Skip to content

convert BreguetRange setup method to __init__ #90

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
whoburg wants to merge 1 commit into
base: master
Choose a base branch
from
Open

convert BreguetRange setup method to __init__ #90

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
7 changes: 4 additions & 3 deletions gpkitmodels/aircraft/breguet_range.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -11,7 +11,7 @@ class BreguetRange(Model):
-----------
Fuel burn varies linearily with thrust and is independent of velocity.
"""
def setup(self):
def __init__(self, **kwargs):

# Fixed Parameters
LD_max = Variable('\\left(\\frac{L}{D}\\right)_{max}', 15, '-',
Expand Down Expand Up @@ -49,12 +49,13 @@ def setup(self):
# Taylor series expansion of exp(z_bre) - 1
W_fuel/W_e >= te_exp_minus1(z_bre, nterm=3)
]
return objective, constraints

Model.__init__(self, objective, constraints, **kwargs)

@classmethod
def test(cls):
sol = cls().solve()
assert sol['sensitivities']['variables']['TSFC'] >= 0
assert sol['sensitivities']['constants']['TSFC'] >= 0

if __name__ == '__main__':
BreguetRange.test()