Dr. Clifton Mortensen

Mechanical and Aerospace Engineering

University of California, Los Angeles

Current research at UCLA

Education

  • BS Mechanical Engineering, Brigham Young University, 2008
  • MS Mechanical Engineering, Brigham Young University, 2010
  • MS Aerospace Engineering, UCLA, 2012
  • PhD Aerospace Engineering, UCLA, 2015
    • Thesis: "Effects of Thermochemical Nonequilibrium on Hypersonic Boundary-Layer Instability in the Presence of Surface Ablation and Isolated Two-Dimensional Roughness"
  • NDSEG Fellow
  • MAE Dept. Commencement Award for Outstanding Ph.D.

Research Interests

  • Computational fluid dynamics (CFD)
  • Numerical Methods
  • High temperature gas dynamics
  • Effects of thermochemical nonequilibrium on hypersonic boundary layer stability
  • Effects of graphite ablation on hypersonic boundary layer transtion over cones and blunt bodies
  • Massive CFD data set post-processing

Publications

  • C. Mortensen, "Toward an understanding of supersonic modes in boundary-layer transition for hypersonic flow over blunt cones," Journal of Fluid Mechanics, Vol. 846, pp. 789-814, 2018. doi:10.1017/jfm.2018.246
  • C. Mortensen and X. Zhong, “Simulation of Second-Mode Instability in a Real-Gas Hypersonic Flow with Graphite Ablation,” AIAA Journal, Vol. 52, No. 8, pp. 1632-1652, 2014.
  • Mortensen, C., Woodley, R., Gorrell, S., M. Gosnell: Data Mining Vortex Cores Concurrent with Computational Fluid Dynamics Simulations, Real World Data Mining Applications, edited by M. Abou-Nasr, S. Lessmann, R. Stahlbock, and G. Weiss, Vol. 17 of Annals of Information Systems, Springer International Publishing, 2015, pp. 299--324.
  • C. Mortensen and X. Zhong, “Real Gas and Surface Ablation Effects on Hypersonic Boundary-Layer Instability over a Blunt Cone,” AIAA Journal, Acceptance Pending, 2015.
  • C. Mortensen and X. Zhong, "Numerical Simulation of Hypersonic Boundary-Layer Instability in a Real Gas with Two-Dimensional Surface Roughness", AIAA paper 2015-3077, June 2015.
  • C. Mortensen and X. Zhong, "Real Gas and Surface Ablation Effects on Hypersonic Boundary Layer Instability over a Blunt Cone", AIAA paper 2013-2981, June 2013.
  • C. Mortensen and X. Zhong, "Numerical Simulation of Graphite Ablation Induced Outgassing Effects on Hypersonic Boundary Layer Receptivity over a Cone Frustum", AIAA paper 2013-0522, January 2013.
  • C. Mortensen and X. Zhong, "High-Order Shock-Fitting Method for Hypersonic Flow with Graphite Ablation and Boundary Layer Stability", AIAA paper 2012-3150, June 2012.
  • Mortensen, C.: A Computational Fluid Dynamics Feature Extraction Method Using Subjective Logic. Master’s thesis, Brigham Young University (2010)
  • C. Mortensen, S. Gorrell, and R. Woodley, "An Intelligent Agent Architecture for Concurrent CFD Feature Extraction", AIAA paper 2010-1323, 2010.
  • Mortensen, C., Woodley, R., Gorrell, S.: Concurrent agent-enabled extraction of computational fluid dynamics (CFD) features in simulation. In: Proceedings of The 2009 International Conference on Data Mining. pp. 90–96 (July 2009)

see publications section for paper downloads

Interests

When I'm not working I might be skiing!