SC13 Home > SC13 Schedule > SC13 Presentation - Design and Analysis of Parallel Multiscale Algorithms for Modeling Platelets

SCHEDULE: NOV 16-22, 2013

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Design and Analysis of Parallel Multiscale Algorithms for Modeling Platelets

SESSION: Doctoral Showcase - Early Research Showcase

EVENT TYPE: Doctoral Showcase - Early Research Showcases

TIME: 3:30PM - 5:00PM

SESSION CHAIR: Wojtek James Goscinski

Presenter(s):Na Zhang


We design and analyze a family of multidisciplinary integrated multi-scale parallel schemes for modeling flowing platelets in viscous blood plasma at disparate spatiotemporal scales. To effectively carry out our model, we customize LAMMPS software package and enable a simulation system size consisting of 100 million particles. To efficiently conduct numerical experiments, we propose a hybrid CGMD-DPD (coarse-grained molecular dynamics-dissipative particle dynamics) method at overlaying regions of platelets and viscous blood plasma for facilitating rheological information sharing over the spatial temporal scales. Through supercomputing and numerical variation separation technologies, we parameterize these algorithms and systematically analyze the impacts of model parameters on the accuracy of representing the physics observables and biomedical phenomena for optimal computing efforts. Finally, we apply our optimal algorithms to realistic multi-scales studies of platelet adhesion and scale our model to thousands of processors on the Sunway Blue Light Massive Parallel Processing (MPP) system.

Chair/Presenter Details:

Wojtek James Goscinski (Chair) - Monash University

Na Zhang - Stony Brook University

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