SIMSON
SIMSON: a pseudo-spectral solver for incompressible boundary layer flows. This report is a part of Simson version 4.0.0, a software package that implements an efficient spectral integration technique to solve the Navier-Stokes equations for incompressible channel and boundary layer fows. The report describes how to configure, compile and install the software. Additionally, an introduction to the theory and the numerical details of the implementation is given. The solver is implemented in Fortran 77/90. The original algorithm reported in Lundbladh et al. (1992a) solved the incompressible Navier-Stokes equations in a channel flow geometry. That algorithm has been reimplemented in a boundary layer version of the code reported in Lundbladh et al. (1999). That allowed simulations of the flow over a flat plate. To do this an artificial free-stream boundary condition was introduced, and for spatial simulations a fringe region technique similar to that of Bertolotti et al. (1992) was implemented. In Simson the channel and boundary layer solvers have been combined together with many different features developed over the years. The code can be run either as a solver for direct numerical simulation (DNS) in which all length and time scales are resolved, or in large-eddy simulation (LES) mode where a number of different subgrid-scale models are available. The evolution of multiple passive scalars can also be computed. The code can be run with distributed or with shared memory parallelization through the Message Passing Interface (MPI) or OpenMP, respectively. The wall-parallel directions are discretized using Fourier series and the wall-normal direction using Chebyshev series. Time integration is performed using a third order Runge-Kutta method for the advective and forcing terms and a Crank-Nicolson method for the viscous terms. The basic numerical method is similar to the Fourier-Chebyshev method used by Kim et al. (1987). Further details about spectral discretizations and additional references are given in e.g. Canuto et al. (1988).
Keywords for this software
References in zbMATH (referenced in 22 articles )
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- Skote, Martin: Comparison between spatial and temporal wall oscillations in turbulent boundary layer flows (2013)
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- Schlatter, Philipp; Örlü, Ramis: Turbulent boundary layers at moderate Reynolds numbers: inflow length and tripping effects (2012)
- Tammisola, Outi; Lundell, Fredrik; Söderberg, L.Daniel: Surface tension-induced global instability of planar jets and wakes (2012)
- Ohlsson, J.; Schlatter, P.; Mavriplis, C.; Henningson, D.S.: The spectral-element and pseudo-spectral methods: a comparative study (2011)
- Sardina, Gaetano; Picano, Francesco; Schlatter, Philipp; Brandt, Luca; Casciola, Carlo Massimo: Large scale accumulation patterns of inertial particles in wall-bounded turbulent flow (2011)
- Schlatter, Philipp; Bagheri, Shervin; Henningson, Dan S.: Self-sustained global oscillations in a jet in crossflow (2011)
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- Duguet, Y.; Schlatter, P.; Henningson, D.S.: Formation of turbulent patterns near the onset of transition in plane Couette flow (2010)
- Monokrousos, Antonios; Åkervik, Espen; Brandt, Luca; Henningson, Dan S.: Global three-dimensional optimal disturbances in the Blasius boundary-layer flow using time-steppers (2010)
- Schrader, Lars-Uve; Amin, Subir; Brandt, Luca: Transition to turbulence in the boundary layer over a smooth and rough swept plate exposed to free-stream turbulence (2010)
- Duguet, Yohann; Schlatter, Philipp; Henningson, Dan S.: Localized edge states in plane Couette flow (2009)
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