Together with Jérôme Diaz, Dominique Chapelle & Philippe Moireau, we just introduced a new —intermediate— level in the MΞDISIM team team’s cardiac model hierarchy (3D & reduced “spherical” model) with a reduced “cylindrical” model: https://dx.doi.org/10.1002/cnm.3711
You can find our preprint on HAL: https://hal.science/hal-03832575