Merge pull request #1099 from Spectre5/nastran-long-support

Nastran long support
nschloe · May 8, 2021 · d900512 · d900512
2 parents d0cac27 + 5b5f3a7
commit d900512
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diff --git a/src/meshio/nastran/_nastran.py b/src/meshio/nastran/_nastran.py
@@ -356,7 +356,7 @@ def _chunk_line(line):
         chunks = line.split(",")
     else:  # fixed format
         CHUNK_SIZE = 8
-        chunks = [line[i : CHUNK_SIZE + i] for i in range(0, len(line), CHUNK_SIZE)]
+        chunks = [line[i : CHUNK_SIZE + i] for i in range(0, 72, CHUNK_SIZE)]
     # everything after the 9th chunk is ignored
     return chunks[:9]
 

diff --git a/tests/test_nastran.py b/tests/test_nastran.py
@@ -1,3 +1,4 @@
+import io
 import pathlib
 
 import helpers
@@ -46,3 +47,18 @@ def test_reference_file(filename):
         "tetra": 5309,
     }
     assert {k: v.sum() for k, v in mesh.cells} == ref_num_cells
+
+
+def test_long_format():
+    filename = io.StringIO(
+        "BEGIN BULK\n"
+        "GRID*    43                             1.50000000000000 0.0\n"
+        "*        0.\n"
+        "ENDDATA\n"
+    )
+
+    mesh = meshio.read(filename, "nastran")
+
+    # points
+    assert len(mesh.points) == 1
+    assert np.isclose(mesh.points.sum(), 1.5)