• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>JSME International Journal. Series B, Fluids and Thermal Engineering >Time-Dependent FEM Analysis of Photon Migration in Biological Tissues
【24h】

Time-Dependent FEM Analysis of Photon Migration in Biological Tissues

机译：生物组织中光子迁移的时变有限元分析

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Time-resolved spectroscopy is expected to be developed for optical imaging of biological tissues which strongly scatter and weakly absorb light. It is necessary to understand the transmission behavior of light impulses incident on such scattering and absorbing media. One of the numerical methods used to solve the photon diffusion equation is the finite element method (FEM). We report the FEM results of temporal variation of transmittance of light impulses through scattering slabs and cylinders. FEM results of transmittances through homogeneously scattering and absorbing slabs are shown and compared with the results obtained by a Monte Carlo method which is believed to provide more accurate results, although much longer computation time is necessary for a Monte Carlo method. The FEM results for cylinders with homogeneous scattering and inhomogeneous absorption are also presented. The effects of the location and size of the localized absorbing volume on the transmittances are investigated.
机译：预计将开发时间分辨光谱用于光学成像的强烈散射和弱吸收光的生物组织。有必要了解入射在这种散射和吸收介质上的光脉冲的传输行为。用于求解光子扩散方程的一种数值方法是有限元方法（FEM）。我们报告了通过散射平板和圆柱的光脉冲的透射率随时间变化的有限元结果。示出了通过均匀散射和吸收平板的透射率的有限元结果，并将其与通过蒙特卡洛方法获得的结果进行了比较，尽管蒙特卡洛方法需要更长的计算时间，但据信该方法可以提供更准确的结果。还给出了具有均匀散射和不均匀吸收的圆柱体的有限元结果。研究了局部吸收体积的位置和大小对透射率的影响。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号