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- W3088304089 abstract "Given the opportunity to use a new cluster computer with over a quarter million compute cores we tested the strong and weak scaling of a monodomain reaction-diffusion model of the human ventricles with Ten Tusscher-Panfilov dynamics. Element sizes down to 25 μm and a model size up to 11 billion nodes were tested with both explicit and implicit Euler integration methods. Time steps were 0.01 ms for the implicit method and were resolution-dependent for the explicit method. We found that the weak scaling (increasing model size) was good for both methods. Depending on the model size, strong scaling (speedup at a larger number of cores) was satisfactory for the explicit method, and more limited for the implicit method. The implicit solver was generally slower; only at a resolution of 25μm and on a relatively small number of cores it was as fast as the explicit solver. We conclude that whole-heart simulations at 25μm resolution are technically feasible, although not practical yet on currently available systems." @default.
- W3088304089 created "2020-10-01" @default.
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- W3088304089 date "2020-12-30" @default.
- W3088304089 modified "2023-10-15" @default.
- W3088304089 title "Feasibility of Whole-Heart Electrophysiological Models with Near-Cellular Resolution" @default.
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- W3088304089 doi "https://doi.org/10.22489/cinc.2020.126" @default.
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