Reactive and reactive-diffusive time scales in stiff reaction-diffusion systems
作者： Dimitris A. Goussis , Mauro Valorani , Francesco Creta , Habib N. Najm
关键词: Manifold 、 Set (abstract data type) 、 Asymptotic analysis 、 Statistical physics 、 Development (differential geometry) 、 Reaction–diffusion system 、 Computer science 、 Diffusion (business) 、 Time marching 、 Term (time)
摘要: Two different sets of time scales arising in stiff systems reaction-diffusion PDEs are examined; the first due to reaction term alone and second interaction diffusion terms. The fastest each set responsible for development a low dimensional manifold, characteristics which depend on considered. advantages disadvantages employing these two manifolds simplification large discussed. It is shown that approaches provide non-stiff simplified system similar accuracy. approach based allows simpler construction system, while reaction/diffusion marching scheme.
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