PBLDerivativeDzInv_S Struct Reference

Functor for inverse vertical spacings for stretched grids using a spacing array. More...

#include <ERF_PBLModels.H>

Collaboration diagram for PBLDerivativeDzInv_S:

Public Member Functions
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE PBLDerivativeDzInv	operator() (int, int, int k) const noexcept

Public Attributes
const amrex::Real *	dz
int	klo
int	khi

Detailed Description

Functor for inverse vertical spacings for stretched grids using a spacing array.

Member Function Documentation

operator()()

AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE PBLDerivativeDzInv PBLDerivativeDzInv_S::operator() ( int  , int  , int  k  ) const

inlinenoexcept

Return inverse vertical spacings for stretched grids.

Parameters

k

z-index

Returns

PBLDerivativeDzInv inverse spacing values

    {
        // Adjacent cell centers are separated by half the sum of their widths.
        const amrex::Real dz_lo = dz[(k > klo) ? k-1 : k];
        const amrex::Real dz_hi = dz[(k < khi) ? k+1 : k];
        return {two / (dz_lo + two*dz[k] + dz_hi),
                two / dz[k],
                two / dz[k]};
    }

Member Data Documentation

dz

const amrex::Real* PBLDerivativeDzInv_S::dz

Referenced by operator()().

khi

int PBLDerivativeDzInv_S::khi

Referenced by operator()().

klo

int PBLDerivativeDzInv_S::klo

Referenced by operator()().

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The documentation for this struct was generated from the following file:

• Source/PBL/ERF_PBLModels.H