Fluent Simulation and Modeling Techniques by Richard Johnson

"Fluent Simulation and Modeling Techniques"

"Fluent Simulation and Modeling Techniques" is a comprehensive guide to the theory, methods, and practical implementation of advanced simulation and modeling. The book begins with foundational concepts—defining simulation in mathematical terms, exploring major paradigms such as discrete-event, continuous, and agent-based models, and addressing critical themes like uncertainty quantification, verification, validation, and reproducibility. Readers gain a robust understanding of the balance between fidelity and computational feasibility, with detailed discussions on model selection, error analysis, and the essential tools for ensuring scientific rigor.

Delving into advanced technical content, the book presents state-of-the-art numerical techniques, including efficient solvers, time-stepping algorithms, mesh generation, and strategies for handling large-scale linear and nonlinear systems. Particular emphasis is placed on computational fluid dynamics using Fluent, covering all stages from governing equations and turbulence modeling to solution strategies, multiphysics coupling, and powerful visualization methods. The software architecture section offers guidance on designing reusable and extensible simulation frameworks, integrating external data, parallelization, and establishing robust automated testing and continuous integration pipelines—ensuring simulations are maintainable in modern computational environments.

Further chapters explore high-performance, distributed, and cloud-native simulation, embracing recent advances such as GPU acceleration, load balancing, resilient systems, and immersive user interfaces. Practical applications range from biological and economic systems to Internet of Things and digital twins, complemented by the integration of machine learning for optimization, surrogate modeling, and automated research pipelines. Through a clear organization and real-world case studies, this book empowers researchers, engineers, and developers to master cutting-edge simulation techniques and confidently contribute to the future of scientific and engineering modeling.