All firms

AVEC, Inc.

Noise and Vibration Engineering and Noise and Vibration Analysis, Prediction, and Measurement.

Website

About the firm

AVEC, Inc. provides expert technical assistance in the analysis and control of noise and vibration in mechanical systems. Capabilities span phased array design and software, tire-pavement noise measurement (OBSI), road surface sound absorption (ROSSA), propeller noise prediction, structural analysis using FEM and BEM, unsteady aerodynamics, and machinery fault diagnostics. Past clients include NASA Langley Research Center, the Japan Aerospace Exploration Agency, Boeing, Siemens, and the US Air Force.

Firm type
Acoustic Consulting · Mechanical Engineering

Capabilities

Noise and Vibration Engineering

Service website
  • Noise and Vibration Analysis, Prediction, and Measurement
  • Propeller Noise Prediction
  • Machinery Fault Diagnostics

Phased Array Systems and Software

Service website

Hardware and software for microphone phased array analysis, covering wind tunnel testing, aeroacoustic applications, and acoustic flight tests. Available as turn-key systems or as a consulting service.

  • Phased Array Software for Wind Tunnels and General Applications

    Three-module processing software covering array design, acoustic simulation, and data processing with beamforming-with-flow capability for aeroacoustic testing; includes automatic report generation.

  • Phased Array Software for Acoustic Flight Tests

    Flight test software with aircraft tracking (GPS, line cameras, manual triggers), data pre-processing, deconvolution, directivity calculations, EPNL estimation, and automated report generation in multiple formats.

  • Microphone Phased Array Hardware

    Modular, customizable array systems in 63-, 117-, and 251-element configurations; turn-key packages include microphones, signal conditioning, anti-aliasing filters, data acquisition, and processing software.

Tire-Pavement Noise Measurement (OBSI)

Service website

On-Board Sound Intensity (OBSI) system for measuring tire-pavement noise per AASHTO T 360-16, offered as a turn-key package or as separable hardware and software components.

  • OBSI System Hardware

    Aluminum and stainless steel fixture with GRAS 1/2-inch intensity probe sets, National Instruments 4-channel DAQ, Garmin GPS unit, sound level calibrator, and carrying case.

  • OBSI Software

    Data acquisition, processing, and automated report generation software supporting standard and continuous survey modes; AASHTO-compliant analysis with perpetual license and USB remote control.

Road Surface Sound Absorption Measurement (ROSSA)

Service website

ROSSA system for measuring pavement sound absorption properties per ISO 13472-2, available as a complete turn-key system or as individual components for upgrading existing setups.

  • ROSSA System Hardware

    Aluminum impedance tube, stainless steel calibration plate, GRAS 1/4-inch pressure-field microphones, USB speaker system, National Instruments DAQ, and carrying case.

  • ROSSA Software

    ISO-compliant data acquisition, guided calibration, analysis, and automated report generation with uncertainty estimation; perpetual license with optional GPS logging module.

Structural Analysis

  • Finite Element and Boundary Element Analysis (FEM/BEM)
  • Unsteady Aerodynamics and Aeroelasticity

Industries

Aerospace · Defense · Research Facilities · Manufacturing · Highways & Roads

Projects

No projects listed yet.