凝固组织计算机模拟技术评述

Review on computer simulation technique of solidification structure

用计算机模拟的方法研究组织形成过程对于改善材料性能、优化材料成型工艺等有重要意义.概述了近年来国内外凝固组织计算机模拟技术的进展.评述了当前使用的数学模型,即蒙特-卡洛模型、相场模型和基于界面稳定性理论的晶体生长模型的特点及局限性.展望了凝固组织计算机模拟技术的发展方向.

It has important significance for im proving material properties,optimizing material processes that so-lidification structures are modele d with computers.The recent develop ments of domestic and oversea comput er simulation on solidification structure have been summarized briefly in the paper.The features and limitati ons of the mathematics models recently used in the computer simulation,such as Mon te -Carlo model,phase field model and the crystal growth model based on the theory of interface stability,have been reviewed,The developing direction of computer simulation technique on so lidification structure has been forecasted.