10 #ifndef IMPACTX_DISTRIBUTION_KURTH6D
11 #define IMPACTX_DISTRIBUTION_KURTH6D
35 Kurth6D(amrex::ParticleReal
const sigx, amrex::ParticleReal
const sigy,
36 amrex::ParticleReal
const sigt,amrex::ParticleReal
const sigpx,
37 amrex::ParticleReal
const sigpy,amrex::ParticleReal
const sigpt,
38 amrex::ParticleReal
const muxpx=0.0, amrex::ParticleReal
const muypy=0.0,
39 amrex::ParticleReal
const mutpt=0.0
58 amrex::ParticleReal & x,
59 amrex::ParticleReal & y,
60 amrex::ParticleReal & t,
61 amrex::ParticleReal & px,
62 amrex::ParticleReal & py,
63 amrex::ParticleReal & pt,
66 using namespace amrex::literals;
68 amrex::ParticleReal v,costheta,sintheta,phi,r;
69 amrex::ParticleReal L,
alpha,pmax,pr,
beta,p1,p2;
70 amrex::ParticleReal root,a1,a2;
72 constexpr amrex::ParticleReal
pi = 3.14159265358979_prt;
77 costheta = 2_prt*(costheta-0.5_prt);
78 sintheta =
sqrt(1_prt-
pow(costheta,2));
83 r =
pow(v,1_prt/3_prt);
84 x = r*sintheta*cos(phi);
85 y = r*sintheta*sin(phi);
95 pmax = 1_prt -
pow(L/r,2) -
pow(r,2) +
pow(L,2);
106 px = pr*sintheta*cos(phi) + p2*costheta*cos(phi) - p1*sin(phi);
107 py = pr*sintheta*sin(phi) + p2*costheta*sin(phi) + p1*cos(phi);
108 pt = pr*costheta - p2*sintheta;
111 amrex::ParticleReal
const c =
sqrt(5.0_prt);
#define AMREX_FORCE_INLINE
#define AMREX_GPU_HOST_DEVICE
constexpr std::enable_if_t< std::is_floating_point< T >::value, T > pi()
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE GpuComplex< T > pow(const GpuComplex< T > &a_z, const T &a_y) noexcept
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE GpuComplex< T > sqrt(const GpuComplex< T > &a_z) noexcept
amrex::ParticleReal m_sigmaT
Definition: Kurth6D.H:137
amrex::ParticleReal m_sigmaX
Definition: Kurth6D.H:137
amrex::ParticleReal m_muypy
Definition: Kurth6D.H:139
amrex::ParticleReal m_sigmaY
Definition: Kurth6D.H:137
amrex::ParticleReal m_muxpx
RMS momentum.
Definition: Kurth6D.H:139
amrex::ParticleReal m_sigmaPx
related RMS sizes (length)
Definition: Kurth6D.H:138
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void operator()(amrex::ParticleReal &x, amrex::ParticleReal &y, amrex::ParticleReal &t, amrex::ParticleReal &px, amrex::ParticleReal &py, amrex::ParticleReal &pt, amrex::RandomEngine const &engine) const
Definition: Kurth6D.H:57
amrex::ParticleReal m_sigmaPt
Definition: Kurth6D.H:138
amrex::ParticleReal m_mutpt
Definition: Kurth6D.H:139
Kurth6D(amrex::ParticleReal const sigx, amrex::ParticleReal const sigy, amrex::ParticleReal const sigt, amrex::ParticleReal const sigpx, amrex::ParticleReal const sigpy, amrex::ParticleReal const sigpt, amrex::ParticleReal const muxpx=0.0, amrex::ParticleReal const muypy=0.0, amrex::ParticleReal const mutpt=0.0)
Definition: Kurth6D.H:35
amrex::ParticleReal m_sigmaPy
Definition: Kurth6D.H:138