Interface Evolution via aeast-Square Velocity Extension: Application to Tumor Growth
Date Issued
2008
Date
2008
Author(s)
Lee, Hao-Chih
Abstract
The growth ofumor boundary is an unstable evolution process. In numericalimulation, the evolution of the boundary is technically veryensitive to its curvature, and causes numerical instability andncorrect calculation. In this paper, we propose a least-squareethod for the extension of the boundary velocity. This extension,ogether with the level set method, can compute a continuous modelor the tumor growth and achieve the second order accuracy.
Subjects
tumor growth
level set
least square
velocity extension
interface evolution
Type
thesis
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