A review: Applications of the spectral finite element method
MB Hafeez, M Krawczuk - Archives of Computational Methods in …, 2023 - Springer
Abstract The Spectral Finite Element Technique (SFEM) has Several Applications in the
Sciences, Engineering, and Mathematics, which will be Covered in this Review Article. The …
Sciences, Engineering, and Mathematics, which will be Covered in this Review Article. The …
Toward exascale: overview of large eddy simulations and direct numerical simulations of nuclear reactor flows with the spectral element method in Nek5000
At the beginning of the last decade, Petascale supercomputers (ie, computers capable of
more than 1 petaFLOP) emerged. Now, at the dawn of exascale supercomputing, we …
more than 1 petaFLOP) emerged. Now, at the dawn of exascale supercomputing, we …
[HTML][HTML] On numerical uncertainties in scale-resolving simulations of canonical wall turbulence
The present study focuses on applying different metrics to assess accuracy, robustness and
sensitivity of scale-resolving simulations of turbulent channel flow, when the numerical …
sensitivity of scale-resolving simulations of turbulent channel flow, when the numerical …
Evolution of flow structure from a coaxial synthetic jet
In this work, we propose and demonstrate a novel coaxial synthetic jet (CSJ) in which two
cavities are arranged coaxially with 0° orientation angle with inner and annular orifices of …
cavities are arranged coaxially with 0° orientation angle with inner and annular orifices of …
Nektar++: Design and implementation of an implicit, spectral/hp element, compressible flow solver using a Jacobian-free Newton Krylov approach
ZG Yan, Y Pan, G Castiglioni, K Hillewaert… - … & Mathematics with …, 2021 - Elsevier
At high Reynolds numbers the use of explicit in time compressible flow simulations with
spectral/hp element discretization can become significantly limited by time step. To alleviate …
spectral/hp element discretization can become significantly limited by time step. To alleviate …
Role of phase-difference between two adjacent rectangular synthetic jet actuators in active control of flow over a rounded ramp
In the current study, the role of phase-difference between signals of two adjacent synthetic
jet actuators (SJAs) in active control of flow over a rounded ramp geometry has been …
jet actuators (SJAs) in active control of flow over a rounded ramp geometry has been …
Boundary layer transition induced by low-speed synthetic jets
The effect of low-speed, circular synthetic jets (SJ) on the turbulent transition of a laminar
boundary layer is studied through direct numerical simulations. The SJ capability in fixating …
boundary layer is studied through direct numerical simulations. The SJ capability in fixating …
Numerical investigation of the flow and thermal behavior of impinging single and multi-orifice synthetic jets with different waveforms
The present article reports the thermal and flow characteristics of single and multi-orifice
circular synthetic jet for different waveform shapes through numerical investigation. Present …
circular synthetic jet for different waveform shapes through numerical investigation. Present …
Focusing of jet from synthetic jet array using non-linear phase delay
In the present investigation, a novel focusing technique is proposed and demonstrated to
enhance the strength of a synthetic jet array (SJ array). Here, for the same geometric and …
enhance the strength of a synthetic jet array (SJ array). Here, for the same geometric and …
Cost vs Accuracy: DNS of turbulent flow over a sphere using structured immersed-boundary, unstructured finite-volume, and spectral-element methods
We report a comparative study of three numerical solvers for the direct numerical simulation
of the flow over a sphere at Re= 3700. A high-order spectral-element code (Nek5000), a …
of the flow over a sphere at Re= 3700. A high-order spectral-element code (Nek5000), a …