2024

• Crone V, Hahne M, Knüppel F, Wurm F-H, Torner B. Dynamic VAD simulations: Performing accurate simulations of ventricular assist devices in interaction with the cardiovascular system. The International Journal of Artificial Organs. 2024;0(0). doi:10.1177/03913988241268067
• Knüppel, F.; Malchow, S.; Sun, A.; Hussong, J.; Hartmann, A.; Wurm, F.-H.; Torner, B. Viscosity Modeling for Blood and Blood Analog Fluids in Narrow Gap and High Reynolds Numbers Flows. Micromachines 2024, 15, 793. https://doi.org/10.3390/mi15060793
• Hahne, Mario; Crone, Vincenz; Thomas, Inga; Wolfgramm, Calvin; Liedtke, Frieder Kurt Peter; Wurm, Frank-Hendrik; Torner, Benjamin. Interaction of a Ventricular Assist Device With Patient-Specific Cardiovascular Systems: In-Silico Study With Bidirectional Coupling. ASAIO Journal ():10.1097/MAT.0000000000002181,  March 27, 2024. | DOI: 10.1097/MAT.0000000000002181 

2023

• Torner, B.  Interaction of a Ventricular Assist Device with Patient-Specific Cardiovascular Systems - In-Silico Study with Bidirectional Coupling. 29th Annual Meeting of the International Society for Mechanical Circulatory, 30th October-1st November 2023, Dallas, USA.
• Torner, B.  RostockTestCase - OpenAccess Geometry and High-Fidelity Flow Simulation of a Ventricular Assist Device. 29th Annual Meeting of the International Society for Mechanical Circulatory, 30th October-1st November 2023, Dallas, USA.
• Knüppel F, Thomas I, Wurm F-H, Torner B. Suitability of Different Blood-Analogous Fluids in Determining the Pump Characteristics of a Ventricular Assist Device. In: Fluids, 8(5):151, (2023). https://doi.org/10.3390/fluids8050151
• Torner, B., Duong, D. V. and Wurm, F.-H.. “Numerical Determination of the Equivalent Sand Roughness of a Turbopump´s Surface and its Roughness Influence of the Pump Characteristics”. In: International Journal of Turbomachinery, Power and Propulsion, 8(1) 5, (2023). https://doi.org/10.3390/ijtpp8010005
• Malchow, S. and Wurm, F.-H. and Torner, B.. “Numerical Determination of the Equivalent Sand Roughness for a Regular Surface Roughness (Cubes)” In: Šimurda D., Bodnár T. (ed.): Proceedings of Topical Problems of Fluid Mechanics (2023). http://www2.it.cas.cz/fm/im/im/proceedings/2023
• Torner, B. “Flow in a Ventricular Assist Device - Pump Performance & Blood Damage Prediction”. ERCOFTAC KB Wiki Entry, AC7-03, Biomedical Flows. 2023. https://kbwiki.ercoftac.org/w/index.php/AC7-03
• Knüppel, F.; Sun, A.; Wurm, F.-H.; Hussong, J.; Torner, B. Effect of Particle Migration on the Stress Field in Microfluidic Flows of Blood Analog Fluids at High Reynolds Numbers. Micromachines 2023, 14, 1494.https://doi.org/10.3390/mi14081494

2022

• Torner, B.; Frank, D.; Grundmann, S.; Wurm, F.-H. “Flow Simulation-based Particle Swarm Optimization for Developing Improved Hemolysis Models” Biomechanics and Modelling in Mechanobiology, 2022.  https://doi.org/10.1007/s10237-022-01653-7
• Torner, B.; Frank, D. “Flow Simulation-based Particle Swarm Optimization for Developing Improved Hemolysis Models” 2^nd International Workshop on Flow-Induced Blood Damage, Rostock,  1-2 September, 2022

2021

• Konnigk, L.; Torner, B.; Bruschewski, M.; Grundmann, S.; Wurm, F.-H. (2021): Equivalent Scalar Stress Formulation Taking into Account Non-Resolved Turbulent Scales. In: Cardiovascular Engineering and Technology 12(3), pp. 251-272 . https://doi.org/10.1007/s13239-021-00526-x
• Torner, B.; Konnigk, L.; Hahne, M. ; Wurm F.-H.: Computation of Dissipation Rates in Turbo Pumps using Different Simulation Methods. 14th European Conference on Turbomachinery, 2021, 12 - 16 April 2021, Gdansk, Poland.
• Torner, B.: Numerical Aspects Affecting the Numerical Prediction of Haemolysis in Turbulent Blood Flows. 45th ESAO Congress, 2021, 7 - 11 September 2021, London, Great Britain. 
• Torner, B.; Konnigk, L.; Abroug, N.; Wurm, F.-H.: Turbulence and Turbulent Flow Structures in a Ventricular Assist Device. 45th ESAO Congress, 2021, 7 - 11 September 2021, London, Great Britain. - Awarded for the Best Poster at the Conference
• Torner, B.: Investigation of the flow physics in a Ventricular Assist Device under consideration of the influence of turbulence on the blood damage prediction. 45th ESAO Congress, 2021, 7 - 11 September 2021, London, Great Britain.

2020

• Torner, B.; Konnigk, L.; Abroug, N.; Wurm, F.-H. (2020): Turbulence and Turbulent Flow Structures in a Ventricular Assist Device. In: International Journal for Numerical Methods in Biomedical Engineering 37(3), e3431. https://doi.org/10.1002/cnm.3431
• Torner, B.: Teaching at Home: Chance or Shame? Cloud-yESAO - First digital conference of the young European Society of Artificial Organs, 2020.
• Wisniewski, A.; Medart, D.; Wurm, F.H., Torner, B.: Evaluation of Clinically Relevant Operating Conditions for Left Ventricular Assist Device Investigations. International Journal of Artificial Organs 2020. https://doi.org/10.1177/0391398820932925  - Winner of the ESAO SAGE Award 2020 for the Best Selected Paper in the International Journal of Artificial Organs in 2020.

2019

• Torner, B.; Wurm F.-H.: Large-Eddy Simulation in a Rotary Blood Pump: Turbulence, Shear Stresses and Blood Damage Prediction. ISimT 2019, Schloß Hohenkammer, Germany, 2019.
• Torner, B.; Konnigk, L.; Wurm, F.H.: Influence of Turbulent Shear Stresses on the Numerical Blood Damage Prediction in a Ventricular Assist Device. International Journal of Artificial Organs 42(12). 2019. https://doi.org/10.1177/0391398819861395.
• Konnigk, L.; Torner, B.; Hallier, S.; Witte, M.; Wurm, F.H.: Grid-Induced Numerical Errors for Shear Stresses and Essential Flow Variables in a Ventricular Assist Device: Crucial for Blood Damage Prediction? 46th ESAO Congress, Hannover, Germany, 2-7 September 2019.
• Konnigk, L.; Torner, B.; Hallier, S.; Witte, M.; Wurm, F.H.: Grid-Induced Numerical Errors for Shear Stresses and Essential Flow Variables in a Ventricular Assist Device: Crucial for Blood Damage Prediction? Journal of Verification, Validation and Uncertainty Quantification 3(4). 2019. https://doi.org/10.1115/1.4042989.
• Witte, M; Kranz, O.; Torner, B.; Wurm, F.H.: Investigation of the Wall Pressure Fluctuations, the Operational Deflection Shapes and the Airborne Noise Radiation of a Single Stage Radial Pump. 13th European Conference on Turbomachinery, 2019, 08 - 12 April 2019, Lausanne, Switzerland.
• Torner, B.; Konnigk, L.; Wurm F.-H.: Analysis of flow losses and their contribution to the total flow loss in an axial flow pump using the large eddy simulation method. 13th European Conference on Turbomachinery, 2019, 08 - 12 April 2019, Lausanne, Switzerland.

2018

• Konnigk, L.; Torner, B.; Wurm F.-H.: Application of Verification Methods on a Complex Flow Field Calculated by Large-Eddy Simulation: Blood Pump Flow. 6th European Conference on Computational Mechanics (ECCM 6) 7th European Conference on Computational Fluid Dynamics (ECFD 7) 11 - 15 June 2018, Glasgow, UK.
• Konnigk, L.; Torner, B.; Wurm, F.-H.: Influence of the Remaining Heart Activity on the Flow Within a Ventricular Assist Device: a Computational Study. 45th ESAO Congress, Madrid, Spain, 12 – 15 September 2018.
• Torner, B.; Konnigk, L.; Hallier, S.; Kumar, J.; Witte, M.; Wurm, F.-H.: LES in a Rotary Blood Pump: Viscous Shear Stress Computation and Comparison with URANS. 45th ESAO Congress, Madrid, Spain, 12 – 15 September 2018.
• Torner, B.; Konnigk, L.; Hallier, S.; Kumar, J.; Witte, M.; Wurm, F.-H. LES in a Rotary Blood Pump: Viscous Shear Stress Computation and Comparison with URANS. International Journal of Artificial Organs (2018): https://doi.org/10.1177/0391398818777697.
• Torner, B.; Wurm F.-H.: Analyse des Strömungsfeldes in einer Herzpumpe mittels Large-Eddy Simulation. Kolloquium Fluidenergiemaschinen 2018, Wien, 2018.
• Witte, M.; Torner, B.; Wurm, F.-H.: Analysis of Unsteady Flow Structures in an Radial Turbomachine by using Proper Orthogonal Decomposition. ASME Turbine Technical Conference and Exposition 2018, Oslo, Norway, 2018.

2017

• Konnigk, L.; Torner, B.; Hallier, S.; Wisniewski, A.; Medart, D.; Wurm, F.: Comparison of URANS and a VLES regarding their Potential to Predict Hemolysis with Stress-Based Hemolysis Models. 44th ESAO and 7th IFAO Congress, Vienna, Austria. 2017.
• Torner, B.; Hallier, S.; Witte, M.; Wurm, F.-H.: Large-Eddy and Unsteady Reynolds-Averaged Navier-Stokes Simulations of an Axial Flow Pump for Cardiac Support. ASME Turbine Technical Conference and Exposition 2017, Charlotte, USA, 2017.
• Torner, B.; Hallier, S.; Konnigk, L.; Wurm, F.-H.: Comparison of Large- Eddy and Reynolds-Averaged Navier-Stokes Simulations Regarding their Potential to Predict Hemolysis in Blood Pumps. ASAIO 63rd Annual Conference 2017, Chicago, USA, 2017.

2016

• Torner, B.; Wurm F.-H.: Large-Eddy Simulation in einer miniaturisierten axialen Strömungspumpe. ERCOFTAC Technologietag, 07.12.2016, Stuttgart, 2016.
• Hallier, S.; Torner, B., Wisniewski, A., Müller, J., Nüsser, P.; Wurm F.-H.: Miniaturization and Optimization of a Ventricular Assist Device . 43th ESAO and 6th IFAO Congress, Warsaw, Polen, 2016.
• Hallier, S.; Torner, B., Wurm F.-H.: Miniaturization of a implantable pump for heart support. ISROMAC 2016, Honululu, USA, 2016.