Formulation and analysis of launch vehicle maneuvering loads

Dotson, K. W.; Tiwari, Shashi Bhushan

doi:10.2514/3.26843

Cited by 13 publications

(3 citation statements)

References 3 publications

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“…Since validation data is available for the Saturn V launch vehicle [13] (clean configuration shown in Fig. 1), it is used here as a suitable test geometry.…”

Section: Saturn V Modelmentioning

confidence: 99%

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Navier-Stokes based Unsteady Aerodynamic Computations of Launch Vehicles undergoing Forced Coupled Oscillations

Guruswamy

2013

54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference

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A procedure is presented to accurately model transient motions of launch vehicles associated with complex flow conditions. The flow is modeled using the Reynolds-Averaged Navier-Stokes equations with the one-equation Spalart-Allmaras turbulence model. An overset grid system with a curvilinear near-body grid and a Cartesian off body is used. Solution quality is assessed using grid sensitivity and time-step convergence studies. Validation computations are made for a clean configuration model of the Saturn V launch vehicle for rigid-body transient motions in both the longitudinal and lateral directions, which are typically encountered during launch vehicle ascent. The effect of these transient motions on the unsteady aerodynamic response is studied. Unsteady aerodynamic response surfaces are efficiently computed using a massively parallel computer system.

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“…Since validation data is available for the Saturn V launch vehicle [13] (clean configuration shown in Fig. 1), it is used here as a suitable test geometry.…”

Section: Saturn V Modelmentioning

confidence: 99%

“…The need for RANS methods to accommodate flow non-linearity for launch vehicle simulations has been suggested by a number of researchers, e.g., see Ref. 13.…”

mentioning

confidence: 99%

Navier-Stokes based Unsteady Aerodynamic Computations of Launch Vehicles undergoing Forced Coupled Oscillations

Guruswamy

2013

54th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference

View full text Add to dashboard Cite

show abstract

“…Such methods may work for moderate flow nonlinearity, but are generally not adequate when strong flow nonlinearity exists due to moving shock waves [11]. The need for RANS methods to accommodate flow nonlinearity for launch vehicle simulations has been suggested by a number of researchers (e.g., see [12]). …”

mentioning

confidence: 99%