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Home / About us / Personal Pages / Miroslav Sejna

Miroslav Šejna

Miroslav Šejna Founder and director of PC-Progress
PC-Progress s.r.o.
Korunni 108a, Prague 101 00
Czech Republic
Tel. +420-222-514-225
e-mail: m.sejna@pc-progress.com

Academic Degrees:

  • Ph.D. 1996, Czech Academy of Sciences, Prague, Czech Republic.
  • M.S. 1985, Charles University of Prague, Faculty of Mathematics and Physics, Prague, Czechoslovakia.
  • B.S. 1984, Charles University of Prague, Faculty of Mathematics and Physics, Prague, Czechoslovakia.

Specialization

  • Development of Graphical User Interfaces for CFD/FEA Applications for Windows
  • Mesh Generators (Meshgen, Genex, T3D, Netgen, SnappyHexMesh, ...)
  • Digital Topology, Voxelization, Mesh and Topology Simplification, ...
  • Programming languages: C++, Fortran
  • C++ libraries: MFC, STL, Boost, Eigen, VTK, OpenCascade, ...

Selected Positions and Software Projects

PC-Progress (1996 - Present)

  • Position: Founder and Director of PC-Progress, Software Developer.
  • Selected Projects:
    • RWIND Simulation (2017 - Present)
      Software for numerical simulations of wind flow (digital wind tunnel).
    • HYDRUS 2D/3D (1994 - Present)
      Software package for simulating water, heat, and solute transport in variably saturated porous media.
    • COCHEM Flow (1993 - 2000)
      Software package simulating 2D flow of water steam with homogeneous and heterogeneous condensation.

Dlubal Software (1995 - 2011)

  • Position: Chief programmer and software architect.
  • Selected Projects:
    • RFEM versions 1-5, (1997 - 2011) - Software Package for Structural Analysis and Design.
    • RSTAB versions 5-8, (1995 - 2011) - Structural Analysis Program for Planar and Spatial Frameworks.

University of California, Riverside, USA (1994 - 2005)

  • Department: US Salinity Laboratory
  • Position: Visiting Researcher, Software Developer.
  • Selected Projects:
    • Hydrus-1D - Program for analysis of water flow and solute transport in variably saturated porous media.
    • STANMOD - STudio of ANalytical MODels for evaluating solute transport in porous media using analytical solutions of the convection-dispersion solute transport equation.
    • RETC - Program for analysis of the soil water retention and hydraulic conductivity functions of unsaturated soils.

List of Publications - I. Regular Papers:

  1. Šimůnek, J., M. Šejna, and M. Th. van Genuchten, New Features of the Version 3 of the HYDRUS (2D/3D) Computer Software Package, Journal of Hydrology and Hydromechanics, 66(2), 133-142, doi: 10.1515/johh-2017-0050, 2018.
  2. Šimůnek, J., M. Th. van Genuchten, and M. Šejna, Recent developments and applications of the HYDRUS computer software packages, Vadose Zone Journal, 15(8), pp. 25, doi: 10.2136/vzj2016.04.0033, 2016.
  3. Šimůnek, J., D. Jacques, G. Langergraber, S. A. Bradford, M. Šejna, and M. Th. van Genuchten, Numerical modeling of contaminant transport with HYDRUS and its specialized modules, Invited paper for the Special Issue "Water Management in Changing Environment", Editor M. S. Mohan Kumar, Journal of the Indian Institute of Science, 93(2) 265-284, ISSN: 0970-4140 Coden-JIISAD, 2013.
  4. Šimůnek, J., M. Šejna, D. Jacques, G. Langergraber, S. A. Bradford, and M. Th. van Genuchten, New features of the HYDRUS computer software packages, In: Šimůnek, J., M. Th. van Genuchten, and R. Kodešová (eds.), Proc. of the 4th International Conference "HYDRUS Software Applications to Subsurface Flow and Contaminant Transport Problems", Invited paper, March 21-22, 2013, Dept. of Soil Science and Geology, Czech University of Life Sciences, Prague, Czech Republic, ISBN: 978-80-213-2380-3, pp. 17-26, 2013. (pdf)
  5. Šimůnek, J., D. Jacques, and M. Šejna, HP2/3: Extensions of the HP1 reactive transport code to two and three dimensions, In: Šimůnek, J., M. Th. van Genuchten, and R. Kodešová (eds.), Proc. of the 4th International Conference "HYDRUS Software Applications to Subsurface Flow and Contaminant Transport Problems", March 21-22, 2013, Dept. of Soil Science and Geology, Czech University of Life Sciences, Prague, Czech Republic, ISBN: 978-80-213-2380-3, pp. 345-354, 2013. (pdf)
  6. van Genuchten, M. Th., J. Šimůnek, F. L. Leij, N. Toride, and M. Šejna, STANMOD: Model use, calibration and validation, special issue Standard/Engineering Procedures for Model Calibration and Validation, Transactions of the ASABE, 5(4), 1353-1366, 2012.
  7. Šimůnek, J., M. Th. van Genuchten, and M. Šejna, HYDRUS: Model use, calibration and validation, Special issue on Standard/Engineering Procedures for Model Calibration and Validation, Transactions of the ASABE, 55(4), 1261-1274, 2012.
  8. Šimůnek, J., M. Th. van Genuchten, and M. Šejna, Development and applications of the HYDRUS and STANMOD software packages and related codes Vadose Zone Journal, doi:10.2136/VZJ2007.0077, Special Issue “Vadose Zone Modeling”, 7(2), 587-600, 2008.
  9. Šimůnek, J. J. M. Köhne, R. Kodešová, and M. Šejna, Simulating nonequilibrium movement of water, solutes, and particles using HYDRUS: A review of recent applications, Soil and Water Research, 3(Special Issue 1), S42-S51, 2008.
  10. Šimůnek, J., M. Šejna, and M. Th. van Genuchten, New Features and New Developments in HYDRUS Software Packages, In: Saito, H., M. Sakai, N. Toride, and J. Šimůnek, (eds.), Proc. of The Third HYDRUS Workshop, June 28, 2008, Dept. of Ecoregion Science, Tokyo University of Agriculture & Technology, Fuchu Tokyo, Japan, ISBN: 978-4-9901192-5-6, pp. 3-14, 2008.
  11. Šimůnek, J., M. Šejna, and M. Th. van Genuchten, New Features and New Developments in HYDRUS Software Packages, In: J. Šimůnek and R. Kodešová (eds.), Proc. of The Second HYDRUS Workshop, March 28, 2008, ISBN: 978-80-213-1783-3, Dept. of Soil Science and Geology, Czech University of Life Sciences, Prague, Czech Republic, pp. 3-12, 2008.
  12. Šimůnek, J., M. Th. van Genuchten, and M. Šejna, Modeling Subsurface Water Flow and Solute Transport with HYDRUS and Related Numerical Software Packages, In: Garcia-Navarro & Playán (eds.), Numerical Modelling of Hydrodynamics for Water Resources, An International Workshop, Centro Politecnico Superior, University of Zaragoza Spain, June 18-21 2007. Taylor & Francis Group, London, ISBN 978-0-415-44056-1, 95-114, 2007.
  13. Stastny M., Sejna M.: The Effects of Steam Chemistry on Condensation Process. Power Plant Chemistry, Germany, (2005 - in print)
  14. Stastny M., Sejna M.: The effect of expansion rate on the steam flow with hetero-homogeneous condensation in nozzles. Journal of Power and Energy, Proceedings of the Institution of Mechanical Engineers, London, (2005 - in print)
  15. Stastny M., Sejna M.: The effect of expansion rate on the steam flow with hetero-homogeneous condensation in nozzles. Proceedings of 6th European Conference on Turbomachinery - Fluid Dynamics and Thermodynamics, Lille, France (2005).
  16. Stastny M., Sejna M.: Numerical Simulation of the Steam Flow with Condensation in a Nozzle. Proceedings of 14th International Conference on the Properties of Water and Steam, Kyoto, Japan (2004).
  17. Stastny M., Sejna M.: Two-Population Numerical Model of Hetero-homogeneous Condensation of the Steam Flowing in Turbine Cascades. Proceedings of 4th European Conference on Turbomachinery - Fluid Dynamics and Thermodynamics, pp. 803 – 812, Firenze, Italy (2001).
  18. Stastny M., Sejna M.: Numerical Model of the Flow with Condensation of the Steam Containing Impurities. Proceedings of Second IMACS Conference on Mathematical Modelling and Computational Methods in Mechanics, Physics, Biomechanics and Geodynamics, University of West Bohemia, 25-29, (2001).
  19. Stastny M., Sejna M.: Analysis of Heterohomogeneous Condensation of the Steam Flowing in a Turbine Cascade by Numerical Two-Population Model. Power Plant Chemistry, Vol.2, No.9, s.542 – 546, Germany, (2000).
  20. Stastny M., Dooley R.B., Jonas O. and Sejna M.: Heterohomogeneous Condensation of Steam Flowing through a Turbine Cascade. Proceedings of the 13th International Conference on the Properties of Water and Steam, p. 918 –925, NRC Research Press, Ottawa, Kanada, (2000).
  21. Stastny M., Sejna M.: Numerical Analysis of Heterohomogeneous Condensation of the Steam Flowing in Turbine Cascade. IMechE Conference Transactions, Third European Conference on Turbomachinery-FluidDynamics and Thermodynamics, March 2-5, London, Volume B, Paper C557/082/99, 815–826, London UK (1999).
  22. Simunek, J., K. Huang, M. Sejna, M. Th. van Genuchten, J. Majerçák, V. Novak, and J. Sutor, The HYDRUS-ET Software Package for Simulating the One-Dimensional Movement of Water, Heat and Multiple Solutes in Variably-Saturated Media. Version 1.1. Institute of Hydrology, Slovak Academy of Sciences, Bratislava, Slovakia, 184 p., 1997
  23. Stastny M., Dooley R.B., Jonas O. and Sejna M.: Behaviour of chemicals in the steam flow through phase transition zone of turbines and its mathematical modelling, Proc. Workshop on Fiftth International Conference on Chemistry in Fossil Plants, June 10-12, Charlotte, NC, USA, 1997.
  24. Stastný M., Jonas O., Sejna M.: Numerical Analysis of the flow with condensation and chemicals in steam in a turbine cascade, Proceedings of the EPRI Workshop, 24.10. - 26.10.1995, Rochester, USA, 1996.
  25. Damasková, H., Simunek, J., and M. Sejna, Modeling nitrate transport under transient flow conditions, In: ModelCARE'96: Poster session volume, Intern. Conf. on Calibration and Reliability in Groundwater Modelling, Ed. P. van der Heijde, K Kovar, and L. Konikow, Intern. Ground Water Modeling Center, Golden, CO, 61-70, 1996.
  26. Stastný M., Sejna M.: Condensation Effects in Transonic Flow through Turbine Cascade, Proceedings of the 12-th International Conference of the Properties of Water and Steam, New York, Begel House, 711-719, 1995.
  27. Simunek, J., D. L. Suarez, and M. Sejna, An Interactive graphics-based user interface for the UNSATCHEM model, Proc. Workshop on Computer Applications in Water Management, Information Series No 79, Ed. L. Ahuja, J. Leppert, K. Rojas, and E. Seely, Colorado Water Resour. Res. Institute, Fort Collins, CO, 280-282, 1995.
  28. Simunek, J., M. Sejna, and M. Th. van Genuchten, An Interactive graphics-based user interface for the SWMS_2D code, Proc. Workshop on Computer Applications in Water Management, Information Series No 79, Ed. L. Ahuja, J. Leppert, K. Rojas, and E. Seely, Colorado Water Resour. Res. Institute, Fort Collins, CO, 271-273, 1995.
  29. Suarez, D. L., J. Simunek, and M. Sejna, Using UNSATCHEM with user-friendly interface as a water management tool, Proc. Workshop on Computer Applications in Water Management, Information Series No 79, Ed. L. Ahuja, J. Leppert, K. Rojas, and E. Seely, Colorado Water Resour. Res. Institute, Fort Collins, CO, 162-166, 1995.
  30. Simunek, J., M. Sejna, M. Th. van Genuchten, and D. L. Suarez, The SWMS_2D code with a user-friendly interface in a Windows environment, Proc. Workshop on Computer Applications in Water Management, Information Series No 79, Ed. L. Ahuja, J. Leppert, K. Rojas, and E. Seely, Colorado Water Resour. Res. Institute, Fort Collins, CO, 157-161, 1995.
  31. Sejna M., Lain J.: Numerical Modelling of Wet Steam Flow with Homogeneous Condensation on Unstructured Triangular Meshes, ZAMM (Z.angew.Math.Mech.) 74, 5, T375-T378, 1994.
  32. Sejna M.: Numerical Modelling of Unsteady Wet Steam Flow, ZAMM (Z.angew.Math.Mech.) 73, 6, T578-T581, 1993.

List of Publications - II. Abstracts:

  1. Šimůnek, J., M. Šejna, D. Jacques, G. Langergraber, S. A. Bradford, and M. Th. van Genuchten, Numerical Modeling of Vadose Zone Processes using HYDRUS and its Specialized Modules, AF0268, The 20th World Congress of Soil Science, Jeju, Korea, June 8-13, 2014.
  2. Šimůnek, J., M. Šejna, D. Jacques, G. Langergraber, S. A. Bradford, and M. Th. van Genuchten, Numerical Modeling of Vadose Zone Processes (with focus on the latest HYDRUS Software Packages), Invited presentation, Abstract ID: 222944, Geological Society of America (GSA) Annual Meeting, Abstracts with Programs, 45(7), p. 416, Denver, CO, October 27-30, 2013.
  3. Šimůnek, J., and M. Šejna, Rien’s many contributions to vadose zone research, and to numerical modeling of water flow and solute transport in soils, Invited presentation, 5th International Conference on Porous Media & Annual Meeting of InterPore Society, May 21-24, Prague, Czech Republic, 2013.
  4. Šimůnek, J., M. Šejna, D. Jacques, G. Langergraber, and M. Th. van Genuchten, Development and applications of the HYDRUS software since the last HYDRUS workshop, invited presentation, The 4th International Conference "HYDRUS Software Applications to Subsurface Flow and Contaminant Transport Problems", March 21-22, 2013, Dept. of Soil Science and Geology, Czech University of Life Sciences, Prague, Czech Republic, Book of Abstracts edited by J. Šimůnek and R. Kodešová, ISBN: 978-80-213-2368-1, pp. 12, 2013.
  5. Šimůnek, J., D. Jacques, and M. Šejna, New developments in the HPx reactive transport code: Extension to two dimensional flow and transport problems, The 4th International Conference "HYDRUS Software Applications to Subsurface Flow and Contaminant Transport Problems", March 21-22, 2013, Dept. of Soil Science and Geology, Czech University of Life Sciences, Prague, Czech Republic, Book of Abstracts edited by J. Šimůnek and R. Kodešová, ISBN: 978-80-213-2368-1, pp. 63, 2013.
  6. Šimůnek, J., M. Šejna, D. Jacques, G. Langergraber, S. A. Bradford, and M. Th. van Genuchten, New Hydrus modules for simulating preferential flow, colloid-facilitated contaminant transport, and various biogeochemical processes in soils, Geographical Research Abstracts, 14, EGU2012-3900, EGU General Assembly, Vienna, Austria, April 23-27, 2012.
  7. Šimůnek, J., M. Šejna, D. Jacques, G. Langergraber, S. A. Bradford, and M. Th. van Genuchten, New Hydrus modules for simulating preferential flow, colloid-facilitated contaminant transport, and various biogeochemical processes in soils, Abstract ID: 71228, SSSA Annual Meeting, Cincinnati, Ohio, October 21-24, 2012.
  8. Šimůnek, J., M. Šejna, D. Jacques, G. Langergraber, S. A. Bradford, and M. Th. van Genuchten, New Hydrus modules for simulating preferential flow, colloid-facilitated contaminant transport, and various biogeochemical processes in soils, Abstract ID: 72745, invited presentation in the Symposium "Modeling Hydrologic Processes in Soils and Landscapes", SSSA Annual Meeting, Cincinnati, Ohio, October 21-24, 2012.
  9. Brodský, L., R. Kodešová, K. Spazierová, J. Šimůnek, and M. Šejna, FLOREO – a system for flash flood monitoring and forecasting in the Czech Republic, Geophysical Research Abstracts, Vol. 13, EGU2011-5082, 2011, EGU General Assembly, Vienna, Austria, April 3-9, 2011.
  10. Šimůnek, J., M. Šejna, M. Kandelous, N. Lazarovitch, and M. Th. van Genuchten, Special boundary conditions in HYDRUS (2D/3D) for irrigation systems, SSSA Annual Meeting, 342-8, San Antonio, TX, October 17-19, 2011.
  11. Šimůnek, J., M. Th. van Genuchten, and M. Šejna, Modeling nonequilibrium and preferential flow and transport with HYDRUS, Soil Science Society America annual meeting, Agronomy Abstracts, published on a CD-ROM as abstract 783-3, ASA, Madison, 2008.
  12. Šimůnek, J., M. Th. van Genuchten, and M. Šejna, Modeling nonequilibrium and preferential flow and transport with HYDRUS, Invited presentation, Geophysical Research Abstracts, Vol. 10, EGU2008-A-01730, 2008, SRef-ID: 1607-7962/gra/EGU2008-A-01730, EGU General Assembly 2008.
  13. Šimůnek, J., M. Šejna, and M. Th. van Genuchten, New Features and New Developments in HYDRUS Software Packages, The Second HYDRUS Workshop, March 28, 2008, Dept. of Soil Science and Geology, Czech University of Life Sciences, Prague, Czech Republic, pp. 6, 2008.
  14. Simůnek, J., M. Th. van Genuchten, M. Sejna, N. Toride, and F. J. Leij, The STANMOD computer software for evaluating solute transport in porous media using analytical solutions of convection-dispersion equation, Agronomy Abstracts, 418, ASA, Madison, WI, 2000.
  15. Simunek, J., Sejna M, and M. Th. van Genuchten, The Hydrus-1D and Hydrus-2D codes for estimating unsaturated soil hydraulic and solute transport parameters, Agronomy Abstracts, ASA, Madison, WI, 1999.
  16. Simunek, J., M. Th. van Genuchten, and Sejna M., The Hydrus-1D and Hydrus-2D software packages and their use for estimating unsaturated soil hydraulic and solute transport parameters, Annales Geophysicae Supplement, European Geophysical Society, 1999.
  17. Simunek, J., M. Th. van Genuchten, and Sejna M, The Hydrus-1D software package for simulating the one-dimensional movement of water, heat, and multiple solutes in variably-saturated media, Program and Abstracts of the International Workshop Characterization and Measurement of the Hydraulic Properties of Unsaturated Porous Media, US Salinity Laboratory, USDA, ARS Riverside, CA, p. 153, 1997.
  18. Simunek, J., Sejna M, and M. Th. van Genuchten, User-friendly interface for Hydrus-1D code in Windows environment, Agronomy Abstracts, 59, ASA, Madison, WI, 1997.
  19. Simunek, J., M. Th. van Genuchten, and Sejna M, User-friendly interface for Hydrus-1D code in Windows environment, Annales Geophysicae Supplement II to Vo. 15, European Geophysical Society, C263, 1997.
  20. Damašková, H., J. Simunek, and Sejna M, Modeling soil water and nitrate movement in the small catchment, Annales Geophysicae, Supplement II to Vo. 14, European Geophysical Society, C378, 1996.
  21. Simunek, J., M. Th. van Genuchten, and Sejna M, User-friendly interface for Hydrus-2D code in Windows environment, Annales Geophysicae, Supplement to Vo. 14, European Geophysical Society, C327, 1996.
  22. Simunek, J., D. L. Suarez, and Sejna M, User-friendly interface for the UNSATCHEM code in Windows environment, Agronomy Abstracts, 64, ASA, Madison, WI, 1995.
  23. Suarez, D. L., J. Simunek, and Sejna M, UNSATCHEM-2D code for multicomponent solute transport of major ions and its user-friendly interface, Agron. Abstracts, 97, ASA, Madison, WI, 1994.
  24. Simunek, J., Sejna M, and M. Th. van Genuchten, User-friendly interface for SWMS_2D code in Windows environment, Agronomy Abstracts, 97, ASA, Madison, WI, 1994.
  25. Sejna, M., J. Simunek, D. L. Suarez, and M. Th. van Genuchten, Unstructured mesh generation and its application in models of two-dimensional transport processes, Agronomy Abstracts, 97, ASA, Madison, WI, 1994.

List of Publications - III. Research Reports:

  1. Šimůnek, J., D. Jacques, M. Šejna, and M. Th. van Genuchten, The HP2 Program for HYDRUS (2D/3D): A Coupled Code for Simulating Two-Dimensional Variably-Saturated Water Flow, Heat Transport, and Biogeochemistry in Porous Media, Version 1.0, PC Progress, Prague, Czech Republic, 78 pp., 2012. (pdf 2.0MB)
  2. Šimůnek, J., D. Jacques, M. Šejna, and M. Th. van Genuchten, The HP2 Program for HYDRUS (2D/3D): A Coupled Code for Simulating Two-Dimensional Variably-Saturated Water Flow, Heat Transport, and Biogeochemistry in Porous Media, Version 1.0, PC Progress, Prague, Czech Republic, 78 pp., 2012. (pdf 2.0MB)
  3. Šimůnek, J., M. Šejna, and M. Th. van Genuchten, The C-Ride Module for HYDRUS (2D/3D) Simulating Two-Dimensional Colloid-Facilitated Solute Transport in Variably-Saturated Porous Media, Version 1.0, PC Progress, Prague, Czech Republic, 45 pp., 2012. (pdf 0.75MB)
  4. Šimůnek, J., M. Šejna, and M. Th. van Genuchten, The UNSATCHEM Module for HYDRUS (2D/3D) Simulating Two-Dimensional Movement of and Reactions Between Major Ions in Soils, Version 1.0, PC Progress, Prague, Czech Republic, 54 pp., 2012. (pdf 1.1MB)
  5. Šimůnek, J., M. Šejna, and M. Th. van Genuchten, The DualPerm Module for HYDRUS (2D/3D) Simulating Two-Dimensional Water Movement and Solute Transport in Dual-Permeability Porous Media, Version 1.0, PC Progress, Prague, Czech Republic, 32 pp., 2012. (pdf 0.6MB)
  6. Šimůnek, J., M. Th. van Genuchten, and M. Šejna, The HYDRUS Software Package for Simulating Two- and Three-Dimensional Movement of Water, Heat, and Multiple Solutes in Variably-Saturated Media, Technical Manual, Version 2.0, PC Progress, Prague, Czech Republic, pp. 258, 2011. (PDF 3.6MB)
  7. Šejna, M., J. Šimůnek, and M. Th. van Genuchten, The HYDRUS Software Package for Simulating Two- and Three-Dimensional Movement of Water, Heat, and Multiple Solutes in Variably-Saturated Media, User Manual, Version 2.0, PC Progress, Prague, Czech Republic, pp. 280, 2011. (PDF 7.4MB)
  8. Šimůnek, J., M. Šejna, H. Saito, M. Sakai, and M. Th. van Genuchten, The Hydrus-1D Software Package for Simulating the Movement of Water, Heat, and Multiple Solutes in Variably Saturated Media, Version 4.0, HYDRUS Software Series 3, Department of Environmental Sciences, University of California Riverside, Riverside, California, USA, pp. 315, 2008.
  9. Šimůnek, J., M. Th. van Genuchten, and M. Šejna, The HYDRUS Software Package for Simulating Two- and Three-Dimensional Movement of Water, Heat, and Multiple Solutes in Variably-Saturated Media, Technical Manual, Version 1.0, PC Progress, Prague, Czech Republic, pp. 241, 2006.
  10. Šimůnek, J., M. Šejna, and M. Th. van Genuchten, The HYDRUS Software Package for Simulating Two- and Three-Dimensional Movement of Water, Heat, and Multiple Solutes in Variably-Saturated Media, User Manual, Version 1.0, PC Progress, Prague, Czech Republic, pp. 161, 2006.
  11. Simunek, J., M. Th. van Genuchten, and M. Sejna, The Hydrus-1D Software Package for Simulating the One-Dimensional Movement of Water, Heat and Multiple Solutes in Variably-Saturated Media. Version 3.0. HYDRUS Software Series 1, Department of Environmental Sciences, University of California, Riverside, 240 p., 2005
  12. Šejna M.: Numerické simulace proudění páry v energetických zařízeních. Výzkumná zpráva. Západočeská Univerzita v Plzni, 2003
  13. Šejna M.: Numerické simulace proudění páry v energetických zařízeních. Výzkumná zpráva. Západočeská Univerzita v Plzni, 2002
  14. Šejna M.: Numerické simulace proudění páry v energetických zařízeních. Výzkumná zpráva. Západočeská Univerzita v Plzni, 2001
  15. Simunek, J., M. Th. van Genuchten, M. Sejna, N. Toride, and F. J. Leij, The STANMOD software package for evaluating solute transport in porous media using analytical solutions of the convection-dispersion equation. Version 1.0. IGWMC-TPS-71, Int. Ground Water Modeling Center, Colorado School of Mines, Golden, CO, 32 p.,1999.
  16. Simunek, J., Sejna M, and M. Th. van Genuchten, The Hydrus-2D software package for simulating two-dimensional movement of water, heat, and multiple solutes in variably saturated media. Version 2.0. IGWMC - TPS - ??, International Ground Water Modeling Center, Colorado School of Mines, Golden, Colorado, 251pp., 1999.
  17. Simunek, J., K. Huang, Sejna M, and M. Th. van Genuchten, The Hydrus-1D software package for simulating the one-dimensional movement of water, heat, and multiple solutes in variably-saturated media. Version 1.0. IGWMC - TPS - 70, International Ground Water Modeling Center, Colorado School of Mines, Golden, Colorado, 186pp., 1998.
  18. Simunek, J., D. L. Suarez, and Sejna M, The UNSATCHEM software package for simulating one-dimensional variably saturated water flow, heat transport, carbon dioxide production and transport, and multicomponent solute transport with major ion equilibrium and kinetic chemistry, Version 2.0, Research Report No. 141, U.S. Salinity Laboratory, USDA, ARS, Riverside, California, 186pp., 1996.
  19. Simunek, J., Sejna M, and M. Th. van Genuchten, The Hydrus-2D software package for simulating water flow and solute transport in two-dimensional variably saturated media. Version 1.0. IGWMC - TPS - 53, International Ground Water Modeling Center, Colorado School of Mines, Golden, Colorado, 167pp., 1996.
  20. Šejna M.: Numerické řešení 2D stlačitelného nevazkého dvoufázového proudění při pou_ití nestrukturované sítě a TVD schémat. Výzkumná zpráva SVÚSS Běchovice č. 92-04008, 1992
  21. Šejna M.: Numerické modelování 2-dimenzionálního nestacionárního stlačitelného proudění mokré páry se spontánní kondenzací. Výzkumná zpráva SVÚSS Běchovice č. 91-04010, 1991
  22. Šejna M.: Numerické řešení 1-dimensionálního dvoufázového prudění mokré páry v Lavalově dýze. Výzkumná zpráva SVÚSS Běchovice č. 90-04019, 1990
  23. Šejna M, Kozel K.: Řešení stacionárního transsonického proudění metodou ustalování při u_ití modelu Eulerových rovnic a Runge-Kuttovy metody. Výzkumná zpráva SVÚSS Běchovice č. 88-04024, 1988

List of Publications - IV. Miscellaneous:

  1. Šejna M.: Numerické modelování dvoufázového proudění vodní páry s homogenní kondenzací, Kandidátská disertační práce, Ústav termomechaniky ČSAV, Praha, 1995.
  2. Lain J., Sejna M.: Unstructured Triangular Meshes and TVD Schemes for Fluid Flow Computations. Sborník Numerical Methods Solving 2D and 3D inviscid and viscous flows II, results of the solution of IBM Academic Initiative 1992, Editor K. Kozel, Fakulta strojní, ČVUT Praha, str. 83 - 94, 1992
  3. Sejna M., Kozel K.: Numerical Investigation of 1D Unsteady Wet Steam Flow. Sborník semináře Mathematical Modelling in Engineering, Fakulta strojní ČVUT Praha, str. 87-90, 1991
  4. Šejna M., Kozel K.: Numerická řešení jednorozměrného stacionárního i nestacionárního transsonického proudění, Strojírenství, 41, číslo 2, str. 46-48, 1991
  5. Šejna M.: Matematický model a numerické řešení dvoufázového transsonického jednodimenzionálního proudění mokré páry v Lavalově dýze. Písemná práce ke kandidátskému minimu. SVÚSS Běchovice 1990
 

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