Simple computation of reaction–diffusion processes on point clouds
Type
ArticleKAUST Grant Number
KUK-C1-013-04KUK-C1-013-04
Date
2013-05-20Online Publication Date
2013-05-20Print Publication Date
2013-06-04Permanent link to this record
http://hdl.handle.net/10754/599619
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The study of reaction-diffusion processes is much more complicated on general curved surfaces than on standard Cartesian coordinate spaces. Here we show how to formulate and solve systems of reaction-diffusion equations on surfaces in an extremely simple way, using only the standard Cartesian form of differential operators, and a discrete unorganized point set to represent the surface. Our method decouples surface geometry from the underlying differential operators. As a consequence, it becomes possible to formulate and solve rather general reaction-diffusion equations on general surfaces without having to consider the complexities of differential geometry or sophisticated numerical analysis. To illustrate the generality of the method, computations for surface diffusion, pattern formation, excitable media, and bulk-surface coupling are provided for a variety of complex point cloud surfaces.Citation
Macdonald CB, Merriman B, Ruuth SJ (2013) Simple computation of reaction–diffusion processes on point clouds. Proc Natl Acad Sci USA 110: 9209–9214. Available: http://dx.doi.org/10.1073/pnas.1221408110.Sponsors
C.B.M. thanks Dr. Chandrasekhar Venkataraman (University of Sussex) for useful discussions on bulk-coupled reaction-diffusion models. The work of C. B. M. was supported by Award KUK-C1-013-04 from King Abdullah University of Science and Technology (KAUST). The work of S.J.R. was partially supported by a Natural Sciences and Engineering Research Council of Canada Discovery Grant and by Award KUK-C1-013-04 from KAUST.PubMed ID
23690616PubMed Central ID
PMC3677480ae974a485f413a2113503eed53cd6c53
10.1073/pnas.1221408110
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