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-parser

Usage

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
)