Slosh Dynamics: Theory and Practice offers a rigorous and technically rich exploration of fluid dynamics in constrained, partially filled containers, characterized by nonlinear behavior with critical implications across engineering systems. Rooted in the fundamental principles of fluid and solid mechanics, this volume progresses through detailed mathematical modeling and thorough stability assessment of coupled multiphase phenomena, culminating in applied methodologies for controlling and mitigating sloshing effects. The book combines analytical depth with state-of-the-art computational techniques, including finite element, finite volume, and particle-based methods, alongside practical guidance on relevant software tools. It addresses challenges in a wide range of sectors, such as aerospace, marine, automotive, energy, and process industries, through real-world case studies and advanced simulation workflows. Ideated to serve as an authoritative reference resource, Slosh Dynamics supports both academic enquiry and practical engineering applications at the highest level by uniquely bridging the divide between specialized understanding of sloshing-induced behavior and the broader demands of performance optimization and safety-critical design for integrated systems.