以质子交换膜燃料电池（PEMFC）准二维多物理域模型为研究对象,运用控制变量法研究模型结构与仿真配置对仿真速率的影响规律,通过物理量分布特性验证模型稳态预测性能,并探究负载加载幅度与速度对模型动态响应的作用规律。结果表明,多孔层一体化简化策略、减少流道分段数、加大步长及快速加速模式可有效提升仿真速率（15 s仿真时间、耗时1.73 s、速度提升8.67 倍）;该模型预测的物理量分布特征符合理论,稳态预测性能良好;负载加载幅度越大、速度越快都会导致电压下冲幅度越大。
Abstract
This study is based on a quasi-2D multiphysics domain model for Proton Exchange Membrane Fuel Cells （PEMFCs）. A systematic investigation is conducted using the controlled variable method to evaluate the impact of model architecture and simulation configurations on computational efficiency. The steady-state prediction performance of the proposed model is validated through an analysis of the distribution characteristics of physical quantities, while the effects of load amplitude and loading rate on the model’s dynamic response are explored.The results demonstrate that the integrated simplification strategy for porous layers, reduction in flow channel segments, increment of time step size, and adoption of a fast acceleration mode can effectively enhance the simulation rate. Specifically, for a 15-second simulation, the computation time is reduced to 1.73 seconds, achieving an 8.67-fold acceleration. The predicted distributions of physical quantities are consistent with theoretical expectations, indicating robust steady-state prediction capability. Furthermore, it is observed that larger load amplitudes and higher loading rates result in more significant voltage undershoots.This research provides valuable insights for the development of fast PEMFC simulations and hardware-in-the-loop （HIL） simulation implementations.
关键词
质子交换膜燃料电池 /
多物理域 /
准二维模型 /
仿真速率 /
动态响应 /
数值模拟
Key words
proton exchange membrane fuel cell （PEMFC） /
multiphysics /
quasi-2D model /
simulation rate /
dynamic response /
numerical simulation
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基金
全国重点实验室开放基金（SKLIAPE 2024008）
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