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CaLES v2.0.0 – First Stable Release
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@soaringxmc soaringxmc released this 14 Feb 21:45
· 26 commits to main since this release
v2.0.0
632a92c

CaLES v2.0.0

CaLES (Canonical Large‑Eddy Simulation) is a fully GPU‑accelerated, finite‑difference DNS/LES solver for incompressible wall‑bounded flows in massively parallel environments. This major release builds on the CaNS DNS codebase and introduces production‑quality LES capability.

🚀 Highlights

  • LES support with wall‑models

    • Classical Smagorinsky & dynamic Smagorinsky models
    • Van Driest near‑wall damping
    • Log‑law wall model option

  • Flexible temporal schemes

    • Low‑storage, explicit 3rd‑order Runge–Kutta
    • Implicit Crank–Nicolson for viscous terms (1D or 3D)

  • High‑performance solvers

    • Fast direct Poisson/Helmholtz solver via eigenfunction expansions
    • FFTW/cuFFT (and CPU fallback) with automatic transform selection
    • Gauss‑elimination for non‑uniform Z‑grids
    • FFT‑based 3D Helmholtz option in fully‑implicit mode

  • Massive parallelism & GPU support

    • MPI + cuDecomp pencil decomposition for multi‑GPU runs
    • 2DECOMP&FFT for CPU global transposes & I/O
    • OpenACC‑annotated kernel loops
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