Example: 2D Geometry
This example shows the interaction of 1 keV hydrogen with a circular cross-section of a B-N dust grain (composed of 50% B, 50% N by number).
This figure shows the cross-section of a boron-nitride dust grain exposed to a mono-energetic beam of 1 keV hydrogen. The trajectories of hydrogen are shown in black, boron in dark orange, and nitrogen in lighter orange. Hydrogen enters at the left side of the circular mesh, at y=0.
# H on BN
This example shows the interaction of 1 keV hydrogen with a circular cross-section of a B-N dust grain (composed of 50% B, 50% N by number).
This figure shows the cross-section of a boron-nitride dust grain exposed to a mono-energetic beam of 1 keV hydrogen. The trajectories of hydrogen are shown in black, boron in dark orange, and nitrogen in lighter orange. Hydrogen enters at the left side of the circular mesh, at y=0.
# Input File
[options] name = "boron_dust_grain_" track_trajectories = true track_recoils = true track_recoil_trajectories = true stream_size = 8000 weak_collision_order = 0 suppress_deep_recoils = false high_energy_free_flight_paths = false num_threads = 4 num_chunks = 10 use_hdf5 = false electronic_stopping_mode = "LOW_ENERGY_NONLOCAL" mean_free_path_model = "LIQUID" interaction_potential = "KR_C" scattering_integral = "MENDENHALL_WELLER" root_finder = {"NEWTON"={max_iterations=100, tolerance=1E-3}} track_displacements = false track_energy_losses = false
[material_parameters] energy_unit = "EV" mass_unit = "AMU" Eb = [ 0.0, 0.0,] Es = [ 5.76, 0.0,] Ec = [ 0.5, 0.5,] Z = [ 5, 7,] m = [ 10.811, 14,] interaction_index = [0, 0] electronic_stopping_correction_factor = 1.0 surface_binding_model = "AVERAGE"
[particle_parameters] length_unit = "MICRON" energy_unit = "EV" mass_unit = "AMU" N = [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,] m = [ 1.008, 1.008, 1.008, 1.008, 1.008, 1.008, 1.008, 1.008, 1.008, 1.008,] Z = [ 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,] E = [ 1000.0, 1000.0, 1000.0, 1000.0, 1000.0, 1000.0, 1000.0, 1000.0, 1000.0, 1000.0,] Ec = [ 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5, 0.5,] Es = [ 10.0, 10.0, 10.0, 10.0, 10.0, 10.0, 10.0, 10.0, 10.0, 10.0,] pos = [ [ -0.021, 0.0, 0.0,], [ -0.021, 0.0, 0.0,], [ -0.021, 0.0, 0.0,], [ -0.021, 0.0, 0.0,], [ -0.021, 0.0, 0.0,], [ -0.021, 0.0, 0.0,], [ -0.021, 0.0, 0.0,], [ -0.021, 0.0, 0.0,], [ -0.021, 0.0, 0.0,], [ -0.021, 0.0, 0.0,],] dir = [ [ 0.9999999999984769, 1.7453292519934434e-6, 0.0,], [ 0.9999999999984769, 1.7453292519934434e-6, 0.0,], [ 0.9999999999984769, 1.7453292519934434e-6, 0.0,], [ 0.9999999999984769, 1.7453292519934434e-6, 0.0,], [ 0.9999999999984769, 1.7453292519934434e-6, 0.0,], [ 0.9999999999984769, 1.7453292519934434e-6, 0.0,], [ 0.9999999999984769, 1.7453292519934434e-6, 0.0,], [ 0.9999999999984769, 1.7453292519934434e-6, 0.0,], [ 0.9999999999984769, 1.7453292519934434e-6, 0.0,], [ 0.9999999999984769, 1.7453292519934434e-6, 0.0,],] interaction_index = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0] particle_input_filename=""
[mesh_2d_input] length_unit = "MICRON" energy_barrier_thickness = 1.7645653881793786e-4 coordinate_sets = [ [ 0.0, 0.0, 0.0012558103905862675, 0.0, 0.02, 0.019960534568565433,], [ 0.0, 0.0012558103905862675, 0.0025066646712860853, 0.0, 0.019960534568565433, 0.019842294026289557,], [ 0.0, 0.0025066646712860853, 0.003747626291714493, 0.0, 0.019842294026289557, 0.019645745014573775,], [ 0.0, 0.003747626291714493, 0.004973797743297096, 0.0, 0.019645745014573775, 0.01937166322257262,], [ 0.0, 0.004973797743297096, 0.0061803398874989484, 0.0, 0.01937166322257262, 0.019021130325903073,], [ 0.0, 0.0061803398874989484, 0.00736249105369356, 0.0, 0.019021130325903073, 0.018595529717765027,], [ 0.0, 0.00736249105369356, 0.008515585831301454, 0.0, 0.018595529717765027, 0.01809654104932039,], [ 0.0, 0.008515585831301454, 0.009635073482034308, 0.0, 0.01809654104932039, 0.01752613360087727,], [ 0.0, 0.009635073482034308, 0.010716535899579934, 0.0, 0.01752613360087727, 0.0168865585100403,], [ 0.0, 0.010716535899579934, 0.011755705045849463, 0.0, 0.0168865585100403, 0.016180339887498948,], [ 0.0, 0.011755705045849463, 0.012748479794973795, 0.0, 0.016180339887498948, 0.015410264855515783,], [ 0.0, 0.012748479794973795, 0.013690942118573775, 0.0, 0.015410264855515783, 0.014579372548428232,], [ 0.0, 0.013690942118573775, 0.014579372548428232, 0.0, 0.014579372548428232, 0.013690942118573773,], [ 0.0, 0.014579372548428232, 0.015410264855515785, 0.0, 0.013690942118573773, 0.012748479794973793,], [ 0.0, 0.015410264855515785, 0.016180339887498948, 0.0, 0.012748479794973793, 0.011755705045849461,], [ 0.0, 0.016180339887498948, 0.0168865585100403, 0.0, 0.011755705045849461, 0.01071653589957993,], [ 0.0, 0.0168865585100403, 0.017526133600877274, 0.0, 0.01071653589957993, 0.009635073482034304,], [ 0.0, 0.017526133600877274, 0.018096541049320392, 0.0, 0.009635073482034304, 0.008515585831301454,], [ 0.0, 0.018096541049320392, 0.01859552971776503, 0.0, 0.008515585831301454, 0.007362491053693557,], [ 0.0, 0.01859552971776503, 0.019021130325903073, 0.0, 0.007362491053693557, 0.006180339887498949,], [ 0.0, 0.019021130325903073, 0.01937166322257262, 0.0, 0.006180339887498949, 0.004973797743297095,], [ 0.0, 0.01937166322257262, 0.019645745014573775, 0.0, 0.004973797743297095, 0.0037476262917144902,], [ 0.0, 0.019645745014573775, 0.019842294026289557, 0.0, 0.0037476262917144902, 0.0025066646712860853,], [ 0.0, 0.019842294026289557, 0.019960534568565433, 0.0, 0.0025066646712860853, 0.001255810390586266,], [ 0.0, 0.019960534568565433, 0.02, 0.0, 0.001255810390586266, -3.2162452993532734e-18,], [ 0.0, 0.02, 0.019960534568565433, 0.0, -3.2162452993532734e-18, -0.001255810390586268,], [ 0.0, 0.019960534568565433, 0.019842294026289557, 0.0, -0.001255810390586268, -0.0025066646712860875,], [ 0.0, 0.019842294026289557, 0.019645745014573772, 0.0, -0.0025066646712860875, -0.0037476262917144967,], [ 0.0, 0.019645745014573772, 0.01937166322257262, 0.0, -0.0037476262917144967, -0.004973797743297097,], [ 0.0, 0.01937166322257262, 0.019021130325903073, 0.0, -0.004973797743297097, -0.006180339887498951,], [ 0.0, 0.019021130325903073, 0.01859552971776503, 0.0, -0.006180339887498951, -0.00736249105369356,], [ 0.0, 0.01859552971776503, 0.01809654104932039, 0.0, -0.00736249105369356, -0.008515585831301454,], [ 0.0, 0.01809654104932039, 0.01752613360087727, 0.0, -0.008515585831301454, -0.00963507348203431,], [ 0.0, 0.01752613360087727, 0.0168865585100403, 0.0, -0.00963507348203431, -0.010716535899579938,], [ 0.0, 0.0168865585100403, 0.016180339887498948, 0.0, -0.010716535899579938, -0.011755705045849461,], [ 0.0, 0.016180339887498948, 0.015410264855515785, 0.0, -0.011755705045849461, -0.012748479794973795,], [ 0.0, 0.015410264855515785, 0.014579372548428228, 0.0, -0.012748479794973795, -0.013690942118573775,], [ 0.0, 0.014579372548428228, 0.01369094211857377, 0.0, -0.013690942118573775, -0.014579372548428234,], [ 0.0, 0.01369094211857377, 0.01274847979497379, 0.0, -0.014579372548428234, -0.015410264855515788,], [ 0.0, 0.01274847979497379, 0.011755705045849465, 0.0, -0.015410264855515788, -0.016180339887498948,], [ 0.0, 0.011755705045849465, 0.010716535899579934, 0.0, -0.016180339887498948, -0.0168865585100403,], [ 0.0, 0.010716535899579934, 0.009635073482034304, 0.0, -0.0168865585100403, -0.01752613360087727,], [ 0.0, 0.009635073482034304, 0.00851558583130145, 0.0, -0.01752613360087727, -0.018096541049320392,], [ 0.0, 0.00851558583130145, 0.007362491053693555, 0.0, -0.018096541049320392, -0.01859552971776503,], [ 0.0, 0.007362491053693555, 0.006180339887498942, 0.0, -0.01859552971776503, -0.019021130325903073,], [ 0.0, 0.006180339887498942, 0.004973797743297097, 0.0, -0.019021130325903073, -0.01937166322257262,], [ 0.0, 0.004973797743297097, 0.0037476262917144915, 0.0, -0.01937166322257262, -0.019645745014573775,], [ 0.0, 0.0037476262917144915, 0.002506664671286082, 0.0, -0.019645745014573775, -0.019842294026289557,], [ 0.0, 0.002506664671286082, 0.0012558103905862628, 0.0, -0.019842294026289557, -0.019960534568565433,], [ 0.0, 0.0012558103905862628, -6.432490598706547e-18, 0.0, -0.019960534568565433, -0.02,], [ 0.0, -6.432490598706547e-18, -0.0012558103905862669, 0.0, -0.02, -0.019960534568565433,], [ 0.0, -0.0012558103905862669, -0.0025066646712860858, 0.0, -0.019960534568565433, -0.019842294026289557,], [ 0.0, -0.0025066646712860858, -0.0037476262917144954, 0.0, -0.019842294026289557, -0.019645745014573772,], [ 0.0, -0.0037476262917144954, -0.0049737977432971, 0.0, -0.019645745014573772, -0.01937166322257262,], [ 0.0, -0.0049737977432971, -0.0061803398874989545, 0.0, -0.01937166322257262, -0.019021130325903073,], [ 0.0, -0.0061803398874989545, -0.007362491053693567, 0.0, -0.019021130325903073, -0.018595529717765024,], [ 0.0, -0.007362491053693567, -0.008515585831301454, 0.0, -0.018595529717765024, -0.01809654104932039,], [ 0.0, -0.008515585831301454, -0.009635073482034308, 0.0, -0.01809654104932039, -0.01752613360087727,], [ 0.0, -0.009635073482034308, -0.010716535899579936, 0.0, -0.01752613360087727, -0.0168865585100403,], [ 0.0, -0.010716535899579936, -0.011755705045849468, 0.0, -0.0168865585100403, -0.016180339887498944,], [ 0.0, -0.011755705045849468, -0.0127484797949738, 0.0, -0.016180339887498944, -0.015410264855515781,], [ 0.0, -0.0127484797949738, -0.013690942118573775, 0.0, -0.015410264855515781, -0.014579372548428232,], [ 0.0, -0.013690942118573775, -0.014579372548428232, 0.0, -0.014579372548428232, -0.013690942118573773,], [ 0.0, -0.014579372548428232, -0.015410264855515788, 0.0, -0.013690942118573773, -0.01274847979497379,], [ 0.0, -0.015410264855515788, -0.016180339887498948, 0.0, -0.01274847979497379, -0.011755705045849465,], [ 0.0, -0.016180339887498948, -0.016886558510040308, 0.0, -0.011755705045849465, -0.010716535899579927,], [ 0.0, -0.016886558510040308, -0.01752613360087727, 0.0, -0.010716535899579927, -0.009635073482034306,], [ 0.0, -0.01752613360087727, -0.018096541049320396, 0.0, -0.009635073482034306, -0.008515585831301443,], [ 0.0, -0.018096541049320396, -0.01859552971776503, 0.0, -0.008515585831301443, -0.007362491053693556,], [ 0.0, -0.01859552971776503, -0.019021130325903073, 0.0, -0.007362491053693556, -0.006180339887498951,], [ 0.0, -0.019021130325903073, -0.019371663222572624, 0.0, -0.006180339887498951, -0.004973797743297089,], [ 0.0, -0.019371663222572624, -0.019645745014573775, 0.0, -0.004973797743297089, -0.003747626291714493,], [ 0.0, -0.019645745014573775, -0.019842294026289557, 0.0, -0.003747626291714493, -0.0025066646712860745,], [ 0.0, -0.019842294026289557, -0.019960534568565433, 0.0, -0.0025066646712860745, -0.001255810390586264,], [ 0.0, -0.019960534568565433, -0.02, 0.0, -0.001255810390586264, -3.673940397442059e-18,], [ 0.0, -0.02, -0.019960534568565433, 0.0, -3.673940397442059e-18, 0.0012558103905862745,], [ 0.0, -0.019960534568565433, -0.019842294026289557, 0.0, 0.0012558103905862745, 0.0025066646712860845,], [ 0.0, -0.019842294026289557, -0.019645745014573772, 0.0, 0.0025066646712860845, 0.003747626291714503,], [ 0.0, -0.019645745014573772, -0.01937166322257262, 0.0, 0.003747626291714503, 0.004973797743297099,], [ 0.0, -0.01937166322257262, -0.019021130325903073, 0.0, 0.004973797743297099, 0.006180339887498945,], [ 0.0, -0.019021130325903073, -0.018595529717765024, 0.0, 0.006180339887498945, 0.007362491053693565,], [ 0.0, -0.018595529717765024, -0.018096541049320392, 0.0, 0.007362491053693565, 0.008515585831301452,], [ 0.0, -0.018096541049320392, -0.017526133600877267, 0.0, 0.008515585831301452, 0.009635073482034314,], [ 0.0, -0.017526133600877267, -0.0168865585100403, 0.0, 0.009635073482034314, 0.010716535899579936,], [ 0.0, -0.0168865585100403, -0.01618033988749894, 0.0, 0.010716535899579936, 0.011755705045849473,], [ 0.0, -0.01618033988749894, -0.015410264855515781, 0.0, 0.011755705045849473, 0.0127484797949738,], [ 0.0, -0.015410264855515781, -0.014579372548428232, 0.0, 0.0127484797949738, 0.013690942118573773,], [ 0.0, -0.014579372548428232, -0.013690942118573766, 0.0, 0.013690942118573773, 0.014579372548428239,], [ 0.0, -0.013690942118573766, -0.012748479794973793, 0.0, 0.014579372548428239, 0.015410264855515788,], [ 0.0, -0.012748479794973793, -0.011755705045849453, 0.0, 0.015410264855515788, 0.016180339887498955,], [ 0.0, -0.011755705045849453, -0.010716535899579927, 0.0, 0.016180339887498955, 0.016886558510040305,], [ 0.0, -0.010716535899579927, -0.009635073482034308, 0.0, 0.016886558510040305, 0.01752613360087727,], [ 0.0, -0.009635073482034308, -0.008515585831301445, 0.0, 0.01752613360087727, 0.018096541049320396,], [ 0.0, -0.008515585831301445, -0.007362491053693557, 0.0, 0.018096541049320396, 0.01859552971776503,], [ 0.0, -0.007362491053693557, -0.006180339887498935, 0.0, 0.01859552971776503, 0.019021130325903076,], [ 0.0, -0.006180339887498935, -0.00497379774329709, 0.0, 0.019021130325903076, 0.019371663222572624,], [ 0.0, -0.00497379774329709, -0.0037476262917144937, 0.0, 0.019371663222572624, 0.019645745014573775,], [ 0.0, -0.0037476262917144937, -0.002506664671286076, 0.0, 0.019645745014573775, 0.019842294026289557,], [ 0.0, -0.002506664671286076, -0.0012558103905862654, 0.0, 0.019842294026289557, 0.019960534568565433,], [ 0.0, -0.0012558103905862654, -4.898587196589413e-18, 0.0, 0.019960534568565433, 0.02,],] densities = [ [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,], [ 6.5E+10, 6.5E+10,],] boundary_points = [ [ 0.0, 0.02,], [ 0.0012558103905862675, 0.019960534568565433,], [ 0.0025066646712860853, 0.019842294026289557,], [ 0.003747626291714493, 0.019645745014573775,], [ 0.004973797743297096, 0.01937166322257262,], [ 0.0061803398874989484, 0.019021130325903073,], [ 0.00736249105369356, 0.018595529717765027,], [ 0.008515585831301454, 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