Fluid-structure interaction modeling of clusters of spacecraft parachutes with modified geometric porosity

Kenji Takizawa, Tayfun E. Tezduyar, Joseph Boben, Nikolay Kostov, Cody Boswell, Austin Buscher

    Research output: Contribution to journalArticle

    64 Citations (Scopus)

    Abstract

    To increase aerodynamic performance, the geometric porosity of a ringsail spacecraft parachute canopy is sometimes increased, beyond the "rings" and "sails" with hundreds of "ring gaps" and "sail slits." This creates extra computational challenges for fluid-structure interaction (FSI) modeling of clusters of such parachutes, beyond those created by the lightness of the canopy structure, geometric complexities of hundreds of gaps and slits, and the contact between the parachutes of the cluster. In FSI computation of parachutes with such "modified geometric porosity," the flow through the "windows" created by the removal of the panels and the wider gaps created by the removal of the sails cannot be accurately modeled with the Homogenized Modeling of Geometric Porosity (HMGP), which was introduced to deal with the hundreds of gaps and slits. The flow needs to be actually resolved. All these computational challenges need to be addressed simultaneously in FSI modeling of clusters of spacecraft parachutes with modified geometric porosity. The core numerical technology is the Stabilized Space-Time FSI (SSTFSI) technique, and the contact between the parachutes is handled with the Surface-Edge-Node Contact Tracking (SENCT) technique. In the computations reported here, in addition to the SSTFSI and SENCT techniques and HMGP, we use the special techniques we have developed for removing the numerical spinning component of the parachute motion and for restoring the mesh integrity without a remesh. We present results for 2- and 3-parachute clusters with two different payload models.

    Original languageEnglish
    Pages (from-to)1351-1364
    Number of pages14
    JournalComputational Mechanics
    Volume52
    Issue number6
    DOIs
    Publication statusPublished - 2013 Dec

    Fingerprint

    Parachutes
    Fluid structure interaction
    Porosity
    Spacecraft
    Fluid
    Contact
    Interaction
    Modeling
    Space-time
    Ring
    Interaction Techniques
    Geometric Structure
    Vertex of a graph
    Aerodynamics
    Integrity
    Mesh
    Motion

    Keywords

    • Contact
    • Fluid-structure interaction
    • Modified geometric porosity
    • Parachute clusters
    • Parachutes
    • Ringsail parachutes
    • Space-time techniques

    ASJC Scopus subject areas

    • Computational Theory and Mathematics
    • Mechanical Engineering
    • Ocean Engineering
    • Applied Mathematics
    • Computational Mathematics

    Cite this

    Fluid-structure interaction modeling of clusters of spacecraft parachutes with modified geometric porosity. / Takizawa, Kenji; Tezduyar, Tayfun E.; Boben, Joseph; Kostov, Nikolay; Boswell, Cody; Buscher, Austin.

    In: Computational Mechanics, Vol. 52, No. 6, 12.2013, p. 1351-1364.

    Research output: Contribution to journalArticle

    Takizawa, Kenji ; Tezduyar, Tayfun E. ; Boben, Joseph ; Kostov, Nikolay ; Boswell, Cody ; Buscher, Austin. / Fluid-structure interaction modeling of clusters of spacecraft parachutes with modified geometric porosity. In: Computational Mechanics. 2013 ; Vol. 52, No. 6. pp. 1351-1364.
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