The assigned pressure boundary conditions. P_in, the input pressure to the order 6 trunk vessel; $Poutsubendo$⁠, the output pressure at the terminal order 1 vessels in a normalized myocardial depth of 0.875; $Poutsubepi$⁠, the output pressure at the terminal order 1 vessels in a normalized myocardial depth of 0.125. Both $Poutsubendo$ and $Poutsubepi$ were adapted from previous analysis of unregulated coronary flow (Algranati et al., 2010). P_LV, pressure in LV chamber; P_SIP, intramyocyte pressure caused by their shortening.