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CFD: All Levels — Ep 01
Algorithm Selection Guide for CFD Simulations in ANSYS Fluent
- Episode
- 01
- Run Time
- 27m 48s
- Published
- Feb 03, 2025
- Topic
- CFD
- Course Progress
- 0%
About This Episode
- Core Solver Categories
A. Pressure-Based Solvers
- SIMPLE Algorithm
- Steady-state applications
- Memory efficiency
- Low-speed flow optimization
- SIMPLEC Algorithm
- Enhanced convergence
- Higher relaxation factors
- Steady-state focus
- PISO Algorithm
- Transient simulation specialty
- Mesh quality tolerance
- Resource requirements
- Coupled Solver
- Universal speed application
- Rapid convergence
- Memory considerations
B. Density-Based Solvers
- Roe Scheme
- High-speed flow specialty
- Shock wave handling
- Speed range limitations
- AUSM Method
- Enhanced shock capture
- Supersonic flow focus
- Computational demands
- Application Guidelines
A. Mach Number Based Selection
-
Low subsonic (M<0.3)
- SIMPLE
- SIMPLEC
- PISO
-
High subsonic (0.3<M<0.8)
- AUSM
- Roe
- Coupled solver
- Implementation Best Practices
A. Resource Management
- Memory requirements
- Computational capacity
- Initialization procedures
B. Performance Optimization
- Relaxation factor tuning
- Convergence monitoring
- Mesh quality considerations
This guide provides systematic approach for selecting appropriate CFD algorithms based on specific simulation requirements and available computational resources.