10 #ifndef IMPACTX_CHRDRIFT_H
11 #define IMPACTX_CHRDRIFT_H
33 static constexpr
auto name =
"ChrDrift";
48 amrex::ParticleReal
ds,
49 amrex::ParticleReal
dx = 0,
50 amrex::ParticleReal
dy = 0,
51 amrex::ParticleReal rotation_degree = 0,
60 using BeamOptic::operator();
72 PType& AMREX_RESTRICT p,
73 amrex::ParticleReal & AMREX_RESTRICT px,
74 amrex::ParticleReal & AMREX_RESTRICT py,
75 amrex::ParticleReal & AMREX_RESTRICT pt,
76 RefPart const & refpart)
const {
78 using namespace amrex::literals;
84 amrex::ParticleReal
const x = p.pos(
RealAoS::x);
85 amrex::ParticleReal
const y = p.pos(
RealAoS::y);
89 amrex::ParticleReal
const pxout = px;
90 amrex::ParticleReal
const pyout = py;
91 amrex::ParticleReal
const ptout = pt;
94 amrex::ParticleReal
const slice_ds =
m_ds /
nslice();
97 amrex::ParticleReal
const bet = refpart.
beta();
98 amrex::ParticleReal
const gam = refpart.
gamma();
101 amrex::ParticleReal delta1;
102 delta1 =
sqrt(1_prt - 2_prt*pt/bet +
pow(pt,2));
105 p.pos(
RealAoS::x) = x + slice_ds * px / delta1;
107 p.pos(
RealAoS::y) = y + slice_ds * py / delta1;
111 amrex::ParticleReal term = 2_prt*
pow(pt,2)+
pow(px,2)+
pow(py,2);
112 term = 2_prt - 4_prt*bet*pt +
pow(bet,2)*term;
113 term = -2_prt +
pow(gam,2)*term;
114 term = (-1_prt+bet*pt)*term;
115 term = term/(2_prt*
pow(bet,3)*
pow(gam,2));
116 p.pos(
RealAoS::t) =
t - slice_ds*(1_prt/bet + term/
pow(delta1,3));
135 using namespace amrex::literals;
138 amrex::ParticleReal
const x = refpart.x;
139 amrex::ParticleReal
const px = refpart.px;
140 amrex::ParticleReal
const y = refpart.y;
141 amrex::ParticleReal
const py = refpart.py;
142 amrex::ParticleReal
const z = refpart.z;
143 amrex::ParticleReal
const pz = refpart.pz;
144 amrex::ParticleReal
const t = refpart.t;
145 amrex::ParticleReal
const pt = refpart.pt;
146 amrex::ParticleReal
const s = refpart.s;
149 amrex::ParticleReal
const slice_ds =
m_ds /
nslice();
152 amrex::ParticleReal
const step = slice_ds /
sqrt(
pow(pt,2)-1.0_prt);
155 refpart.x = x + step*px;
156 refpart.y = y + step*py;
157 refpart.z = z + step*pz;
158 refpart.t =
t - step*pt;
161 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:36
@ t
fixed t as the independent variable
Definition: ChrDrift.H:32
ChrDrift(amrex::ParticleReal ds, amrex::ParticleReal dx=0, amrex::ParticleReal dy=0, amrex::ParticleReal rotation_degree=0, int nslice=1)
Definition: ChrDrift.H:47
ImpactXParticleContainer::ParticleType PType
Definition: ChrDrift.H:34
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:71
static constexpr auto name
Definition: ChrDrift.H:33
@ x
position in x [m] (at fixed s OR fixed t)
Definition: ImpactXParticleContainer.H:48
@ y
position in y [m] (at fixed s OR fixed t)
Definition: ImpactXParticleContainer.H:49
@ t
c * time-of-flight [m] (at fixed s)
Definition: ImpactXParticleContainer.H:50
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: alignment.H:27
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void shift_out(amrex::ParticleReal &AMREX_RESTRICT x, amrex::ParticleReal &AMREX_RESTRICT y, amrex::ParticleReal &AMREX_RESTRICT px, amrex::ParticleReal &AMREX_RESTRICT py) const
Definition: alignment.H:91
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal dx() const
Definition: alignment.H:120
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void shift_in(amrex::ParticleReal &AMREX_RESTRICT x, amrex::ParticleReal &AMREX_RESTRICT y, amrex::ParticleReal &AMREX_RESTRICT px, amrex::ParticleReal &AMREX_RESTRICT py) const
Definition: alignment.H:61
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal dy() const
Definition: alignment.H:130
Definition: beamoptic.H:135
Definition: nofinalize.H:22
Thick(amrex::ParticleReal ds, int nslice)
Definition: thick.H:30
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal ds() const
Definition: thick.H:53
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE int nslice() const
Definition: thick.H:43
amrex::ParticleReal m_ds
Definition: thick.H:58