Is It Always the Mesh? Part 8: The influence of aspect ratio on a diffusion-dominated problem

Quite often I hear warnings about "unacceptable" aspect ratios, claims that they ruin simulations, and debate on when stretching is acceptable versus dangerous. The point of this series of posts is to demystify popular myths, help you understand what is happening...
Our Common Meshing Terminology

Our Common Meshing Terminology

CFD meshing terminology can be quite daunting, especially for beginners. This article will give you an overview of the most common CFD meshing terms and expressions we use daily, in alphabetical order. If you are struggling with some of the expressions we are using in...

Low-RE turbulence modelling of boundary layers with CF-MESH+

Low-RE turbulence modelling of boundary layers with CF-MESH+

The goal of this post is to discuss the best practices of boundary layer generation in CF-MESH+ needed to perform low-Re turbulence modelling of boundary layers, on Ahmed body example.  In order to show the importance of accurate boundary layer modelling, the...

Is it always the mesh? Part 6: Feature edges and corners

Is it always the mesh? Part 6: Feature edges and corners

Quite often I hear complaints about non-orthogonality, the required number of non-orthogonality correctors to achieve convergence, and how it is worthless even trying to run a solver on a mesh, etc. The point of this series of posts is to give you an overview on the...

Is it Always the Mesh? Part 5: Boundary Layer Meshing

Is it Always the Mesh? Part 5: Boundary Layer Meshing

The point of this series of posts is to give you an overview of the popular myths and to help you understand what is going on in your Finite-Volume CFD code and how to interpret mesh quality checks for your problem. The goal of this post is to de-mistify the impact of...

5 Most Important Steps in CF-MESH+

5 Most Important Steps in CF-MESH+

For the mesher to do its work the best it can and create high-quality meshes, it is necessary to follow some CFD meshing guidelines. Our experience taught us about the 5 most important steps and features in CF-MESH+ you should consider, depending on your meshing case:...

Is it Always the Mesh? Part 4: Cell Types

Is it Always the Mesh? Part 4: Cell Types

In this series of posts, we will give you an overview of the popular myths and help you understand what is going on in your Finite-Volume CFD code and how to interpret mesh quality checks for your problem. The goal of this post is to de-mystify the impact of various...

How To Get Support For CF-MESH+ License

How To Get Support For CF-MESH+ License

Back in 2023, we introduced a new way of submitting tickets and getting support, based on the ClickUp platform. This may seem confusing at first for the new members. Therefore, in this post, we will explain how to get support for your CF-MESH+ license, depending on...