"Software Application in Tunnel Engineering" is an authoritative academic text that offers a systematic exploration of advanced numerical simulation techniques in tunnel engineering, tailored to the needs of graduate students and professionals. The book addresses critical topics, including dynamic monitoring, risk assessment, groundwater control, disaster mitigation, and multi-field coupling analyses, with a focus on the practical application of sophisticated tools like ADINA and FLAC3D. It integrates comprehensive case studies that connect theoretical principles with complex real-world scenarios, demonstrating the essential role of numerical simulations in optimizing tunnel design and construction. Emphasizing recent advancements in high-performance computing, artificial intelligence, and cloud-based platforms, this textbook aims to elevate technical competencies and foster innovation, equipping readers with the analytical skills required to tackle the evolving challenges of tunnel engineering in diverse geological contexts.