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About Sven Westerbeek

Sven contributes to Deltares' mission by working daily to improve our numerical algorithms. His focus lies on enhancing the speed, robustness, and efficiency of the D-Hydro Suite. With a background in numerical aerodynamics, he previously served as the lead developer of the Delft Harmonic Navier-Stokes Solver, through which he gained extensive expertise in Computational Fluid Dynamics (CFD).

Currently, Sven is developing an implicit solver for the two-dimensional shallow water equations using Julia’s SciML ecosystem. He is also involved in maintaining the D-Hydro FM and 3D computational cores as part of the core solver team.

In addition to his interests in numerical mathematics and CFD, Sven has a passion for music and sports. He plays the guitar and frequently represents Deltares at the corporate volleyball tournament in Delft.

Working experience

  1. Technische Universiteit Delft

    PhD Aerodynamica

    2020 - present

  2. Technische Universiteit Delft

    PhD in de sectie FPT

    Present

  3. Technische Universiteit Delft

    Master of Science Aerodynamica

    2017 - 2020

  4. Technische Universiteit Delft

    Bachelor of Science Maritieme Techniek

    2014 - 2017

Publications

  1. Linear and nonlinear interactions between stationary crossflow instabilities and a smooth surface hump. (under review) Journal of Fluid Mechanics.

    Westerbeek, S., Casacuberta, J., & Kotsonis, M. (2025).

  2. Delay of Swept-Wing Transition Using a Surface Hump. (to appear online) Journal of Fluid Mechanics.

    Rius-Vidales, A F., Morais, L., Westerbeek, S., Casacuberta, J., Soyler, M., Kotsonis, M. (2025)

  3. Streaky perturbations in swept-wing flow over forward-facing step. Physical Review Fluids.

    Casacuberta, J., Westerbeek, S., Franco, J. A., Groot, K. J., Hickel, S., Hein, S., & Kotsonis, M. (2025).

  4. The Delft Harmonic Navier-Stokes Solver for nonlinear stability problems with complex geometric features. Computer Physics Communications.

    Westerbeek, S., Hulshoff, S., Schuttelaars, H., & Kotsonis, M. (2024).

  5. Linear and nonlinear stability analysis of a three-dimensional boundary layer over a hump.

    Westerbeek, S., Franco Sumariva, J. A., Michelis, T., Hein, S., & Kotsonis, M. (2023).

  6. Direct numerical simulation of interaction between a stationary crossflow instability and forward-facing steps. Journal of Fluid Mechanics

    Casacuberta, J., Hickel, S., Westerbeek, S., & Kotsonis, M. (2022).

  7. Receptivity of crossflow instability to discrete roughness amplitude and location. Journal of Fluid Mechanics.

    Zoppini, G., Westerbeek, S., Ragni, D., & Kotsonis, M. (2022).

  8. Effect of streamwise surface undulations on the nonlinear stability of crossflow instabilities

    In 12th International Symposium on Turbulence and Shear Flow Phenomena

    Westerbeek, S., & Kotsonis, M. (2022).

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