2018
DOI: 10.2514/1.j056400
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Discretization Requirements for Vortex Lattice Methods to Match Unsteady Aerodynamics Theory

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Cited by 14 publications
(8 citation statements)
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“…Sclavounos [57] and Boutet and Dimitriatis [7] compared their methods to the unsteady vortex lattice method. This method shares some assumptions with unsteady lifting-line theory and requires care in discretization to satisfy the Kutta condition [55]. Sclavounos compared results against the whole-wing lift coefficient of a rectangular and an elliptic wing undergoing oscillating kinematics.…”
Section: Introductionmentioning
confidence: 99%
“…Sclavounos [57] and Boutet and Dimitriatis [7] compared their methods to the unsteady vortex lattice method. This method shares some assumptions with unsteady lifting-line theory and requires care in discretization to satisfy the Kutta condition [55]. Sclavounos compared results against the whole-wing lift coefficient of a rectangular and an elliptic wing undergoing oscillating kinematics.…”
Section: Introductionmentioning
confidence: 99%
“…However, it has to be enforced in the vorticity shedding step making the last bounded panel equal to the first wake panel in the flow direction [30]. Moreover, the implementation of the unsteady Kutta condition that provides the best results is setting the vorticity of the first wake panel equal to the vorticity in the last bounded panel at the previous time step [31].…”
Section: Validationmentioning
confidence: 99%
“…The unsteady foil theory uses the time-stepping method of Katz and Plotkin [37] to account for the wake-vortex influence and satisfy Kelvin's circulation theorem. The wake discretization and time step are determined by the approach similar to that by Roesler and Epps [38].…”
Section: Unsteady Thin-airfoil Theorymentioning
confidence: 99%