diff-mat-char

Installation

pip install -e .

Fitting models to disp_smoothed.csv

# Neo-Hookean (1 param)
dmc-fit --model nh --data examples/disp_smoothed.csv --n-samples 40 --nu 0.45

# Mooney-Rivlin (3 params)
dmc-fit --model mr --data examples/disp_smoothed.csv --n-samples 40 --nu 0.45

# Mooney-Rivlin 2-parameter with free bulk (3 optim params: c1, c2, k)
dmc-fit --model mr2 --data examples/disp_smoothed.csv --n-samples 40 --nu 0.45

# Neural Material / ICNN (~400 params, GPU recommended)
dmc-fit --model nn --data examples/disp_smoothed.csv --n-samples 40 --nu 0.45 --optimizer adam --lr 1e-3 --maxiter 200