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图学学报 ›› 2026, Vol. 47 ›› Issue (5): 1095-1102.DOI: 10.11996/JG.j.2095-302X.2026051095

• 计算机图形学与虚拟现实 • 上一篇    下一篇

面向燃油电磁阀的流场仿真网格生成方法

肖海丽1, 胡宇桐2,3,4, 满春雷1, 曹洋1, 李海生2,3,4()   

  1. 1 中国航发长春控制科技有限公司, 吉林 长春 130102
    2 北京工商大学计算机与人工智能学院, 北京 100048
    3 商业数据安全防护与智能治理北京市重点实验室, 北京 100048
    4 食品安全大数据技术北京市重点实验室, 北京 100048
  • 收稿日期:2025-08-22 接受日期:2026-06-25 出版日期:2026-10-31 发布日期:2026-10-26
  • 通讯作者:李海生,E-mail:lihsh@th.btbu.edu.cn
  • 基金资助:
    国家自然科学基金(62277001);北京市自然科学基金(L233026)

Flow-field simulation mesh generation method for fuel solenoid

XIAO Haili1, HU Yutong2,3,4, MAN Chunlei1, CAO Yang1, LI Haisheng2,3,4()   

  1. 1 Aero Engine Corporation of China Changchun Control Technology Company, Changchun Jilin 130102, China
    2 School of Computer and Artificial Intelligence, Beijing Technology and Business University, Beijing 100048, China
    3 Beijing Key Laboratory of Commercial Data Security Protection and Intelligent Governance, Beijing 100048, China
    4 The Key Laboratory of Big Data Technology for Food Safety, Beijing 100048, China
  • Received:2025-08-22 Accepted:2026-06-25 Published:2026-10-31 Online:2026-10-26
  • Contact: LI Haisheng,E-mail:lihsh@th.btbu.edu.cn
  • Supported by:
    National Natural Science Foundation of China(62277001);Beijing Natural Science Foundation(L233026)

摘要:

网格生成是数值仿真前处理中的关键环节,网格质量直接影响仿真结果的计算精度、收敛稳定性与计算效率。燃油电磁阀流场仿真涉及入口窄缝、狭窄通道、转角过渡区和近壁面区域等复杂结构,局部尺度小、几何变化明显,流体经过时易产生速度梯度和压力变化,因此需要生成尺寸更小、分布更密和质量更稳定的局部网格。传统网格生成方法在处理复杂小尺度流道结构时,易出现关键区域分辨率不足、边界层刻画不充分和局部单元质量不稳定等问题,影响流场仿真的可靠性。针对上述问题,设计一种面向燃油电磁阀的流场仿真网格生成方法。首先,对几何模型进行拓扑检查与缺陷修补,消除影响网格划分的几何错误,并识别入口窄缝、狭窄通道和近壁面等重点区域。随后,构建空间尺寸场,指导受控表面离散,使网格尺寸根据几何尺度和流动敏感区域进行调整;在壁面附近沿法线方向逐层铺设过渡单元,形成高分辨率边界层网格,提高近壁流动特征捕捉能力。进一步结合几何梯度与误差指标开展自适应局部细化,重点加密燃油流经的关键通道、窄缝和局部突变区域,并生成高质量四面体网格。最后,通过网格平滑与单元质量优化改善单元形状、尺寸过渡和分布均匀性。生成网格应用于燃油电磁阀流场仿真,并与传统网格划分结果进行仿真效率和精度对比。实验结果表明,面向燃油电磁阀的流场仿真网格生成方法可使前处理时间缩短73.62%,全流程时间缩短40.75%,在提高网格生成与仿真效率的同时,仿真结果精度与传统方法保持一致,具有良好的应用价值。

关键词: 燃油电磁阀, 网格生成, 流场仿真, 计算机辅助工程, 自适应局部细化

Abstract:

Mesh generation is a key step in the preprocessing stage of numerical simulation, and mesh quality directly affects the computational accuracy, convergence stability, and computational efficiency of simulation results. Flow-field simulation of fuel solenoid valves involves complex structures such as inlet narrow slots, narrow channels, transition corners, and near-wall regions. These regions have small local scales and obvious geometric variations, and velocity gradients and pressure changes are likely to occur when fluid passes through them. Therefore, local meshes with smaller element sizes, denser distributions, and more stable quality are required. Traditional mesh generation methods often suffer from insufficient resolution in key regions, inadequate boundary-layer representation, and unstable local element quality when dealing with complex small-scale flow-channel structures, which affects the reliability of flow-field simulation. To address these problems, a mesh generation method for flow-field simulation of fuel solenoid valves was designed. First, topological inspection and defect repair were performed on the geometric model to eliminate geometric errors that may affect mesh generation, and key regions such as inlet narrow slots, narrow channels, and near-wall regions were identified. Then, a spatial size field was constructed to guide controlled surface discretization, so that the mesh size can be adjusted according to geometric scales and flow-sensitive regions. Transition elements were also arranged layer by layer along the normal direction near the wall surface to form a high-resolution boundary-layer mesh, thereby improving the ability to capture near-wall flow characteristics. Furthermore, adaptive local refinement was carried out by combining geometric gradients and error indicators. Key channels, narrow slots, and local abrupt regions through which fuel flows were refined, and high-quality tetrahedral meshes were generated. Finally, mesh smoothing and element quality optimization were used to improve element shape, size transition, and distribution uniformity. The generated mesh was applied to the flow-field simulation of the fuel solenoid valve, and its simulation efficiency and accuracy were compared with those of traditional meshing. The experimental results showed that the mesh generation method for flow-field simulation of fuel solenoid valves reduced preprocessing time by 73.62% and overall workflow time by 40.75%. While improving mesh generation and simulation efficiency, the simulation accuracy remained consistent with that of traditional methods, showing good application value.

Key words: fuel solenoid valve, mesh generation, flow-field simulation, computer aided engineering, adaptive local refinement

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