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Deterministic non-linear wave prediction using probe data

机译:使用探测数据的确定性非线性波预测

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The accurate prediction of non-linear sea states represents a great challenge, with a number of applications in oceanography, marine engineering, security of people and marine transportation, etc. In this paper, we report on the development of two efficient deterministic prediction models for 2D irregular wave-fields. These models are based on the exploitation of wave elevation time series given by one or more probes and on the use of two different numerical models for the wave-fields simulation. Two effective data assimilation processes are developed to improve the wave-field estimates obtained from the study of one or several probe signals, so that we obtain proper initial conditions for the forecast. The assimilation schemes have been validated on the reconstruction of model-generated observations and accurate predictions of the corresponding synthetic wave-fields evolution have been obtained.
机译:非线性海态的准确预测是一个巨大的挑战,在海洋学,海洋工程,人员安全和海洋运输等方面有许多应用。在本文中,我们报告了两种有效的确定性预测模型的发展2D不规则波场。这些模型是基于对一个或多个探测器给出的波高时间序列的利用,以及对波场模拟使用两个不同数值模型的结果。开发了两个有效的数据同化过程,以改善通过研究一种或几种探测信号获得的波场估计,从而为预测提供合适的初始条件。同化方案已在模型生成的观测值的重建中得到验证,并获得了相应合成波场演化的准确预测。

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