NRC22 Eastern Europe

Special Sessions

Theoretical and practical introduction to Computational Fluid Dynamics

Tutor:

Dipl.-Ing. Dr.techn. József Nagy

Dr. József Nagy graduated from the Vienna University of Technology in Physics and finished his PhD in Chemical Engineering. For six years he held the position of a post-doc at the Johannes Kepler University, where he worked on polymer materials. He is the Chair of the Technical Committee for Tutorials and Documentation in the OpenFOAM Governance System and is Chief-Editor at the OpenFOAM Journal. He has the biggest YouTube channel with specialized tutorials for learning Computational Fluid Dynamics (CFD) with OpenFOAM. He currently works as a CFD engineer at eulerian-solutions. His areas of interest are diverse: multiphase flows, complex materials, porous media, fire and species dispersion, Fluid-Solid Interaction (FSI) and model development and implementation as well as custom workflows for specific applications.

Seminar details

1) Theoretical introduction to Computational Fluid Dynamics (CFD) with application examples (50 min)

a) Theoretical introduction to CFD
b) Theoretical introduction to CFD
c) Small live introduction to simple application cases

2) Practical introduction to CFD, industrial applications (50 min)

a) Droplet breakup simulations
b) Injection molding simulations
c) Fire safety simulations
d) Biomechanical simulations: aneurysm dynamics

A full set of notes in PDF format as well as simulation case files in ZIP format will be available for download for the seminar attendees.

What will you learn?

You will learn about the basics of Computational Fluid Dynamics. You will see how simulations can be run and evaluated with live demo cases. You will learn about application use cases of CFD in academia, industry and medicine.

What questions will this course answer?

• What is CFD?
• How to run CFD simulations?
• How can simulation help solving complex problems in academia, industry and medicine.

Who should attend?

Everyone is welcome to attend. The seminar will be most interesting for:

• Mechanical and chemical engineers required to perform challenging turbulent fluid flow simulations
• Building Professionals, project managers, developers, building owner, facility managers and other stakeholders involved in fire safety projects
• Biomedical engineers and physicians required to perform estimations on difficult medical procedures
• Academic researcher trying to build their own models in CFD flows

The course is code independent. Analysis examples will be presented with the use of the open source CFD tool OpenFOAM.

Theoretical and practical introduction to the Digital Twin Concept

Tutor: Ing. Jiří Teichman, Ing. Bc. Petr Pečený, Fluid Specialists

Biographies

Ing. Jiří Teichman, graduated from Czech Technical University in Prague in Aerospace Engineering, where he continues his PhD in advanced aerodynamics control systems. For five years he participated in Formula Student competition as an aerodynamicist and now continues as a competition organizer and judge. He currently works as a CFD engineer at TechSoft, mainly focusing on external aerodynamics, heat transfer, flow optimization and reduced order modeling. He teaches at the Department of Aerospace Engineering in space technology specialization and is part of the LVICE2 Lunar probe design team responsible for orbital dynamics and thermal control. (teichman@techsoft-eng.cz)

Ing. Bc. Petr Pečený, graduated with a master’s degree from Czech Technical University in Prague in Energy Engineering. Moreover, he graduated with a bachelor's degree from Masaryk Institute of Advanced Studies in Prague in Teaching. More than eight years he worked in TechSoft, focusing on internal aerodynamics, heat transfer, multiphase flow and battery cooling. In recent years he was actively engaged with digital twins. In addition, he teaches Fundamentals of Energy Conversions at Czech Technical University in Prague. (peceny@techsoft-eng.cz) Seminar details 1) Theoretical introduction to the Digital Twin concept with application examples (50 min) a) Digital Twin in engineering simulations b) Basics of Reduced order modeling 2) Practical introduction to the Digital Twin concept industrial applications (50 min) c) Failure prediction demonstration on physical device d) Reduced Order Model (ROM) extraction e) System modeling in Ansys Twin Builder and Digital Twin construction

Seminar details

What will you learn?

You will learn about the Digital Twin concept in engineering simulations, its advantages and its industrial applications. Reduced Order Model theory will be introduced as a basis of modern Digital Twin. Physical demonstrator predicting failure in the thermal system will be shown as well as a short demonstration of Reduced Order Model extraction using machine learning and its implementation in the Digital Twin.

What questions will this course answer?

• What is a Digital Twin?
• How is a Digital Twin constructed?
• How Digital Twin helps solving complex system problems and predicts system behavior

Who should attend?

The seminar is intended for a wide audience from simulation specialists to managers. The seminar will be most interesting for:

• System engineers
• CFD/FEM engineers
• Project managers
• Academic researchers

The course is code independent. Analysis examples will be presented with the use of Ansys Twin Builder.

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