The study presented in this paper concerns the development of an algorithm, based on finite element analysis, for<br/>the dynamic simulation of a tethered lighter-than-air balloon when subjected to operational conditions. The main<br/>features of the algorithm are described, highlighting the advantages of this approach when performing dynamic<br/>analysis. The input parameters considered in the method are derived from experimental and simulated data, which<br/>are elaborated to obtain the static and dynamic atmospheric properties in terms of mean windspeed profile, discrete<br/>gusts, and continuous turbulence. In particular, the algorithm is employed to perform a thorough analysis of a specific high-altitude tethered platform operating in a realistic design scenario. The dynamic behavior of the system is evaluated in terms of displacements and tether forces. The results, even though they are obtained for a specific example application, demonstrate the general viability of the algorithm proposed for the evaluation of the dynamic response of high-altitude tethered platforms and for the preliminary assessment of the technical feasibility of these systems
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