Update Condition notation & domains import in tutorials

tutorials/tutorial9/tutorial.ipynb

@@ -43,7 +43,7 @@
     "from pina.model.layers import PeriodicBoundaryEmbedding  # The PBC module\n",
     "from pina.solvers import PINN\n",
     "from pina.trainer import Trainer\n",
-    "from pina.geometry import CartesianDomain\n",
+    "from pina.domain import CartesianDomain\n",
     "from pina.equation import Equation"
    ]
   },
@@ -77,7 +77,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -94,7 +94,7 @@
     "\n",
     "    # here we write the problem conditions\n",
     "    conditions = {\n",
-    "        'D': Condition(location=spatial_domain,\n",
+    "        'phys_cond': Condition(domain=spatial_domain,\n",
     "                       equation=Equation(Helmholtz_equation)),\n",
     "    }\n",
     "\n",
@@ -106,7 +106,7 @@
     "problem = Helmholtz()\n",
     "\n",
     "# let's discretise the domain\n",
-    "problem.discretise_domain(200, 'grid', locations=['D'])"
+    "problem.discretise_domain(200, 'grid', domains=['phys_cond'])"
    ]
   },
   {
@@ -293,7 +293,7 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "pina",
+   "display_name": "Python 3",
    "language": "python",
    "name": "python3"
   },
@@ -307,7 +307,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.16"
+   "version": "3.12.3"
   }
  },
  "nbformat": 4,

tutorials/tutorial9/tutorial.py

@@ -63,7 +63,7 @@ from pina.equation import Equation
 # and $f(x)=-6\pi^2\sin(3\pi x)\cos(\pi x)$ which give a solution that can be
 # computed analytically $u(x) = \sin(\pi x)\cos(3\pi x)$.
 
-# In[2]:
+# In[ ]:
 
 
 class Helmholtz(SpatialProblem):
@@ -79,7 +79,7 @@ class Helmholtz(SpatialProblem):
 
     # here we write the problem conditions
     conditions = {
-        'D': Condition(location=spatial_domain,
+        'phys_cond': Condition(domain=spatial_domain,
                        equation=Equation(Helmholtz_equation)),
     }
 
@@ -91,7 +91,7 @@ class Helmholtz(SpatialProblem):
 problem = Helmholtz()
 
 # let's discretise the domain
-problem.discretise_domain(200, 'grid', locations=['D'])
+problem.discretise_domain(200, 'grid', domains=['phys_cond'])
 
 
 # As usual, the Helmholtz problem is written in **PINA** code as a class.