7. Knowledge Base π# 7.1. Non-Dimensionalization Introduction Non-Dimensional Inputs Non-Dimensional Outputs Force and Moment Coefficients 7.2. Preprocessing Meshing Recommendations CGNS Mesh Format and Multizone Interface Connectivity STEP Format CAD Import for Automated Meshing User Defined Expressions 7.3. Simulation Time Stepping BETDisk ActuatorDisk NavierStokesSolver TurbulenceModelSolver TransitionModelSolver HeatEquationSolver Rotation Solid PorousMedium 7.4. User Defined Expressions Variables Expressions Solution Variables Math Operations Variable Name Limitations Common Errors 7.5. Fixing Divergence Issues General Recommendations Steady Simulations Unsteady Simulations Final Considerations 7.6. Frequently Asked Questions Where are my Flow360 credentials stored locally? Does Flexcompute charge for data storage? SolverError: Error when calculating patch interpolation coefficients. What does this mean? What does the βVelocityRelativeβ mean in the volumeOutput of the case configuration?