A numcric.d solution of a rccentiy proposed diffusion equation govcming spinadal decornposltion or a fluid i\ prcsontcd. The results arc compared with those of Cahn's theory. t'or time\ bcyorrd the linear regime, the two thcortcr, dtffer sigruficantly in detail for the co~rsenln~ process md Lor the
On the kinetics of spinodal decomposition: a numerical solution of a dissipative wave equation
โ Scribed by F. Gleisberg; Th.F. Nonnenmacher
- Publisher
- Elsevier Science
- Year
- 1980
- Tongue
- English
- Weight
- 253 KB
- Volume
- 76
- Category
- Article
- ISSN
- 0009-2614
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โฆ Synopsis
A n~mencai so~urmn of a recentI) dented d:sslpatlbe waw equation gavernmg the kmetlcs of spmodal decomposltmn of a Lennard-Jones Ruld 1s presenred In addltron. the r.zsults are compared wrth those of Cahn's and Abraham's generaked dtffusion theories for the case of rhe early stages of the coarsemng process
๐ SIMILAR VOLUMES
Computation of the spatial derivatives with non-local differential operators, such as the Fourier pseudospectral method, may cause strong numerical artifacts in the form of noncausal ringing. This situation occurs when regular grids are used. The problem is attacked by using a staggered pseudospectr