Refereed Conference Papers

2020

  1. N. Bagheri-Sadeghi, B. T. Helenbrook, and K. D. Visser. Wake comparison of open and ducted wind turbines using actuator disc simulations. In Proceedings of the 2020 Fluids Engineering Division Summer Meeting
    Orlando, FL USA, July 7–11 2020. ASME, FEDSM2020-20300
  2. N. Bagheri-Sadeghi, B. T. Helenbrook, and K. D. Visser. Order of accuracy and sensitivity to freestream conditions of a modified k − ω turbulence model for high-order finite element methods. In Proceedings of the 2020 Fluids Engineering Division Summer Meeting, 2020.
  3. N. Bagheri-Sadeghi, B. T. Helenbrook, and K. D. Visser. Wake comparison of open and ducted wind turbines using actuator disc simulations. In Proceddings of the Fluids Engi- neering Division Summer Meeting, 2020.
  4. L. D’Aquila, B. Helenbrook, and A. Mazaheri. High-order shock fitting with finite element methods. In AIAA Aviation 2020, AIAA-3047, 2020.

2019

  1. A. Pirnia, S. D. Peterson, B. Helenbrook, and B. D. Erath. A finite element approach for pressure field estimation around moving boundaries. In AIAA Scitech 2019 Forum, AIAA 2019-0837.
  2. N. Makowski and B. T. Helenbrook. Scaling of permanent magnet machines with thermal effects. In IEEE International Electric Machines and Drives Conference (IEMDC’19), San Diego, CA, May 12–15, 2019.
  3. N. Bagheri-Sadeghi and B. T. Helenbrook. Turbulent channel flow with a modified k−ω turbulence model for high-order finite element methods. In Proceedings of the ASME-JSME-KSME 2019 Joint Fluids Engineering
    Conference, San Francisco, CA, July 28–August 1, 2019. ASME AJKFLUIDS2019-5501.

2017

  1. R. H. Marvin, D. J. Broomfield, B. T. Helenbrook, and K. D. Visser. Optimum design of a lightweight 10MW propulsion motor. In Electric Ship Technologies Symposium (ESTS), 2017 IEEE, pages 424–431. IEEE, 2017.
  2. R. H. Marvin, B. T. Helenbrook, and K. D. Visser. Predicting Motor and Generator Maximum Torque as a Function of Mass. In Proceedings of the IEEE International Electric Machines & Drives Conference, Miami, FL, May 21–24, 2017.
  3. 2016 B. S. Mascarenhas and B. T. Helenbrook. Analysis of implicit timeadvancing p-multigrid schemes for discontinuous Galerkin discretizations of the Euler equations. In The 46th AIAA Fluid Dynamics Conference, Washington, D.C., June 13–17, 2016.
  4. R. Venters, B. T. Helenbrook, and K. D. Visser. Ducted wind turbine optimization. In The 34th AIAA Applied Aerodynamics Conference, Washington, D. C., June 13–17, AIAA 2016-3729.

2015

  1. M.-C. Cheng, W. Jia, and B. T. Helenbrook, Thermal modeling for FinFET NAND gate circuits using a multi-block reduced-order model. In Therminic, Paris, France, September 29–October 2 2015.
  2. M.-C. Cheng, W. Jia, and B. T. Helenbrook, Thermal modeling of FinFET structure based on a multi-block reduced-order model. In 2015 European Solid-State Device Research & Circuits Conference, Graz, Austria, September 14–18, 2015.

2014

  1. D. S. Meyer, B. T. Helenbrook, W. Jia, and M.-C. Cheng, POD based reduced basis element method for use in thermal modeling of integrated circuits. In Proceedings of the Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, Orlanda, Florida, USA, May 27–30 2014. IEEE.
  2. W. Jia, B. T. Helenbrook, and M.-C. Cheng, A reduced order thermal model with application to multi-fin field effect transistor structure. In Proceedings of the Intersociety Conference on Thermal and Thermomechanical Phenomena
    in Electronic Systems, Orlanda, Florida, USA, May 27–30 2014. IEEE.
  3. W. Jia, B. T. Helenbrook, and M.-C. Cheng, Thermal modeling of multi-gate field effect transistors based on a reduced order model In Proceedings of the 30th IEEE SEMI-THERM Symposium, San Jose, CA, USA, March 18–20 2014. IEEE.

2013

  1. B. T. Helenbrook, High-order adaptive arbitrary-Lagrangian-Eulerian (ALE) calculations of solidification. In Proceedings of the 2013 Fluids Engineering Division Summer Conference, Incline Village, Nevada, USA, July 7–11 2013. ASME, FEDSM2013-16178.
  2. R. Venters and B. T. Helenbrook, A numerical investigation of high lift coefficient airfoils near regions of stall. In Proceedings of the 2013 Fluids Engineering Division Summer Conference, Incline Village, Nevada, USA, July 7–11 2013. ASME, FEDSM2013-16157.
  3. M.-C. Cheng, K. Zhang, R. Venters, and B. T. Helenbrook, Thermal Simulation of Integrated Circuits based on a Reduced-Order Model. In Proceedings of the 2013 Twenty Ninth Annual IEEE Semiconductor Thermal Measurement and Management Symposium (Semi-Therm), San Jose, CA, March 17–21 2013.
  4. B. T. Helenbrook and B. S. Mascarenhas. Wind turbine wake behavior at moderate Reynolds numbers as predicted by Reynolds-averaged-NavierStokes models. In The 51st AIAA Applied Sciences Meeting, AIAA 2013-1103.

2012

  1. F. Behzad, B. T. Helenbrook, and G. Ahmadi. On reduced order modeling of transient flows using the proper orthogonal decomposition. In Proceedings of the 2012 Fluids Engineering Division Summer Conference, Rio Grande, Puerto Rico, July 8–12 2012. ASME, FEDSM2012-72141.

2011

  1. D. Bohl, B. T. Helenbrook, B. Kanya, K.D. Visser, R. Marvin, B. Mascarenhas, and D. Rocky. Analysis and design of a wind turbine with a wind accelerator. In The 29th AIAA Applied Aerodynamics Conference, 2011.

2009

  1. H. L. Atkins and B. T. Helenbrook. Super-convergence of discontinuous Galerkin method applied to the Navier-Stokes equations. In The 20th AIAA Computational Fluid Dynamics Conference. AIAA-2009-3878, June 2009.

2008

  1. R. Bharadwaj, J. Khambekar, A. Orlando, Z. Gao, H. Shen, B. Helenbrook, T. A. Royal, and P. Weitzman. A comparison of discrete element modeling, finite element analysis, and physical experiment of granular material systems in a direct shear cell. In AIP Conference Proceedings, volume 969, pages 221–228, 2008.

2007

  1. B. T. Helenbrook and H. L. Atkins. Coupling p-multigrid to geometric multigrid for discontinuous Galerkin formulations of the Poisson equation. In The 18th AIAA Computational Fluid Dynamics Conference, Miami, FL, June 2007. AIAA-2007-4082.
  2. B. Mascarenhas, B. T. Helenbrook, and H. L. Atkins. Application of the pmultigrid algorithm to discontinuous Galerkin formulations of the compressible Euler equations. In The 18th AIAA Computational Fluid Dynamics Conference, Miami, FL, June 2007. AIAA-2007-4331.

2006

  1. B. T. Helenbrook, H. H. Shen, M. P. Powers, and P. T. Metzger. Continuum modeling and discrete element simulations of elastic-quasi-static granular flow in a compressing slot. In Proceedings of the 5th World Congress on Particle Technology, Orlando, Florida, April 2006.
  2. B. T. Helenbrook. Artificial compressibility preconditioning for incompressible flows under all conditions. In The 44th Aerospace Sciences Meeting and Exhibit Conference, Reno, NV, Jan 2006. AIAA-2006-0689.

2005

  1. B. T. Helenbrook and H. L. Atkins. Application of p-multigrid to discontinuous Galerkin formulations of the Poisson equation. In The 17th AIAA Computational Fluid Dynamics Conference, Toronto, CA, June 2005. AIAA-2005-5111.
  2. H. L. Atkins and B. T. Helenbrook. Numerical evaluation of p-multigrid method for the solution of discontinuous Galerkin discretizations of diffusive equations. In The 17th AIAA Computational Fluid Dynamics Conference, Toronto, CA, June 2005. AIAA-2005-5110.

2003

  1. B. T. Helenbrook, H. L. Atkins, and D. J. Mavriplis. Analysis of “p”-multigrid for continuous and discontinuous finite element discretizations. In The 16th AIAA Computational Fluid Dynamics Conference, Orlando, Florida, June 2003. AIAA-2003-3989.

2002

  1. B. T. Helenbrook and T. J. Baker. An adaptive spectral element method for two-fluid flows. In Proceedings of the 2002 Joint ASME/European Fluids Engineering Division Summer Conference, Montreal, Quebec, Canada, July 2002. ASME, FEDSM2002-31227.
  2. B. Moses, C. F. Edwards, and B. T. Helenbrook. Development of a spatially filtered method for calculation of multiphase flow. In Proceedings of the 2002 Joint ASME/European Fluids Engineering Division Summer Conference, Montreal, Quebec, Canada, July 2002. ASME, FEDSM2002-31231.

1996

  1. B. T. Helenbrook and C. K. Law. Ignition of hydrogen and oxygen in counterflow at high pressures. In Proceedings of The Twenty-Sixth (International) Symposium on Combustion, pages 815-822, 1996.