MODELLING OF DEPLOYABLE CABLE NETS FOR ACTIVE SPACE DEBRIS REMOVAL
Paolo Fisicaro
paolo.fisicaro@ing.unipi.itUniversity of Pisa (Italy)
https://orcid.org/0000-0002-9931-6149
Angelo Pasini
University of Pisa (Italy)
Paolo Sebastiano Valvo
University of Pisa (Italy)
https://orcid.org/0000-0001-6439-1926
Abstract
Space debris represent a true risk for current and future activities in the circumterrestrial space, and remediation activities must be set out to guarantee the access to space in the future. For active debris removal, the development of an effective capturing mechanism remains an open issue. Among several proposals, cable nets are light, easily packable, scalable, and versatile. Nonetheless, guidance, navigation, and control aspects are especially critical in both the capture and post-capture phases. We present a finite element model of a deployable cable net. We consider a lumped mass/cable net system taking into account non-linearities arising both from large displacements and deformations, and from the different response of cables when subject to tension and compression. The problem is stated by using the nodal coordinates as Lagrangian coordinates. Lastly, the nonlinear governing equations of the system are obtained in a form ready for numerical integration.
Keywords:
space debris, cable net, finite element modelReferences
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Authors
Paolo Fisicaropaolo.fisicaro@ing.unipi.it
University of Pisa Italy
https://orcid.org/0000-0002-9931-6149
PhD Student, Department of Civil and Industrial Engineering
Authors
Angelo PasiniUniversity of Pisa Italy
Assistant Professor, Department of Civil and Industrial Engineering
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