10 #ifndef IMPACTX_CHRDRIFT_H
11 #define IMPACTX_CHRDRIFT_H
31 static constexpr
auto name =
"ChrDrift";
48 using BeamOptic::operator();
60 PType& AMREX_RESTRICT p,
61 amrex::ParticleReal & AMREX_RESTRICT px,
62 amrex::ParticleReal & AMREX_RESTRICT py,
63 amrex::ParticleReal & AMREX_RESTRICT pt,
64 RefPart const & refpart)
const {
66 using namespace amrex::literals;
69 amrex::ParticleReal
const x = p.pos(
RealAoS::x);
70 amrex::ParticleReal
const y = p.pos(
RealAoS::y);
71 amrex::ParticleReal
const t = p.pos(
RealAoS::t);
74 amrex::ParticleReal
const pxout = px;
75 amrex::ParticleReal
const pyout = py;
76 amrex::ParticleReal
const ptout = pt;
79 amrex::ParticleReal
const slice_ds =
m_ds /
nslice();
82 amrex::ParticleReal
const bet = refpart.
beta();
83 amrex::ParticleReal
const gam = refpart.
gamma();
86 amrex::ParticleReal delta1;
87 delta1 =
sqrt(1_prt - 2_prt*pt/bet +
pow(pt,2));
90 p.pos(
RealAoS::x) = x + slice_ds * px / delta1;
92 p.pos(
RealAoS::y) = y + slice_ds * py / delta1;
96 amrex::ParticleReal term = 2_prt*
pow(pt,2)+
pow(px,2)+
pow(py,2);
97 term = 2_prt - 4_prt*bet*pt +
pow(bet,2)*term;
98 term = -2_prt +
pow(gam,2)*term;
99 term = (-1_prt+bet*pt)*term;
100 term = term/(2_prt*
pow(bet,3)*
pow(gam,2));
101 p.pos(
RealAoS::t) = t - slice_ds*(1_prt/bet + term/
pow(delta1,3));
118 using namespace amrex::literals;
121 amrex::ParticleReal
const x = refpart.x;
122 amrex::ParticleReal
const px = refpart.px;
123 amrex::ParticleReal
const y = refpart.y;
124 amrex::ParticleReal
const py = refpart.py;
125 amrex::ParticleReal
const z = refpart.z;
126 amrex::ParticleReal
const pz = refpart.pz;
127 amrex::ParticleReal
const t = refpart.t;
128 amrex::ParticleReal
const pt = refpart.pt;
129 amrex::ParticleReal
const s = refpart.s;
132 amrex::ParticleReal
const slice_ds =
m_ds /
nslice();
135 amrex::ParticleReal
const step = slice_ds /
sqrt(
pow(pt,2)-1.0_prt);
138 refpart.x = x + step*px;
139 refpart.y = y + step*py;
140 refpart.z = z + step*pz;
141 refpart.t = t - step*pt;
144 refpart.s =
s + slice_ds;
#define AMREX_FORCE_INLINE
#define AMREX_GPU_HOST_DEVICE
T_ParticleType ParticleType
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
Definition: ImpactX.cpp:34
Definition: ChrDrift.H:30
ImpactXParticleContainer::ParticleType PType
Definition: ChrDrift.H:32
ChrDrift(amrex::ParticleReal const ds, int const nslice)
Definition: ChrDrift.H:42
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void operator()(PType &AMREX_RESTRICT p, amrex::ParticleReal &AMREX_RESTRICT px, amrex::ParticleReal &AMREX_RESTRICT py, amrex::ParticleReal &AMREX_RESTRICT pt, RefPart const &refpart) const
Definition: ChrDrift.H:59
static constexpr auto name
Definition: ChrDrift.H:31
@ x
position in x [m] (at fixed s OR fixed t)
Definition: ImpactXParticleContainer.H:42
@ y
position in y [m] (at fixed s OR fixed t)
Definition: ImpactXParticleContainer.H:43
@ t
c * time-of-flight [m] (at fixed s)
Definition: ImpactXParticleContainer.H:44
Definition: ReferenceParticle.H:30
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal beta() const
Definition: ReferenceParticle.H:64
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal gamma() const
Definition: ReferenceParticle.H:52
Definition: beamoptic.H:135
Definition: nofinalize.H:22
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal ds() const
Definition: thick.H:50
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE int nslice() const
Definition: thick.H:40
amrex::ParticleReal m_ds
Definition: thick.H:56
Thick(amrex::ParticleReal const ds, int const nslice)
Definition: thick.H:30