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    • Arqus Extreme performance
    • Miqus Capture more with less.
    • Miqus video Add video to your mocap system
    • Miqus Hybrid Marker-based and markerless tracking
    • MRI Measure inside & outside MRI scanners.
    • Underwater Motion capture for underwater measurements
    • Compare cameras Side-by-side comparison
    Analysis
    • Online reporting All your reports. Safe in the cloud.
    • Qualisys Track Manager (QTM) User-friendly mocap software
    • Baseball Pitching & hitting analysis
    • Cricket Batting and bowling analysis
    • Cycling Full-body cycling analysis
    • Functional assessment Assessment of various activities and tasks
    • Gait Clinical gait & gait research
    • Golf Full swing & putting analysis
    • Running Full-body running analysis
    • Project Automation Framework Write your own analysis modules for QTM
    Accessories
    • Markers High quality passive & active markers
    • Mocap suits Our full motion capture apparel range
    • All accessories Browse all accessories
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  • Company
    About us
    • Qualisys is a leading provider of precision motion capture and 3D positioning tracking system.

      We have supplied a variety of industries with high-end camera systems and expertise for more than 30 years.

      Learn more about us

    Contact
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      Sep 25–28, 2023
      25

      OCEANS 2023 - US…

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      25

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      2

      SIAMOC 2023

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    • Equine lameness Clinical lameness detection (QHorse)
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    • Cycling Analysis Full-body cycling analysis
    • Golf Full swing & putting analysis
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    • Human biomechanics & sports research Analyze human movement
    • MRI Tracking movements inside an MRI scanner
    • Sound & Motion Performance motion capture
    3rd party integrations
    • EMG Measure muscle activity
    • Eye trackers Combine eye tracking & motion data
    • Force plates Complete your analysis with kinetics
    • IMUs Record data from IMU sensors
    • Instrumented Treadmills Capture forces with high-end treadmills
    Collapse
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    • Robotics & UAV Robotics & flight tracking
    Marine & wind
    • Marine vessels & structures Testing & validation in ocean labs & basins
    • Wind Power Blade deflection & gearbox vibrations
    Other applications
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    • OEM Qualisys technology as OEM components
    3rd party integrations
    • LabVIEW Get real-time mocap data into LabVIEW.
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Home / Customer story / Océanide

Offshore Mechanics and Arctic Engineering

Océanide is comprised of various aquatic test facilities that examine the performance of model marine vehicles as they are launched into simulated environments. The test facilities are located in France and include the BGO deep water basin (waves, wind, current), a wave flume tank, and a shallow water wave tank.

In the test facilities, conditions are replicated to measure the performance of the vessels when undergoing environmental and other associated impacts as the vehicles respond to obstacles such as marine renewable energy converters, oil & gas platforms, ship traffic, seafloor topography, pipelines, and beaches to name a few.

During the 2018 International Conference on Offshore Mechanics and Arctic Engineering, a project was presented containing a review of the industry standards on both experimental and Computational Fluid Dynamic (CFD) approaches, which used the Qualisys motion capture system to track the vessel model and measure its performance when certain conditions were replicated.

Océanide - feature photo

The study involved the analysis of Vortex-Induced Vibrations (VIV) on spool and jumper geometries, which are known to present several drawbacks when approached with conventional engineering.

Océanide - feature photo

The complex, 3D form of the spools and jumpers makes the fluid three-dimensional and the vibratory response can exhibit a complex, non-linear, multi-modal response due to the structural form.

The current industry guidelines and VIV engineering tools are not well-adapted to these structures. CFD-based fluid-structure interaction (FSI) is a promising alternative to currently used tools.

To prove the success of the FSI method, experiments were carried out in Océanide’s BGO FIRST wave, current and wind basin. The tank is 16m wide and 40m long, and a movable floor creates a water depth that varies between 5m down to a few centimeters.

Researchers collected measurements at both anchorage points to determine displacement using a 4 camera Qualisys underwater system. The system tracked the position of six markers affixed to the model, and the mean current velocity checked downstream of the model and out of its wake.

Océanide - feature photo

The tests were conducted with several current velocities, and several spool headings. The measurement of the six marker positions allowed the group to quantify the VIV’s amplitudes and frequencies, leading to a great experimental database of numerical tools for reliability assessment.

The group concluded that the experimental studies complement numerical approaches and when executed carefully and with precision, they can serve as a valuable resource for the validation of CFD based FSI approaches.

Océanide - feature photo

Meet the team

François Pétrié (pictured left) graduated Ecole Centrale de Paris engineering school in 2001. He, then joined Doris, an engineering company specializing in offshore oil & gas development, as hydrodynamic engineer. Since 2007, he has acted as deputy manager in Océanide.

Benjamin Rousse (pictured right) graduated Ecole Centrale de Nantes engineering school 1999 and has worked at OCEANIDE as scientific support for basin tests campaigns since 2014.

Océanide - feature photo

Want to know more?

Read the full study submitted by the engineers by following the link below.

Experimental and Numerical Study of Vortex Induced Vibrations on a Spool Model

System info 4 x Oqus Underwater
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