Blog
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Why seakeeping hydrodynamics are limited in extreme conditions
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How forward speed codes add a missing ingredient to ship motion prediction
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Midyear Break 2025
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Why keep the same design DNA when exploring ship hull design variations
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When the line blurs between hull and appendage (and how to model it for seakeeping analysis)
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Why undersized vessel anti-roll fins backfire (and how to avoid this problem)
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How to avoid too much or too little static stability in ship design
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How to differentiate the value of ship design changes with operability analysis
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Why the EGA shows aggregate effects of ship motion on people
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Happy Holidays from DSA Ocean and the ProteusDS Team
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ProteusDS Update November 2024
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Why you need trends when comparing ship motion data (and how you avoid blind spots)
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Why hull appendages are hydrodynamically superimposed on ship motion models
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DSA Ocean Upcoming Events Fall 2024
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How vortex shedding can indirectly sink your mooring
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How deepwater moorings disrupt wave-powered profiling (and what you can do about it)
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How to tailor an anti-roll U-tube tank design for a ship
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ProteusDS Update April 2024
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How to tune an anti-roll slosh tank design for a ship
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Why time domain seakeeping analysis shows the signal in the noise (and where it can derail your work)
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Why frequency domain ship motion analysis instantly gives you a broad range of design feedback (and where it falls short)
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Why seakeeping and maneuvering are integral parts of the same thing
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ProteusDS Update December 2023
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When moorings overload wave buoys (and sink data quality)
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Why you should be careful about fixating on buoy drag coefficient (and what else affects hydrodynamic performance)
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How to make the most out of flotation to minimize mooring deflections
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Why anchor size causes a chain reaction on operations costs (and how to keep it under control)
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Why indirect relationships drive wave buoy mooring design
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How to give your mooring design a quick reality check
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Introducing the dedicated ProteusDS website
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Finding maximums part 3: How a repeating sea surface hides extreme mooring loads
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Finding maximums part 2: Why using multiple sea state realizations quickly reveals extreme mooring loads
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Finding maximums part 1: How process reveals maximum loads in mooring design
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When to reduce mooring recovery risk with a backup acoustic release
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Why spar floaters are so insensitive to harsh conditions
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Why you need breathing space between glass floats on oceanographic moorings
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Why tiny active stabilizers have a large effect on ship roll motions
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ProteusDS Update
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How antiroll tanks work to passively reduce ship roll
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Why the sensitivity of ship roll damping makes naval architects sweat
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Why drag loads are underwhelming at damping floating system motion
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Why it’s hard to distinguish between the effects of buoy and line drag on mooring knockdown
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When you need to fine tune surface buoy damping (and when you don’t)
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ProteusDS Update
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How to take the guesswork out of wave radiation forces
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Why the added mass force can be confusing
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How to control downweight seabed clearance in wave powered profiler mooring design
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Why adapt shallow water geometric compliant moorings with a midwater float
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Why shallow water mooring design takes longer than expected (especially compared to deep water)
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How to avoid wuzzles when recovering oceanographic moorings
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What to keep an eye on during oceanographic mooring deployment
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How the anchor-last oceanographic mooring deployment process works
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Why an RAO is the dynamic fingerprint of a hull
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How seakeeping analysis reveals surprising differences about ship seaworthiness
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What the playground can teach us about resonance in dynamics
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When wave steepness pinpoints worst case sea states for mooring design (and not wave height)
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Why you see modular oceanographic mooring design everywhere
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How to correct subsurface mooring knockdown
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When to check instrument depth in oceanographic mooring design
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How mooring deflection disrupts oceanographic data quality
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Why drag force is more than just resistance
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How to understand the nature of buoyancy
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Why free body diagrams eliminate confusion in engineering design
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When profilers are optimized for control
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When profilers are specially adapted to ride ocean waves
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Why profilers stop massive data processing headaches
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When it is sensible to use nonlinear Froude-Krylov forcing
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Why parts libraries are essential to save time in mooring design
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When to avoid a static solver in oceanographic moorings
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How to effectively model oceanographic surface buoy dynamics
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How to systematically evaluate oceanographic mooring compliance
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How to control uncertainty in buoy drag coefficient when designing oceanographic moorings
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Why uncertainty in buoy drag coefficient puts oceanographic data quality at risk
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Why compliance is at the heart of resilient oceanographic surface mooring design
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