def genLstLoadDef(self):
'''generates a list with the definition of all the wheel loads
'''
deltaL=2*self.slopeDistr*self.hDistr
ldWheels=list()
cont=0
for w in self.loadModel.wheelLoads:
nm=self.name+str(cont)
lVect=xc.Vector([0,0,-w.load,0,0,0])
xCwheel=self.xCentr+w.position.x
yCwheel=self.yCentr+w.position.y
basePrism=gu.rect2DPolygon(xCent=xCwheel,yCent=yCwheel,Lx=w.lx+deltaL,Ly=w.ly+deltaL)
ldWheels.append(loads.PointLoadOverShellElems(nm,self.xcSet,lVect,basePrism,'Z','Global'))
cont+=1
return ldWheels
# - for Y-axis-prism: (x,z)
# - for Z-axis-prism: (x,y)
# prismAxis: axis of the prism (can be equal to 'X', 'Y', 'Z')
# (defaults to 'Z')
# refSystem: reference system in which loadVector is defined:
# 'Local': element local coordinate system
# 'Global': global coordinate system (defaults to 'Global')
prBase = gut.rect2DPolygon(xCent=LbeamX / 2.,
yCent=LbeamY / 2.,
Lx=0.5,
Ly=1.0)
wheelDeck1 = loads.PointLoadOverShellElems(name='wheelDeck1',
xcSet=decklv1,
loadVector=xc.Vector(
[0, 0, -Qwheel]),
prismBase=prBase,
prismAxis='Z',
refSystem='Global')
# Point loads defined in the object lModel, distributed over the shell
# elements under the wheels affected by them.
# syntax: VehicleDistrLoad(name,xcSet,loadModel, xCentr,yCentr,hDistr,slopeDistr)
# name: name identifying the load
# xcSet: set that contains the shell elements
# lModel: instance of the class LoadModel with the definition of
# vehicle of the load model.
# xCent: global coord. X where to place the centroid of the vehicle
# yCent: global coord. Y where to place the centroid of the vehicle
# hDistr: height considered to distribute each point load with