Heiko Schmidt (Homepage is under construction)

Address Prof. Dr.-Ing. Heiko Schmidt Juniorprofessur für Strömungsmodellierung BTU Cottbus Fakultät 3 Maschinenbau, Elektrotechnik und Wirtschaftsingenieurwesen Lehrgebäude 3A Siemens-Halske-Ring 14 D-03046 Cottbus Germany Email: schmidth[at]tu-cottbus.de Phone: +49-(0)355-69-4874 Fax: +49-(0)355-69-4891 Room: 133

Former Address

Freie Universität Berlin
Institut für Mathematik
Scientific Computing/Geophysical Fluid Dynamics
Arnimallee 6
14195 Berlin
Germany

• Email: heischmi[at]math.fu-berlin.de
• Phone: (+49) 30 838 75201
• Room: 010
• Workgroup: Geophysical Fluid Dynamics
  

Open Positions

• SHK (3.75h/week): Latex and Python Scripts

Research Interests

My key area of interest is modeling of turbulent flows in combustion and meteorology. Particularly I am working on

• Heterogeneous multi scale modeling and superparameterization
• Stochastic simulation of turbulent (reacting) flow with LEM and ODT
• Hybrid level set methods
• Wave/Fluid interactions with scale separation, especially thermoacoustics
• Modeling and numerical simulation of Stratocumulus cloud layers
• Low Mach Number Asymptotics

Teaching

• Seminar on Turbulence Modeling, WS 2010/2011, BTU Cottbus
• Heterogeneous Multi Scale Methods in Fluid Mechanics, WS 2010/2011, BTU Cottbus
• Numerical Methods for Fluid and Gas Dynamics, SS 2010, BTU Cottbus
• Heterogeneous Multi Scale Methods in Fluid Mechanics, WS 2009/2010, BTU Cottbus
• Seminar Numerical Methods for Fluid and Gas Dynamics, WS 2009/2010, BTU Cottbus
• Heterogeneous Multi Scale Methods in Meteorology and Combustion, WS 2008/2009, FU Berlin
• Seminar Boundary Conditions for open domains and free surfaces, WS 2008/2009, FU Berlin
• Computer Oriented Mathematics, COMAII, SS 2008, FU Berlin
• Seminar Boundary Conditions for PDE's, SS 2008, FU Berlin

Office Hours / Sprechstunde

• Just stop by or make an appointment by email
• Feel free to ask me also questions about
  • Studying in France or Spain
  • Bachelor/Master/Diploma-theses
• Languages
  • German (mother tongue)
  • English (C2)
  • French (C2)
  • Spanish (C1)
  • Portuguese (Brazilian, B2)
  • Italian (A2)

Publications

Book Contributions

• Schmidt, H. und Klein, R. (2005). Flexible flame structure modelling in a Flame Front Tracking Scheme, Analysis and Numerics for Conservation Laws, Editor G. Warnecke, Springer-Verlag Berlin Heidelberg

Journal Papers

• H. Schmidt, A.R. Kerstein, R. Nédélec, S.E. Wunsch, B.J. Sayler (2011). Analysis and numerical simulation of a laboratory analog of radiatively induced cloud-top entrainment, Theoretical Computational Fluid Dynamics (submitted)

• E. Dietze, J.P. Mellado, B. Stevens, H. Schmidt (2011). Study of low-order numerical effects in the two-dimensional cloud-top mixing layer, Theoretical Computational Fluid Dynamic. (submitted)

• C. Jiménez, H. Schmidt, G. Searby (2011). Unsteady response of hydrogen and methane flames to pressure waves. Part 1: Numerical simulations. Combustion and Flame (submitted)

• J. Quinard, J. Graña-Otero, C. Jiménez, H. Schmidt, G. Searby (2011). Unsteady response of hydrogen and methane flames to pressure waves. Part 2: Experimental measurements. Combustion and Flame (submitted)

• Mellado, J.P., Stevens, B., Schmidt, H., Peters, N. (2010). Probability density functions in the cloud-top mixing layer, New Journal of Physics, 12, 085010.

• Schmidt, H., Jiménez, C. (2010). Numerical study of the direct pressure effect of acoustic waves in planar premixed flames, Combustion and Flame, 157, 1610-1619

• Mellado, J.P., Stevens, B., Schmidt, H., Peters, N. (2010). Two-fluid formulation of the cloud-top mixing layer for direct numerical simulation, Theor. Comput. Fluid Dyn. (2010) 24:511–536, DOI 10.1007/s00162-010-0182-x

• Mellado, J.P., Stevens, B., Schmidt, H., Peters, N. (2009). Buoyancy reversal in cloud-top mixing layers, Quarterly Journal of the Royal Meteorological Society, 135: 963-978, DOI: 10.1002/qj.417

• Moeck, J.P., Oevermann, M., Klein, R., Paschereit, C.O., Schmidt, H. (2009). A two-way coupling for modeling thermoacoustic instabilities in a flat flame Rijke tube, Proc. Combust. Inst. 32, 1199-1207, doi:10.1016/j.proci.2008.05.062

• Oevermann, M., Schmidt, H., and Kerstein, A. R. (2008). HCCI combustion modeling using detailed chemistry coupled to LEM-based advection, Combustion and Flame, 155, 370-379

• Schmidt, H. und Klein, R. (2003). A generalized level-set/in-cell-reconstruction approach for accelerating turbulent premixed flames, Combustion Theory and Modelling, 7, 243-267

Conference Contributions

* C. Glawe, R. Klein, A.R. Kerstein, H. Schmidt Towards the simulation of gravity waves using the One-Dimensional Turbulence model EGU General Assembly 2012, Vienna, Austria (submitted)

* F. Th. Schulz, Ch. Glawe, H. Schmidt, A. R. Kerstein Toward modeling of supercritical CO2 flow using the one-dimensional turbulence model EGU General Assembly 2012, Vienna, Austria (submitted)

* J. P. Mellado, B. Stevens, H. Schmidt Mean shear effects at the cloud-top boundary XXIII ICTAM, 24 August 2012, Beijing, China (submitted)

* Jiménez, C., Schmidt, H., Graña, J., Quinard, J., Searby, G. (2011). Unsteady Response of Premixed Hydrogen and Methane Flames to Pressure Waves. i-MATH Workshop on mathematical modelling of combustion, Santiago de Compostela, Spain

* Mellado, J.P., Stevens, B., Schmidt, H. Peters, N. (2011). New results about the cloud-top entrainment instability, MetStroem Conference on Multiple Scales in Fluid Dynamics and Meteorology, Berlin, Germany

• Schmidt, H., Kerstein, A.R., Nédélec, R., Wunsch, S., Sayler, B. J. (2011). One-dimensional turbulence simulation of a laboratory analog of radiatively induced cloud-top entrainment, MetStroem Conference on Multiple Scales in Fluid Dynamics and Meteorology, Berlin, Germany

• Dietze, E., Schmidt, H., Mellado, J.P., Stevens, B., (2011). LES vs. DNS simulation of a two-dimensional evaporatively driven cloud-top mixing layer, MetStroem Conference on Multiple Scales in Fluid Dynamics and Meteorology, Berlin, Germany

• Schmidt, H., Kerstein, A.R., Nédélec, R., Wunsch, S., Sayler, B. J. (2011) Numerical study of radiatively induced entrainment, J. Phys.: Conf. Ser. 318 072017 doi:10.1088/1742-6596/318/7/072017

• Schmidt, H., Schulz, F., Kerstein, A.R. (2011). Toward modeling of multi-phase flow patterns using a combination of level sets and one-dimensional turbulence, European Geosciences Union General Assembly, 3-8 April, Vienna, Austria (submitted)

• Jiménez, C., Moeck, J., Schmidt, H. (2010). Comparison of transfer functions of acoustically forced planar premixed hydrogen and methane flames, 13th International Conference on Numerical Combustion, April 27-29, 2011, Corfu, Greece

• Dietze, E., Schmidt, H., Mellado, J.P., Stevens, B., (2011). Comparison of LES and DNS results for a two-dimensional evaporatively driven cloud-top mixing layer, European Geosciences Union General Assembly, 3-8 April, Vienna, Austria (submitted)

• Kerstein, A.R., Schmidt, H., Nédélec, R., Wunsch, S., Sayler, B. J. (2010) Analysis and Numerical Simulation of a Laboratory Analog of Radiatively Induced Cloud-Top Entrainment (Invited). AGU Fall Meeting, 13-17 December, San Francisco, California, USA

• Kerstein, A.R., Schmidt, H., Nédélec, R., Wunsch, S., Sayler, B. J. (2010) Analysis and numerical simulation of a laboratory analog of radiatively induced cloud-top entrainment, 63rd Annual Meeting of the APS Division of Fluid Dynamics, Long Beach, CA, USA

• Schmidt, H., Kerstein, A.R. (2010). Towards a multiscale strategy for modeling high-pressure flow of carbon dioxide for sequestration, Geoenergy 2010, Potsdam, Germany

• Jiménez, C., Schmidt, H. (2010). Numerical study of the response of OH* chemiluminescence in planar premixed flames to acoustic forcing, SPEIC10: Towards Sustainable Combustion, Tenerife, Spain

• Kumar, S. Stevens, B., Schmidt, H., Mellado, J.P. (2010). Sensitivity of the ECHAM6 Single Column Model to Vertical Resolution and Implementation of the Level Set Method

• Dietze, E., Stevens, B., Mellado, J.P., Peters, N., Schmidt, H., (2010). Level set methods for meteorological multi scale problems, European Geosciences Union General Assembly, Vienna, Austria

• Nédelec, R., Schmidt, H., Wunsch, S., Sayler, B.J., Kerstein, A.R. (2010). Comparison of Entrainment Rates from a Tank Experiment with Results Using the One-Dimensional-Turbulence Model, European Geosciences Union General Assembly, Vienna, Austria (submitted)

• Jiménez, C. and Schmidt, H. (2009). Numerical simulation of the response of planar flames to acoustic waves, Tercera Reunión de la Sección Española del Instituto de Combustión, Valladolid, Spain

• Schmidt, H., Mellado, J.P., Peters, N., Kerstein, A.R., and Stevens, B. (2009). Numerical study of buoyancy reversal in stably stratified flows, European Geosciences Union General Assembly, Vienna, Austria

• Mellado, J.P., Stevens, B., Schmidt, H., Peters, N. (2009). Buoyancy reversal in the cloud-top mixing layer, 4th IMS Turbulence Workshop, Imperial College, London (invited)

• Mellado, J.P., Schmidt, H., Stevens, B., Peters, N. (2009). DNS of the turbulent cloud-top mixing layer, 12thEUROMECH European Turbulence Conference, Marburg, Germany

• Schmidt, H. and Jiménez, C. (2009). Unsteady response of premixed flames to acoustic pressure pulses under variation of the complexity of the reaction mechanism, Fourth European Combustion Meeting (ECM2009), Vienna, Austria

* Mellado, J.P., Schmidt, H., Stevens, B, and Peters, N. (2009). Analysis of the cloud top mixing layer using DNS, Sixth International Symposium on Turbulence and Shear Flow Phenomena Seoul National University, Seoul, Korea, June 22-44, 2009 Ed. N. Kasagi, J.K. Eaton, R. Friedrich, J.A.C. Humphrey, A.V.Johansson, H.J.Sung

• Schmidt, H., Mellado, J.P., Peters, N., and Stevens, B. (2008). Towards a modular superparameterization for Stratocumulus clouds considering unsteady entrainment, 4th PAN-GCSS Meeting on "Advances in Modeling and Observing Clouds and Convection", Toulouse, France

• Schmidt, H., Oevermann, M., and Kerstein, A. R. (2008). A priori Tabulation of Turbulent Strained Flames using a combination of FGM and LEM, DNS and LES of Reacting Flows, Eindhoven, The Netherlands

• Schmidt, H., Oevermann, M., and Kerstein, A. R. (2008). Investigation of the FGM Method under various Turbulent Flame Roll Up/Collision Scenarios, DNS and LES of Reacting Flows, Eindhoven, The Netherlands

• Oevermann, M., Schmidt, H., and Kerstein, A. R. (2008). Linear-eddy modeling of iso-octane autoignition under HCCI conditions, DNS and LES of Reacting Flows, Eindhoven, The Netherlands

• Schmidt, H., Mellado, J.P., Peters, N., and Stevens, B. (2008). Towards modular front tracking for Stratocumulus clouds considering unsteady entrainment processes, European Geosciences Union General Assembly, Vienna, Austria

• Schmidt, H., Oevermann, M., and Kerstein A.R. (2008). Comparison of an a priori tabulation method for turbulent flame speeds with DNS and algebraic models. 12th SIAM International Conference on Numerical Combustion, Monterey, USA

• Oevermann, M., Schmidt, H., and Kerstein A.R. (2008). Linear eddy modeling of n-heptane combustion in HCCI engines. 12th SIAM International Conference on Numerical Combustion, Monterey, USA

• Oevermann, M., Schmidt, H. und Kerstein, A. R. (2007). HCCI combustion modeling using LEM-based advection, Proc. of the 21th Intl. Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS), Poitiers, France

• Schmidt, H., Bastiaans, R.J.M., Oevermann, M., and Kerstein A.R. (2007). Tabulation of turbulent burning rates via a combination of LEM and Tabulated Chemistry, in:Eccomas Combustion CFD, The Netherlands

• Oevermann, M., Schmidt, H. und Kerstein, A. R. (2007). Linear Eddy Modelling of Auto-Ignition under Thermal Stratification with Application to HCCI Engines, Third European Combustion Meeting (ECM2007), Chania, Crete

• Schmidt, H., Veynante, D., and Klein, R. (2007). A Modular Two Scale Capturing/Tracking Scheme for Turbulent Premixed Flames, Proc. of the 21th Intl. Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS), Poitiers, France

• Moeck, J., Schmidt, H., Oevermann, M., Paschereit, O. C., and Klein, R. (2007). An asymptotically motivated hydrodynamic-acoustic two-way coupling for modeling thermoacoustic instabilities in a Rijke tube, Fourteenth International Congress on Sound and Vibration (ICSV14), ISBN 978 0 7334 2516 5, No. 121, 1-9, Cairns, Australia

• Schmidt, H., Oevermann, M., Münch, M. and Klein, R. (2006). Flame front capturing/tracking schemes for compressible and incompressible reactive flow, in: Proc. of the European Conference on Computational Fluid Dynamics (ECCOMAS CFD), P. Wesseling, E. Oñate and J. Périaux (Eds), ISBN: 90-9020970-0, 1-20, copyright TU Delft, The Netherlands

• Münch, M.; Schmidt, H.; Oevermann, M.; Klein, R. (2006). Numerical Investigation of the Baroclinic Torque in the Context of Smoke Spread, Book of Abstracts, 31th Int. Symp. on Combustion, Aug 6-11, Heidelberg, The Combustion Institute

• Schmidt, H.; Oevermann, M.; Münch, M.; Klein, R. (2006). Flame Front Capturing/Tracking Methods for Zero Mach Number Combustion, Book of Abstracts, in: 31th Int. Symp. on Combustion, Aug 6-11, Heidelberg, The Combustion Institute

• Schmidt, H. und Klein, R. (2006). Extension of a Front Capturing/Tracking Scheme for Premixed Flames to a Novel Type of Two Scale Turbulence Modelling, 11th SIAM International Conference on Numerical Combustion, Granada, Spain

• Schmidt, H., Oevermann, M., Münch, M. und Klein, R. (2006). A Zero Mach Number Projection Method Coupled To External Acoustics, 77th Annual Meeting of the Gesellschaft für Angewandte Mathematik und Mechanik e.V.

• Schmidt, H. und Klein, R. (2002). A generalized level-set/in-cell-reconstruction method for accelerating turbulent premixed flames, Proc. of the 9th SIAM International Conference on Numerical Combustion, Sorrento, Italy

* Schmidt, H. und Klein, R. (2001). Towards a generalized Level-Set/In-Cell Reconstruction Approach for Accelerating Turbulent Premixed Flames, Proc. of the 18th Intl. Colloquium on the Dynamics of Explosions and Reactive Systems (ICDERS), No. 116, 1-5, Seattle, USA

• Münch, M. and Schmidt, H. and Klein, R. (1999) Tracking Flame Fronts with Dynamic Internal Structure. Modelling of reaction fronts at the interface of mathematics physics and chemistry. Technical Report. Universite Claude Bernard, Lyon, France.

Research Reports and Scientific Qualifications

• Schmidt, H., Jiménez, C. (2009). Numerical study of the direct pressure effect of acoustic waves in planar premixed flames, ZIB Report (09-31), Zuse Institute Berlin, Germany

• Schmidt, H., Bastiaans, R.J.M., Oevermann, M., and Kerstein A.R. (2009). A priori Tabulation of Turbulent Flame Speeds via a Combination of a Stochastic Mixing Model and Flamelet Generated Manifolds, Extended to Incorporate Strain Effects, ZIB Report 09-09, Zuse Institute Berlin, Germany

• Mellado, J.P., Stevens, B., Schmidt, H., Peters, N. (2008). Buoyancy-reversal in cloud-top mixing layers, ZIB Report 08-50, Zuse Institute Berlin, Germany

• Carqué, G., Schmidt, H., Stevens, B., and Klein, R. (2008). Plausibility check of an asymptotic deep convective column model, ZIB Report 08-44, Zuse Institute Berlin, Germany

• Oevermann, M., Schmidt, H., and Kerstein, A. R. (2008). HCCI combustion modeling using detailed chemistry coupled to LEM-based advection, ZIB Report 08-05, Zuse Institute Berlin, Germany

• Schmidt, H., Bastiaans, R.J.M., Oevermann, M., and Kerstein A.R. (2008). Tabulation of turbulent burning rates via a combination of a stochastic mixing model and tabulated chemistry, ZIB Report 08-02, Zuse Institute Berlin, Germany

• Schmidt, Heiko (2005). Numerische Methoden für vorgemischte turbulente Verbrennung: Ein hybrides "LES-Tracking-Verfahren" für Vormischflammen unter Berücksichtigung instationärer Frontstrukturen, Report: SCHM 1682/1-1 (DFG-Forschungsstipendium), Ecole Centrale de Paris, France

• Schmidt, Heiko, (2002). Ein numerisches Verfahren zur Verfolgung von Vormischflammen unter Berücksichtigung instationärer Frontstrukturen, Dissertation, Gerhard-Mercator Universität Duisburg, Deutschland

Unpublished

• Jiménez, C., Schmidt, H. (2009). Numerical simulation of OH* chemiluminescence in acoustically forced planar premixed flames

• Klein, R. and Schmidt, H. and Carqué, G. and Münch, M. and Oevermann, M. (2005) Mehrskalen-asymptotische Verfahren zur Kontrolle thermoakustischer Prozesse in Brennkammern. In: SFB 557, Teilprojekt B8, 17. März 2005, Berlin. (Unpublished)

Projects

• CO2 Transport and Sequestration: BMBF initiative GeoEn
  

• Cloud Modelling: MetStröm, DFG Schwerpunktprogramm 1276
  

• Thermoacoustics: SFB 557, B8
  

• Turbulent mixing of pollutants in the atmospheric boundary layer
  

• Simulation of combustion in homogeneous charge compression ignition (HCCI) engines
  

Poster

• SFB 557, B8, 3rd Phase, 2007
  

• SFB 557, B8, 4th Phase, 2007
  

• Toulouse Meeting, 2008
  

• MetStroem Meeting, Berlin, 2009
  

Files

Talks (invited)

• Institute for Pure & Applied Mathematics (IPAM), Simulation Hierarchies for Climate Modeling, Los Angeles, May 2010
  
• Ecole Normale Supérieure (ENS) de Lyon, Frontiers in Computational Astrophysics, October 2010
  

Pictures and Movies

Comments

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