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July 6, 2021 19:16
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import numpy as np | |
import openmdao.api as om | |
from openmdao.components.interp_util.interp_semi import InterpNDSemi | |
grid = np.array([ | |
[1.0, 5.0, 8.0], | |
[1.0, 5.0, 9.0], | |
[1.0, 5.0, 10.0], | |
[1.0, 5.0, 20.0], | |
[1.0, 5.3, 8.0], | |
[1.0, 5.3, 9.0], | |
[1.0, 5.3, 10.0], | |
[1.0, 5.3, 20.0], | |
[1.0, 5.6, 8.0], | |
[1.0, 5.6, 9.0], | |
[1.0, 5.6, 10.0], | |
[1.0, 5.6, 20.0], | |
[1.0, 6.0, 8.0], | |
[1.0, 6.0, 9.0], | |
[1.0, 6.0, 10.0], | |
[1.0, 6.0, 20.0], | |
[2.0, 7.0, 13.0], | |
[2.0, 7.0, 14.0], | |
[2.0, 7.0, 15.0], | |
[2.0, 7.0, 16.0], | |
[2.0, 8.0, 13.0], | |
[2.0, 8.0, 14.0], | |
[2.0, 8.0, 15.0], | |
[2.0, 8.0, 16.0], | |
[2.0, 8.5, 13.0], | |
[2.0, 8.5, 14.0], | |
[2.0, 8.5, 15.0], | |
[2.0, 8.5, 16.0], | |
[2.0, 9.0, 13.0], | |
[2.0, 9.0, 14.0], | |
[2.0, 9.0, 15.0], | |
[2.0, 9.0, 16.0], | |
]) | |
values = 15.0 + 2 * np.random.random(32) | |
prob = om.Problem() | |
model = prob.model | |
interp = om.MetaModelSemiStructuredComp(vec_size=3, training_data_gradients=True) | |
interp.add_input('x') | |
interp.add_input('y') | |
interp.add_input('z') | |
interp.add_output('f', grid_points=grid, training_data=values) | |
model.add_subsystem('interp', interp) | |
prob.setup(force_alloc_complex=True) | |
prob.set_val('interp.x', np.array([1.1, 1.5, 1.9])) | |
prob.set_val('interp.y', np.array([5.1, 6.5, 8.75])) | |
prob.set_val('interp.z', np.array([18.5, 11.0, 15.1])) | |
prob.run_model() | |
print(prob.get_val('interp.f')) | |
print('done') |
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