Operating Deflection Shape Analysis - An operating deflection shape analysis (ODS analysis) provides the deformation shape of a structure in response to the forces that are applied to the structure during its operation The animated structure below is a steam turbine/gear box/pedestal system that was setting off vibration alarms and cracking .
Operating Deflection Shape & Modal Analysis Electric Motor, Gearbox and Compressor Machine Train An operating deflection shape (ODS) is defined as the deflection pattern or shape of a mechanical structure (machine or machine components) at a particular frequency (typically at , Continue reading →
The use of Operating Deflection Shapes (ODS) to model ,
Operating Deflection Shape (ODS) analysis is a relatively easy method used for visualisation of the vibration pattern of a machine or structure as influenced by its own operating forc Objectives The investigation employs a software package that allows the user to ,
Operating Deflection Shape (ODS) ODS analysis is a method used for visualization of the vibration pattern of a machine or structure as influenced by its own operating forc This is as opposed to the study of the vibration pattern of a machine under an (known) external force analysis, which is ,
Field Testing & Troubleshooting | Mechanical Solutions Inc
To measure the operating deflection shape, the system must be run at steady state conditions for an extended period, typically one to several hours depending on the complexity and size of the system Depending on the type of machinery involved, this often means constant speed, power, flow, pressure, etc
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HEAD acoustics - Consulting - NVH Division - Consulting ,
NVH Consulting - Modal Analysis and Operating Deflection Shape (ODS)) Modal analysis is the process of analyzing and predicting structural dynamic behavior in terms of frequency, damping and mode shap Based on the dynamic properties of an elastic structure, acoustic characteristics can be predicted and, moreover, controlled and optimized
What is Operating Deflection Shape (ODS) Analysis ,
Sep 01, 2014· Operating Deflection Shape (ODS) analysis is a method used for visualisation of the vibration patterns of a machine or structure caused by unknown operating forc This is different from the study of the vibration patterns of a machine under known external forces, which is usually referred to as Modal Analysis
Is It a Mode Shape, or an Operating Deflection Shape
Is It a Mode Shape or an Operating Deflection Shape? Mark H Richardson, Vibrant Technology, Inc, Jamestown, California Abstract Mode shapes and operating "deflection" shapes are relat-ed to one another In fact, one is always measured in or-der to obtain the other Yet, they are quite different from one another in a number of ways
ODS - Operating Deflection Shape Modal Analysis >All Solutions MODS MObile DAQ System MODS is the new ultraportable, accurate and flexible system for noise and vibration measurement Read more Servic Coaching and expertise Customization Training Support >All servic
Theory - Experimental Modal Analysis (with primary focus on impact excitation) Theory - Operating Deflection Shape (ODS) analysis Extensive overview of MEscope software and hands on use (about 50% of class time)
Operating Deflection Shape (ODS) and Modal Analysis
Operating Deflection Shape (ODS) and Modal Analysis ODS Services: VAI is highly experienced in performing ODS tests Our experience includes motors, pumps, gearboxes, turbines, fans, piping, conveyor heads and what may be the largest ODS test performed in the power Industry (a turbine generator and two floors of the turbine building)
OPERATING DEFLECTION SHAPE ANALYSIS An ODS is a 3D representation of any machine structure or component to determine either excited natural frequencies or structural weakness This allows for actual operating conditions to be analyzed in 3D visual forms .
Using Operating Deflection Shapes to Detect Faults in ,
May 12, 2011· Surendra N Ganeriwala (Suri, Schwarz, Brian and Richardson, Mark “Using Operating Deflection Shapes to Detect Unbalance in Rotating Equipment” Proceedings of International Modal Analysis Conference (IMAC XXVII), February, 2009
BK Connect Operating Deflection Shapes – Brüel & Kjær ,
BK Connect Operating Deflection Shap Intuitive software supporting time, spectral and run-up/-down operating deflection shapes (ODS) analysis Request a quote This BK Connect software performs analysis for time, spectral and run-up/down ODS It determines the vibration pattern of a structure under given operating conditions; how the .
Modal Analysis and Operating Deflection Shape Services:
Modal Analysis and Operating Deflection Shape Services: The science and art of experimental modal and ODS techniques come together to provide a picture of equipment behavior identifying faulty operation Experimental modal analysis provides a representation of equipment performance by graphically displaying the modal frequencies (resonances) and the associated shape of each mode
Operating deflection shape (ODS), is a term often used in the structural vibration analysis, known as ODS analysisODS analysis is a method used for visualisation of the vibration pattern of a machine or structure as influenced by its own operating forc
Operating Deflection Shape The tools that are used for modal testing may also be used to generate an operating deflection shape This field test technique provides visual information about how a machine and/or structure is responding ,
Operating Deflection Shape The tools that are used for modal testing may also be used to generate an operating deflection shape This field test technique provides visual information about how a machine and/or structure is responding to dynamic forc By measuring vibration data at seve
Operational Deflection Shape The Operating Deflection Shape (ODS) is the simplest way to see how a machine or structure moves under given operating conditions The ODS contains the overall dynamic response of a structure due to forced and resonant vibration There are two ways in order to make an ODS: Time-based ODS
The technique is known as operating deflection shape analysis Operating Deflection Shape Analysis is a method for quantifying prevailing operating modes of vibration on complicated structures, which are then displayed in an exaggerated visual animation, showing scaled amplitudes, phases and directions of movement at each position
Study the vibration pattern of a structure under given operating conditions ARTeMIS Modal includes time as well as frequency domain Operating Deflection Shapes (ODS) These features allow you to study the overall vibration pattern either over a time segment or at a specific frequency
STAR - Operating Deflection Shape - SPECTRAL DYNAMICS
Accurate Operating Deflection Shape Analysis The STAR6 System™ generates scaled operating deflection shapes by using autopower and cross spectra in addition to transmissibility measurements- all with the same instrumentation setup The result: You get accurate deflection shapes that are scaled to acceleration, velocity, displacement, or g’s
An Operating Deflection Shape (or ODS) consists of vibration measurements taken at various points on a machine or structure The measurements are taken while the machine is operating Clear Motion ODS is a software package designed for building structural models, and applying measured values to the models to generate animations of the .
Introduction to Operating Deflection Shapes by Vibrant ,
Operating Deflection Shap Now an affordable modal software providing a comprehensive package for modal test, for modal experts as well as novice engineers The OROS Modal software is designed for modal analysis, structural dynamics and operating deflection shapes (ODS vibration)
Operating deflection shape analysis (ODS analysis) provides the deformation shape of a structure in response to the forces that are applied to the structure during its operation Often it is the forced shape during operation that we want to see, as when we characterize an issue with a unstable control system as the ODS shape is often non-linear
Operating deflection shape analysis of machines and equipment The operating deflection shape analysis determines the vibration behavior of an object in a specific operating state In contrast to the modal analysis, it requires no active external vibration excitation eg by means of a shaker
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