Vibration Analysis and Monitoring

V i b r a t i o n testing & analysis StructurAl IntegrIty ASSocIAteS, Inc.®

Temporary or permanent mount monitoring systems

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46 45

0.06 44

0.05 43 0.04 42 0.03 0.02 41

0.01 40 0

Frequency [Hz] 500 1000 1500 2000 2500 3000 3500 4000

Time [s] 39

Powerful signal processing software processes steady-state as well as transient data

Fatigue and fracture mechanics analyses from our experts to investigate vibratory failures

Structural Integrity Associates, Inc. (SI) offers vibration testing and analysis services that cover a broad range of industrial client needs in this area. Utilizing our hardware and software offering in conjunction with our advanced analytical capabilities, we are able to offer solutions to a wide variety of industrial vibration problems.

OUr ServIceS InclUde: ■ Piping vibration testing and analysis ■ Modal testing and analysis ■ Finite element modeling ■ Transient torsional vibration measurements ■ Acceptance criteria determination ■ Signal processing and data analysis ■ customized hardware and software solutions to unique problems

HArdwAre OPTIOnS SI is a member of the national Instruments (nI) Alliance Program and is able to provide customized solutions based on the full spectrum of nI’s data acquisition products. Available systems range from portable cdAQ-based systems to high channel count PXI- and ScXI-based systems. These systems can be used as temporary diagnostic tools, or can be permanently installed as continuous monitoring systems based on customer requirements.

SOFTwAre SOlUTIOnS SI’s offerings include a variety of systems for diagnosing vibration problems and monitoring critical equipment. Systems delivered to our customers include:

■ MinidAS – Ultra-Portable data Acquisition System ■ TTvMS – Transient Torsional vibration Monitoring System ■ versadAS – data Acquisition System

Features available: ■ Triggered data recording (including pretrigger) ■ Frequency band monitoring ■ warning and alarm generation ■ Output to plant computer ■ relay closure upon alarm

Our data acquisition and monitoring software can be customized to meet special customer needs. SI’s software is written in

AdvAnced AnAlyTIcAl cAPAbIlITIeS In addition to data capture and monitoring, SI offers powerful analytical and post-processing capabilities.

ANSYS-Based Design Modification Our finite element analysis experts are able to provide vital vibratory mode shape and frequency information using AnSyS to help tune structures to avoid resonance conditions.

Several advanced GUI based post-processing tools have been developed in Matlab to aid problem solving. both steady-state and transient data analyses are available.

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V i b r a t i o n testing & analysis

Modal and Operating Deflection Shape (ODS) Determination ■ compact Multi channel data Acquisition ■ Finite element Model based Analytical Mode Shapes ■ Mode Shape/OdS Animation File Generation ■ Structural Modification recommendation

SI vIbrATIOn TeSTInG, AnAlySIS And relATed ServIceS SI offers a variety of hardware and software products in the field of vibration testing and analysis. The products include data acquisition systems ranging from low to high channel counts, and from moderate to fast data acquisition speeds. Our data acquisition systems are highly versatile, capable of accepting signals from a multitude of sensor types. The collected data can be post processed using SI’s various internally developed post processing tools to allow subsequent analysis.

Advanced Analytical Capabilities ■ Finite element Analysis ■ Mode shape and natural frequency computation ■ Stress determination using PIPeSTreSS ■ Advanced post processing tools and visualization ■ Structural modification recommendations

Flow Induced Vibration in Complex Piping Systems ■ High channel count data Acquisition ■ High Temperature Accelerometers and Strain Gage Hardware and

Installation ■ Automated data reduction ■ Acceptance criteria based on calculations and Finite element Models ■ rapid Turnaround compliance check s

Transient Torsional Vibration Monitoring ■ Automated Monitoring and data Acquisition Systems ■ Alert and Alarm Set Points based on Fracture Mechanics Analysis ■ Torsional event evaluation ■ remaining life determination

Post Processing Tools ■ Averaged Steady State Signals ■ digital Integration and Filtering ■ waterfall Generation for Transient Phenomena ■ Phase extraction from Multi-channel data

Portable Instrumentation ■ Four channel data Acquisition Handheld devices ■ All Purpose IePe Sensor-based Troubleshooting ■ High Speed Anti-Aliased data Sampling ■ data recording and On-line Time History and Frequency Spectrum

display

Modal and Operating Deflection Shape (ODS) Determination ■ compact Multi channel data Acquisition ■ Finite element Model based Analytical Mode Shapes ■ Mode Shape/OdS Animation File Generation ■ Structural Modification recommendations

Vibratory motion depicted using customized software

Field installation and monitoring

Portable solutions

3877 -474 -7693

Denver, CO 303-792-0077

Salt Lake City, UT 801-676-0216

San Jose, CA 408-978-8200

Mystic, CT 860-536-3982

Toronto, Canada 905-829-9817

Annapolis, MD 410-571-0861

Austin, TX 512-533-9191

Charlotte, NC 704-597-5554

Chattanooga, TN 423-553-1180

Chicago, IL 815-648-2519

Akron, OH 330-899-9753

877-474-7693 (877-4SI-POwer)

www.structint.com