Page 16 - 《爆炸与冲击》2026年第2期

第 46 卷 寿列枫，等： 大尺度复杂环境下的强爆炸冲击波传播数值模拟技术研究 第 2 期

4 结 论

本文中基于扩散界面多组分模型，建立了可用于模拟极端条件下、任意种介质相互作用的可压缩多
相流数值方法，并结合网格自适应和大规模并行计算等技术，实现了复杂地形环境和真实城市建筑条件
的冲击波传播过程的完整数值模拟。核心工作可概括如下。
(1) 提出了一种基于人工智能技术、具有 MUSCL-THINC-BVD 特征的且兼具鲁棒性、低耗散、高效
率重构方法，在激波、接触间断和物质界面等关键区域能够自适应的选择最合适的重构方法，从而达到
最小的全局数值耗散，同时比 BVD 框架下的传统格式具有更高的计算效率。
(2) 建立了基于全球地理信息系统的自动化几何建模和网格剖分技术、网格自适应和 MPI+OpenMP
混合并行计算与负载平衡算法，为研究大尺度的空间爆炸冲击波传播提供了一种有效的数值方法体系。
(3) 针对复杂地形、城市区域等复杂环境的大当量冲击波传播过程，开展了具有数亿网格规模、压力
3
15
范围 10 ～10 Pa、不少于 10 km 范围的强爆炸冲击波高效数值模拟，为未来进一步的研究奠定了基础。

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