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Finite Element Modeling for Heat Transfer Simulation

Total Length: 2  Days

This two day workshop is targeted at engineers responsible for analyzing the thermal response of structures and components, such as heat exchangers, furnaces, batteries, brakes, internal combustion engines, rocket engines and pressure vessels. The course focuses on performing steady-state, transient, linear and nonlinear thermal analyses. After completing the seminar, analysts should be able to analyze thermal responses of structures involving conduction, convection and radiation and the response of structures exhibiting special heat transfer phenomena including thermal-stress coupling and phase change.

The Finite Element Modeling for Heat Transfer Simulation workshop topics will include:  

  • Introduction,  Fundamental Concepts
    • Heat transfer basics
    • Finite element approach, error estimation
    • Beyond linear static
    • Element library
  • Steady State Heat
    • Definitions, thermal analysis template
    • Thermal loads and boundary conditions
    • Steady state heat transfer example
  • Additional Considerations for Nonlinear Analysis
    • Postprocessing considerations
    • Loading, solution techniques and convergence
    • Time considerations
    • Starting temperature and convergence
    • Output controls and postprocessing
  • Transient Analysis
    • Definitions and preprocessing
    • Time and Solution procedure
    • Initial Conditions, Time Integration and Loading
    • Time history Postprocessing
  • Complex, Time and Spatially Varying Boundary Conditions
    • Tabular boundary conditions
    • Primary variables, FLUID116 and SURF15x special considerations
    • Defining and Checking Tables using APDL, examples
    • Time step control and output control
  • Additional Convection/Heat Flux Loading Options and Simple Thermal/Flow Elements
    • Surface effect elements, convection links, contact resistance, 1-D thermal flow with FLUID116, interfacing with surface effect elements (FLUID116), example with mass transport
  • Radiation Heat Transfer
  • Overview, general characteristics, ANSYS and radiation, form factors, modeling radiation in ANSYS, using surface effect elements, using link elements, radiation matrix utility (AUX12), radiosity solver method, example.

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