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def get_dx(self, component):
return [x - self.centroid[0] for x in component.x_start]
def get_dz(self, component):
return [x - self.centroid[1] for x in component.x_start]
def get_dP(self, xDist, zDist, V_x, V_z, area):
I_x = self.I_['x']
I_z = self.I_['z']
I_xz = self.I_['xz']
denom = float(I_x * I_z - I_xz**2)
z = float()
for _ in range(len(xDist)):
z += float(-area * xDist[_] * (I_x * V_x - I_xz * V_z) / denom -
area * zDist[_] * (I_z * V_z - I_xz * V_x) / denom)
return z
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