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
ROOM:601/603
ABSTRACT:
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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