10 #ifndef IMPACTX_EXACTSBEND_H
11 #define IMPACTX_EXACTSBEND_H
35 static constexpr
auto name =
"ExactSbend";
60 amrex::ParticleReal
ds,
61 amrex::ParticleReal phi,
62 amrex::ParticleReal B,
63 amrex::ParticleReal
dx = 0,
64 amrex::ParticleReal
dy = 0,
65 amrex::ParticleReal rotation_degree = 0,
75 using BeamOptic::operator();
90 amrex::ParticleReal & AMREX_RESTRICT x,
91 amrex::ParticleReal & AMREX_RESTRICT y,
92 amrex::ParticleReal & AMREX_RESTRICT t,
93 amrex::ParticleReal & AMREX_RESTRICT px,
94 amrex::ParticleReal & AMREX_RESTRICT py,
95 amrex::ParticleReal & AMREX_RESTRICT pt,
96 [[maybe_unused]] uint64_t & AMREX_RESTRICT idcpu,
100 using namespace amrex::literals;
106 amrex::ParticleReal
const xout =
x;
107 amrex::ParticleReal
const yout = y;
108 amrex::ParticleReal
const tout =
t;
111 amrex::ParticleReal
const slice_phi =
m_phi /
nslice();
114 amrex::ParticleReal
const bet = refpart.
beta();
120 amrex::ParticleReal pxout = px;
121 amrex::ParticleReal pyout = py;
122 amrex::ParticleReal ptout = pt;
125 amrex::ParticleReal
const pperp =
sqrt(
pow(pt,2)-2.0_prt/bet*pt-
pow(py,2)+1.0_prt);
126 amrex::ParticleReal
const pzi =
sqrt(
pow(pperp,2)-
pow(px,2));
127 amrex::ParticleReal
const rho = rc + xout;
131 pxout = px*cos_phi + (pzi - rho/rc)*sin_phi;
136 amrex::ParticleReal
const pzf =
sqrt(
pow(pperp,2)-
pow(pxout,2));
137 amrex::ParticleReal
const theta = slice_phi + asin(px/pperp) - asin(pxout/pperp);
140 x = -rc + rho*cos_phi + rc*(pzf + px*sin_phi - pzi*cos_phi);
141 y = yout + theta * rc * py;
142 t = tout - theta * rc * (pt - 1.0_prt / bet) -
m_phi * rc / bet;
160 using namespace amrex::literals;
163 amrex::ParticleReal
const x = refpart.x;
164 amrex::ParticleReal
const px = refpart.px;
165 amrex::ParticleReal
const y = refpart.y;
166 amrex::ParticleReal
const py = refpart.py;
167 amrex::ParticleReal
const z = refpart.z;
168 amrex::ParticleReal
const pz = refpart.pz;
169 amrex::ParticleReal
const t = refpart.t;
170 amrex::ParticleReal
const pt = refpart.pt;
171 amrex::ParticleReal
const s = refpart.s;
174 amrex::ParticleReal
const slice_ds =
m_ds /
nslice();
177 amrex::ParticleReal
const theta =
m_phi /
nslice();
178 amrex::ParticleReal
const rc = (
m_B != 0_prt) ? refpart.rigidity_Tm() /
m_B :
m_ds /
m_phi;
179 amrex::ParticleReal
const B = refpart.beta_gamma() /rc;
185 refpart.px = px*cos_theta - pz*sin_theta;
187 refpart.pz = pz*cos_theta + px*sin_theta;
190 refpart.x =
x + (refpart.pz - pz)/B;
191 refpart.y = y + (theta/B)*py;
192 refpart.z = z - (refpart.px - px)/B;
193 refpart.t =
t - (theta/B)*pt;
196 refpart.s =
s + slice_ds;
#define AMREX_FORCE_INLINE
#define AMREX_GPU_HOST_DEVICE
T_ParticleType ParticleType
static constexpr amrex::Real pi
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE std::pair< double, double > sincos(double x)
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:33
@ t
fixed t as the independent variable
Definition: ExactSbend.H:34
amrex::ParticleReal m_B
bend angle in radians
Definition: ExactSbend.H:201
ImpactXParticleContainer::ParticleType PType
Definition: ExactSbend.H:37
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE void operator()(amrex::ParticleReal &AMREX_RESTRICT x, amrex::ParticleReal &AMREX_RESTRICT y, amrex::ParticleReal &AMREX_RESTRICT t, amrex::ParticleReal &AMREX_RESTRICT px, amrex::ParticleReal &AMREX_RESTRICT py, amrex::ParticleReal &AMREX_RESTRICT pt, [[maybe_unused]] uint64_t &AMREX_RESTRICT idcpu, RefPart const &refpart) const
Definition: ExactSbend.H:89
ExactSbend(amrex::ParticleReal ds, amrex::ParticleReal phi, amrex::ParticleReal B, amrex::ParticleReal dx=0, amrex::ParticleReal dy=0, amrex::ParticleReal rotation_degree=0, int nslice=1)
Definition: ExactSbend.H:59
amrex::ParticleReal m_phi
Definition: ExactSbend.H:200
static constexpr auto name
Definition: ExactSbend.H:35
static constexpr amrex::ParticleReal degree2rad
Definition: ExactSbend.H:36
Definition: ReferenceParticle.H:30
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal rigidity_Tm() const
Definition: ReferenceParticle.H:169
AMREX_GPU_HOST_DEVICE AMREX_FORCE_INLINE amrex::ParticleReal beta() const
Definition: ReferenceParticle.H:64
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:149
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