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Fix the depower chain scripts on develop - #25

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ocayon merged 2 commits into
awegroup:developfrom
abdullahtcantav:fix/studies-depower-chain
Oct 9, 2026
Merged

ocayon merged 2 commits into
awegroup:developfrom
abdullahtcantav:fix/studies-depower-chain

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Two small fixes so that run_chain_depower_BILLOW.py → plot_billow_depower_chains.py runs end to end:

Tether: the chain script built a RigidLumpedTether by hand, while as_config.yaml sets tether.model: williams; the Williams trim refuses any other tether, so every chain failed. It now uses build_tether(config, system_config), as the Billow driver does.
Plot: chains.csv now has a boolean converged column, which read_chains tried to parse as a float. It is now read as a bool.

Tested: run_chain_depower_BILLOW.py --wind 5 --reach 0.1 --step 0.05 (6 converged points), then the plot script.

Not fixed here: run_sweep_depower_BILLOW.py (line 132) and plot_chordwise_moment_matching.py (line 118) also build a RigidLumpedTether by hand. The sweep script likely hits the same error; I'll check both in a follow-up.

@ocayon
ocayon merged commit aff3da1 into awegroup:develop Oct 9, 2026
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