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Sharp-interface problem of the Ohta--Kawasaki model for symmetric diblock copolymers
[report]
2022
The Ohta-Kawasaki model for diblock-copolymers is well known to the scientific community of diffuse-interface methods. To accurately capture the long-time evolution of the moving interfaces, we present a derivation of the corresponding sharp-interface limit using matched asymptotic expansions, and show that the limiting process leads to a Hele-Shaw type moving interface problem. The numerical treatment of the sharp-interface limit is more complicated due to the stiffness of the equations. To
doi:10.34657/8611
fatcat:vpwnwumdmbcgjdyilsvgektjpu