Flow Simulation Technical Reference
Physical Capabilities of FLOEFD
Governing Equations
The Navier-Stokes Equations for Laminar and Turbulent Fluid Flows
Laminar/turbulent Boundary Layer Model
Mass Transfer in Fluid Mixtures
Constitutive Laws and Thermophysical Properties
Real Gases
Compressible Liquids
Non-Newtonian Liquids
Water vapor condensation and relative humidity
Cavitation
Equilibrium cavitation model (for pre-defined water only)
Isothermal cavitation model (for user-defined liquids only)
Conjugate Heat Transfer
Joule Heating by Electric Current in Solids
Radiation Heat Transfer Between Solids
Environment and Solar Radiation
Discrete Transfer
The Discrete Transfer Equations
Clustering and Ray Tracing
Exchange Factor Calculation
Discrete Ordinates
The Discrete Ordinates Method
Absorption and Transmission
Reflection
Radiation Spectrum
Radiative Surface and Radiation Source Types
Radiative Surfaces
Radiation Sources
Simultaneous Use of Radiative Surface and Radiation Source Conditions
Viewing Results
Rotation
Global Rotating Reference Frame
Local rotating region(s) (Averaging)
Local rotating region(s) (Sliding)
Flows in Porous Media
General Approach
Perforated Plates in Boundary Conditions
Two-phase (fluid + particles) Flows
Lagrangian Approach for the Post-Processor Simulation
Free Surface
HVAC
Tracer Study
Local Mean Age
Comfort Parameters
Boundary Conditions and Engineering Devices
Internal Flow Boundary Conditions
External Flow Boundary Conditions
Wall Boundary Conditions
Periodic Boundary Conditions
Heat Pipes
Thermal Joints
Two-resistor Components
Printed Circuit Boards
Thermoelectric Coolers
Numerical Solution Technique
Computational Domain
Computational Mesh
Two-Scales Wall Functions Model
Spatial Approximations
Spatial Approximations at the Solid/Fluid Interface
Temporal Approximations
Form of the Numerical Algorithm
Methods to Resolve Linear Algebraic Systems
Iterative Methods for Non-Symmetric Problems
Iterative Methods for Symmetric Problems
Multigrid Method
Nested Iterations
Criterion of mass equation convergence
Criterion of energy equation convergence
Criterion of momentum equation convergence
Notes on the residuals behavior
Mesh Settings
Introduction
Types of Cells
Mesh Construction Stages
Basic Mesh
Control Planes
Contracting the Basic Mesh
Mesh Refinement
Refining Cells by Type
Advanced Refinement at Interfaces Between Substances
Small Solid Features Refinement
Curvature Refinement
Small Solid Feature Refinement Level or Curvature Level
Tolerance Refinement
Channel Refinement
Thin walls resolution
Automatic Mesh Setting
Minimum Gap Size and Minimum Wall Thickness
Level of Initial Mesh
Advanced channel refinement
Local Mesh Settings
Recommendations for Creating the Computational Mesh
Solution-vs.-Mesh Convergence Investigation
Calculation Control Options
Finishing the Calculation
Manual Time Step
Refinement of the Computational Mesh During Calculation
Flow Freezing
What is Flow Freezing?
How It Works
Flow Freezing in a Permanent Mode
Flow Freezing in a Periodic Mode
Radiation Freezing
Radiation Freezing in a Periodic Mode
Radiation Freezing in an Automatic Mode
References
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Unpublished work. © Siemens
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