This is the steady state HMT model encoded in CellML. See Nash 1998 for the original formulation, as well as the
original HMT 1998 paper.
A screenshot illustrating the results when the associated SED-ML document is loaded into OpenCOR and the simulation executed.
This can be reproduced directly from the repository by choosing the Launch with OpenCOR link from the Views Available and
having a recent (the 29 November snapshot release, or newer) version of OpenCOR installed.