🍪 CFD cookie 2 - Visiting all RANS models in OpenFOAM - Closure coefficients - Part 15 скачать в хорошем качестве

🍪 CFD cookie 2 - Visiting all RANS models in OpenFOAM - Closure coefficients - Part 15

👉 Turbulence models in OpenFOAM | Theory and numerical pointers 🌞 Changing the values of the closure coefficients 🤔 RANS simulation using the Standard K-Epsilon Turbulence model 😜 Zero Pressure Gradient Flat Plate – Re = 10 000 000 👌 00:00 Introduction 01:02 How to change the closure coefficients in OpenFOAM | The Standard K-Epsilon turbulence model 03:29 How to know the closure coefficients used in OpenFOAM - Printing the coefficient values 04:39 How to know the closure coefficients used in OpenFOAM - Exploring the source code 06:36 Let's run the simulation with the new closure coefficient value | c_mu coefficient 08:21 Let's post-process the solution 10:55 Let's take a look at the outcome of different simulations with different closure coefficients values 17:05 Final remarks This CFD cookie 🍪 is based on OpenFOAM 12, but the general guidelines and standard practices should work with any OpenFOAM version. 🤔 We also address the following question (CFD cookie 1): Without reference results (experimental, analytical, etc.), how do I know that my turbulent Multiphysics simulations are correct? You can find CFD cookie 1 at the following link: 👈    • 🍪 CFD cookie 1 - Turbulence modeling   🤪 This cookie has been approved by the 🍪 cookie monster 👹. Training material repository https://drive.google.com/drive/folder... Useful links: https://turbmodels.larc.nasa.gov/ https://www.wolfdynamics.com/tools.ht... Useful references: B. E. Launder, D. B. Spalding. The Numerical Computation of Turbulent Flows. Computer Methods in Applied Mechanics and Engineering. 1974. B. E. Launder, B. I. Sharma. Application of the Energy-Dissipation Model of Turbulence to the Calculation of Flow Near a Spinning Disc. Letters in Heat and Mass Transfer. 1974. T. Shih, W. Liou, A. Shabbir, Z. Yang, J. Zhu. A New k-epsilon Eddy-Viscosity Model for High Reynolds Number Turbulent Flows – Model Development and Validation. NASA TM 106721. 1994. V. Patel, W. Rodi, G. Scheuere. Turbulence Models for Near-Wall and Low Reynolds Number Flows: A Review. AIAA Journal, Volume 23, Number 9, September 1985. P. Durbin. Turbulence Closure Models for Computational Fluid Dynamics. Iowa State Univesity. https://dr.lib.iastate.edu/handle/20.... D. C. Wilcox. Turbulence Modeling for CFD. DCW Industries, 2010. ********************************************************************************** Wolʇ Dynamics, your reliable partner for CAE solutions, CAD and solid modeling → Meshing → Simulations → Automation and optimization → Post-processing → Data analytics and ML → Reporting http://www.wolfdynamics.com/ Why Wolʇ Dynamics? Simply look at our banner - notice how the F appears backwards. Wolʇ Dynamics ↔ Flow Dynamics 😯+💣=🤯 **************************************************************************** 👉 Subscribe and hit the bell to see new videos or we will go back to OpenFOAM 3:    / @wolfdynamicscfd   🖖 Join our channel to help us create more content. By joining our channel, you can also get access to perks:    / @wolfdynamicscfd   Follow us: Twitter → twitter.com/WolfDynamics LinkedIn → linkedin.com/company/wolf-dynamics **************************************************************************** Wolf Dynamics makes no warranty, express or implied, about the completeness, accuracy, reliability, suitability, or usefulness of the information disclosed in this training material. This training material is intended to provide general information only. Any reliance the final user place on this training material is therefore strictly at his/her own risk. Under no circumstances and under no legal theory shall Wolf Dynamics be liable for any loss, damage or injury, arising directly or indirectly from the use or misuse of the information contained in this training material. **************************************************************************** #cfd #cae #turbulence #openfoam #computationalfluiddynamics #aerospace #RANS