内燃机CFD仿真实战：ANSYS Fluent全流程进阶课 – CG群

掌握内燃机CFD仿真全流程，从SolidWorks几何建模到ANSYS Fluent燃烧模拟，涵盖动网格、CHEMKIN化学动力学及污染物预测，适合机械工程学生与工程师进阶。

原始标题：Internal Combustion Engine CFD Simulation with ANSYS Fluent

Internal Combustion Engine CFD Simulation with ANSYS Fluent

本课程是一门面向机械工程专业学生、科研人员及仿真工程师的内燃机（ICE）仿真全流程进阶实战课。课程彻底打通了 CAD 几何建模与高端 CFD 仿真的技术壁垒，指导学员熟练运用 SOLIDWORKS 和 ANSYS SpaceClaim 绘制精确的四冲程发动机结构，并掌握面向动网格技术的高质量拓扑解构与网格划分技巧。通过本模块的学习，学员能够独立建立起符合工业级标准的内燃机前处理几何模型，为后续的高精度流体仿真奠定坚实的数据基础。

在核心仿真阶段，课程手把手教学如何在 ANSYS Fluent 中配置曲轴连杆机构、瞬态边界条件、燃料喷射参数，并重点引入了 CHEMKIN 化学反应动力学机制进行冷态气流与甲烷瞬态燃烧的深度模拟。学员不仅能通过后处理直观量化分析气缸内的压力、温度、流场速度及放热率，还能精准预测氮氧化物与烟炱等污染物的排放规律，并最终学会利用扇区模型（Sector Model）与网格敏感性分析实现计算成本与仿真精度的双重优化，全方位提升动力系统研发的科研与工程实战能力。

Learn Internal Combustion Engine CFD from geometry design to combustion simulation using ANSYS Fluent, SpaceClaim, Solid

What you’ll learn
⚡ Understand the working principles of internal combustion engines and identify the main components of a diesel engine and their functions.
⚡ Understand engine geometry and valve timing and create an engine geometry in ANSYS SpaceClaim and SOLIDWORKS.
⚡ Set up an ICE simulation in ANSYS Fluent and define engine parameters such as crank radius, connecting rod length, compression ratio, and valve lift profiles.
⚡ Configure combustion models and boundary conditions and run transient combustion simulations
⚡ Analyze simulation results, including pressure, temperature, velocity, turbulence, and heat release and evaluate engine performance & combustion characteristics

Requirements
❗ A basic understanding of Internal Combustion Engines (ICE) and the four-stroke diesel engine cycle.
❗ Familiarity with engine components such as the piston, cylinder, valves, and fuel injector.
❗ Basic knowledge of fluid mechanics and thermodynamics.

Description
This course provides a complete, practical guide to performing Computational Fluid Dynamics (CFD) simulations of internal combustion engines using ANSYS Fluent. Whether you are a student, researcher, or professional engineer, you will learn the complete workflow required to build, set up, simulate, and analyze engine combustion simulations.

The course begins with the fundamentals of internal combustion engines before moving into the complete geometry creation process using SolidWorks and ANSYS SpaceClaim. You will then learn how to prepare CFD-ready geometries through engine decomposition and generate high-quality meshes suitable for moving mesh simulations.

Next, you will configure ANSYS Fluent by defining solver settings, combustion models, CHEMKIN chemistry, fuel injection parameters, boundary conditions, monitor definitions, initialization, and solution controls. Both cold-flow and combustion simulations are covered using practical engineering examples.

You will perform methane combustion simulations, learn how to import and configure CHEMKIN reaction mechanisms, evaluate NOx and soot models, and analyze combustion characteristics through professional post-processing techniques.

The course also includes mesh sensitivity analysis, parametric studies, and practical assignments that reinforce each topic. Students will learn how to optimize mesh quality, reduce computational cost using sector models, and compare different simulation strategies.

By the end of this course, you will be able to independently perform complete CFD simulations of internal combustion engines using ANSYS Fluent and apply these techniques to academic research and industrial engineering projects.

Who this course is for
⭐ Mechanical engineering students.
⭐ Graduate students and researchers working on engine simulations.
⭐ CFD engineers and analysts.

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