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Implementation of Alternating Directing Scheme in CDS Computer Simulator for Diblock Copolymers


Sohail Ahmed Memon, Nazar Hussain Phulpoto, Imtiaz Ali Halepoto, Adnan Manzoor, Muhammad Sulleman Memon


Vol. 18  No. 4  pp. 170-175


The Cell Dynamics Simulation (CDS) technique is considered computationally very efficient and is usually used to investigate large systems, e.g., block copolymers. The CDS method is mainly used for solving the partial differential equations (PDEs). It is recommened by many researchers due to its accuracy and efficiency as compared to the simulators of the same line. This paper provides a detailed study of CDS based on diblock copolymers. It is implemented in Alternating Direction Implicit (ADI) finite difference (FD) method. This FD method is unconditionally stable and second-order accurate compared to conventional Forward Euler’s method, which is fast but not very stable.


CDS block copolymers Lemallar Morphology Alternating Direction Implicit method Finite Difference method