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nCode GlyphWorks Product Options

nCode GlyphWorks Product Options

nCode GlyphWorks allows you to build the capability and tools you need in your data analysis software from an ever increasing Glyph list!

The basic GlyphWorks package is GlyphWorks Fundamentals – users can simply add the functionality they need – or purchase one of the preconfigured bundles designed for target applications.

GlyphWorks Fundamentals

GlyphWorks Fundamentals provides visualization and basic manipulation, frequency spectrum analysis and filtering capability. Report layouts can be interactively designed and these reports automatically generated by including as part of the analysis process. Fundamentals is a pre-requisite for all other product options.

The Fundamentals package includes support for a wide range of data formats and types of displays. The Super Glyph capability enables multiple analysis functions to be encapsulated as a single glyph that can be saved and re-used.

  • Input multiple formats
  • Channel calculator
  • Channel reassignment
  • Filtering
  • Extraction and concentration
  • Statistics and running statistics
  • Resampling
  • Unit conversion
  • Frequency analysis
  • Time at level analysis
  • Rainflow counting
  • Graphical editor
  • Visualization and reporting
  • Output multiple formats
  • Batch and interactive interfaces
  • Super Glyph encapsulation
  • ScheduleCreate durability duty cycle definition

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The Signal option delivers additional signal analysis capability and is particularly well-suited to durability test applications.. It also provides a set of glyphs to detect ‘features’ within time series data. These glyphs are powerful tools used to find problems within data such as spikes, drift and flat-lines. These features within the data can then be viewed and corrected automatically using other glyphs such as the Graphical Editing glyph.

  • Level crossing counting
  • Joint distribution analysis
  • Peak valley slice
  • PSD to rainflow cycle counting
  • Trend removal
  • Markov counting
  • Relative damage calculation
  • Flat-line detection
  • Drift and spike detection
  • Frequency-banded relative damage spectrum
  • Rainflow exploration

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GlyphWorks provides the industry-leading fatigue analysis technology you need to calculate fatigue life from measured data. You can correct for mean stress and surface finish effects, even back calculate from each data channel to determine a scale or fatigue concentration factor required to achieve a target life. You can then review damage histograms to determine which load cycles were most damaging, even output damage time histories to show exactly when the damage occurred. A database with commonly used fatigue data is also provided.

  • Stress-Life method uses a nominal stress approach for high-cycle conditions or non-metallic applications.
  • Strain-Life method is more appropriate for more severe loading conditions (low-cycle fatigue) – where plasticity is significant.
  • Creep Analysis - performs creep calculation for time in hours to rupture. Supports Larson-Miller and Chaboche methods.
  • Crack Growth provides linear elastic fracture mechanics in the GlyphWorks environment.

Crack Growth provides a complete fracture mechanics capability using industry standard methodologies, an open environment for users to embed their own algorithms – and the advanced reporting and quality assurance capabilities of GlyphWorks. Built-in growth laws include NASGRO3, Forman, Paris, Walker and more.

Crack Growth provides both backward compatibility with your legacy in-house solutions, along with a future-proof development tool for implementing new methodologies. The package effectively masks its high technology architecture behind a state-of-the-art graphical user interface that offers an intuitive and elegant view of the analysis along with full reporting facilities. Predicting how a crack will propagate after initiation is now easy.

Download available:
A Practical Discussion on Fatigue

Webinars available:

Introduction to Fatigue Analysis Theory

Advanced Fatigue Calculations with nCode GlyphWorks



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Fatigue Editing

Driving a time domain simulation rig such as a vehicle 4-post rig typically requires large amounts of measured data. Fatigue Editing is an option used to perform damage sensitive editing to generate shorter time series data that retain the required damage.

  • Shorten multi-axial durability tests while retaining damage to save time and money
  • Assess the trade-off between time saved and damage retained across multiple channels

A highly flexible tool, Fatigue Editing uses the powerful Fatigue glyphs enabling the user complete control over the parameters used in the damage calculations.

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Accelerated Testing

Vibration qualification for environmental testing can be a time-consuming process.

Accelerated Testing provides the ability to create a representative PSD or swept sine shaker vibration test based on measured data. It enables the combination of multiple time or frequency domain data sets into representative test spectra that accelerates the test without exceeding realistic levels.

  • Quantify and compare the vibration levels and fatigue damage for given vibration (electro-dynamic shaker) tests
  • Accelerate a vibration test, using objective, justifiable and quantitative methods
  • Qualify a component in a new vibration environment using read-across evidence from a qualification in another vibration environment

GlyphWorks Accelerated Testing is the only known supported commercial software that makes it possible to quantify the fatigue damage of a vibration test.

The Accelerated Testing capability of GlyphWorks is based on GAM EG-13/NATO AECTP200 standards and allows the users to design test scenarios that take a fraction of the time of a traditional test. GlyphWorks also enables measured test data to be compared with the severity of the testing profile, thus enabling assessment of whether components in service will likely to survive the target service life. This known safety margin may help extend the life of parts in service or conversely avoid unexpected failures.

Downloads available:

White Paper: New Techniques for Vibration Qualification of Vibrating Equipment on Aircraft

White Paper: Methods for Accelerating Dynamic Durability Tests

White Paper: Accelerated Vibration Testing Based on Based on Fatigue Damage Spectra

White Paper: Synthesis of an Engine Vibration Specification and Comparison with Existing Qualification Specifications

Case Study: AgustaWestland selects GlyphWorks for Super Lynx 300

Brochure: Accelerated Testing Module Details


Accelerated Testing for Shaker Table Tests

Introduction to Accelerated Testing in nCode GlyphWorks

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Optimized Testing

Physical durability testing often requires determination of the optimum, most efficient mix of events required to match an overall target. Optimized Testing provides a proven approach to find the optimum solution across many channel locations.

  • Significantly reduce proving ground track usage
  • Optimize testing schedules and reduce testing time
  • Understand how real world usage compares to track data
  • Rapidly share different proving grounds or duty cycles

A wide range of inputs from measured data such as rainflow cycle counts or relative damage values enables many industry applications. The optimization methods for best fit least-squares regression and constrained minimization routines employ robust algorithms from IMSL® Numerical Library.

Downloads available:

Brochure: Optimized Testing Module Details

Case Study: Millbrook uses GlyphWorks to Deliver Unrivalled Vehicle Test Service

White paper: Proving Ground Optimisation based on Fatigue Damage Spectra


Optimzed Testing for Proving Grounds

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The Frequency option provides a powerful, simple to use range of noise and vibration analysis capability with particular application to rotating machinery, octave analysis and frequency response. Specific functionality is also provided to assess vehicle ride quality analysis to ISO 2631 Whole Body Vibration standard and hand-arm vibration assessment to ISO 5349 standard.

  • Frequency response for gain, phase and coherence of linear systems
  • Joint time frequency
  • Octave analysis in accordance with ANSI S1.11-2004
  • Spectrum weighting
  • Waterfall analysis for rotating machinery
  • Waterfall display including cursor slicing
  • Custom Fourier filter for user-defined filter definition
  • Weighting filters including A, B, C noise filters and human body vibration in accordance with ISO2631, ISO5349


An Overview of Vibration Analysis in nCode GlyphWorks

Vibration of Rotating Machinery

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GPS Display

GPS Display glyph plots latitude and longitude GPS data on a map or grid background. Data can be also exported to Google KML file to enable easy viewing in Google Maps or Google Earth. The embedded mapping capability in the GPS Display glyph requires Microsoft® MapPoint® 2006 or 2009 to be installed. The GPS Display also supports feature lists allowing locations of interest on the data lines to be automatically identified and marked. For example, show where speed or temperature exceeded a certain value directly on the map. Regions for editing data can be defined based on geographical location.

GPS Processing enables vehicle performance data to be estimated from low sample rate GPS data. Calculated channels include speed, percent gradient, yaw rate and, lateral acceleration. It can even be used to estimate engine power and braking power.

See GPS Visualization and Processing presentation for more information.

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Media Display

Media Display glyph enables video and audio signals to be played using Windows Media player embedded in the glyph. It also enables cursor synchronization with other data displays to gain insight on what was occurring in other signals. A Gauge Display glyph enables synchronized values to be displayed during playback in a variety of styles such as angular gauges or digital read-outs.

See Video Synchronization demo

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Search and select data from your ASAM ODS database from within GlyphWorks! The interface to the ASAM ODS data enables interactive browsing, editing of metadata and searching based on metadata all from within GlyphWorks. ASAM ATF and XTAF files are also supported and can be both imported and exported from GlyphWorks.

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IMSL Statistics

IMSL Statistics includes a Curve Fitting glyph for linear regression, polynomial regression up to 9th order and spline fitting and a Weibull Analysis glyph. These glyphs uses statistical routines of the IMSL® C Numerical Library. These mathematics and statistics functions can also be accessed using Python programming in the Scripting glyph (see GlyphBuilder option) using the special Python-enabled PyIMSL™ which is also distributed with GlyphWorks.

(IMSL is a registered trademark of Visual Numerics, Inc in the U.S. and other countries).

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GlyphBuilder combines both Scripting glyph and Open glyph capabilities, enabling users to add their own unique or proprietary methods and file formats to GlyphWorks. The Scripting glyph enables new functionality to be added to GlyphWorks by using MATLAB or Python programming language (can be downloaded at With GlyphBuilder, users have the power to literally write their own glyphs!

Open Glyph directly enables external applications to be accessed from within a GlyphWorks process. The Open Glyph executes a given command line operation and in this way external code or scripts such as Visual Basic, Java, nCL, C++ etc., can all be called using data from the GlyphWorks process.

Webinar: Learn a better way to use MATLAB for test data analysis

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