https://github.com/KVSlab/turtleFSI/blob/e1b5350f5f105487bd77b811796f24e3b6075ea2/turtleFSI/problems/TF_fsi.py#L41 should be `lambda_s=8e6`
turtleFSI/turtleFSI/problems/TF_fsi.py
Line 41 in e1b5350
should be
lambda_s=8e6