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1. Introduction
1.1. How the Program Automates a Cyclic Symmetry Analysis
1.2. The General Cyclic Symmetry Analysis Equations
1.3. Commands Used in a Cyclic Symmetry Analysis
2. Cyclic Modeling
2.1. The Base Sector
2.1.1. Mistuning Considerations
2.2. Edge Component Pairs
2.2.1. CYCOPT Auto Detection Tolerance Adjustments for Difficult Cases
2.2.2. Identical vs. Dissimilar Edge Node Patterns
2.2.3. Unmatched Nodes on Edge-Component Pairs
2.2.4. Identifying Matching Node Pairs
2.3. Modeling and Loading Considerations
2.3.1. Modeling Considerations
2.3.2. Loading Considerations
2.4. Model Verification (Preprocessing)
3. Cyclic Symmetry Overview
3.1. Understanding the Solution Architecture
3.1.1. The Duplicate Sector
3.1.2. Coupling and Constraint Equations (CEs)
3.1.3. Non-Cyclically Symmetric Loading
3.2. Database Considerations After Obtaining the Solution
3.3. Model Verification
3.4. Postprocessing a Cyclic Symmetry Analysis
3.4.1. General Considerations
3.4.2. Using the /CYCEXPAND Command
3.4.3. Result Coordinate System
3.5. Comparing Cyclic Solutions
4. Cyclic Symmetry Analyses
4.1. Modal Cyclic Symmetry Analysis
4.1.1. Understanding Harmonic Index and Nodal Diameter
4.1.2. Stress-Free Modal Analysis
4.1.3. Prestressed Modal Cyclic Symmetry Analysis
4.1.4. Large-Deflection Prestressed Modal Cyclic Symmetry Analysis
4.1.5. Unsymmetric Modal Solution for Fluid-Structure Interaction
4.1.6. Damped and QR Damped Modal Solution
4.1.7. Postprocessing a Modal Cyclic Symmetry Analysis
4.2. Harmonic Cyclic Symmetry Analysis
4.2.1. Full Harmonic Cyclic Symmetry Analysis
4.2.2. Mode-Superposition Harmonic Cyclic Symmetry Analysis
4.3. Aero Coupling
4.3.1. Computing Aerodynamic Coupling Coefficients
4.4. Static Cyclic Symmetry Analysis
4.4.1. Cyclic Symmetry Initial State
4.4.2. Postprocessing a Static Cyclic Symmetry Analysis
4.5. Linear Buckling Cyclic Symmetry Analysis
4.5.1. Postprocessing a Linear Buckling Cyclic Symmetry Analysis
4.6. Magnetic Cyclic Symmetry Analysis
5. Example Cyclic Symmetry Analyses
5.1. Example Modal Cyclic Symmetry Analysis
5.1.1. Problem Description
5.1.2. Problem Specifications
5.1.3. Input File for the Analysis
5.1.4. Analysis Steps
5.2. Example Buckling Cyclic Symmetry Analysis
5.2.1. Problem Description
5.2.2. Problem Specifications
5.2.3. Input File for the Analysis
5.2.4. Analysis Steps
5.2.5. Solve For Critical Strut Temperature at Load Factor = 1.0
5.3. Example Full Harmonic Cyclic Symmetry Analysis
5.3.1. Problem Description
5.3.2. Problem Specifications
5.3.3. Input File for the Analysis
5.3.4. Analysis Steps
5.4. Example Mode-Superposition Harmonic Cyclic Symmetry Analysis with Mistuning
5.4.1. Problem Descriptions
5.4.2. Finite Element Model of the Problem
5.4.3. Input File for the Analysis
5.4.4. Analysis Steps
5.5. Example Magnetic Cyclic Symmetry Analysis
5.5.1. Problem Description
5.5.2. Problem Specifications
5.5.3. Input file for the Analysis
5.6. Example Full Harmonic Cyclic Symmetry Analysis with Fluid-Structure Interaction
5.6.1. Problem Description
5.6.2. Problem Specifications
5.6.3. Input File for the Analysis
5.6.4. Analysis Steps
5.7. Example Damped Modal Cyclic Symmetry Analysis
5.7.1. Problem Description
5.7.2. Problem Specifications
5.7.3. Input File for the Analysis
5.7.4. Analysis Steps
5.8. Example Rotating Cyclic Symmetry Modal Analysis with Coriolis Effects
5.8.1. Problem Description
5.8.2. Problem Specifications
5.8.3. Input File and Input Listing for the Analysis
5.8.4. Output for the Analysis