Table of Contents

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1. Analyzing Thermal Phenomena

1.1. How ANSYS Treats Thermal Modeling

1.1.1. Convection

1.1.2. Radiation

1.1.3. Special Effects

1.1.4. Far-Field Elements

1.2. Types of Thermal Analysis

1.3. Coupled-Field Analyses

1.4. About GUI Paths and Command Syntax

2. Steady-State Thermal Analysis

2.1. Available Elements for Thermal Analysis

2.2. Commands Used in Thermal Analyses

2.3. Tasks in a Thermal Analysis

2.4. Building the Model

2.4.1. Using the Surface Effect Elements

2.4.2. Creating Model Geometry

2.5. Applying Loads and Obtaining the Solution

2.5.1. Defining the Analysis Type

2.5.2. Applying Loads

2.5.3. Using Table and Function Boundary Conditions

2.5.4. Specifying Load Step Options

2.5.5. General Options

2.5.6. Nonlinear Options

2.5.7. Output Controls

2.5.8. Defining Analysis Options

2.5.9. Saving the Model

2.5.10. Solving the Model

2.6. Reviewing Analysis Results

2.6.1. Primary data

2.6.2. Derived data

2.6.3. Reading In Results

2.6.4. Reviewing Results

2.7. Example of a Steady-State Thermal Analysis (Command or Batch Method)

2.7.1. The Example Described

2.7.2. The Analysis Approach

2.7.3. Commands for Building and Solving the Model

2.8. Performing a Steady-State Thermal Analysis (GUI Method)

2.9. Performing a Thermal Analysis Using Tabular Boundary Conditions

2.9.1. Running the Sample Problem via Commands

2.9.2. Running the Sample Problem Interactively

2.10. Where to Find Other Examples of Thermal Analysis

3. Transient Thermal Analysis

3.1. Elements and Commands Used in Transient Thermal Analysis

3.2. Tasks in a Transient Thermal Analysis

3.3. Building the Model

3.4. Applying Loads and Obtaining a Solution

3.4.1. Defining the Analysis Type

3.4.2. Establishing Initial Conditions for Your Analysis

3.4.3. Specifying Load Step Options

3.4.4. Nonlinear Options

3.4.5. Output Controls

3.5. Saving the Model

3.5.1. Solving the Model

3.6. Reviewing Analysis Results

3.6.1. How to Review Results

3.6.2. Reviewing Results with the General Postprocessor

3.6.3. Reviewing Results with the Time History Postprocessor

3.7. Reviewing Results as Graphics or Tables

3.7.1. Reviewing Contour Displays

3.7.2. Reviewing Vector Displays

3.7.3. Reviewing Table Listings

3.8. Phase Change

3.9. Example of a Transient Thermal Analysis

3.9.1. The Example Described

3.9.2. Example Material Property Values

3.9.3. Example of a Transient Thermal Analysis (GUI Method)

3.9.4. Commands for Building and Solving the Model

3.10. Where to Find Other Examples of Transient Thermal Analysis

4. Radiation

4.1. Analyzing Radiation Problems

4.2. Definitions

4.3. Using LINK31, the Radiation Link Element

4.4. Modeling Radiation Between a Surface and a Point

4.5. Using the AUX12 Radiation Matrix Method

4.5.1. Procedure

4.5.2. Recommendations for Using Space Nodes

4.5.3. General Guidelines for the AUX12 Radiation Matrix Method

4.6. Using the Radiosity Solver Method

4.6.1. Procedure

4.6.2. Further Options for Static Analysis

4.7. Advanced Radiosity Options

4.8. Example of a 2-D Radiation Analysis Using the Radiosity Method (Command Method)

4.8.1. The Example Described

4.8.2. Commands for Building and Solving the Model

4.9. Example of a 2-D Radiation Analysis Using the Radiosity Method with Decimation and Symmetry (Command Method)

4.9.1. The Example Described

4.9.2. Commands for Building and Solving the Model