Platform motions - MRU/accelerometers for Heave/Pitch/Roll Motions and wave frequency horizontal motions - dGPS for slow drift horizontal motions. Morning Line Tension, 6 lines; - Built in tension devices in Chain stopper - Strain gauges on Chain stoppers. Structural stresses in areas exposed to slamming forces; - On Bulwark; stiffeners and Web - On stiffeners on sloped part of hull side. Structural stresses in assumed highly stressed areas; - Stresses in plates and stiffeners in fairlead area. Waves from Wave Buoy.
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