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Vertical Axis Wind Turbine and Rotating Mesh
This case study demonstrates how to mesh and set up a multi-domain case with a rotating mesh. The analyzed geometry represents a Darrieus-Savonius wind turbine. Geometry preparation For more detailed tips and tricks on how to prepare your geometry and provide...
Multi-Domain Meshing With CF-MESH+
1. Introduction Computational Fluid Dynamics has undergone rapid development in the last two decades. The problems that can be solved with it range from simple laminar flows to very complicated multi-phase flows including heat exchange. CF-MESH+ multi-domain feature...
Is It Always The Mesh? Part 2: Skewness
Quite often I hear complaints about skewness, and how it’s worthless even trying to run a solver on a mesh etc. The point of this series of posts is to give you an overview of the popular myths and to help you understand what’s going on in your Finite-Volume CFD code...
The Outer Boundary Layer
Introduction The outer boundary layer is a very useful option in our boundary layer library. Mostly it is used in aerodynamic and heat transfer applications, where a fine boundary layer near the wall is desired. Its role is to provide a smooth transition between the...
Is It Always The Mesh? Part 1: Discretisation Basics And Mesh-Quality Metrics
Quite often I hear complaints about non-orthogonality and skewness, and how it’s worthless even trying to run a solver on a mesh, etc. The point of this series of posts is to give you an overview of the popular myths and to help you understand what’s going on in your...
Feature Edges With CF-MESH+
1. What are feature edges The feature edges are surface mesh sub-elements whose existence is often very important in the meshing process – where they are treated as constraints. These are the sharp corners/edges in the domain which, when specified as feature edges,...