FEAT: Add mesh reuse function (#4842)

_unittest/test_98_Icepak.py

@@ -347,8 +347,11 @@ def test_12a_AssignMeshOperation(self):
         mesh_level_Filter = "2"
         component_name = ["RadioBoard1_1"]
         mesh_level_RadioPCB = "1"
-        test = self.aedtapp.mesh.assign_mesh_level_to_group(mesh_level_Filter, group_name)
+        assert self.aedtapp.mesh.assign_mesh_level_to_group(mesh_level_Filter, group_name)
+        test = self.aedtapp.mesh.assign_mesh_level_to_group(mesh_level_Filter, group_name, name="Test")
         assert test
+        test2 = self.aedtapp.mesh.assign_mesh_level_to_group(mesh_level_Filter, group_name, name="Test")
+        assert test.name != test2.name
         # assert self.aedtapp.mesh.assignMeshLevel2Component(mesh_level_RadioPCB, component_name)
         test = self.aedtapp.mesh.assign_mesh_region(component_name, mesh_level_RadioPCB, is_submodel=True)
         assert test
@@ -1741,3 +1744,25 @@ def test_78_restart_solution(self):
             "test_78-1", "{} : SteadyState".format(s1.name), project="FakeFolder123"
         )
         assert not s2.start_continue_from_previous_setup("test_78-12", "{} : SteadyState".format(s1.name))
+
+    def test_79_mesh_reuse(self):
+        self.aedtapp.insert_design("test_79")
+        self.aedtapp.set_active_design("test_79")
+        cylinder = self.aedtapp.modeler.create_cylinder(1, [0, 0, 0], 5, 30)
+        assert not self.aedtapp.mesh.assign_mesh_reuse(
+            cylinder.name,
+            os.path.join(local_path, "../_unittest/example_models", test_subfolder, "nonexistent_cylinder_mesh.msh"),
+        )
+        assert self.aedtapp.mesh.assign_mesh_reuse(
+            cylinder.name, os.path.join(local_path, "../_unittest/example_models", test_subfolder, "cylinder_mesh.msh")
+        )
+        assert self.aedtapp.mesh.assign_mesh_reuse(
+            cylinder.name,
+            os.path.join(local_path, "../_unittest/example_models", test_subfolder, "cylinder_mesh.msh"),
+            "name_reuse",
+        )
+        assert self.aedtapp.mesh.assign_mesh_reuse(
+            cylinder.name,
+            os.path.join(local_path, "../_unittest/example_models", test_subfolder, "cylinder_mesh.msh"),
+            "name_reuse",
+        )

pyaedt/modules/MeshIcepak.py

@@ -21,9 +21,9 @@
 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
-
 from abc import abstractmethod
 from collections import OrderedDict
+import os.path
 import warnings
 
 from pyaedt.generic.DataHandlers import _dict2arg
@@ -1638,6 +1638,7 @@ def assign_mesh_level_to_group(
             for el in self.meshoperations:
                 if el.name == name:
                     name = generate_unique_name(name)
+                    break
         else:
             name = generate_unique_name("MeshLevel")
         props = OrderedDict(
@@ -1653,3 +1654,45 @@ def assign_mesh_level_to_group(
         mop.create()
         self.meshoperations.append(mop)
         return mop
+
+    def assign_mesh_reuse(self, assignment, mesh_file, name=None):
+        """Assign a mesh file to objects.
+
+        Parameters
+        ----------
+        assignment : str or list
+            Names of objects to which the mesh file is assignment.
+        mesh_file : str
+            Path to the mesh file.
+        name : str, optional
+            Name of the mesh operation. The default is ``None``, in which case it will be
+            generated automatically.
+
+        Returns
+        -------
+        :class:`pyaedt.modules.Mesh.MeshOperation`
+
+        References
+        ----------
+
+        >>> oModule.AssignMeshOperation
+        """
+        if not os.path.exists(mesh_file):
+            self._app.logger.error("Mesh file does not exist.")
+            return False
+        if name:
+            for el in self.meshoperations:
+                if el.name == name:
+                    name = generate_unique_name(name)
+                    break
+        else:
+            name = generate_unique_name("MeshReuse")
+        if not isinstance(assignment, list):
+            assignment = [assignment]
+        props = OrderedDict(
+            {"Enable": True, "Mesh Reuse Enabled": True, "Mesh Reuse File": mesh_file, "Objects": assignment}
+        )
+        mop = MeshOperation(self, name, props, "Icepak")
+        mop.create()
+        self.meshoperations.append(mop)
+        return mop