Abstract
This paper describes the validation activities of the 3Dof Orbital- Sim tool developed by Italian Aerospace Research Centre (CIRA) and capable of simulating the orbital flight dynamics of a generic spacecraft. The primary strategic goals of the Validation Program of the Orbital-Sim tool were to create an autonomous and effective Orbital Simulator tool for CIRA and Italian community needs. This paper then describes the workflow for the processes and results of Verification and Validation (V&V) for the 3DoF Orbital Dynamics simulation tools. Test cases and results demonstrate that the Orbital-Sim tools have passed successfully all the test cases foreseen by the Validation Program.
Highlights
Nowadays the Aerospace community exploits a huge number of flight dynamics available programs as they are very useful to perform various flight dynamics operations (Vallado, 2005).The availability of multiple flight dynamics programs suggests the need for standardization
The paper presents the results of validation the activities for the 3DoF part of the Orbital-Sim tool, developed by Italian Aerospace Research Centre
These activities had the goal of comparing physical and mathematical models output to external “truth”, represented by the results obtained with a benchmark simulation tool
Summary
Nowadays the Aerospace community exploits a huge number of flight dynamics available programs as they are very useful to perform various flight dynamics operations (Vallado, 2005). The availability of multiple flight dynamics programs suggests the need for standardization In this framework, the problem of evaluating their accuracy must be considered. Orbital-Sim is an Orbital Platforms Simulation tool developed by Italian Aerospace Research Centre It has the aim of reproducing the orbital dynamics of a generic spacecraft with different level of accuracy. The validation activities carried out for the 3Dof part of Orbital-Sim simulation tool will be described and presented. The Validation program of Orbital-Sim includes the following main activities (Fig. 2): Explore, Document, Test and Debug, as the majority of Verification and Validation programs recommends in the researcher community (Hughes et al, 2014). These activities are not necessarily sequential but for a given component a few cycles through these activities could be needed
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