diff options
Diffstat (limited to 'Connections/Shear/Finplate/nut.py')
| -rw-r--r-- | Connections/Shear/Finplate/nut.py | 121 |
1 files changed, 29 insertions, 92 deletions
diff --git a/Connections/Shear/Finplate/nut.py b/Connections/Shear/Finplate/nut.py index a0d9397..a6767af 100644 --- a/Connections/Shear/Finplate/nut.py +++ b/Connections/Shear/Finplate/nut.py @@ -3,30 +3,39 @@ Created on 12-Dec-2014 NUT COMMENT @author: deepa ''' -from OCC.BRepFilletAPI import BRepFilletAPI_MakeFillet -#from OCC import TopoDS.TopoDS_Compound -from OCC.BRepAlgoAPI import BRepAlgoAPI_Cut, BRepAlgoAPI_Fuse -import numpy -from ModelUtils import * + import math +import numpy +from OCC.BRepAlgoAPI import BRepAlgoAPI_Cut +from ModelUtils import getGpPt,getGpDir,makeEdgesFromPoints,makeWireFromEdges,makePrismFromFace,makeFaceFromWire from OCC.BRepPrimAPI import BRepPrimAPI_MakeCylinder -#from OCC.BRepAlgo import BRepAlgo_BooleanOperation - -from OCC.TopAbs import TopAbs_EDGE #TopAbs_FACE -from OCC.TopExp import TopExp_Explorer -from OCC.TopoDS import TopoDS_Compound, topods -from OCC.TopTools import * -from OCC.Geom import * -from OCC.gp import gp_Pnt,gp_Ax2,gp_DZ,gp_Ax3,gp_Pnt2d,gp_Dir2d,gp_Ax2d -from OCC.Geom import * -from OCC.Geom2d import * -from OCC.GCE2d import * -import OCC.BRepLib as BRepLib -from OCC.BRepOffsetAPI import * -import OCC.BRep as BRep +from OCC.gp import gp_Ax2 class Nut(object): + ''' + a3 X-------------------+ a2 + X X|X + X X | X + X X | X + X X | X + X X | X + X X | X + X X 60 | X +a4 X XXXXXXXXXXXXXXXXX a1 + X X + X X + XX X + X X + X X + X X + X X + X-------------------X + a6 + a5 + + ''' + def __init__(self,R,T,H,innerR1): self.R = R self.H = H @@ -68,83 +77,11 @@ class Nut(object): aFace = makeFaceFromWire(wire) extrudeDir = self.T * self.wDir # extrudeDir is a numpy array prism = makePrismFromFace(aFace, extrudeDir) - mkFillet = BRepFilletAPI_MakeFillet(prism) - anEdgeExplorer = TopExp_Explorer(prism, TopAbs_EDGE) - while anEdgeExplorer.More(): - aEdge = topods.Edge(anEdgeExplorer.Current()) - mkFillet.Add(self.T / 17. , aEdge) - anEdgeExplorer.Next() - prism = mkFillet.Shape() cylOrigin = self.secOrigin - #cylOrigin = self.secOrigin + self.T * self.wDir innerCyl = BRepPrimAPI_MakeCylinder(gp_Ax2(getGpPt(cylOrigin), getGpDir(self.wDir)), self.r1, self.H).Shape() - #outerCyl = BRepPrimAPI_MakeCylinder(gp_Ax2(getGpPt(cylOrigin), getGpDir(self.wDir)), self.r2, self.H).Shape() - #nutBody = BRepAlgoAPI_Fuse(prism, outerCyl).Shape() - #my_cyl = BRepPrimAPI_MakeCylinder(9.0, 6.0).Shape() - #result_shape = BRepAlgoAPI_Cut(nutBody, innerCyl).Shape() - result_shape = BRepAlgoAPI_Cut(prism, innerCyl).Shape() - -# self.secOrigin = gp_Pnt(0 , 0 , 0) -# neckNormal = gp_DZ() -# # Threading : Create Surfaces -# -# nutAx2_bis = gp_Ax3(self.secOrigin , neckNormal) -# aCyl1 = Geom_CylindricalSurface(nutAx2_bis , self.T * 0.99) -# aCyl2 = Geom_CylindricalSurface(nutAx2_bis , self.T * 1.05) -# #aCyl3 = Geom_CylindricalSurface(nutAx2_bis , self.T * 1.11) -# aCyl1_handle = aCyl1.GetHandle() -# aCyl2_handle = aCyl2.GetHandle() -# #aCyl3_handle = aCyl3.GetHandle() -# -# # Threading : Define 2D Curves -# aPnt = gp_Pnt2d(2. * math.pi , self.H / 2.) -# aDir = gp_Dir2d(2. * math.pi , self.H / 4.) -# aAx2d = gp_Ax2d(aPnt , aDir) -# aMajor = 2. * math.pi -# aMinor = self.H / 7. -# anEllipse1 = Geom2d_Ellipse(aAx2d , aMajor , aMinor) -# anEllipse2 = Geom2d_Ellipse(aAx2d , aMajor , aMinor / 4.) -# anEllipse1_handle = anEllipse1.GetHandle() -# anEllipse2_handle = anEllipse2.GetHandle() -# aArc1 = Geom2d_TrimmedCurve(anEllipse1_handle, 0 , math.pi) -# aArc2 = Geom2d_TrimmedCurve(anEllipse2_handle, 0 , math.pi) -# aArc1_handle = aArc1.GetHandle() -# aArc2_handle = aArc2.GetHandle() -# anEllipsePnt1 = anEllipse1.Value(0) -# anEllipsePnt2 = anEllipse1.Value(math.pi) -# aSegment = GCE2d_MakeSegment(anEllipsePnt1 , anEllipsePnt2) -# -# # Threading : Build Edges and Wires -# -# aEdge1OnSurf1 = BRepBuilderAPI_MakeEdge( aArc1_handle , aCyl1_handle) -# aEdge2OnSurf1 = BRepBuilderAPI_MakeEdge( aSegment.Value() , aCyl1_handle) -# aEdge1OnSurf2 = BRepBuilderAPI_MakeEdge( aArc2_handle , aCyl2_handle) -# aEdge2OnSurf2 = BRepBuilderAPI_MakeEdge( aSegment.Value() , aCyl2_handle) -# threadingWire1 = BRepBuilderAPI_MakeWire(aEdge1OnSurf1.Edge() , aEdge2OnSurf1.Edge())#aEdge3OnSurf1.Edge()) -# self.threading1 = threadingWire1 -# threadingWire2 = BRepBuilderAPI_MakeWire(aEdge1OnSurf2.Edge() , aEdge2OnSurf2.Edge())#aEdge3OnSurf2.Edge()) -# BRepLib.breplib.BuildCurves3d(threadingWire1.Shape()) -# BRepLib.breplib.BuildCurves3d(threadingWire2.Shape()) -# -# # Create Threading -# -# aTool = BRepOffsetAPI_ThruSections(True) -# aTool.AddWire(threadingWire1.Wire()) -# aTool.AddWire(threadingWire2.Wire()) -# aTool.CheckCompatibility(False) -# myThreading = aTool.Shape() -# -# #Building the resulting compound -# -# aRes = TopoDS_Compound() -# aBuilder = BRep.BRep_Builder() -# aBuilder.MakeCompound(aRes) -# aBuilder.Add(aRes, result_shape) -# aBuilder.Add(aRes, myThreading) -# final_shape = BRepAlgoAPI_Cut(result_shape, myThreading).Shape() - + result_shape = BRepAlgoAPI_Cut(prism, innerCyl).Shape() return result_shape |