def Materials():
#Defines magnetic materials for the Undulators Poles and Magnets
#Pole (~iron type Va Permendur) material data
H = [
0.8, 1.5, 2.2, 3.6, 5, 6.8, 9.8, 18, 28, 37.5, 42, 55, 71.5, 80, 85,
88, 92, 100, 120, 150, 200, 300, 400, 600, 800, 1000, 2000, 4000, 6000,
10000, 25000, 40000
]
M = [
0.000998995, 0.00199812, 0.00299724, 0.00499548, 0.00699372,
0.00999145, 0.0149877, 0.0299774, 0.0499648, 0.0799529, 0.0999472,
0.199931, 0.49991, 0.799899, 0.999893, 1.09989, 1.19988, 1.29987,
1.41985, 1.49981, 1.59975, 1.72962, 1.7995, 1.89925, 1.96899, 1.99874,
2.09749, 2.19497, 2.24246, 2.27743, 2.28958, 2.28973
]
convH = 4. * 3.141592653589793e-07
#ma = []
#for i in range(len(H)): ma.append([H[i]*convH, M[i]])
#mp = rad.MatSatIsoTab(ma)
#A more compact way:
mp = rad.MatSatIsoTab([[H[i] * convH, M[i]] for i in range(len(H))])
#(Permanent) Magnet material: NdFeB with 1.2 Tesla Remanent Magnetization
mm = rad.MatStd('NdFeB', 1.2)
return mp, mm
def build_box(center, size, material, magnetization, div, h_m_curve=None):
n_mag = numpy.linalg.norm(magnetization)
g_id = radia.ObjRecMag(center, size, magnetization)
if div:
radia.ObjDivMag(g_id, div)
# do not apply a material unless a magentization of some magnitude has been set
if n_mag > 0:
if material == 'custom':
mat = radia.MatSatIsoTab(
[[_MU_0 * h_m_curve[i][0], h_m_curve[i][1]]
for i in range(len(h_m_curve))])
else:
mat = radia.MatStd(material, n_mag)
radia.MatApl(g_id, mat)
return g_id
def eval_hybrid_und(_gap, _gap_ofst, _nper, _air, _pole_width, _lp, _ch_p, _np, _np_tip, _mp, _cp, _lm, _ch_m_xz,
_ch_m_yz, _ch_m_yz_r, _nm, _mm, _cm, _use_ex_sym=False):
from mpi4py import MPI
comMPI = MPI.COMM_WORLD
size = comMPI.Get_size()
rank = comMPI.Get_rank()
rad.UtiMPI('in')
_lp = [_pole_width, *_lp]
# Set up material properties if they weren't created by a pre-process function
if not _mp or not _mm:
# Pole Material
# B [G] vs H [G] data from NEOMAX
BvsH_G = [[0., 0], [0.5, 5000], [1, 10000], [1.5, 13000], [2, 15000], [3, 16500], [4, 17400], [6, 18500],
[8, 19250], [10, 19800],
[12, 20250], [14, 20600], [16, 20900], [18, 21120], [20, 21250], [25, 21450], [30, 21590],
[40, 21850], [50, 22000],
[70, 22170], [100, 22300], [200, 22500], [300, 22650], [500, 23000], [1000, 23900], [2000, 24900]]
MvsH_T = [[BvsH_G[i][0]*1.e-4, (BvsH_G[i][1]-BvsH_G[i][0])*1.e-4] for i in range(len(BvsH_G))]
_mp = rad.MatSatIsoTab(MvsH_T)
# Magnet Material
magBr = 1.67 # Remanent Magnetization
_mm = rad.MatLin({0.05, 0.15}, magBr)
grp = HybridUndCenPart(_gap, _gap_ofst, _nper, _air, _lp, _ch_p, _np, _np_tip, _mp, _cp, _lm, _ch_m_xz, _ch_m_yz,
_ch_m_yz_r, _nm, _mm, _cm, _use_ex_sym)
# Construct Interaction Matrix
t0 = time.time()
IM = rad.RlxPre(grp)
# Perform the Relaxation
t0 = time.time()
res = rad.RlxAuto(IM, 0.001, 5000)
# Synchronizing all processes
rad.UtiMPI('barrier')
Bz0 = rad.Fld(grp, 'bz', [0,0,0])
if rank <= 0:
print("Bz0:", Bz0)
if size > 1:
if rank == 0:
np.save(NP_FILENAME, Bz0)
rad.UtiMPI('off')
return Bz0
def Material():
#Define steel MH curve
H = [
0, 159.2, 318.3, 477.5, 636.6, 795.8, 1591.5, 3183.1, 4774.6, 6366.2,
7957.7, 15915.5, 31831, 47746.5, 63662, 79577.5, 159155, 318310, 397887
]
M = [
0, 0.24, 0.865, 1.11, 1.245, 1.33, 1.498, 1.596, 1.677, 1.733, 1.77,
1.885, 1.985, 2.025, 2.05, 2.065, 2.08, 2.085, 2.0851
]
convH = 4. * 3.141592653589793e-07
ma = []
for i in range(len(H)):
ma.append([H[i] * convH, M[i]])
mp = rad.MatSatIsoTab(ma)
return mp
def materials(H, M, material_type_string, magnet_remanence):
"""
define magnetic materials for the undulator poles and magnets
arguments:
H = list of magnetic field values / (Amp/m)
M = corresponding magnetization values / T
material_type_string = material type string
magnet_remanence = remanent magnetization / T
return: Radia representations of ...
pole-tip material, magnet material
"""
# -- magnetic property of poles
ma = [[sc.mu_0 * H[i], M[i]] for i in range(len(H))]
mp = rad.MatSatIsoTab(ma)
# -- permanent magnet material
mm = rad.MatStd(material_type_string, magnet_remanence)
return mp, mm
def materials(h, m, smat, rm):
"""
define magnetic materials for the undulator poles and magnets
arguments:
H = list of magnetic field values / (Amp/m)
M = corresponding magnetization values / T
smat = material type string
rm = remanent magnetization / T
return: Radia representations of ...
pole-tip material, magnet material
"""
# -- magnetic property of poles
ma = [[mu0 * h[i], m[i]] for i in range(len(h))]
mp = radia.MatSatIsoTab(ma)
# -- permanent magnet material
mm = radia.MatStd(smat, rm)
return mp, mm
def set_mag_properties(J):
# Preprocessing function to setup objects that must be passed to `_mp` and `_mm`
# Can be used with serial evaluation - otherwise eval_hybrid_und will perform this calculation
# Pole Material
# B [G] vs H [G] data from NEOMAX
BvsH_G = [[0., 0], [0.5, 5000], [1, 10000], [1.5, 13000], [2, 15000], [3, 16500], [4, 17400], [6, 18500],
[8, 19250], [10, 19800],
[12, 20250], [14, 20600], [16, 20900], [18, 21120], [20, 21250], [25, 21450], [30, 21590], [40, 21850],
[50, 22000],
[70, 22170], [100, 22300], [200, 22500], [300, 22650], [500, 23000], [1000, 23900], [2000, 24900]]
MvsH_T = [[BvsH_G[i][0] * 1.e-4, (BvsH_G[i][1] - BvsH_G[i][0]) * 1.e-4] for i in range(len(BvsH_G))]
mp = rad.MatSatIsoTab(MvsH_T)
# Magnet Material
magBr = 1.67 # Remanent Magnetization
mm = rad.MatLin({0.05, 0.15}, magBr)
print("J starts as:", J)
J['inputs']['_mm'] = mm
J['inputs']['_mp'] = mp
print("J ends as:", J)
def _radia_material(material_type, magnetization_magnitude, h_m_curve):
if material_type == 'custom':
return radia.MatSatIsoTab(
[[_MU_0 * h_m_curve[i][0], h_m_curve[i][1]] for i in range(len(h_m_curve))]
)
return radia.MatStd(material_type, magnetization_magnitude)
chMagXZ = 3. #Magnet Chamfer in the XZ plane
chMagYZ = 0.05 #Magnet Chamfer in the YZ plane
chMagYZrat = sqrt(3.) #Magnet Chamfer Ratio: Longitudinal/Vertical
#Pole Material
#B [G] vs H [G] data from NEOMAX
BvsH_G = [[0., 0], [0.5, 5000], [1, 10000], [1.5, 13000], [2, 15000],
[3, 16500], [4, 17400], [6, 18500], [8, 19250], [10, 19800],
[12, 20250], [14, 20600], [16, 20900], [18, 21120], [20, 21250],
[25, 21450], [30, 21590], [40, 21850], [50, 22000], [70, 22170],
[100, 22300], [200, 22500], [300, 22650], [500, 23000],
[1000, 23900], [2000, 24900]]
MvsH_T = [[BvsH_G[i][0] * 1.e-04, (BvsH_G[i][1] - BvsH_G[i][0]) * 1.e-04]
for i in range(len(BvsH_G))]
mp = rad.MatSatIsoTab(MvsH_T)
#Magnet Material
magBr = 1.67 #Remanent Magnetization
mm = rad.MatLin({0.05, 0.15}, magBr)
grp = HybridUndCenPart(_gap=gap,
_gap_ofst=gapOffset,
_nper=nPer,
_air=air,
_lp=lp,
_ch_p=chPole,
_np=np,
_np_tip=npTip,
_mp=mp,
_cp=cp,
