Search Results - "Djeddi, Reza"

Natural laminar flow airfoil design via adjoint-based transition onset delay by Djeddi, Reza, Ekici, Kivanc

“…This work is focused on the aerodynamic shape optimization (ASO) of airfoils with the aim of attaining natural laminar flow (NLF) designs. The two-equation…”
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FDOT: A Fast, memory-efficient and automated approach for Discrete adjoint sensitivity analysis using the Operator overloading Technique by Djeddi, Reza, Ekici, Kivanc

“…A new toolbox based on operator overloading is introduced for automatic differentiation of scientific computing codes – and in particular legacy computational…”
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Solution-based adaptive mesh redistribution applied to harmonic balance solvers by Djeddi, Reza, Ekici, Kivanc

“…A primary source of inaccuracy in numerical simulations is due to errors that are introduced into the solution via the discretization of the continuous…”
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Resolution of Gibbs phenomenon using a modified pseudo-spectral operator in harmonic balance CFD solvers by Djeddi, Reza, Ekici, Kivanc

“…A new pseudo-spectral operator is developed for time-spectral harmonic balance solutions of periodic unsteady flows. The method utilises a mechanism similar to…”
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Modeling periodic and non-periodic response of dynamical systems using an efficient Chebyshev-based time-spectral approach by Ekici, Kivanc, Djeddi, Reza, Li, Hang, Frankel, Jay I.

“…•Chebyshev-based time-spectral method introduced to efficiently model nonlinear systems.•The technique is applied to compressible and incompressible CFD…”
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A fully coupled turbulent low-speed preconditioner for harmonic balance applications by Djeddi, Reza, Howison, Jason, Ekici, Kivanc

“…Aeromechanical design of wind turbines requires a high-fidelity analysis toolbox that can cover a wide spectrum of flow speeds from incompressible to…”
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Convergence acceleration of continuous adjoint solvers using a reduced‐order model by Kaminsky, Andrew L., Djeddi, Reza, Ekici, Kivanc

“…Summary A novel acceleration technique using a reduced‐order model is presented to speed up convergence of continuous adjoint solvers. The acceleration is…”
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