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通过分析焊接过程仿真技术的发展现状 ,指出提高仿真方法的效率和精度是解决焊接过程仿真技术的若干关键问题。同时结合计算机技术和仿真技术的发展前沿进行了几项探索性研究。这些研究包括网格自适应技术的开发和应用 ,采用不同求解器对并行计算中并行加速比影响的研究 ,以及材料高温性能对计算时间和计算精度的影响等。在几种方法中 ,网格自适应技术和并行计算技术有较好的发展前景和广泛的应用范围。除对本研究组已开展的工作进行了一定的分析外 ,并对某些未来的研究发展方向进行了初步的探讨 ,这些可能进行的研究包括单元技术的开发、可行的结构简化方案、动态区域分解算法的实现、分布式并行处理系统的建立和相似原理在焊接过程中的应用等
By analyzing the development status of the welding process simulation technology, it is pointed out that improving the efficiency and accuracy of the simulation method is a key issue to solve the welding process simulation technology. At the same time, several exploratory studies are carried out based on the development of computer technology and simulation technology. These researches include the development and application of grid adaptive technology, the research on the influence of parallel speedup in parallel computing with different solvers, and the influence of high temperature performance of materials on the calculation time and calculation precision. Among the several methods, grid adaptive technology and parallel computing technology have good development prospects and a wide range of applications. In addition to analyzing some of the work already carried out by the research group, some preliminary research directions for future research are explored. These possible studies include the development of elemental technologies, feasible structural simplification schemes, dynamic regional decomposition Algorithm, the establishment of distributed parallel processing system and the application of similar principles in the welding process