Special afternoon sessions

I​n the afternoons, you will have the chance the attend a number of short educational sessions.

Introduction to Fatigue Assessment

P​rof. Yves Nadot
Institut P’, CNRS, ISAE-ENSMA, Université de Poitiers France

The objective of this course is to propose a first general introduction to fatigue design for mechanical engineers (supposed to be beginners in fatigue).

After a general introduction to fatigue questions, the presentation will focus on fatigue design against crack initiation and crack propagation in the High Cycle Fatigue regime.

A simplified case study is applied to a light aircraft component starting from real in service loading to end with the comparison with regulation needs for component replacement.

What will you learn?

• General concept and examples of fatigue failure,
• Several modelling strategies depending on the application,
• Detailed presentation of fatigue initiation criterion applied to High Cycle Fatigue,
• llustration of damage tolerant design,
• Simplified case study: variable amplitude loading design applied to light aircraft metallic component.

T​he speaker

Yves NADOT gained his PhD in fatigue of metals in 1997 at The University of Poitiers, supervised by N. Ranganathan and J. Mendez. He started to work in the field of ‘Fatigue from Defect’ since the beginning in the laboratory of Prof. J. Petit and took a full Professor position at Institute P’ ISAE-ENSMA Poitiers, FRANCE in 2010. He is the author or co-author of more than 140 publications and conference papers and supervised 30 PhD students and ‘postdoc’, most of them in the field of fatigue of metals. He leads the research group “Damage and Physics and Mechanics of Materials” and is an active contributor to the research on the defect induced fatigue process. He worked also on industrial collaboration projects with several companies (SAFRAN, Zodiac Aerospace, Renault, Airbus, Knorr-Bremse, SNCF, RR, …).

I​ntroduction to Multiphysics

J​ózsef Nagy, PhD
CFD Engineer at eulerian-solutions e.U.

In this short course participants will learn about the basics of Multiphysics simulations in the fields of Conjugate heat transfer simulations as well as Fluid Structure Interaction simulations. After the presentation of the basic ideas as well as the coupling methods participants will be shown several pitfalls they should avoid when setting up multiphysics simulations.

What will you learn?

• Introduction – Computational Fluid Dynamics, Thermal, Structural Mechanics,
• Conjugate Heat Transfer (CHT) – Boundary conditions, Setup, Examples,
• Fluid Structure Interaction (FSI) – Coupling method, Setup, Examples,
• Pitfalls – CFD, Structural mechanics, CHT, FSI.

T​he Speaker

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.

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