A numerical model was established for analysis of their effects, and the problems were solved by use of finite difference method.
建立了地面新施工荷载对地铁隧道的影响分析计算模型，并采用有限差分法进行了求解。
Numerical model was established after considering solidification, shake out, clearing getting system and heat treatment to predict the casting deformation during hot working processes.
综合考虑凝固、冷却、打箱、切除浇注系统和热处理影响建立数值模型，准确预测铸件在整个热加工工序中的变形。
Based on one or several two-dimensional cross-sections of specimen, combining with digital image processing technology, two-dimensional numerical model was established for mechanics simulation.
基于试样的一个或几个二维截面，结合数字图像处理技术建立二维数值模型进行力学模拟。
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