Essentials Course Overview

Course Description

This course will provide users with understanding of the underlying principles of CFD simulations. It includes discussion on reasons for geometry simplification, streamlining mesh process, describing the nature of different solution models and essentially improving accuracy and speed of simulation. Detailed discussion on appropriate use of devices to simplify simulation; thorough understanding of boundary condition behaviors and key difference in steady state and transient analysis are covered.

Course Duration

3 Days.

Objective

To impart deeper understanding of workings and principles in CFD simulations.

What Will You Learn?

  • Reasoning and principle guides for geometry simplification.
  • Material devices and its usage to setup an efficient and stable simulation.
  • Understanding nature of boundary condition to ensure best possible setup.
  • Choosing the correct solution scheme for stability.
  • Troubleshooting errors.

Who Should Attend?

Users of Autodesk Simulation CFD Essentials.

Course Outline

Advanced Geometry Preparation

  • 3D model simplification considerations
  • Sizing fluid control volumes
  • Fluid region extensions and considerations

Meshing Optimization

  • Advanced meshing control
  • Mesh coarsening/refinement
  • Boundary layers and its use
  • Choosing appropriate 3D parts to suppress
  • Avoiding high nodal aspect ratio

Components and devices in material library

  • Nature and settings of devices/components
  • Example usage of devices/components (heat exchangers, pumps and fan etc)

Understanding Boundary Conditions

  • Dirichlet boundary conditions
  • Neumann boundary conditions
  • Special considerations in assigning boundary conditions
  • Settings to promote stability of solution

Steady State & Transient Analysis

  • Key differences in simulation and solution
  • Choosing appropriate solver
  • Concepts of initial conditions

Specialized Simulation Physics

  • Setting up solar heating (sun radiation)
  • Liquid sloshing in half filled tanks
  • Liquid condensation
  • Steam quality simulation
  • Fluid missing setup

Laminar & Turbulence Modeling

  • Laminar flow concept and application
  • Turbulence flow concept and application
  • Turbulence models
  • Turbulence equation parameters and controls

Simulation Errors Troubleshooting

  • Meshing errors
  • Material setup errors
  • Divergence and solver errors

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