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CFD Dose: A weekly dose to keep you CFD-enlightened!

May 10, 2023

Sub-Grid Scale Modeling in Dispersed Flows

In this edition - and linking to Lagragian Particle Tracking in CFD Edition, we will talk about the concept of Particle Sub-Grid Scale (SGS) modeling. After reading this article, you should have an idea about the relevance of this type of modeling and when to apply it in CFD. We will discuss the key concepts and parameters in Particle SGS modeling and describe the different SGS models used in LES and RANS. Finally, a case study that highlights the application of Particle SGS modeling in a turbulent channel flow is exhibited.

April 26, 2023

Mohamed Aly Sayed

Wall-Modeled Large Eddy Simulation I

The use of a wall model in WMLES can significantly reduce the computational cost of the simulation compared to a fully resolved LES, while still capturing the important features of the near-wall flow that are necessary for accurate predictions of flow properties such as skin friction and heat transfer.

April 19, 2023

Mohamed Aly Sayed

Hybrid RANS / LES Modeling in CFD: An Introduction

In this article, we talk to you about the idea of hybrid RANS/LES modeling and why that is a relevant topic for anyone working with CFD. Also, we will see some of the criteria used in CFD to determine the transition between RANS and LES zones.

April 12, 2023

Mohamed Aly Sayed

Turbulent Kinetic Energy: A Key Quantity for CFD Specialists

If you don't know already, you will gain more understanding of what the Turbulent Kinetic Energy (TKE) is, how to quantify it, and its significance in the verification and validation of CFD simulations.

April 5, 2023

Mohamed Aly Sayed

ChatGPT and CFD

In this edition, we give an introduction on what ChatGPT can do in the context of Computational Fluid Dynamics (CFD), and some recommendations on how to use it in general.

March 29, 2023

Mohamed Aly Sayed

Laminar-to-Turbulent Transition & Flow Separation

In the fascinating world of fluid dynamics, understanding the behavior of different flow types is essential for various applications, from designing efficient aerospace vehicles to predicting weather patterns. Two key phenomena that engineers and researchers often encounter are laminar-to-turbulent flow transition and flow separation. In this article we will delve into the fundamentals of these two concepts, discuss their main differences, and provide you with a list of resources for further exploration. Let's dive in!

March 15, 2023

Mohamed Aly Sayed

Lagrangian Particle Tracking in CFD

Lagrangian Particle Tracking (LPT) is a powerful technique used in Computational Fluid Dynamics (CFD) to simulate the behavior of individual particles as they move through a fluid system. In LPT, each particle is treated as an individual entity that interacts with the surrounding fluid, and its motion is tracked over time. This technique can be used to model a wide range of phenomena in areas such as engineering applications: simulating the mixing of fuel droplets in the combustion chamber of propulsion systems; environmental applications: simulating the dispersion of pollutants emerging from factories formation and growth of raindrops, and transport of atmospheric aerosols; medical applications: simulating the drug delivery to pulmonary systems and deposition of blood cells in the human body.

March 9, 2023

Mohamed Aly Sayed

Particulate Raleigh Benard Convection

Rayleigh-Bénard Convection (RBC) refers to the flow of fluids when heated from below and cooled from above. Particulate flows, on the other hand, refer to the flow of fluids that contain solid particles. In RBC, particulate flows can have several applications in various fields:In industry, particulate flows in RBC can be used to improve the efficiency of heat transfer in industrial processes. For example, the use of nanoparticle suspensions in RBC can enhance the heat transfer in various industrial applications, such as electronics cooling, energy storage, and thermal management. In medical applications, particulate flows in RBC can be used to study blood flow in the body.

Join 19,000+ Professionals on LinkedIn!Exclusive Insights Straight to Your Inbox 📥

Subscribe below for FREE and stay tuned 📚

CFD Dose: A weekly dose to keep you CFD-enlightened!

Sub-Grid Scale Modeling in Dispersed Flows

Wall-Modeled Large Eddy Simulation I

Hybrid RANS / LES Modeling in CFD: An Introduction

Turbulent Kinetic Energy: A Key Quantity for CFD Specialists

ChatGPT and CFD

Laminar-to-Turbulent Transition & Flow Separation

Lagrangian Particle Tracking in CFD

Particulate Raleigh Benard Convection

Join 19,000+ Professionals on LinkedIn!
Exclusive Insights Straight to Your Inbox 📥