Parser for *.mtx files in Abaqus
A python package to parse *.mtx files generated by the keyword *SUBSTRUCTURE MATRIX OUTPUT in Abaqus.
Install
Use PyPI to install abaqus-mtx-parser:
pip install abaqus-mtx-parserUsage
Run the following script to parse the mtx file inner.mtx.
from importlib.resources import files
from abaqus_mtx_parser import parse_mtx
mtx = files(
"abaqus_mtx_parser.mtx.unsymmetric"
).joinpath("inner.mtx") # Path to "inner.mtx"
result = parse_mtx(mtx)
print(
result.nodes, # node numbers: [2, 3, 4, 5, 6, 7]
result.dof, # node dofs: {2: [1, 2, 3, 4, 5, 6], 3: [1, 2, 3, 4, 5, 6], 4: [1, 2, 3, 4, 5, 6], 5: [1, 2, 3, 4, 5, 6], 6: [1, 2, 3, 4, 5, 6], 7: [1, 2, 3, 4, 5, 6]}
result.stiffness, # stiffness matrix
)
