农业工程领域耦合仿真技术应用现状与展望

Application Status and Prospect of Coupled Simulation in Agricultural Engineering Research

摘要:

耦合仿真技术作为一种先进的数值仿真方法，能将多个独立的物理场或物理现象的仿真模型结合，实现不同领域或不同物理学模型的数值仿真方法相互结合，彼此交换信息并相互影响，在农业工程领域展现出广阔的应用前景，为现代农业装备的数字化与智能化设计提供了新途径。为了系统总结耦合仿真技术在农业工程领域的应用现状和分析该技术的未来发展趋势，概述了耦合仿真技术的基本原理、仿真流程与类型以及相关数值模拟技术与软件，梳理了离散元-结构有限元耦合、离散元-计算流体力学耦合、离散元-多体动力学耦合、连续介质流固耦合以及刚柔耦合在农业工程领域的应用实例。同时，结合耦合仿真技术的应用现状，分析了目前该技术在模型构建与精确性、算法与计算资源、数据集成与处理、仿真软件设计和标准化等方面存在的问题，提出了耦合仿真技术应用发展趋势：多尺度建模与智能验证体系、高性能算法与算力、数据治理与交互模式智能化、标准化建设以及智能融合与场景扩展等，为耦合仿真技术在农业工程领域进一步应用发展提供参考。

Abstract:

As an advanced numerical simulation method, coupled simulation technology can combine multiple independent simulation models of physical fields or physical phenomena to realize the combination of numerical simulation methods in different fields or different physical models, exchange information and interact with each other. It showed a broad application prospect in the field of agricultural engineering and provided a way for the digital and intelligent design of modern agricultural equipment. In order to systematically summarize the application status of coupling simulation technology in the field of agricultural engineering and analyze the future development trend of this technology, the basic principle, simulation process and types of coupling simulation technology and related numerical simulation technology and software were summarized. The application examples of discrete element-structural finite element coupling, discrete element-computational fluid dynamics coupling, discrete element-multibody dynamics coupling, continuum fluid-solid coupling and rigid-flexible coupling in the field of agricultural engineering were sorted out. At the same time, combined with the application status of coupling simulation technology, the problems existing in the current technology in model construction and accuracy, algorithm and computing resources, data integration and processing, simulation software design and standardization were analyzed. The application development trends of coupling simulation technology were proposed, including multi-scale modeling and intelligent verification system, high-performance algorithm and computing power, intelligent data governance and interaction mode, standardization construction, intelligent integration and scene expansion, etc., which provided reference for the further application and development of coupling simulation technology in the field of agricultural engineering.