We have an exciting announcement about badges coming in May 2025. Until then, we will temporarily stop issuing new badges for course completions and certifications. However, all completions will be recorded and fulfilled after May 2025.

Ansys Learning Forum Forums Discuss Simulation Fluids Y+ value variation Reply To: Y+ value variation

SRP
Ansys Employee

Hi,

The pressure-based solver typically uses the SIMPLE (Semi-Implicit Method for Pressure-Linked Equations) algorithm or its variants, such as PISO (Pressure-Implicit with Splitting of Operators). These algorithms are designed to solve the pressure-velocity coupling iteratively. 

The density-based solver, on the other hand, solves the compressible Navier-Stokes equations directly. It may use different numerical methods and algorithms compared to the pressure-based solver.

I suggest you to choose correct solver based on the physics you are monitoring.

You can also refer to What are pressure-based solver vs. density-based solver in FLUENT? - Ansys Knowledge

Hope this helps.