Publikationstyp: Lehrmaterial
Titel: Tutorial on OpenFOAM & kaleidosim : EVAL function to rotate a wind channel
Autor/-in: Boiger, Gernot Kurt
Sharman, Darren
Michel Rivero, Jhimy
Lienhard, Viktor
et. al: No
Erscheinungsdatum: Sep-2021
Verlag / Hrsg. Institution: ZHAW School of Engineering, ICP Institute of Computational Physics
Sprache: Englisch
Schlagwörter: OpenFOAM; Kaleidosim; EVAL; v1912; Parameter study; Simulation; CFD; Turbulence
Fachgebiet (DDC): 005: Computerprogrammierung, Programme und Daten
530: Physik
Zusammenfassung: This is a tutorial video in Prof. Gernot Boiger's series on OpenFOAM and the cloud computing platform Kaleidosim. Here the focus lies on the 'EVAL' functionality within OpenFOAM v1912 (and later). Using the 'EVAL' function the user can prescribe (dynamic) boundary conditions from inside any OpenFOAM dict, based on a multitude of mathematical expressions. In this movie the 'EVAL' function is demonstrated based on an example surrounding the classical simpleFoam Motorbike tutorial case with a 'twist'. The 'twist' is about conducting a full #aerodynamic #CFD study of the #Motorbike frame, involving 360 individual simpleFoam #simulation runs simultaneously conducted within Kaleidosim #cloud platform. Thereby each run differs in that onset-airflow velocity vector as well as the entire bounding box of the simulation vicinity (wind channel) are rotated degree after degree (step size 1°) around the Motorbike, yielding 360 simulation cases. The 'EVAL' function performs the math to rotate the bounding box based on a 2D rotation matrix with respect to the angle-of-attack, while Kaleidosim's Kaleidoscope Feature conducts a parameter-study varying the angle-of-attack step-by-step. Furthermore the video contains a demonstration of how, thanks to Kaleidosim's MSCC Massive Simultaneous Cloud Computing capacity, the entire study can be completed in no more than 25min. Find links to related tutorial videos here: 1.) OpenFoam & Kaleidosim: Creating Python Macro for Paraview based Post-Processing in the Cloud https://youtu.be/EzmkmrDnu0Y 2.) OpenFOAM & Kaleidosim: Introducing the Kaleidoscope Feature https://youtu.be/6T08Li7gVqE 3.) Live Demo of Speeding up OpenFoam Parameter Study by Factor 50 https://youtu.be/rWe4KfFDPKs 4.) Compile and Run Custom OpenFoam Solvers in the Cloud using Kaleidosim https://youtu.be/3QoQAlaCQxk
Weitere Angaben: YouTube
URI: https://youtu.be/aSVT3COI5h4
https://digitalcollection.zhaw.ch/handle/11475/23827
Lizenz (gemäss Verlagsvertrag): Keine Angabe
Departement: School of Engineering
Organisationseinheit: Institute of Computational Physics (ICP)
Publiziert im Rahmen des ZHAW-Projekts: GeoCloud – Simulation Software for Cloud-based Digital Microstructure Design of New Fuel Cell Materials
Enthalten in den Sammlungen:Publikationen School of Engineering

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Boiger, G. K., Sharman, D., Michel Rivero, J., & Lienhard, V. (2021). Tutorial on OpenFOAM & kaleidosim : EVAL function to rotate a wind channel. ZHAW School of Engineering, ICP Institute of Computational Physics. https://youtu.be/aSVT3COI5h4
Boiger, G.K. et al. (2021) Tutorial on OpenFOAM & kaleidosim : EVAL function to rotate a wind channel. ZHAW School of Engineering, ICP Institute of Computational Physics. Available at: https://youtu.be/aSVT3COI5h4.
G. K. Boiger, D. Sharman, J. Michel Rivero, and V. Lienhard, Tutorial on OpenFOAM & kaleidosim : EVAL function to rotate a wind channel. ZHAW School of Engineering, ICP Institute of Computational Physics, 2021. [Online]. Available: https://youtu.be/aSVT3COI5h4
BOIGER, Gernot Kurt, Darren SHARMAN, Jhimy MICHEL RIVERO und Viktor LIENHARD, 2021. Tutorial on OpenFOAM & kaleidosim : EVAL function to rotate a wind channel [online]. ZHAW School of Engineering, ICP Institute of Computational Physics. Verfügbar unter: https://youtu.be/aSVT3COI5h4
Boiger, Gernot Kurt, Darren Sharman, Jhimy Michel Rivero, and Viktor Lienhard. 2021. Tutorial on OpenFOAM & Kaleidosim : EVAL Function to Rotate a Wind Channel. ZHAW School of Engineering, ICP Institute of Computational Physics. https://youtu.be/aSVT3COI5h4.
Boiger, Gernot Kurt, et al. Tutorial on OpenFOAM & Kaleidosim : EVAL Function to Rotate a Wind Channel. ZHAW School of Engineering, ICP Institute of Computational Physics, 2021, https://youtu.be/aSVT3COI5h4.


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