Bolted Joint Stress Field Model
Project description
bjsfm
Bolted Joint Stress Field Model (BJSFM) is a common analytical method used to analyze bolted joints in composite airframe structures. This project ports the original fortran code to pure python code using the underlying theory.
from bjsfm.lekhnitskii import UnloadedHole
a_inv = [[0.1, 0.05, 0.], [0.05, 0.1, 0.], [0., 0., 0.5]] # inverse a-matrix from CLPT
loads = [100, 100, 50] # force / unit length
plate = UnloadedHole(diameter=0.25, thickness=0.1, a_inv=a_inv, loads=loads)
plate.stress(x=[0.125], y=[0.])
Features
- Lekhnitskii's anisotropic elasticity solutions for loaded (cosine distribution) and unloaded holes
- Combined bearing and bypass 2D infinite plate stress distribution
- Optional DeJong tension (or compression) bearing correction
Installation
pip install bjsfm
Contribute
- Issue Tracker: https://github.com/BenjaminETaylor/bjsfm/issues
- Source Code: https://github.com/BenjaminETaylor/bjsfm
Support
License
This project is licensed under the MIT license.
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