import openmdao.api as om
[docs]
class TotalLift(om.ExplicitComponent):
"""
Calculate total lift in force units by summing the induced CL
with the CL0.
Parameters
----------
CL1 : float
Induced coefficient of lift (CL) for the lifting surface.
Returns
-------
CL : float
Total coefficient of lift (CL) for the lifting surface.
"""
def initialize(self):
self.options.declare("surface", types=dict)
def setup(self):
surface = self.options["surface"]
self.add_input("CL1", val=1.0)
self.add_output("CL", val=1.0, tags=["mphys_result"])
self.CL0 = surface["CL0"]
self.declare_partials("CL", "CL1", val=1.0)
def compute(self, inputs, outputs):
outputs["CL"] = inputs["CL1"] + self.CL0