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Diffstat (limited to 'Connections/Shear/Finplate/ISection.py')
| -rw-r--r-- | Connections/Shear/Finplate/ISection.py | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/Connections/Shear/Finplate/ISection.py b/Connections/Shear/Finplate/ISection.py new file mode 100644 index 0000000..47ed464 --- /dev/null +++ b/Connections/Shear/Finplate/ISection.py @@ -0,0 +1,91 @@ +''' +Created on 29-Nov-2014 + +@author: deepa +''' +import numpy +from ModelUtils import * + + +class ISection(object): + ''' + ^ v + | + c2 . c1 + --- +-----------------|-----------------+ --- + ^ | . | ^ + | T | | | | + v | . | | + --- +------------+ | +------------+ | + b2 a2| | a1 b1 | + | t | | + |<------->| | + | | | | + | . | |D + | |O | | + -- -- -- -- -- -- -- -- --.-- -- -- -- -- -- -- -- |-- -- -> u + | | | | + | . | | + | | | | + | . | | + b3 a3| | |a4 b4 | + +-----------+ . +------------+ | + | | | | + | . | | + | | | v + +----------------.-----------------+ --- + c3 B c4 + |<-------------------------------->| + + ''' + def __init__(self, B, T, D, t, R1, R2, alpha, length): + self.B = B + self.T = T + self.D = D + self.t = t + self.R1 = R1 + self.R2 = R2 + self.alpha = alpha + self.length = length + self.secOrigin = numpy.array([0, 0, 0]) + self.uDir = numpy.array([1.0, 0, 0]) + self.wDir = numpy.array([0.0, 0, 1.0]) + self.computeParams() + + def place(self, secOrigin, uDir, wDir): + self.secOrigin = secOrigin + self.uDir = uDir + self.wDir = wDir + self.computeParams() + + def computeParams(self): + self.vDir = numpy.cross(self.wDir, self.uDir) + self.a1 = self.secOrigin + (self.t/2.0) * self.uDir + ((self.D/2.0) - self.T) * self.vDir + self.b1 = self.secOrigin + (self.B/2.0) * self.uDir + ((self.D/2.0) - self.T) * self.vDir + self.c1 = self.secOrigin + (self.B/2.0) * self.uDir + (self.D/2.0) * self.vDir + self.a2 = self.secOrigin + (-self.t/2.0) * self.uDir + ((self.D/2.0) - self.T) * self.vDir + self.b2 = self.secOrigin + (-self.B/2.0) * self.uDir + ((self.D/2.0) - self.T) * self.vDir + self.c2 = self.secOrigin + (-self.B/2.0) * self.uDir + (self.D/2.0) * self.vDir + self.a3 = self.secOrigin + (-self.t/2.0) * self.uDir + -((self.D/2.0) - self.T) * self.vDir + self.b3 = self.secOrigin + (-self.B/2.0) * self.uDir + -((self.D/2.0) - self.T) * self.vDir + self.c3 = self.secOrigin + (-self.B/2.0) * self.uDir + -(self.D/2.0) * self.vDir + self.a4 = self.secOrigin + (self.t/2.0) * self.uDir + -((self.D/2.0) - self.T) * self.vDir + self.b4 = self.secOrigin + (self.B/2.0) * self.uDir + -((self.D/2.0) - self.T) * self.vDir + self.c4 = self.secOrigin + (self.B/2.0) * self.uDir + -(self.D/2.0) * self.vDir + self.points = [self.a1, self.b1, self.c1, + self.c2, self.b2, self.a2, + self.a3, self.b3, self.c3, + self.c4, self.b4, self.a4] + #self.points = [[0, 0, 0], [1, 0, 0], [1, 1, 0], [0, 1, 0]] + + def createModel(self): + edges = makeEdgesFromPoints(self.points) + wire = makeWireFromEdges(edges) + aFace = makeFaceFromWire(wire) + extrudeDir = self.length * self.wDir # extrudeDir is a numpy array + prism = makePrismFromFace(aFace, extrudeDir) + + return prism + + +
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