3D numerical simulations on GPUs of hyperthermia with nanoparticles by a nonlinear bioheat model

被引：36

作者：

Reis, Ruy Freitas ^{[2
]}

Loureiro, Felipe dos Santos ^{[1
,2
]}

Lobosco, Marcelo ^{[1
,2
]}

机构：

[1] Univ Fed Juiz de Fora, Dept Ciencia Computacao, BR-36036330 Juiz De Fora, MG, Brazil

[2] Univ Fed Juiz de Fora, Programa Posgrad Modelagem Computac, BR-36036900 Juiz De Fora, MG, Brazil

来源：

JOURNAL OF COMPUTATIONAL AND APPLIED MATHEMATICS | 2016年 / 295卷

关键词：

Finite difference; Hyperthermia; Parallel computation; Tumor; Nanoparticles; GPU/CUDA; MAGNETIC INDUCTION; SKIN SURFACE; IN-VIVO; TISSUE; OPTIMIZATION; TUMORS;

D O I：

10.1016/j.cam.2015.02.047

中图分类号：

O29 [应用数学];

学科分类号：

070104 ;

摘要：

This paper deals with the numerical modeling of hyperthermia treatments by magnetic nanoparticles considering a 3D nonlinear Pennes' bioheat transfer model with a temperature-dependent blood perfusion in order to yield more accurate results. The tissue is modeled by considering skin, fat and muscle layers in addition to the tumor. The FDM in a heterogeneous medium is employed and the resulting system of nonlinear equations in the time domain is solved by a predictor multicorrector algorithm. Since the execution of the three-dimensional model requires a large amount of time, CUDA is used to speedup it. Experimental results showed that the parallelization with CUDA was very effective in improving performance, yielding gains up to 242 times when compared to the sequential execution time. (C) 2015 Elsevier B.V. All rights reserved.

引用

页码：35 / 47

页数：13

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