About this Manual
Introduction
Pre-processing
Calculate
Post-processing
Tdyn Reference
Conditions
Conditions available in module RANSOL
Fix Pressure
Fix Velocity
Fix Velocity Component
Fix Velocity Direction
Remove Velocity Conditions
Pressure Field
Velocity Field
Fix Turbulence
Fix Null Gradient
Conditions available in module HEATRANS
Fix Temperature
Temperature Field
Conditions available in module ADVECT
Fix Concentration
Concentration Initial
Conditions available in module NAVAL
Fix Beta
Materials
Fluid Material
Options available in module RANSOL
Options available in module HEATRANS
Options available in module ADVECT
Solid Material
Options available in module HEATRANS
Boundaries
Fluid Body
Options available in module RANSOL
Options available in module HEATRANS
Fluid Boundary
Options available in module RANSOL
Options available in module HEATRANS
Solid Boundary
Options available in module HEATRANS
Free Surface
Options available in module NAVAL
Problem Data
Problem
Options available in Problem tag
Options available in General tag
Options available in Turbulence tag
Options available in Write Results Tag
Options available in Other Tag
Solver
Options available in Fluid Solver tag
Options available in Solid Solver tag
Options available in Convergence Norms tag
Units
Options available in OutPut Units tag
Options available in Geometry Units tag
Options available in Boundary Units tag
Create Report tool
Tdyn Wizard
Preliminary step (read or create the geometry based on standard layers)
Create control volume
Define Data
Generate Mesh
Calculate
Postprocessing
Making Graphs
Reporting
Update Sink and Trim Data
Function Syntax
Turbulence modelling
RANS equations and turbulence models
Classes of turbulence models available in Tdyn
Algebraic (or zero-equatjon) models (Smagorinsky and Mixing Length models)
One-equation models (Kinetic energy or k model and Spallart-Allmaras model)
Two-equation models (k-ε model, k-ω model, k-ω SST model, k-kt model)
Final recommendations on turbulence modelling
Near wall-modelling
Law of the Wall functions
Weaknesses of the k-ε model with wall functions
Some comments on Boundary Conditions
General guidelines on boundary conditions
Specification of turbulence quantities at an inlet
Stern flow modelling in transpiration problem
Tdyn calculation files description
Problem files description
Executing Tdyn Solver
References