Circular dependecies in FreeCad

 Circular dependencies occur in FreeCAD when two or more features rely on each other in a loop, preventing the model from updating correctly. This can happen when the definition of a feature depends on the outcome of another feature that, in turn, depends on the first feature.

Troubleshooting CFD Convergence Issues: Tips and Solver Considerations - OPENFOAM

It sounds like you’re dealing with a challenging CFD problem. Convergence issues can often arise from the way boundary conditions are set up. Here are a few tips that might help you troubleshoot and resolve the issue:

Modeling Membrane Separation in Water Treatment with Ansys Fluent

You can potentially model the membrane in your water treatment scheme using the porous media option available in Ansys Fluent, but with some limitations. Here's a breakdown:

Porous Media Approach:

• This approach treats the membrane as a resistance to flow based on its physical properties like porosity and permeability.
• You can define the membrane properties in the "Material" section of Fluent and assign them to a cell zone representing the membrane.
• Fluent will then calculate the flow of water through the membrane based on pressure and temperature differences across it.

Validating PCHE Model in Fluent: Addressing Pressure and Periodic Boundary Conditions

 Validating Printed Circuit Heat Exchanger Model in Fluent

This response addresses your questions regarding pressure and boundary conditions in your Printed Circuit Heat Exchanger (PCHE) model validation using Fluent:

Question 1: Operating Pressure and Boussinesq Parameters

Validating CFD Models for Stirred Tanks: Closing the Gap Between Simulation and Reality

 To help  with refining your CFD model for stirred tank mixing time validation. Here are some potential reasons for the discrepancy between your CFD results and the laboratory measurements, along with suggestions for improvement:

Possible Reasons for Discrepancy:

Non-Dimensionalization Challenges in Hypersonic Intake Flow Separation Visualization

 There are a couple of reasons why non-dimensionalizing your hypersonic intake geometry might affect the captured flow pattern with flow separation in your streamtrace:

CFX Transient Structural Analysis on Linux without GPU: Workarounds and Tips

 Absolutely, I can help you with running CFX coupled transient structural analysis on Linux without a GPU.

Visualization on Linux for Transient Structures: