Model G is based on the Brusselator adding an extra G component. To understand Model G better we need to look at the Brusselator and how it was derived. See these papers below. N.B. sorry I can’t upload them to this site at the moment. Working on it. Brendan
Paper 1:
BULLETIN OF MATHEMATICAL BIOLOGY VOLUME 37 1975
BIFURCATION ANALYSIS OF NONLINEAR REACTION – DIFFUSION EQUATIONS–I. EVOLUTION EQUATIONS AND THE STEADY STATE SOLUTIONS
J. F. G. Auchmuty
Department of Mathematics,
Indiana University,
Bloomington, Indiana 47401
and
G. Nicolis
Faculty des Sciences,
Universite Libre de Bruxelles,
Belgium
Paper 2
BULLETIN OF MATHEMATICAL BIOLOGY VOLUME 37 1975
BIFURCATION ANALYSIS OF NONLINEAR REACTION-DIFFUSION EQUATIONS–II. STEADY STATE SOLUTIONS AND COMPARISON WITH NUMERICAL SIMULATIONS
M. Herschkowitz-Kaufman
Faeulte des Sciences,
Universite Libre de Bruxelles
Belgium
Paper 3
CHAOS 27, 104617 (2017)
Dissipative structures: From reaction-diffusion to chemo-hydrodynamic patterns
M. A. Budroni and A. De Wit
Nonlinear Physical Chemistry Unit, Service de Chimie Physique et Biologie Theorique,
Universite libre de Bruxelles (ULB), CP 231 – Campus Plaine, 1050 Brussels, Belgium