GNU Octave scripts for the arc-length method. This implementation is based on a novel a extrapolated predictor.
Paper related: https://doi.org/10.1016/j.engstruct.2020.111755
The main script is main_arclength.m. The input files are prepared and tested. Uncomment the corresponding line in the main file to run the script for a particular problem.
Some load-displacement curves computed with this code.
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Lee frame
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215-degree circular arch
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Semi-circular arch with asymmetric loading
