Simcenter Testing Solutions Index of Simcenter Testing Knowledge Articles

Scroll down for list of all public Simcenter Test resources.

All Discussions, Articles, YouTube:

• Simcenter - Testing: Discussions | Articles | YouTube

Technical Discussions, Articles, YouTube: 

• Acoustics: Discussions | Articles | YouTube
• Digital Signal Processing: Discussions | Articles | YouTube
• Durability: Discussions | Articles | YouTube
• Human Body Vibration: Discussions | Articles
• Industrial Quality: Discussions | Articles | YouTube
• Rotating Machinery: Discussions | Articles | YouTube
• Structural Dynamics: Discussions | Articles | YouTube
• Sound Quality: Discussions | Articles | YouTube
• Transfer Path Analysis: Discussions | Articles | YouTube
• Vibration Control: Discussions | Articles | YouTube

Simcenter Test Products Discussions, Articles, YouTube:

• Simcenter Anovis: Discussions | Articles | YouTube
• Simcenter Qsources: Discussions | Articles | YouTube
• Simcenter SCADAS: Discussions | Articles | YouTube
• Simcenter Sound Camera: Discussions | Articles | YouTube
• Simcenter Soundbrush: Discussions | Articles | YouTube
• Simcenter Tecware: Discussions | Articles
• Simcenter Testlab: Discussions | Articles | YouTube
• Simcenter Testlab Automation: Discussions | Articles | YouTube
• Simcenter Testlab Data Acquisition: Discussions | Articles
• Simcenter Testlab Data Processing: Discussions | Articles
• Simcenter Testlab Displays: Discussions | Articles | YouTube
• Simcenter Testlab File Formats: Discussions | Articles
• Simcenter Testlab Neo: Discussions | Articles | YouTube
• Simcenter Testlab Scope App: Discussions | Articles
• Simcenter Testxpress: Discussions | Articles

1. Acoustics

• History of Acoustics
• Microphone Basics
• Sound Pressure
• What is a Decibel?
• What is A-weighting?
• Octaves and Human Hearing
• What is Sound Power?
• Simcenter Testlab Pass-by Noise Testing
• Sound Intensity
• Decibel Math
• What is the Acoustic Quantity called Q?
• Sound Absorption
• Sound Transmission Loss
• Measuring Transmission Loss using an Impedance Tube
• Measuring Transmission Loss using Rooms
• Measuring Sound Absorption with an Impedance Tube
• Measuring Sound Intensity
• Sound Intensity Analysis
• Noise Level Certification, How to Select the Right Standard?
• Sound Pressure, Sound Power, and Sound Intensity: What is the difference?
• Sound Fields: Free and Diffuse field, Near and Far Field
• NVH Testing and Data Acquisition
• Simcenter Testlab: HD Acoustic Camera
• Aero-Acoustic Wind Tunnel
• Direct Field Acoustic Noise (DFAN) testing
• Acoustic On-Demand Webinars
• Fundamentals of Sound Seminar - Part I
• Fundamentals of Sound Seminar - Part II
• Acoustic Testing YouTube Playlist

2. Digital Signal Processing

• What is a Fourier Transform?
• Digital Signal Processing: Sampling Rates, Bandwidth, Spectral Lines, and more...
• Gain, Range, Quantization
• Data Acquisition: Anti-Aliasing Filter
• Acquisition Filters and Overshoot
• Overloads
• Averaging Types: What's the Difference?
• Kurtosis
• Time-Frequency Analysis: Wavelets
• Spectrum versus Autopower
• Autopower Function...Demystified!
• Power Spectral Density
• Overlap: What, Why and How to Use It
• Shock Response Spectrum (SRS)
• Windows and Leakage
• Window Types
• Window correction factors
• Exponential Window Correction Factors
• RMS Calculations
• The Gibbs Phenomenon
• Introduction to Filters: FIR and IIR
• Digital Data Acquisition and Signal Processing Seminar
• Digital Signal Processing YouTube Playlist

3. Durability

• History of Fatigue
• Stress and Strain
• Introduction to Strain Gauges
• All About Accelerometers
• Digital Image Correlation for Static Testing
• Digital Image Correlation: Camera Considerations
• Calculating Damage with Miner's Rule
• What is a SN-Curve?
• Strain Life Approach
• Neuber's Rule
• Rainflow Counting
• Mean Stress Corrections and Stress Ratios
• Difference between 'Range-Mean' and 'From-To' Counting
• Power Spectral Density
• Shock Response Spectrum (SRS)
• Fatigue Damage Spectrum (FDS)
• How to Calculate a Shock Response Spectrum with Testlab?
• Some Thoughts on Accelerated Durability Testing
• Goodman-Haigh Diagram for Infinite Life
• Measuring Strain Gauges in Simcenter Testlab
• Rosette Strain Gauges
• Simcenter Testlab Measuring a Stringpot
• Calculating Damage in Simcenter Tecware Process Builder
• Simcenter Testlab Neo: Strain Life Method
• Simcenter SCADAS RS for Testing in Harsh Environments
• Strain Gauges: Selecting an Excitation Voltage
• Simcenter Testlab SCADAS and Long Strain Cables
• Durability On-Demand Webinars
• Durability and Fatigue Seminar
• Mission Synthesis Seminar
• Durability Testing YouTube Playlist

4. Industrial Quality 

• Simcenter Anovis: End of Line Quality Testing
• Noise and Vibration End of Line Testing
• Knock Detection Algorithm Development
• Non-Destructive Component Testing by Acoustic Resonance Analysis
• Industrial Quality YouTube Playlist

5. Modal Data Acquisition

• A Brief History of Modal Testing and Analysis
• Modal Testing: A Guide
• All About Accelerometers
• Simcenter Testlab Impact Testing
• Modal Impact Testing: Getting the Best FRF
• Modal Impact Testing: User Defined Impact Sequence
• What Modal Impact Hammer Tip Should I Use?
• Modal Testing: Driving Point Survey
• Modal Tips: Roving hammer versus roving accelerometer
• Attach Modal Shaker at Stiff or Flexible Area of Structure?
• Using Pseudo-Random for High Quality FRF measurements
• Multi Input Multi Output MIMO Testing
• Simcenter Testlab MIMO FRF Testing
• Simcenter Testlab MIMO Swept and Stepped Sine
• Ground Vibration Testing and Flutter
• Structural Dynamics and Vibration On-Demand Webinars

6. Modal Analysis and Operational Deflection Shape

• Natural Frequency and Resonance
• What is Frequency Response Function (FRF)?
• Dynamic Stiffness, Compliance, Mobility, and more...
• How to Calculate Damping from a FRF?
• Getting Started with Modal Curvefitting
• Modal Stabilization Diagram Tips
• Modal Assurance Criterion
• Correlating Simulation and Modal Test Results with Simcenter 3D
• Simcenter Testlab Modal Analysis: Modification Prediction
• Import CAD into Simcenter Testlab
• Animate CAD Geometry
• Alias Table: Mapping Test Data to Geometry
• Geometry in Simcenter Testlab
• Maximum Likelihood estimation of a Modal Model (MLMM)
• Simcenter Testlab: Multi-Run Modal Analysis
• Difference Between Residues and Residuals?
• What is Operational Modal Analysis?
• Performing Operational Modal Analysis in Simcenter Testlab
• What is an Operational Deflection Shape (ODS)?
• Making a Video of a Time Animation
• Rigid Body Property Calculator
• Making State Space Models from Modal Test Results
• Modal Testing Seminar
• Modal Analysis YouTube Playlist

7. Rotating Machinery

• What is an order?
• Torsional Vibration: What is it?
• Tips and Tricks for Acquiring Torsional Orders
• Zebra Tape Butt Joint Correction for Torsional Vibrations
• Measuring RPM: Missing Pulses
• Balancing: Static, Coupled, and Dynamic
• Removing Spikes from RPM Signals
• Using the Smoothing Function to Remove RPM Spikes
• RPM Calculation Problems and Laser Tachometers
• Simcenter Testlab Signature
• Fixed Sampling versus Synchronous Sampling
• Angle Domain Analysis
• Simcenter Testlab Combustion Analysis
• Harmonic Removal
• Simcenter Testlab: Colormap Displays
• Interpreting Colormaps
• Orbit Plots
• Cycle to Cycle Averaging in Simcenter Testlab
• Speed Sweep Data Processing: RPM Increment, Framesize, Sweep Rate, and Overlap
• Order Cuts: How to Get the Correct Amplitude?
• Knock Detection Algorithm Development
• Simcenter Testlab: Recalculating Levels with Orders Removed
• Human Body Vibration
• Simcenter Testlab: Switching Frequencies and PWM Signals
• Simcenter Testlab: Calculating Angular Difference
• Simcenter Testlab Turbine Testing
• Rotating Machinery Dynamics Seminar
• Gears Rotating Machinery Dynamics Seminar
• Rotating Machinery Testing YouTube Playlist

8. Sound Quality

• History of Acoustics
• Sound Pressure
• What is a decibel?
• What is A-weighting?
• Octaves and Human Hearing
• Loudness and Sones
• Calculating a Specific Loudness Spectrum in Simcenter Testlab
• How to Calculate N10 Time Varying Loudness in Simcenter Testlab?
• Articulation Index
• Speech Interference Level (SIL)
• Sharpness
• Auditory Masking
• Tonality
• Tone-to-Noise Ratio and Prominence Ratio
• Fluctuation Strength and Roughness
• Simcenter Testlab Neo: Modulation Metrics
• Critical Bands in Human Hearing
• Kurtosis
• Time-Frequency Analysis: Wavelets
• Calculating Abruptness of Signal
• Sound Quality Jury Testing
• Alter Speed of Rotating Sound for Listening
• Simcenter Testlab Audio Replay and Filtering
• Simcenter Testlab Sound Diagnosis
• Describing Sounds with Words
• Sound Quality Metrics Unleashed Seminar
• Tonal Sound Metric Seminar
• Sound Quality Jury Testing Seminar
• Sound Quality YouTube Playlist

9. Transfer Path Analysis

• An Introduction to Transfer Path Analysis
• Simcenter Testlab Transfer Path Analysis: Groupsets
• Simcenter Testlab Transfer Path Analysis: Component Editing
• Time Domain Transfer Path Analysis: Listening to Paths!
• Blocked Forces versus Contact Forces in Transfer Path Analysis (TPA)
• FRF Based Substructuring
• What is Frequency Response Function (FRF)?
• Dynamic Stiffness, Compliance, Mobility, and more...
• Transfer Path Analysis Data Naming
• Simcenter Testlab: Matrix-Heatmap Display
• What is the Acoustic Quantity called Q?
• Simcenter Testlab Virtual Prototype Assembly
• Obtaining Invariant Load: Practical Examples
• Transfer Path Analysis Seminar
• Virtual Prototype Assembly Seminar
• Transfer Path Analysis YouTube Playlist

10. Vibration Control

• What is Vibration Control Testing?
• All About Accelerometers
• Vibration Control FAQs
• Vibration Control: Understanding Selfcheck
• Vibration Control: System Identification and Verification
• Vibration Control: Test Sequencing
• Getting Started with Random Control
• Random Control: Averages per Loop, Frequency Resolution, Weighting, and DOFs
• Random Control: Measurement Channels
• Sine on Random (SoR), Random on Random (RoR), Sine on Random on Random (SoRoR)
• Power Spectral Density
• Simcenter Testlab: Breakpoint Generator
• Sine Control: Estimation Methods
• Sine Control: Closed Loop Control Parameters
• Sine Control: Notching
• Sine Data Reduction
• Creating COLA Channel from a Control Signal
• Tracked Sine Dwell
• Multi-Point Response Control Averaging
• Shock Response Spectrum (SRS)
• Classical Shock Pulses
• How to Calculate a Shock Response Spectrum with Testlab?
• Shock Response Analysis and Synthesis
• Fatigue Damage Spectrum (FDS)
• Single Axis Waveform Replication (SAWR)
• Direct Field Acoustic Noise Testing
• What is Total Harmonic Distortion (THD)?
• Kurtosis
• "Excessive DC Level" message
• Inverse Transfer Function (ITF) in Random Vibration Control
• Vibration Control Seminar
• Vibration Control YouTube Playlist

11. Simcenter Anovis

• Simcenter Anovis: End of Line Quality Testing
• Introduction to Simcenter Anovis Software
• Noise and Vibration End of Line Testing
• Knock Detection Algorithm Development
• Simcenter Anovis: Export to ATFX File Format
• Non-Destructive Component Testing by Acoustic Resonance Analysis
• Simcenter Anovis Support FAQs
• Industrial Quality YouTube Playlist

12. Simcenter Sound Camera

• Simcenter Sound Camera - Everything You Need to Know!
• Simcenter Sound Camera: Adding Additional Channels
• Simcenter HD Acoustic Camera
• HD Acoustic Camera: Improving Low Frequency Results
• HD Acoustic Camera: Calculating Sound Power
• Simcenter Sound Camera YouTube Playlist

13. Simcenter Testlab General

• Simcenter Testlab Overview
• Getting Started with Simcenter Testlab
• Simcenter Testlab Active Picture
• Simcenter Testlab Active Picture Plug-in Download
• Simcenter Testlab Token Licensing: What is it?  How does it work?
• Simcenter Testlab: Import/Export to Excel
• Simcenter Testlab: Documentation Tab
• Simcenter Testlab Data Calculator
• Simcenter Testlab Units
• Simcenter Testlab: Templates
• Simcenter Testlab: Keyboard and Mouse Shortcuts
• Simcenter Testlab: CTRL-PageUp and CTRL-PageDown to change worksheets
• Simcenter Testlab: How to Create a Custom Workflow
• How to Lockdown a Test in Simcenter Testlab
• Simcenter Testlab: Format Based Printing with Powerpoint
• Simcenter Testlab: Replace Data Origin...
• Simcenter Testlab: Batch Reporting
• Simcenter Testlab YouTube Playlist

14. Simcenter Testlab Installation

• What's New in Simcenter Testlab 2306
• Simcenter Testlab 2306: Download and Software Installation
• Simcenter Testlab: RLM Licensing Server Installation and Setup
• Simcenter 3D Driver for Simcenter Testlab
• Simcenter Testlab: Webkey Account Creation
• Installing Simcenter Testlab CAD Display
• What's New in Simcenter Testlab 2022
• What's New in Simcenter Testlab 2021
• What's New in Simcenter Testlab 2019

15. Simcenter Testlab Displays

• Simcenter Testlab: Display Layouts
• Simcenter Testlab: Customized Legend Text
• Simcenter Testlab: Curve Linestyles
• Simcenter Testlab: Cursor Tips and Tricks
• Simcenter Testlab: Coupled Cursors and Coupled Limits
• Simcenter Testlab: Interactive Order Cursor!
• Simcenter Testlab: Coupled Processing Cursors
• Simcenter Testlab: Colormap Displays
• Simcenter Testlab: Order Cursor vs Time in Colormap
• Simcenter Testlab: Colormap Swap Axes
• Simcenter Testlab: The "Double X cursor"
• Simcenter Testlab: Automatic Peak-Valley Cursor
• Simcenter Testlab: Harmonic Cursors
• Simcenter Testlab: XY Graph
• Simcenter Testlab: Orbit Plots
• Simcenter Testlab: Keyboard and Mouse Shortcuts
• Simcenter Testlab: Point Cloud Display
• Simcenter Testlab: Matrix-Heatmap Display
• Simcenter Testlab: Replace a Curve in a Display Directly?
• Simcenter Testlab: Locked and Scrolling Data
• Simcenter Testlab: Geometry Displays
• Simcenter Testlab: Overlay Mode Shapes
• Simcenter Testlab: Compare Data to Target Quickly with Preview Mode
• Simcenter Testlab Neo Displays
• Simcenter Testlab Display Seminar
• Simcenter Testlab: Cool Cursor Contest!
• Simcenter Testlab Displays YouTube Playlist

16. Simcenter Testlab Neo

• Simcenter Testlab Neo Introduction
• Simcenter Testlab Neo Displays
• Simcenter Testlab Neo Ribbon Tips
• Simcenter Testlab Neo: Pivot Table
• Simcenter Testlab Neo Process Designer
• Calculating and Comparing Orders and Overall Levels in Simcenter Testlab Neo
• Simcenter Testlab Neo: Combined, Block Calculator, and Signal Generation Methods
• Simcenter Testlab Neo Audio Replay
• Multiple Segment Processing with Simcenter Testlab Neo
• Syncing Video in Simcenter Testlab Neo
• Simcenter Testlab Neo Data Queries
• Simcenter Testlab Neo: Reporting
• Simcenter Testlab Neo: Strain Life Method
• Simcenter Testlab Neo: Mean Stress Corrections
• Using Simcenter Tecware Processes in Simcenter Testlab Neo
• Simcenter Testlab Neo: Modulation Metrics
• Simcenter Testlab Neo: Articulation Index
• Simcenter Testlab Neo: Calculating Signal Rise Rate
• Simcenter Testlab Neo: Geometry Creation
• Simcenter Testlab Neo: Operational Data Animation
• Simcenter Testlab Neo: Operational Data Animation During Runup/Rundown
• Simcenter Testlab Neo and Matlab
• Accessing Simcenter Amesim Models in Simcenter Testlab Neo
• Simcenter Testlab Neo and Functional Mock-Up Interface
• Simcenter Testlab Neo Advanced Tips Seminar
• Simcenter Testlab Neo YouTube Playlist

17. Simcenter Testlab Acquisition

• Simcenter Testlab Data Acquisition Tips
• Simcenter Testlab Signature
• Simcenter Testlab MIMO FRF Testing
• Hands-Free Acquisition (Almost)
• Capturing Transient Events in Simcenter Testlab
• Cool Channel Setup tricks for Triaxial Accelerometers
• Simcenter Testlab Thermocouples
• Copy Channel Setup from One Project to Another?
• View Channel Setup from Desktop Navigator!
• Data Acquisition Based on GPS Location
• How to calculate a VECTOR SUM
• Tips and Tricks for Acquiring Torsional Orders
• CAN Bus Measurements
• Simcenter Testlab: Tips for Trouble-free CAN Bus Operation
• No more tach! Use OBDII to get Engine and Vehicle Speed...
• Record Raw CANBUS Data and Decode Offline!
• Single Plane Balancing in Simcenter Testlab
• Measuring Strain Gauges in Simcenter Testlab
• All About Accelerometers
• Simcenter Testlab: Working with Charge Accelerometers
• Simcenter Testlab: Measuring Sound Intensity
• Bad Test Data? Let's Fix It!
• Correcting a Bad Calibration Factor
• Simcenter Testlab Calibration
• Simcenter Testlab: Using Transducer Electronic Data Sheets (TEDS)

18. Simcenter Testlab Time Signal Calculator

• Simcenter Testlab: Segments and Windows
• Simcenter Testlab: Time Signal Calculator Tips
• Simcenter Testlab: Saving a Segment
• Simcenter Testlab: Calculating Statistics from Time Histories
• Simcenter Testlab: Appending Time Histories
• Simcenter Testlab: Create a new recording from a segment cut
• Simcenter Testlab: Applying an arbitrary filter shape to a time history
• Simcenter Testlab: Integrating a Time History and Avoiding Offsets
• Analyzing PWM Signals with Time Signal Calculator
• Introduction to Filters: FIR vs IIR
• Applying a Custom Filter Shape: FILTER_FRF command
• Filter an Order and Listen to It
• Generate Custom Signals in Time Signal Calculator
• Removing Spikes from RPM Signals
• Harmonic Removal
• Rosette Strain Gauges

19. Simcenter Testlab Processing Tips

• Simcenter Testlab Throughput Processing Tips
• RPM Extraction in Simcenter Testlab
• Run Comparison in Simcenter Testlab
• Order Cuts: How to Get the Correct Amplitude?
• Time Signal Calculator Tips
• Simcenter Testlab: Calculating Statistics from Time Histories
• Simcenter Testlab: Appending Time Histories
• Simcenter Testlab: Create a New Recording from a Segment Cut
• Simcenter Testlab Sound Diagnosis
• Can I View Data in Google Earth?
• Importing Video in Simcenter Testlab Neo
• Simcenter Testlab: Calculating Angular Difference
• Analyzing PWM Signals in Simcenter Testlab
• Simcenter Testlab: Recalculating Levels with Orders Removed

20. Simcenter Testlab Automation

• What is Simcenter Testlab Automation?
• Simcenter Testlab Automation Forum
• Simcenter Testlab Automation: Application Objects
• Simcenter Testlab Automation: Parameters
• Simcenter Testlab Automation: Display Example
• Simcenter Testlab Automation: Cursor Example
• Simcenter Testlab Automation: Excel Export Example
• Simcenter Testlab Automation: Measurement Example
• Simcenter Testlab Automation YouTube Playlist

21. Simcenter Testlab and Simulation

• Accessing Simcenter3D Motion Results in Simcenter Testlab
• Nastran and Simcenter Testlab: Viewing Mode Shapes and FRFs
• Correlating Simulation & Modal Test Results with Simcenter 3D
• Using Simcenter Testlab Project Files in Simcenter 3D Correlation
• Reducing a FEA Model in Simcenter 3D
• How to Animate a Nastran mode in Simcenter 3D?
• Import ANSYS Geometry and Mode Shapes in Simcenter Testlab
• Accessing Simcenter Amesim Models in Simcenter Testlab Neo
• Simcenter Testlab Neo and Functional Mock-Up Interface
• Modal Analysis and FEA-Test Correlation Seminar
• Virtual Prototype Assembly Seminar

22. Simcenter SCADAS and other Acquisition Hardware

• Simcenter SCADAS
• Simcenter SCADAS Mobile and Recorder Hardware
• Simcenter SCADAS Main-Secondary Daisychain
• SCADAS XS: Everything You Need to Know!
• Simcenter SCADAS Cable Guide
• What's in the Box?  Getting Started with Simcenter SCADAS
• Simcenter SCADAS RS for Testing in Harsh Environments
• Quick Start Guide to SCADAS RS Hardware
• Simcenter SCADAS RS Recorder App
• Simcenter SCADAS RS: Assorted Tips and Tricks
• NVH Testing and Data Acquisition
• High Channel Count Dynamic Data Acquisition
• Simcenter Sound Camera
• Simcenter Testlab Array Data Reporting
• Simcenter Soundbrush
• Simcenter Testlab Scope App Favorites!
• Setup and Usage of SCADAS Recorder
• Wirelessly Transfer Data from SCADAS?
• Simcenter Testlab: Recorder Data Conversion Tool Instructions
• Simcenter Testlab Recorder Data Conversion Tool Download
• Single Ended versus Differential Inputs
• AC versus DC Coupling
• How to Use SCADAS T8 Thermocouple card?
• Working with Charge Accelerometers
• ICP versus IEPE versus Charge Accelerometers
• Ground Loops and How to Avoid Them
• How Long Can a Simcenter SCADAS run on Battery?
• Long Cable Lengths and ICP Transducers
• Long Cable Lengths and Strain Gauges
• Simcenter SCADAS YouTube Playlist

23. Simcenter Qsources

• Qsources: Acoustic and Structural Exciters
• Qsource Acoustic Exciters: Installation Videos
• Qsource Structural Exciters: Installation Videos
• Simcenter Qsources Q-HSH Tips
• Using Qsource Shakers in Harsh Environments
• How to Set Up the Simcenter Qsources Integral Shaker
• What is the Acoustic Quantity called Q?
• Simcenter Qsource YouTube Playlist

24. Simcenter Tecware

• Running Simcenter Tecware with Simcenter Testlab tokens
• Simcenter Tecware: Open Time Files fast!
• Simcenter Tecware: Overlay Multiple Signals in X and Y Display
• Simcenter Tecware: Access to Different File Formats
• Simcenter Tecware: Spike Filter
• Simcenter Tecware: Scale and Offset Segments
• Simcenter Tecware: Removing Multiple Segments
• Simcenter Tecware: Calculate Infinite Life with the Goodman Diagram
• Range-Mean versus From-To Cycle Counting
• Calculating Damage with Simcenter Tecware Processbuilder
• Using Simcenter Tecware Processes in Simcenter Testlab Neo
• Butterworth Filter "Regular" and "Zero Phase"