32 lines
1.0 KiB
Python
32 lines
1.0 KiB
Python
from pina.solvers import PINN
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from pina.trainer import Trainer
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from pina.model import FeedForward
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from pina.callbacks.processing_callbacks import PINAProgressBar
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from pina.problem.zoo import Poisson2DSquareProblem as Poisson
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# make the problem
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poisson_problem = Poisson()
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boundaries = ['nil_g1', 'nil_g2', 'nil_g3', 'nil_g4']
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n = 10
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poisson_problem.discretise_domain(n, 'grid', locations=boundaries)
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model = FeedForward(len(poisson_problem.input_variables),
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len(poisson_problem.output_variables))
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# make the solver
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solver = PINN(problem=poisson_problem, model=model)
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def test_progress_bar_constructor():
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PINAProgressBar(['mean_loss'])
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def test_progress_bar_routine():
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# make the trainer
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trainer = Trainer(solver=solver,
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callbacks=[
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PINAProgressBar(['mean', 'D'])
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],
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accelerator='cpu',
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max_epochs=5)
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trainer.train()
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# TODO there should be a check that the correct metrics are displayed |