.getNumber("Parameters/Twisting angle")[1] ov = gmsh.model.geo.twist([(2, 50)], 0, 0.15, 0.25, -2 * h, 0, 0, 1, 0, 0, angle * pi / 180., [10], [], true) gmsh.model.geo.synchronize() gmsh.model.addPhysicalGroup(3, [1, 2, ov[2][2]], 101) gmsh.model.mesh.generate(3) gmsh.write("t3.msh") end gmsh.option.setNumber("Geometry.PointNumbers", 1) gmsh.option.setColor("Geometry.Points", 255, 165, 0) gmsh.option.setColor("General.Text", 255, 255, 255) gmsh.option.setColor("Mesh.Points", 255, 0, 0) r, g, b, a = gmsh.option.getColor("Geometry.Points") gmsh.option.setColor("Geometry.Surfaces", r, g, b, a) gmsh.onelab.set("""[ { "type":"number", "name":"Parameters/Twisting angle", "values":[90], "min":0, "max":120, "step":1 } ]""") createGeometryAndMesh() function checkForEvent() action = gmsh.onelab.getString("ONELAB/Action") if length(action) > 0 && action[1] == "check" gmsh.onelab.setString("ONELAB/Action", [""]) createGeometryAndMesh() gmsh.graphics.draw() end return true end if !("-nopopup" in ARGS) gmsh.fltk.initialize() while gmsh.fltk.isAvailable() == 1 && checkForEvent() gmsh.fltk.wait() end end gmsh.finalize()
Generated by dwww version 1.15 on Sat May 18 07:38:59 CEST 2024.