Li Chengyu, Cheung M Rex
Department of Radiation Oncology, University of Texas M. D. Anderson Cancer Center, Houston, TX 77030, USA.
Comput Biol Med. 2009 Oct;39(10):934-9. doi: 10.1016/j.compbiomed.2009.07.011. Epub 2009 Aug 8.
Here we introduce a marched absorbing layer boundary condition for the finite element analysis of diffuse photon density wave propagation in tissues. We investigated and optimized the parameters required to set up a marched absorbing layer boundary for diffuse photon density wave propagation in media with different absorption and scattering coefficients. Comparing with using a breast model connected to a large substrate and a Robin boundary condition, using a marched absorbing layer boundary condition to replace part of the large base reduced the time for forward modeling by about 30%.
在此，我们引入一种行进吸收层边界条件，用于组织中漫射光子密度波传播的有限元分析。我们研究并优化了在具有不同吸收和散射系数的介质中为漫射光子密度波传播设置行进吸收层边界所需的参数。与使用连接到大型基底的乳房模型和罗宾边界条件相比，使用行进吸收层边界条件取代部分大型基底可将正向建模时间减少约30%。
