MSiCo AB

Consultancy within Railway Aero- and Thermodynamics, Fluid Mechanics, Research, Development and Innovation



List of publications, public reports and recent Master thesis'

Vardy A.E. and Sima M., 2017. "Pressures and velocities inside trains – Influence of inter-car connections", Proc. 17th Int. Symp. on Aerodynamics,Ventilation and Fires in Tunnels, BHR Group, Lyon, France, 13-15 Sept. 2017, 5-24.

Sima M., Barbone L., Galeazzo G. and Gölz P., 2016. "Dynamic pressure tightness of very high speed train ETR1000/V300ZEFIRO", Proc. of 11th World Congress on Railway Research, May 29 – June 2, 2016, Milano, Italy.

Sima M., Tietze A., Schulz B., and Ehrenfried K., 2016. "Representing large boundary layers in slipstream moving model tests", Proc. of The Third International Conference on Railway Technology: Research, Development and Maintenance (Railways 2016), 5-8 April 2016, Cagliari, Sardinia, Italy.

Sima M., Schulz B., Gölz P. and Thoss E., 2015. "Dynamic pressure tightness of very high speed train CRH380D", Proc. of 16th Int. Symp. on Aerodynamics,Ventilation and Fires in Tunnels, BHR Group, Seattle, USA.

Paradot N., Grégoire R., Stiepel M., Blanco A., Sima M., Deeg P., Schroeder-Bodenstein K., Johnson T. and Zanetti G., 2015. "Crosswind sensitivity assessment of a representative Europe-wide range of conventional vehicles", Special Issue of JRRT, Proc MechE Part F: J Rail and Rapid Transit, Vol. 229(6) 594–624.

Eichinger S., Sima M. and Thiele F., 2015. "Numerical simulation of a regional train in cross-wind", Special Issue of JRRT, Proc MechE Part F: J Rail and Rapid Transit, Vol. 229(6) 625–634.

Sima M., Eichinger S., Blanco A. and Ali I., 2015. "Computational fluid dynamics simulation of rail vehicles in crosswind: Application in norms and standards", Special Issue of JRRT, Proc MechE Part F: J Rail and Rapid Transit, Vol. 229(6) 635–643.

Sima M., Weise M.  and Schulz B., 2014 ."Cross wind – ground configurations in vehicle assessment and is implications", 18th Nordic seminar on Railway Technology, 14-15 Oct. 2014, Bergen, Norway.

Sima M., Weise M. and Deeg P., 2013. “Measurements of the flow under high speed trains relating to aerodynamic loads on track and standard procedure”, 2nd International Symposium on Rail-Aerodynamics, Berlin, Germany, 15-17 May, 2013.

Weise M. and Sima M., 2013. “Towards a standard test procedure for aerodynamic loads on railway tracks”, International Workshop on Railway Aerodynamics, Birmingham, UK, 8-10 April, 2013.

Eichinger S., Sima M. and Thiele F., 2013. “Numerical simulation of regional train in 30° cross wind”, International Workshop on Railway Aerodynamics, Birmingham, UK, 8-10 April, 2013.

Sima M. and Venkatasalam N., 2013. “Investigation of cross wind ground configurations for rail vehicles”, International Workshop on Railway Aerodynamics, Birmingham, UK, 8-10 April, 2013.

Baker C.J., Quinn A., Sima M., Hoefener L. and Licciardello R., 2013. ” Full scale measurement and analysis of train slipstreams and wakes: Part 1 Ensemble averages”, J. Rail and Rapid Transit. May 14, 2013.

Baker C.J., Quinn A., Sima M., Hoefener L. and Licciardello R., 2013. ” Full scale measurement and analysis of train slipstreams and wakes: Part 2 Gust analysis”, J. Rail and Rapid Transit. May 14, 2013.

Sima M., Grappein E., Weise M., Paradot N., Hieke M., Baker C., Licciardello R. and Couturier M., 2011. “Presentation of the EU FP7 AeroTRAIN project and first results”, Proc. 9th World Congress on Rail Research, Lille, France 22.-26. May.

Sima M., Gurr A. and Orellano A., 2008. ”Validation of CFD for the flow under a train with 1:7 scale wind tunnel measurements”. Proc. BBAA VI, Milano, Italy, 20-24 July, 2008.

Diedrichs B., Sima M., Orellano A. and Tengstrand H., 2007. ”Crosswind stability of a high-speed train on a high embankment”, J. Rail and Rapid Transit, Vol. 221 PartF, 205–225.

Sima M., 2006, ”Friction pressure variation along a streamlined train in a tunnel”, Proc. of 12th Int. Symp. on Aerodynamics and Ventilation of Vehicle Tunnels, BHR Group, Portoroz, Slovenia, 11-13 Jul. 2006, 245-259.

Andersson E., Häggström J., Sima M. and Stichel S., 2004. ”Assessment of train-overturning risk due to strong cross-winds”, J. Rail and Rapid Transit, Proc. Instn. Mech. Engrs.. Vol. 218 Part F, 213-223.

Andersson E., Häggström J., Sima M. and Stichel S., 2003. ”Assessing cross-wind safety of trains”, Proc. of International Symposium on Speed-up and Service Technology for Railway and Maglev Systems 2003 (STECH’03), Tokyo, Japan, 19-22 Aug. 2003, 293-300.

Sima M., 2003. “New unifying procedure for working with pressure tightness of rail passenger vehicles”, Proc. of 11th Int. Symp. on Aerodynamics and Ventilation of Vehicle Tunnels, BHR Group, Luzern, Switzerland, 7-9 Jul. 2003, 743-757.

Sima M.A. and Harris J.A., 1999, “CFD modelling of sucrose crystallisation”, Proc. Sec. Int. Conf. on CFD in the Minerals and Process Industries, CSIRO, Melbourne, Australia.

Sima M.A. and Harris J.A., 1999, “Numerical modelling of flow in a vertical cooling crystallizer”, ASME Journal of Fluids Engineering, Vol. 121, pp. 148-154.

Sima M.A., 1998, “CFD analysis of sugar crystallization”, TRITA-MEK Technical Report 1998:2. Licentiate of Engineering thesis, Royal Institute of Technology (KTH), Department of Mechanics.

Sima M.A. and Harris J.A., 1997, “Modelling of a low grade vertical cooling crystallizer using computational fluid dynamics”, Proc. Aust. Soc. Sugar Cane Technol., Vol. 19, pp. 448-455.

Sima M.A. and Harris J.A., 1996, “Simulation of the flow and temperature fields in a continuous vertical cooling crystallizer”, Proc. Compumod Tenth Australasian conference, Melbourne, Australia.


Public reports

Sima M., 2019. "Dimensionering av fri tvärsnittsarea för enkelspårstunnlar med STH 250 km/h och STH 320 km/h - underlag för svenska höghastighetslinjer", Trafikverket Report (Swedish) link.

Sima M., 2019. "Verifiering av fri tvärsnittsarea för 91 m2 dubbelspårstunnlar med STH 250 km/h - underlag för svenska höghastighetslinjer", Trafikverket Report (Swedish) link.

Sima M., 2018. "Inverkan av tunnel på gångtider, Underlag för gångtidssimuleringar", Trafikverket Report (Swedish) link.


Recent Master Thesis'

Forasassi G., 2016. "CFD analysis of pressure waves and loads on non-tight trains", Master Thesis, KTH.

Turchetto M., 2014. "Aerodynamic optimization of a wide body train front", Master Thesis, Universitá degli studi di Trieste.

Venkatasalam N., 2013. "Crosswind assessment of trains on different ground configurations", Master Thesis, KTH, TRITA AVE 2013:15, ISSN 1651-7660.