.. DO NOT EDIT. .. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY. .. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE: .. "examples/scenario/plot_gantt_chart.py" .. LINE NUMBERS ARE GIVEN BELOW. .. only:: html .. note:: :class: sphx-glr-download-link-note :ref:`Go to the end ` to download the full example code. .. rst-class:: sphx-glr-example-title .. _sphx_glr_examples_scenario_plot_gantt_chart.py: Gantt Chart =========== In this example, we illustrate the use of the Gantt chart plot on the Sobieski's SSBJ problem. .. GENERATED FROM PYTHON SOURCE LINES 30-34 Import ------ The first step is to import some high-level functions and a method to get the design space. .. GENERATED FROM PYTHON SOURCE LINES 34-46 .. code-block:: Python from __future__ import annotations from gemseo import configure_logger from gemseo import create_discipline from gemseo import create_scenario from gemseo.core.execution_statistics import ExecutionStatistics from gemseo.post.core.gantt_chart import create_gantt_chart from gemseo.problems.mdo.sobieski.core.design_space import SobieskiDesignSpace configure_logger() .. rst-class:: sphx-glr-script-out .. code-block:: none .. GENERATED FROM PYTHON SOURCE LINES 47-51 Create disciplines ------------------ Then, we instantiate the disciplines of the Sobieski's SSBJ problem: Propulsion, Aerodynamics, Structure and Mission .. GENERATED FROM PYTHON SOURCE LINES 51-58 .. code-block:: Python disciplines = create_discipline([ "SobieskiPropulsion", "SobieskiAerodynamics", "SobieskiStructure", "SobieskiMission", ]) .. GENERATED FROM PYTHON SOURCE LINES 59-62 Create design space ------------------- We also create the :class:`.SobieskiDesignSpace`. .. GENERATED FROM PYTHON SOURCE LINES 62-64 .. code-block:: Python design_space = SobieskiDesignSpace() .. GENERATED FROM PYTHON SOURCE LINES 65-72 Create and execute scenario --------------------------- The next step is to build an MDO scenario in order to maximize the range, encoded 'y_4', with respect to the design parameters, while satisfying the inequality constraints 'g_1', 'g_2' and 'g_3'. We can use the MDF formulation, the SLSQP optimization algorithm and a maximum number of iterations equal to 100. .. GENERATED FROM PYTHON SOURCE LINES 72-80 .. code-block:: Python scenario = create_scenario( disciplines, "y_4", design_space, formulation_name="MDF", maximize_objective=True, ) .. rst-class:: sphx-glr-script-out .. code-block:: none WARNING - 08:35:55: Unsupported feature 'minItems' in JSONGrammar 'SobieskiMission_discipline_output' for property 'y_4' in conversion to SimpleGrammar. WARNING - 08:35:55: Unsupported feature 'maxItems' in JSONGrammar 'SobieskiMission_discipline_output' for property 'y_4' in conversion to SimpleGrammar. .. GENERATED FROM PYTHON SOURCE LINES 81-83 Note that the formulation settings passed to :func:`.create_scenario` can be provided via a Pydantic model. For more information, see :ref:`formulation_settings`. .. GENERATED FROM PYTHON SOURCE LINES 83-87 .. code-block:: Python for constraint in ["g_1", "g_2", "g_3"]: scenario.add_constraint(constraint, constraint_type="ineq") .. GENERATED FROM PYTHON SOURCE LINES 88-92 Enable time stamps ------------------ Recording all time stamps is done by default; we have to enable it: .. GENERATED FROM PYTHON SOURCE LINES 92-96 .. code-block:: Python ExecutionStatistics.is_time_stamps_enabled = True scenario.execute(algo_name="SLSQP", max_iter=10) .. rst-class:: sphx-glr-script-out .. code-block:: none INFO - 08:35:55: INFO - 08:35:55: *** Start MDOScenario execution *** INFO - 08:35:55: MDOScenario INFO - 08:35:55: Disciplines: SobieskiAerodynamics SobieskiMission SobieskiPropulsion SobieskiStructure INFO - 08:35:55: MDO formulation: MDF INFO - 08:35:55: Optimization problem: INFO - 08:35:55: minimize -y_4(x_shared, x_1, x_2, x_3) INFO - 08:35:55: with respect to x_1, x_2, x_3, x_shared INFO - 08:35:55: subject to constraints: INFO - 08:35:55: g_1(x_shared, x_1, x_2, x_3) <= 0 INFO - 08:35:55: g_2(x_shared, x_1, x_2, x_3) <= 0 INFO - 08:35:55: g_3(x_shared, x_1, x_2, x_3) <= 0 INFO - 08:35:55: over the design space: INFO - 08:35:55: +-------------+-------------+-------+-------------+-------+ INFO - 08:35:55: | Name | Lower bound | Value | Upper bound | Type | INFO - 08:35:55: +-------------+-------------+-------+-------------+-------+ INFO - 08:35:55: | x_shared[0] | 0.01 | 0.05 | 0.09 | float | INFO - 08:35:55: | x_shared[1] | 30000 | 45000 | 60000 | float | INFO - 08:35:55: | x_shared[2] | 1.4 | 1.6 | 1.8 | float | INFO - 08:35:55: | x_shared[3] | 2.5 | 5.5 | 8.5 | float | INFO - 08:35:55: | x_shared[4] | 40 | 55 | 70 | float | INFO - 08:35:55: | x_shared[5] | 500 | 1000 | 1500 | float | INFO - 08:35:55: | x_1[0] | 0.1 | 0.25 | 0.4 | float | INFO - 08:35:55: | x_1[1] | 0.75 | 1 | 1.25 | float | INFO - 08:35:55: | x_2 | 0.75 | 1 | 1.25 | float | INFO - 08:35:55: | x_3 | 0.1 | 0.5 | 1 | float | INFO - 08:35:55: +-------------+-------------+-------+-------------+-------+ INFO - 08:35:55: Solving optimization problem with algorithm SLSQP: INFO - 08:35:55: 10%|█ | 1/10 [00:00<00:01, 6.69 it/sec, obj=-536] INFO - 08:35:56: 20%|██ | 2/10 [00:00<00:01, 5.24 it/sec, obj=-2.12e+3] WARNING - 08:35:56: MDAJacobi has reached its maximum number of iterations but the normed residual 5.741449586530469e-06 is still above the tolerance 1e-06. INFO - 08:35:56: 30%|███ | 3/10 [00:00<00:01, 4.15 it/sec, obj=-3.46e+3] INFO - 08:35:56: 40%|████ | 4/10 [00:01<00:01, 3.94 it/sec, obj=-3.96e+3] INFO - 08:35:56: 50%|█████ | 5/10 [00:01<00:01, 4.06 it/sec, obj=-4.61e+3] INFO - 08:35:57: 60%|██████ | 6/10 [00:01<00:00, 4.23 it/sec, obj=-4.5e+3] INFO - 08:35:57: 70%|███████ | 7/10 [00:01<00:00, 4.29 it/sec, obj=-4.26e+3] INFO - 08:35:57: 80%|████████ | 8/10 [00:01<00:00, 4.34 it/sec, obj=-4.11e+3] INFO - 08:35:57: 90%|█████████ | 9/10 [00:02<00:00, 4.37 it/sec, obj=-4.02e+3] INFO - 08:35:58: 100%|██████████| 10/10 [00:02<00:00, 4.40 it/sec, obj=-3.99e+3] INFO - 08:35:58: Optimization result: INFO - 08:35:58: Optimizer info: INFO - 08:35:58: Status: None INFO - 08:35:58: Message: Maximum number of iterations reached. GEMSEO stopped the driver. INFO - 08:35:58: Number of calls to the objective function by the optimizer: 12 INFO - 08:35:58: Solution: INFO - 08:35:58: The solution is feasible. INFO - 08:35:58: Objective: -3463.120411437138 INFO - 08:35:58: Standardized constraints: INFO - 08:35:58: g_1 = [-0.01112145 -0.02847064 -0.04049911 -0.04878943 -0.05476349 -0.14014207 INFO - 08:35:58: -0.09985793] INFO - 08:35:58: g_2 = -0.0020925663903177405 INFO - 08:35:58: g_3 = [-0.71359843 -0.28640157 -0.05926796 -0.183255 ] INFO - 08:35:58: Design space: INFO - 08:35:58: +-------------+-------------+---------------------+-------------+-------+ INFO - 08:35:58: | Name | Lower bound | Value | Upper bound | Type | INFO - 08:35:58: +-------------+-------------+---------------------+-------------+-------+ INFO - 08:35:58: | x_shared[0] | 0.01 | 0.05947685840242058 | 0.09 | float | INFO - 08:35:58: | x_shared[1] | 30000 | 59246.692998739 | 60000 | float | INFO - 08:35:58: | x_shared[2] | 1.4 | 1.4 | 1.8 | float | INFO - 08:35:58: | x_shared[3] | 2.5 | 2.64097355362077 | 8.5 | float | INFO - 08:35:58: | x_shared[4] | 40 | 69.32144380869019 | 70 | float | INFO - 08:35:58: | x_shared[5] | 500 | 1478.031626737187 | 1500 | float | INFO - 08:35:58: | x_1[0] | 0.1 | 0.4 | 0.4 | float | INFO - 08:35:58: | x_1[1] | 0.75 | 0.7608797907508461 | 1.25 | float | INFO - 08:35:58: | x_2 | 0.75 | 0.7607584987262048 | 1.25 | float | INFO - 08:35:58: | x_3 | 0.1 | 0.1514057659459843 | 1 | float | INFO - 08:35:58: +-------------+-------------+---------------------+-------------+-------+ INFO - 08:35:58: *** End MDOScenario execution (time: 0:00:02.287542) *** .. GENERATED FROM PYTHON SOURCE LINES 97-99 Note that the algorithm settings passed to :meth:`.DriverLibrary.execute` can be provided via a Pydantic model. For more information, see :ref:`algorithm_settings`. .. GENERATED FROM PYTHON SOURCE LINES 101-104 Post-process scenario --------------------- Lastly, we plot the Gantt chart. .. GENERATED FROM PYTHON SOURCE LINES 104-108 .. code-block:: Python create_gantt_chart(save=False, show=True) # Finally, we disable the recording of time stamps for other executions: ExecutionStatistics.is_time_stamps_enabled = False .. image-sg:: /examples/scenario/images/sphx_glr_plot_gantt_chart_001.png :alt: plot gantt chart :srcset: /examples/scenario/images/sphx_glr_plot_gantt_chart_001.png :class: sphx-glr-single-img .. rst-class:: sphx-glr-timing **Total running time of the script:** (0 minutes 2.568 seconds) .. _sphx_glr_download_examples_scenario_plot_gantt_chart.py: .. only:: html .. container:: sphx-glr-footer sphx-glr-footer-example .. container:: sphx-glr-download sphx-glr-download-jupyter :download:`Download Jupyter notebook: plot_gantt_chart.ipynb ` .. container:: sphx-glr-download sphx-glr-download-python :download:`Download Python source code: plot_gantt_chart.py ` .. container:: sphx-glr-download sphx-glr-download-zip :download:`Download zipped: plot_gantt_chart.zip ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_