Aeroelastic & Gas Dynamics Analysis at ISE

ISE is one of the only consulting firms specializing in the commercial solution of aeroelastic and high-speed flow problems for clients. Because we're trained as aerospace engineers, we tend to look at all structures as they actually are - semi-rigid objects subjected to inertial, elastic, and aerodynamic forces. This insight gives ISE and advantage when it comes to analyzing complex engineering problems for our clients. 

Further, ISE's staff is experienced in computational gas dynamics and the associated thermodynamic challenges. We know that you can only push a fluid so far until the underlying acoustic theories have to step-aside for a more complex and rigorous treatment. 

Some of our past efforts have involved:

  • Acoustic analysis and prediction of high-pressure gas pipeline blow-down events.
  • Aeroelastic analysis and design on consumer products.
  • Low speed and high speed wind tunnel testing protocols for clients.
  • Dynamic divergence, flutter, and plunge-stability studies for clients.
  • Vortex-induced (wind turbine) noise assessments for clients.
  • Active and passive noise control technology.
  • Acoustical laboratory testing.

What's New at ISE...

We\'re not sure how well this works, but you have the give the City of San Francisco a \'A\' for effort.This sign is located at the bottom of Lombard Str...
The ISE Rayleigh Wave (R-Wave) seismic vibration prediction model hit another milestone in 2011 in development by being able to accurately predict sur...
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Historic Preservation PlansISE’s structural risk assessment services are a natural extension of our structural dynamics services. We take the concep...
Environmental GIS Solutions at ISEISE provides a comprehensive set of cost-effective Geographic Information System (GIS) mapping services built around...
Electromagnetic Pollution Control at ISEISE provides a complete suite of electromagnetic field (EMF) and Radio Frequency (RF) services designed to det...
Historic Preservation Services at ISEISE’s historical preservation services are a natural extension of our structural dynamics services which we hav...
ISE has completed work on our laser optics test bench. The focal point is our newly built one-watt Class IV 655nm continuous wave (CW) laser capable o...
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Environmental Vibration Solutions at ISEISE is a recognized leader in mechanical and dynamic vibration analysis, and has a full range of portable moda...
Air Quality Conformity at ISEISE offers a comprehensive suite of air quality and air toxics analyses geared principally towards prediction and mitigat...
Geophysics & Blast Response Mitigation at ISEISE has been working for close to two decades on innovative and unique engineering solutions to the p...
ISE has again raised the environmental bar to new levels by adding Mass Spectrometry to our list of in-house air quality monitoring services. Our SRS ...
Environmental Noise Control at ISEISE provides a full spectrum of acoustical consulting services necessary for compliance with environmental regulatio...
We\'ve received several inquiries on how civil modal analysis is performed and what instruments are used. Shown in the photo is ISE\'s \'modal sledgeham...
Expert Witness & Litigation AssistanceAt the heart of any forensic problem involving the laws of physics are two fundamental quantities: the path ...
Lighting & Photometric AssessmentsISE provides a complete range of lighting and photometric services geared towards commercial and industrial comp...
Architectural Acoustics at ISEISE is one of only a small handful of firms offering a complete suite of acoustical engineering services tailored specif...
Here\'s a photo from the archives of the Olivenhain Dam inundation area circa 1998 prior to construction of the dam. ISE took this photo during some e...
Environmental Impact ReportingAll of ISE’s technical services are available in a variety of environmental formats to satisfy local, state, and feder...

Featured Video Clip (Shock Wave)

A video taken by ISE showing the supersonic expansion of high pressure natural gas in a pipeline. 

The shock wave is clearly visible at the 1:00 min mark as a white cloud above the end of the pipe and produces an acoustic overpressure of close to 140 dB - which is as loud as a rocket engine.