folivo/PINA
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Update Condition notation & domains import in tutorials

Browse Source
This commit is contained in:
MatteoB30
2025-02-07 15:08:42 +01:00
committed by Nicola Demo
parent 195224794f
commit c6f1aafdec
18 changed files with 224 additions and 256 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
tutorials/tutorial3/tutorial.ipynb vendored
View File

@@ -34,7 +34,7 @@
"\n",
"from pina.problem import SpatialProblem, TimeDependentProblem\n",
"from pina.operators import laplacian, grad\n",
"from pina.geometry import CartesianDomain\n",
"from pina.domain import CartesianDomain\n",
"from pina.solvers import PINN\n",
"from pina.trainer import Trainer\n",
"from pina.equation import Equation\n",
@@ -100,12 +100,12 @@
" return output_.extract(['u']) - u_expected\n",
"\n",
" conditions = {\n",
" 'gamma1': Condition(location=CartesianDomain({'x': [0, 1], 'y': 1, 't': [0, 1]}), equation=FixedValue(0.)),\n",
" 'gamma2': Condition(location=CartesianDomain({'x': [0, 1], 'y': 0, 't': [0, 1]}), equation=FixedValue(0.)),\n",
" 'gamma3': Condition(location=CartesianDomain({'x': 1, 'y': [0, 1], 't': [0, 1]}), equation=FixedValue(0.)),\n",
" 'gamma4': Condition(location=CartesianDomain({'x': 0, 'y': [0, 1], 't': [0, 1]}), equation=FixedValue(0.)),\n",
" 't0': Condition(location=CartesianDomain({'x': [0, 1], 'y': [0, 1], 't': 0}), equation=Equation(initial_condition)),\n",
" 'D': Condition(location=CartesianDomain({'x': [0, 1], 'y': [0, 1], 't': [0, 1]}), equation=Equation(wave_equation)),\n",
" 'bound_cond1': Condition(domain=CartesianDomain({'x': [0, 1], 'y': 1, 't': [0, 1]}), equation=FixedValue(0.)),\n",
" 'bound_cond2': Condition(domain=CartesianDomain({'x': [0, 1], 'y': 0, 't': [0, 1]}), equation=FixedValue(0.)),\n",
" 'bound_cond3': Condition(domain=CartesianDomain({'x': 1, 'y': [0, 1], 't': [0, 1]}), equation=FixedValue(0.)),\n",
" 'bound_cond4': Condition(domain=CartesianDomain({'x': 0, 'y': [0, 1], 't': [0, 1]}), equation=FixedValue(0.)),\n",
" 'time_cond': Condition(domain=CartesianDomain({'x': [0, 1], 'y': [0, 1], 't': 0}), equation=Equation(initial_condition)),\n",
" 'phys_cond': Condition(domain=CartesianDomain({'x': [0, 1], 'y': [0, 1], 't': [0, 1]}), equation=Equation(wave_equation)),\n",
" }\n",
"\n",
" def wave_sol(self, pts):\n",
@@ -219,7 +219,7 @@
],
"source": [
"# generate the data\n",
"problem.discretise_domain(1000, 'random', locations=['D', 't0', 'gamma1', 'gamma2', 'gamma3', 'gamma4'])\n",
"problem.discretise_domain(1000, 'random', domains=['phys_cond', 'time_cond', 'bound_cond1', 'bound_cond2', 'bound_cond3', 'bound_cond4'])\n",
"\n",
"# crete the solver\n",
"pinn = PINN(problem, HardMLP(len(problem.input_variables), len(problem.output_variables)))\n",
@@ -405,7 +405,7 @@
],
"source": [
"# generate the data\n",
"problem.discretise_domain(1000, 'random', locations=['D', 't0', 'gamma1', 'gamma2', 'gamma3', 'gamma4'])\n",
"problem.discretise_domain(1000, 'random', domains=['phys_cond', 'time_cond', 'bound_cond1', 'bound_cond2', 'bound_cond3', 'bound_cond4'])\n",
"\n",
"# crete the solver\n",
"pinn = PINN(problem, HardMLPtime(len(problem.input_variables), len(problem.output_variables)))\n",
@@ -525,11 +525,8 @@
}
],
"metadata": {
"interpreter": {
"hash": "56be7540488f3dc66429ddf54a0fa9de50124d45fcfccfaf04c4c3886d735a3a"
},
"kernelspec": {
"display_name": "Python 3 (ipykernel)",
"display_name": "Python 3",
"language": "python",
"name": "python3"
},
@@ -543,7 +540,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.9.16"
"version": "3.12.3"
}
},
"nbformat": 4,