diff options
Diffstat (limited to 'evaluator/dP.py')
-rw-r--r-- | evaluator/dP.py | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/evaluator/dP.py b/evaluator/dP.py new file mode 100644 index 0000000..b6aaa3b --- /dev/null +++ b/evaluator/dP.py @@ -0,0 +1,18 @@ +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 |