Christoph Hader

Interests

Teaching

Laminar-turbulent boundary-layer transition (transonic, supersonic, hypersonic)High Performance ComputingNumerical MethodsHypersonic flowSupersonic flowDirect Numerical Simulations

Research

Laminar-turbulent boundary-layer transition (transonic, supersonic, hypersonic)High Performance ComputingNumerical MethodsHypersonic flowSupersonic flowFlow control for low and high-speed flowsTransition modelling for Reynolds Averaged Navier-Stokes (RANS) codesDirect Numerical SimulationsNonlinear physical mechanisms relevant for laminar-turbulent boundary-layer transition

Courses

Scholarly Contributions

Chapters

• Hader, C., & Fasel, H. F. (2022). Direct Numerical Simulations (DNS) of Natural Transition in High-Speed Boundary Layers Using a Broadband Random Forcing Approach. In IUTAM Laminar-Turbulent Transition(pp 565--574). Springer.

Journals/Publications

• Hader, C., & Fasel, H. F. (2023). Numerical Investigations of Nonlinearly Generated Disturbance Waves in High-Speed Boundary Layers. AIAA Journal, 61(11), 4797--4807.
• Woodward, M., Tian, Y., Lin, Y. T., Hader, C., Fasel, H., & Livescu, D. (2023). Mori-Zwanzig Modal Decomposition. arXiv preprint arXiv:2311.09524.
• Woodward, M., Tian, Y., Lin, Y. T., Hader, C., Fasel, H., Chertkov, M., & Livescu, D. (2023). Modal Analysis with Mori-Zwanzig Formalism: Application to Hypersonic Boundary Layer Flow. Bulletin of the American Physical Society.
• Hartman, A. B., Hader, C., & Fasel, H. F. (2021). Nonlinear transition mechanism on a blunt cone at Mach 6: oblique breakdown. Journal of Fluid Mechanics, 915, R2.
• Meersman, J. A., Hader, C., & Fasel, H. F. (2021). Numerical Investigation of Nonlinear Boundary-Layer Transition for Cones at Mach 6. AIAA Journal, 59(6), 1940--1952.
• Hader, C., & Fasel, H. F. (2020). Three-dimensional wave packet in a Mach 6 boundary layer on a flared cone. Journal of Fluid Mechanics, 885.
• Chynoweth, B. C., Schneider, S. P., Hader, C., Fasel, H., Batista, A., Kuehl, J., Juliano, T. J., & Wheaton, B. M. (2019). History and progress of boundary-layer transition on a Mach-6 flared cone. Journal of Spacecraft and Rockets, 56(2), 333--346.
• Hader, C., & Fasel, H. F. (2019). Direct Numerical Simulations of Hypersonic Boundary-Layer Transition for a Flared Cone: Fundamental Breakdown. Journal of Fluid Mechanics, 869.
• Hader, C., & Fasel, H. F. (2019). Direct numerical simulations of hypersonic boundary-layer transition for a flared cone: fundamental breakdown. Journal of Fluid Mechanics, 869, 341--384.
• Hader, C., & Fasel, H. F. (2018). Towards simulating natural transition in hypersonic boundary layers via random inflow disturbances. Journal of Fluid Mechanics, 847, R3.
• Hader, C., & Fasel, H. F. (2018). Towards simulating natural transition in hypersonic boundary layers via random inflow disturbances. Journal of Fluid Mechanics, 847.
• Brehm, C., Hader, C., & Fasel, H. F. (2015). A locally stabilized immersed boundary method for the compressible Navier--Stokes equations. Journal of Computational Physics, 295, 475--504.

Proceedings Publications

• Barraza, B., Gross, A., Haas, A. P., Hader, C., & Fasel, H. F. (2023). Machine-Learning-Based Transition Prediction for Hypersonic Boundary Layers with Crossflow. In AIAA SCITECH 2023 Forum.
• Barraza, B., Gross, A., Leinemann, M., Hader, C., & Fasel, H. F. (2023). Local Transition Model for Crossflow Instability in High-Speed Boundary-Layers. In AIAA AVIATION 2023 Forum.
• Flood, J. J., Hader, C., Skora, A., Fasel, H. F., & Craig, S. A. (2023). Experimental measurements and numerical investigations of boundary-layer instabilities on a Mach 5 hollow cylinder. In AIAA SCITECH 2023 Forum.
• Hader, C., & Fasel, H. F. (2023). Numerical investigation of the laminar-turbulent boundary-layer transition for a circular cone at Mach 5: wind tunnel and flight conditions. In AIAA SCITECH 2023 Forum.
• Hartman, A., Fasel, H. F., Wernz, S., Haas, A. P., & Hader, C. (2023). Numerical Investigations of Hypersonic Boundary-Layer Stability for a Blunt Flat Delta Wing. In AIAA AVIATION 2023 Forum.
• Leinemann, M., Haas, A. P., Hader, C., & Fasel, H. F. (2023). Direct Numerical Simulations of the Nonlinear Boundary Layer Transition Regime on a Blunt Swept Flat Plate at Mach 6. In AIAA AVIATION 2023 Forum.
• Singh, A., Hader, C., Threadgill, J. A., Fasel, H. F., & Little, J. C. (2023). Schlieren Visualization of Controlled Disturbances in Mach 5 Flow Over a Hollow Cylinder Flare. In AIAA SCITECH 2023 Forum.
• Woodward, M., Tian, Y., Lin, Y. T., Mohan, A. T., Hader, C., Fasel, H. F., Chertkov, M., & Livescu, D. (2023). Data-Driven Mori-Zwanzig: Reduced Order Modeling of Sparse Sensors Measurements for Boundary Layer Transition. In AIAA AVIATION 2023 Forum.
• Woodward, M., Tian, Y., Mohan, A. T., Lin, Y. T., Hader, C., Livescu, D., Fasel, H. F., & Chertkov, M. (2023). Data-Driven Mori-Zwanzig: Approaching a Reduced Order Model for Hypersonic Boundary Layer Transition. In AIAA SCITECH 2023 Forum.
• Bailey, M., Hader, C., & Fasel, H. F. (2022). Numerical Investigation of the Nonlinear Transition Stages in a High-Enthalpy Hypersonic Boundary Layer on a Right Cone. In IUTAM Laminar-Turbulent Transition: 9th IUTAM Symposium, London, UK, September 2--6, 2019.
• Barraza, B., Gross, A., Haas, A. P., Hader, C., & Fasel, H. (2022). Machine-Learning-Based Amplification Factor Transport Equation for Hypersonic Boundary-Layers. In AIAA AVIATION 2022 Forum.
• Biella, M., Hader, C., & Fasel, H. F. (2022). Numerical investigation of the laminar-turbulent transition process for the HIFiRE-1 Flight Test. In AIAA SCITECH 2022 Forum.
• Haas, A. P., Hader, C., & Fasel, H. F. (2022). Numerical Investigation of Cross-Flow Instability for a Supersonic Swept Wing with a Biconvex Airfoil. In AIAA SCITECH 2022 Forum.
• Hader, C., & Fasel, H. F. (2022). Direct Numerical Simulations (DNS) of Natural Transition in High-Speed Boundary Layers Using a Broadband Random Forcing Approach. In IUTAM Laminar-Turbulent Transition: 9th IUTAM Symposium, London, UK, September 2--6, 2019.
• Hader, C., & Fasel, H. F. (2022). Flow control using steady blowing and suction strips in a Mach 6 Boundary Layer on a Flared Cone: "Natural" Transition. In AIAA AVIATION 2022 Forum.
• Hader, C., & Fasel, H. F. (2022). Numerical Investigation of Boundary-Layer Transition for a slender cone at Mach 6 initiated with Random Disturbances. In AIAA SCITECH 2022 Forum.
• Hader, C., Subramanya, S. M., & Fasel, H. F. (2022). Direct Numerical Simulations of Laminar-Turbulent Transition for Transonic Boundary Layers initiated by Random Disturbances. In AIAA SCITECH 2022 Forum.
• Herman, B., Hader, C., & Fasel, H. F. (2022). Numerical investigation of the effects of wall heating and cooling on the nonlinear transition stages for a sharp cone at Mach 6. In AIAA Scitech 2022 Forum.
• Hurworth, A., Hader, C., & Fasel, H. F. (2022). Direct Numerical Simulations of Hypersonic Boundary-Layer Transition for a Sharp Cone at Mach 10. In AIAA SCITECH 2022 Forum.
• Leinemann, M., Hader, C., & Fasel, H. F. (2022). Numerical Investigation of Boundary-Layer Transition initiated by Random Disturbances for a Flat Plate at Mach 6. In AIAA SCITECH 2022 Forum.
• Little, J. C., Threadgill, J. A., Jouannais, L., Craig, S., Flood, J., Hader, C., Flood, J., Hader, C., Jouannais, L., Craig, S., Threadgill, J. A., & Little, J. C. (2022, January). Fin-induced Shock Boundary Layer Interactions on a Flat Plate and Hollow Cylinder at Mach 5. In AIAA SCITECH 2022 Forum, 21.
• Meersman, J. A., Hader, C., & Fasel, H. F. (2022). Numerical Investigation of Hypersonic Boundary-Layer Transition for an Ogive Cone. In AIAA SciTech 2022 Forum.
• Stevens, S., Hader, C., & Fasel, H. F. (2022). Numerical investigation of the nonlinear transition stages for a sharp cone at Mach 10. In AIAA Aviation 2022 Forum.
• Tsakagiannis, V., Hader, C., & Fasel, H. F. (2022). Nonlinear wave packet simulation for a cone at Mach 10 using a GPU accelerated pseudo-spectral scheme. In AIAA AVIATION 2022 Forum.
• Haas, A. P., Hader, C., & Fasel, H. F. (2021). Linear Stability Investigation of Cross-Flow Instability for a Supersonic Swept Wing with a Biconvex Airfoil. In AIAA Aviation 2021 Forum.
• Hader, C., & Fasel, H. F. (2021). Flow control using steady blowing and suction strips in a Mach 6 Boundary Layer on a Flared Cone. In AIAA Scitech 2021 Forum.
• Hader, C., Deng, N., & Fasel, H. F. (2021). Direct Numerical Simulations of Hypersonic Boundary-Layer Transition for a straight cone at Mach 5. In AIAA Scitech 2021 Forum.
• Hader, C., Deng, N., & Fasel, H. F. (2021). Direct numerical simulations of hypersonic boundary-layer transition for a straight cone at Mach 5. In AIAA Scitech 2021 Forum.
• Hader, C., Deng, N., Woodward, M., & Fasel, H. F. (2021). Direct Numerical Simulations of Laminar-Turbulent Transition for Transonic Boundary Layers. In AIAA Scitech 2021 Forum.
• Hader, C., Hader, C., Fasel, H. F., & Fasel, H. F. (2021). Three-dimensional wave packets in a Mach 10 Boundary Layer on a Sharp Cone. In AIAA Aviation 2021 Forum.
• Harder, A., Singh, A., Threadgill, J., Little, J., Hader, C., & Fasel, H. (2021). Investigation of Transitional SBLIs using Plasma Based Disturbances. In APS Division of Fluid Dynamics Meeting Abstracts.
• Hartman, A., Hader, C., & Fasel, H. F. (2021). Direct Numerical Simulations of laminar-turbulent boundary-layer transition for a blunt cone at Mach 6. In AIAA Scitech 2021 Forum.
• Hartman, A., Hader, C., & Fasel, H. F. (2021). Direct Numerical Simulations of laminar-turbulent boundary-layer transition for blunt cones at Mach 6: Effect of Varying Nose Bluntness. In AIAA AVIATION 2021 FORUM.
• Leinemann, M., Hader, C., & Fasel, H. F. (2021). Direct numerical simulations of the nonlinear boundary layer transition regime on a flat plate at Mach 6. In AIAA Scitech 2021 Forum.
• Meersman, J. A., Hader, C., & Fasel, H. F. (2021). Direct numerical simulations of nonlinear entropy-layer instability waves. In AIAA Scitech 2021 Forum.
• Singh, A., Threadgill, J. A., Flood, J. T., Craig, S. A., Little, J. C., Hader, C., & Fasel, H. F. (2021). Development of Plasma-based Controlled Disturbances for the Study of Boundary Layer Transition and Shock Boundary Layer Interaction. In AIAA Aviation 2021 Forum.
• Hader, C., & Fasel, H. F. (2020). Wave packets on a flared cone at Mach 6. In AIAA Scitech 2020 Forum.
• Hader, C., Leinemann, M., & Fasel, H. F. (2020). Direct Numerical Simulations of Hypersonic Boundary-Layer Transition for a slender cone. In AIAA Aviation 2020 Forum.
• Hartman, A., Hader, C., & Fasel, H. F. (2020). Numerical investigation of nonlinear entropy-layer instability waves for hypersonic boundary-layers. In AIAA AVIATION 2020 FORUM.
• Leinemann, M., Hader, C., & Fasel, H. F. (2020). Direct Numerical Simulations of the Nonlinear Transition Regime on a Flat Plate at Mach 6. In AIAA Scitech 2020 Forum.
• Chynoweth, B. C., Hader, C., Batista, A., Juliano, T. J., Kuehl, J., Wheaton, B. M., Fasel, H. F., & Schneider, S. P. (2018). A history and progress of second mode dominated boundary-layer transition on a Mach 6 flared cone. In 2018 AIAA Aerospace Sciences Meeting.
• Meersman, J. A., Hader, C., & Fasel, H. F. (2018). Hypersonic boundary-layer transition: comparison of the fundamental resonance breakdown for a flared and straight cone at Mach 6. In 2018 Fluid Dynamics Conference.
• Hader, C., & Fasel, H. F. (2017). Fundamental resonance breakdown for a flared cone at Mach 6. In 55th AIAA Aerospace Sciences Meeting.
• Hader, C., & Fasel, H. F. (2016). Laminar-turbulent transition on a flared cone at Mach 6. In 46th AIAA Fluid Dynamics Conference.
• Brehm, C., Barad, M. F., & Hader, C. (2014). A High-Order Immersed Interface Method for Compressible Flows. In 7th AIAA Theoretical Fluid Mechanics Conference.
• Brehm, C., Hader, C., & Fasel, H. (2014). A higher-order immersed boundary method for viscous compressible flows. In AIAA Theoretical Fluid Mechanics Conference, AIAA, 2093.
• Hader, C., Brehm, C., & Fasel, H. F. (2014). Numerical Investigation of transition delay for various controlled breakdown scenarios in a Mach 6 Boundary Layer using porous walls. In 7th AIAA Theoretical Fluid Mechanics Conference.
• Hader, C., Brehm, C., & Fasel, H. (2013). Numerical investigation of porous walls for a Mach 6.0 boundary layer using an immersed interface method. In 51st AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition.
• Hader, C., Brehm, C., & Fasel, H. F. (2013). Numerical Investigation of transition delay using porous walls. In 43rd AIAA Fluid Dynamics Conference.
• Brehm, C., Hader, C., & Fasel, H. (2012). Novel immersed boundary/interface method for the compressible navier-stokes equations. In 50th AIAA Aerospace Sciences Meeting including the New Horizons Forum and Aerospace Exposition.
• Hader, C., & Fasel, H. (2011). Numerical investigation of porous walls for a Mach 6.0 boundary layer using an immersed boundary method. In 41st AIAA Fluid Dynamics Conference and Exhibit.

Others

• Fasel, H. F., & Hader, C. (2021, December). Flow control techniques for delaying or accelerating laminar-turbulent boundary-layer transition for high-speed flight vehicles.
  More info

  patent application
• Hader, C. (2019, May). Direct Numerical Simulations of Hypersonic Boundary-Layer Transition for a Flared Cone.