37 lines
1.0 KiB
Python
37 lines
1.0 KiB
Python
from pina.solver 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.callback.processing_callback 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 = ["g1", "g2", "g3", "g4"]
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n = 10
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condition_names = list(poisson_problem.conditions.keys())
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poisson_problem.discretise_domain(n, "grid", domains=boundaries)
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poisson_problem.discretise_domain(n, "grid", domains="D")
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model = FeedForward(
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len(poisson_problem.input_variables), len(poisson_problem.output_variables)
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)
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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()
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def test_progress_bar_routine():
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# make the trainer
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trainer = Trainer(
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solver=solver,
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callbacks=[PINAProgressBar(["val", condition_names[0]])],
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accelerator="cpu",
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max_epochs=5,
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)
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trainer.train()
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# TODO there should be a check that the correct metrics are displayed
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