Update examples/unstrucutred_volume_mesh/simulate_unstrucutred_volume…

…_mesh_with_openmc.py
fusion-energy · Mar 15, 2024 · adc0179 · adc0179
1 parent 23ed6c0
commit adc0179
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/examples/unstrucutred_volume_mesh/simulate_unstrucutred_volume_mesh_with_openmc.py b/examples/unstrucutred_volume_mesh/simulate_unstrucutred_volume_mesh_with_openmc.py
@@ -3,6 +3,16 @@
 
 import openmc
 
+with open("cross_sections.xml", "w") as file:
+        file.write(
+            """
+        <?xml version='1.0' encoding='UTF-8'?>
+        <cross_sections>
+        <library materials="H1" path="tests/ENDFB-7.1-NNDC_H1.h5" type="neutron"/>
+        <library materials="H2" path="ENDFB-7.1-NNDC_H2.h5" type="neutron"/>
+        </cross_sections>
+        """
+        )
 openmc.config["cross_sections"] = "cross_sections.xml"
 
 umesh = openmc.UnstructuredMesh("umesh.h5m", library="moab")