M.Sc Niklas Kühl

Hamburg University of Technology (TUHH)
Institute for Fluid Dynamics and Ship Theory (M8)
Am Schwarzenberg-Campus 4 (C)
D-21073 Hamburg
Room C5.003

Phone: +49 40 42878 6008


URL: http://www.tuhh.de/fds/staff/


Schooling in Rendsburg (Germany)


B.Sc. Mechanical Engineering, Hamburg University of Technology


M.Sc. Theoretical Mechanical Engineering, Hamburg University of Technology


Research Associate at Institute of Fluid Dynamics and Ship Theory, Hamburg University of Technology

Major Areas of Interest & Expertise

Computational Fluid Dynamics: (Continuous) Analysis of Adjoint Two-Phase Navier-Stokes Flow, (Discrete) Development of Consistent Adjoint Numerical Approximation Schemes, Immiscible Two-Phase Cahn-Hilliard Navier-Stokes Flow, Optimal Shape Design

Mathematical Optimization: Continuous (+ Discrete = Hybrid) Adjoint Techniques, Adjoint-Based Sensitivity Analysis, Fluid Dynamic Optimization on Industrial Level, Technical Constraints

I'm responsible for the DFG-project DROPPS, the BMWi-project DynAForm and also a member of the Lothar Collatz School for computing in sciences.

Student work

Adjoint Shape Optimization



G. Bletsos, N. Kühl, and T. Rung. Adjoint-Based Shape Optimization for the Minimization of Flow-Induced Hemolysis in Biomedical Applications. Engineering Applications of Computational Fluid Mechanics, 15(1):1095-1112, 2021. doi. preprint.

P. M. Müller, N. Kühl, M. Siebenborn, K. Deckelnick, M. Hinze, and T. Rung. A Novel p-Harmonic Descent Approach Applied to Fluid Dynamic Shape Optimization. Structural and Multidisciplinary Optimization, 2021.  doipreprint.

N. Kühl, P. M. Müller, and T. Rung. Adjoint Complement to the Universal Momentum Law of the Wall. Flow, Turbulence and Combustion, 2021.  doipreprint.

N. Kühl, J. Kröger, M. Siebenborn, M. Hinze, and T. Rung. Adjoint Complement to the Volume-of-Fluid Method for Immiscible Flows. Journal of Computational Physics, 440: 110411, 2021.  doipreprint.

N. Kühl, P.M. Müller, and T. Rung. Continuous Adjoint Complement to the Blasius Equation. Physics of Fluids, 33(3):033608, 2021.  doipreprint.

N. Kühl, M. Hinze, and T. Rung. Cahn-Hilliard Navier-Stokes Simulations for Marine Free-Surface Flows. Experimental and Computational Multiphase Flow, 2021. doipreprint.


N. Kühl, P. M. Müller, A. Stück, M. Hinze, and T. Rung. Decoupling of Control and Force Objective in Adjoint-Based Fluid Dynamic Shape Optimization. AIAA journal, 57(9): 4110-4114, 2019. doipreprint.


J. Kröger, N. Kühl, and T. Rung. Adjoint Volume-of-Fluid Approaches for the Hydrodynamic Optimisation of Ships. Ship Technology Research, 65(1):47-68, January 2018.  doi.