Aerated Impact Loads on Coastal Structures and Buildings During Extreme Hydrodynamic Events

Extreme hydrodynamic hazards such as tsunamis, coastal floods, flash floods, and dam failures generate highly unsteady multiphase flows composed of water, air, and debris. During impact with coastal and inland structures, these aerated flows produce complex loading mechanisms that differ fundamentally from conventional hydrostatic or hydrodynamic forces. Understanding these processes is essential for improving engineering design methodologies, supporting risk informed infrastructure planning, and enhancing the resilience of coastal systems and built environments.Despite advances in wave structure interaction modeling, the role of air entrainment during impact remains poorly understood. Air pockets, compressibility effects, and mixture density variations can significantly alter pressure peaks, impulse duration, and structural response. Current design guidelines often neglect these processes, leading to large uncertainties in impact load prediction and infrastructure safety assessment. Addressing this gap is critical to developing more reliable load estimation approaches, reducing uncertainty in extreme hazard scenarios, and enabling safer, more resilient infrastructure design.This Research Topic aims to quantify how multiphase interactions (particularly air entrainment) modify impact forces during extreme hydrodynamic events. It also supports the development of solution-oriented approaches for coastal and flood-prone infrastructure exposed to extreme hydrodynamic hazards.The goal is to bridge hydrodynamics and structural mechanics to improve predictive capability and inform resilient design methodologies for coastal and flood-prone infrastructure.We invite contributions including experimental, numerical, and theoretical studies addressing:- Multiphase impact mechanics (air, water, and debris)- Aerated wave and bore impacts on structures- Tsunami and coastal flood loading- Flash flood and dam break hydrodynamics- Pressure impulse and peak load prediction- CFD and multiphase modeling approaches- Data driven and hybrid modeling (e.g., machine learning assisted CFD, surrogate modeling) for predicting aerated impact loads and structural response- Structural response and failure mechanisms- Debris and structure interaction- Scaling laws and similarity analysis- Design implications for resilient infrastructure Topic editors: Sohail Iqbal, Jaan H. Pu Source: https://www.frontiersin.org/research-topics/79364/aerated-impact-loads-on-coastal-structures-and-buildings-during-extreme-hydrodynamic-events