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Stoßwellenlabor RWTH Aachen, www.swl.rwth-aachen.de


Scalability

  • 458,752 cores (1,835,008 compute threads)
    BlueGene/Q (JUQUEEN)

Programming language

  • C
  • pure MPI (asynchronous)
  • I/O,parallel HDF5 (CGNS)

Tested on platform

  • Bull-Cluster (RWTH Aachen)
  • BlueGene/Q (FZ Jülich)

Application developers

SHOCK
(Structured High-Order Computational Kernel)

Highly scalable code for Direct Numerical Simulation
of compressible flows

High-Q Club
Highest Scaling Codes on JUQUEEN

Flow configurations

  • compressible, unsteady
  • viscous (Navier-Stokes) or inviscid (Euler)
  • three-dimensional, two-dimensional rotational symmetric or two-dimensional
  • curvilinear coordinates (including subzones with rotated coordinate systems)

High-order shock capturing schemes

  • 5th and 9th order WENO scheme (inviscid)
  • Lax-Friedrichs flux-vector splitting
  • 6th and 10th order central scheme (viscous)
  • 3th and 4th order Runge-Kutta (time)

SHOCKSHOCK: DNS. NACA 0012 4deg

SHOCKSHOCK: Scaling

SHOCKSHOCK: DNS. NACA 0012

SHOCKSHOCK: DNS. NACA 0012 (Frag.)

SHOCK: DNS. NACA 0012 5deg M=0.4