PhD position: High resolution micro-scale modelling of Backward Erosion Piping University of Twente in Netherlands

This fully-funded PhD position at the University of Twente focuses on high-resolution micro-scale modelling of Backward Erosion Piping (BEP), a critical process affecting dike stability. BEP involves seepage flow through dike foundations, leading to internal erosion channels caused by sand particle erosion, especially during high-water events. The Digital Dikes program aims to address the limitations of current assessment methods by developing advanced numerical models that capture the complex 3D nature of BEP and the variability of soil and water conditions. The program trains 14 young researchers in novel modelling methodologies for dike safety, collaborating with industry, government, and international partners.

The PhD project investigates poorly understood internal erosion mechanisms at the microscale, focusing on primary erosion (Darcy-driven erosion at the pipe tip) and secondary erosion (tangential erosion along pipe walls). Using advanced particle–fluid simulation tools, the project will employ the Discrete Element Method (DEM) for granular soil and the Lattice Boltzmann Method (LBM) for pore-scale seepage flow. This coupled framework enables detailed resolution of complex pore-scale fluid flow and particle motion driven by erosion.

Key research targets include primary erosion at the upstream-propagating pipe tip, three-dimensional pipe networks where secondary streams converge into the primary pipe, and the influence of small-scale heterogeneities (such as local density variations) on meandering patterns. The overarching goal is to establish connections between soil characteristics (particle size distribution, initial density, and pressure), local heterogeneity, and the 3D advancement of the pipe tip. By comparing different soil conditions, the study will assess how primary erosion is affected by the formation of 3D branches in relation to soil properties. High-performance computing (HPC) methods and infrastructures are essential for this pioneering three-dimensional particle-scale numerical investigation of BEP primary erosion.

The PhD project is supervised by Prof. Vanessa Magnanimo (University of Twente) and Dr. F. Froiio (University of Lyon), with at least 4 months secondment at Centrale Lyon. Collaboration with Technical University of Delft (Dr. M. Cabrera) and ABT for experimental calibration and validation is integral to the project. Soil characteristics and size distributions will be sourced from Dutch Water Authorities, and the candidate will benefit from the Digital Dikes network.

Applicants should have a MSc or equivalent degree in Civil Engineering, Hydraulic Engineering, Geotechnical Engineering, Computer Science, or a related field. Strong interest in fundamental research and numerical modelling, affinity with granular materials or soil erosion processes, programming skills in C and Python, and experience in Unix/Linux environments are required. Experience with DEM, particle-based numerical methods, and HPC technologies (MPI, OpenMP) is advantageous. Scientific writing, communication skills, and proficiency in English are essential.

The position offers a starting salary of €3059 gross per month, rising to €3881 in the fourth year, with annual holiday allowance (8%) and year-end bonus (8.3%), a solid pension scheme, and a minimum of 41 leave days for full-time employment. The PhD candidate will be enrolled in the Twente Graduate School (TGS) and work in a multidisciplinary, international environment with excellent campus facilities.

Applications must be submitted by June 14, 2026, via the provided link. Required documents include a cover letter, detailed CV with courses and grades, and a description of MSc research. Screening is part of the procedure, and interviews are scheduled for the first and second week of July 2026. For further information, contact Prof. Vanessa Magnanimo at [email protected].