dr.ir. G.H.P. Campmans (Geert)

Currently I am working on numerical modeling of aeolian sediment transport.

In the ShoreScape project I supervise Paran Pourteimouri, a PhD candidate who is investigating the influence of buildings on aeolian sediment transport to the dunes using OpenFoam. In many coastal areas buildings are placed on the beach, because people are attracted to the sea. However, these buildings also affect Aeolian sediment transport towards the coastal dunes. The dunes provide protection to the hinterland during storms. Therefore it is important to know what effect buildings have on the sediment supply towards the dunes.

Swash zone processes

In the Shaping the Beach project I supervise Joost Kranenborg, a PhD candidate who is investigating sediment transport in the Swash zone using OpenFoam. The Swash zone is the interface between the wet and dry part of the beach. It is in this zone where sediment transport accretes or erodes a beach and therefore essential in coastal protection.

Modeling storm effects on sand wave dynamics

During my PhD I investigated the effect of wind waves and wind-driven flow on sand wave dynamics. These effects were investigated on both small-amplitude as well as finite-amplitude sand wave dynamics. Particularly wind waves reduce the growth rate (in the small-amplitude regime) and reduce the height of fully grown sand waves. Wind-driven currents cause sand waves to migrate. My PhD research was finalized with the Thesis entitled “Modeling storm effects on sand wave dynamics”, which contains three peer-reviewed journal articles. My PhD was part of the SMARTSEA project, which is partly funded by NWO-TTW.

During my PostDoc within the SMARTSEA project I investigated the effects of dredging on sand wave dynamics. I investigated the response of sand waves to dredging activities.

Tidal sand waves are marine bed forms that are formed by the interaction of tidal currents with the sandy seabed, such as in the North Sea. Their dynamics – causing a constantly changing seabed – are of interest for the safety of various offshore applications and activities. For instance to guarantee safe navigation, positioning and maintaining pipelines and communication and power cables, placement of wind farms, and the burial and exposure of objects on the sea floor such as ammunition and sea mines.

Teaching

2018-present: Long Waves and Tidal Morphodynamics (MSc-course)
supervising: MSc-students
2018-present: supervising Ir. Joost Kranenborg (PhD candidate)
2018-present: supervising Ir. Paran Pourteimouri (PhD candidate)

Education

2014-2018: PhD. Candidate, University of Twente, Enschede. Modeling storm effects on sand wave dynamics.
2011-2013: MSc. Mechanical Engineering (Engineering Fluid Dynamics), University of Twente.
2008-2011: BSc. Mechanical Engineering, University of Twente.

Earth & Environmental Sciences

# Airflow
# Beach
# Modeling
# Morphodynamics
# Sand Wave
# Sediment Transport
# Tidal Modeling
# Wave Runup

Faculty of Engineering Technology (ET), Coastal Systems and Nature-Based Engineering (CSNBE)

Kranenborg, J. W. M. , Campmans, G. H. P. , van der Werf, J. J., McCall, R. T., Reniers, A. J. H. M. , & Hulscher, S. J. M. H. (2024). Effects of free surface modelling and wave-breaking turbulence on depth-resolved modelling of sediment transport in the swash zone. Coastal engineering, 191, Article 104519. https://doi.org/10.1016/j.coastaleng.2024.104519

Kranenborg, J. W. M., Pauli, T., Jacobsen, N. G. , van der werf, J. J. , Dionisio Antonio, S. , Campmans, G. H. P., Reniers, A. J. H. M. , & Hulscher, S. J. M. H. (2023). Measurements and Modeling of Pore‐Pressure Gradients in the Swash Zone Under Large‐Scale Laboratory Bichromatic Waves. Journal of geophysical research: Oceans, 128(12), Article e2022JC019577. https://doi.org/10.1029/2022JC019577

Kranenborg, J. W. M. (2023). Vertical dependences in swash-zone flows and sand transport. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente. https://doi.org/10.3990/1.9789036556859

Pourteimouri, P. , Campmans, G. H. P. , Wijnberg, K. M. , & Hulscher, S. J. M. H. (2023). Modelling the influence of beach building pole heights on aeolian morphology and downwind sediment transport. Geomorphology, 436, Article 108791. https://doi.org/10.1016/j.geomorph.2023.108791

van der Werf, J. , Dionísio António, S. , Kranenborg, J. , Chen, W. , Campmans, G. , Horstman, E., Reniers, A. , & Hulscher, S. (2023). Shaping the beach: Cross-shore sand transport in the swash zone. In Coastal Sediments 2023 (pp. 1923-1932) https://doi.org/10.1142/9789811275135_0176

Pourteimouri, P. (2023). Modelling the influence of characteristics, orientation and positioning of beach buildings on airflow and aeolian sediment transport patterns in the surrounding area. [PhD Thesis - Research UT, graduation UT, University of Twente]. University of Twente. https://doi.org/10.3990/1.9789036556354

Wang, X. , Campmans, G. H. P. , Weinhart, T. , Thornton, A. R. , Luding, S. , & Wijnberg, K. M. (2023). A numerical study of aeolian sediment transport affected by moisture, using discrete element modelling. Abstract from NCK-days 2023, Delft, Netherlands. https://www.nck-web.org/boa-2023/691-a-numerical-study-of-aeolian-sediment-transport-affected-by-moisture-using-discrete-element-modelling

Pourteimouri, P. , Campmans, G. H. P. , Wijnberg, K. M. , & Hulscher, S. J. M. H. (2023). How wind direction and building spacing influences airflow patterns and sediment transport patterns around a row of beach buildings: A numerical study. Aeolian research, 61, 100867. Article 100867. https://doi.org/10.1016/j.aeolia.2023.100867

Pourteimouri, P. , Campmans, G. H. P. , Wijnberg, K. M. , & Hulscher, S. J. M. H. (2022). Beach buildings on poles and their implications for duneward sediment transport: a numerical study. In 37th International Conference on Coastal Engineering, ICCE 2022, Sydney

Campmans, G. H. P. , van Dijk, T. , Roos, P. C. , & Hulscher, S. J. M. H. (2022). Calibration and validation of two tidal sand wave models: A case study of The Netherlands continental shelf. Journal of marine science and engineering, 10(12), Article 1902. https://doi.org/10.3390/jmse10121902

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