Skip to content
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

Jump to bottom

Slight changes to scaling in the water rocket example. #969

Merged
merged 1 commit into from
Aug 24, 2023
Merged

Slight changes to scaling in the water rocket example. #969

Show file tree
Hide file tree
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
10 changes: 5 additions & 5 deletions dymos/examples/water_rocket/phases.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -53,14 +53,14 @@ def new_ballistic_ascent_phase(transcription):
duration_ref=1, units='s')

ballistic_ascent.add_state('r', units='m', rate_source='eom.r_dot', fix_initial=False,
fix_final=False, ref=100.0, defect_ref=100.0)
fix_final=False, ref=1.0, defect_ref=1.0)
ballistic_ascent.add_state('h', units='m', rate_source='eom.h_dot', targets=['atmos.h'],
fix_initial=False, fix_final=False, ref=100.0, defect_ref=100.0)
fix_initial=False, fix_final=False, ref=1.0)
ballistic_ascent.add_state('gam', units='deg', rate_source='eom.gam_dot', targets=['eom.gam'],
fix_initial=False, fix_final=True, upper=89, ref=90, defect_ref=90)
fix_initial=False, fix_final=True, upper=89, ref=90)
ballistic_ascent.add_state('v', units='m/s', rate_source='eom.v_dot',
targets=['dynamic_pressure.v', 'eom.v'], fix_initial=False,
fix_final=False, ref=100, defect_ref=100)
fix_final=False, ref=1.)

ballistic_ascent.add_parameter('S', targets=['aero.S'], units='m**2')
ballistic_ascent.add_parameter('m_empty', targets=['eom.m'], units='kg')
Expand All @@ -85,7 +85,7 @@ def new_descent_phase(transcription):
descent.add_state('v', units='m/s', rate_source='eom.v_dot',
targets=['dynamic_pressure.v', 'eom.v'],
fix_initial=False, fix_final=False,
ref=100, defect_ref=100)
ref=1)

descent.add_parameter('S', targets=['aero.S'], units='m**2')
descent.add_parameter('mass', targets=['eom.m'], units='kg')
Expand Down
4 changes: 2 additions & 2 deletions dymos/examples/water_rocket/test/test_water_rocket.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,7 @@ def test_water_rocket_height_for_docs(self):

p.driver = om.pyOptSparseDriver(optimizer='IPOPT', print_results=False)
p.driver.opt_settings['print_level'] = 0
p.driver.opt_settings['max_iter'] = 1000
p.driver.opt_settings['max_iter'] = 500
p.driver.opt_settings['mu_strategy'] = 'monotone'
p.driver.declare_coloring(tol=1.0E-12)

Expand Down Expand Up @@ -65,7 +65,7 @@ def test_water_rocket_range_for_docs(self):

p.driver = om.pyOptSparseDriver(optimizer='IPOPT')
p.driver.opt_settings['print_level'] = 0
p.driver.opt_settings['max_iter'] = 1000
p.driver.opt_settings['max_iter'] = 300
p.driver.opt_settings['mu_strategy'] = 'monotone'
p.driver.declare_coloring(tol=1.0E-12)

Expand Down