Merge pull request #146 from ritchie46/addRestraintToNodeWithOnePinne…

…dElement Add restraint to a node that has exactly one pinned connection
ritchie46 · Aug 28, 2023 · 6b785e2 · 6b785e2
2 parents d8a5d47 + ba6c6b7
commit 6b785e2
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Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/.vscode/settings.json b/.vscode/settings.json
@@ -14,11 +14,13 @@
         "linalg",
         "linspace",
         "loadcase",
+        "matplotlib",
         "Mmax",
         "Mmin",
         "ndarray",
         "Nmax",
         "Nmin",
+        "numpy",
         "perp",
         "postprocess",
         "pspec",

diff --git a/anastruct/fem/system_components/util.py b/anastruct/fem/system_components/util.py
@@ -30,9 +30,11 @@ def check_internal_hinges(system: "SystemElements", node_id: int) -> None:
         else:
             hinges.append(0)
 
-    # If at least two elements are connected
-    # and no more than one is rigidly connected
-    if len(hinges) > 1 and len(hinges) - sum(hinges) <= 1:
+    # If at least one element is connected
+    # and no more than one element is rigidly connected
+    if (len(hinges) > 1 and len(hinges) - sum(hinges) <= 1) or (
+        len(hinges) == 1 and sum(hinges) == 1
+    ):
         system.internal_hinges.append(node)
 
     if node in system.internal_hinges: