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已同步 2025-08-07 23:14:03 +08:00
Re-structuring package layout
这个提交包含在:
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from pathlib import Path
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import gprMax
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import numpy as np
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# File path for output
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fn = Path(__file__)
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parts = fn.parts
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# Discretisation
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dl = 0.001
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# Domain
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x = 0.051
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y = 0.126
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z = 0.026
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domain = gprMax.Domain(p1=(x, y, z))
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dxdydz = gprMax.Discretisation(p1=(dl, dl, dl))
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time_window = gprMax.TimeWindow(iterations=2100)
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tssf = gprMax.TimeStepStabilityFactor(f=0.99)
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waveform = gprMax.Waveform(wave_type='gaussiandotnorm', amp=1, freq=9.42e9, id='mypulse')
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hertzian_dipole = gprMax.HertzianDipole(polarisation='z',
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p1=(0.013, 0.013, 0.014),
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waveform_id='mypulse')
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rx = gprMax.Rx(p1=(0.038, 0.114, 0.013))
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plate = gprMax.Plate(p1=(0.013, 0.013, 0.013),
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p2=(0.038, 0.113, 0.013), material_id='pec')
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gv1 = gprMax.GeometryView(p1=(0, 0, 0), p2=(x, y, z), dl=(dl, dl, dl),
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filename=Path(*parts[:-1], parts[-1] + '_n'), output_type='n')
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gv2 = gprMax.GeometryView(p1=(0, 0, 0), p2=(x, y, z), dl=(dl, dl, dl),
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filename=Path(*parts[:-1], parts[-1] + '_f'), output_type='f')
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pmls = {'CFS-PML': {'pml_type': gprMax.PMLFormulation(pml='HORIPML'),
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# Parameters from http://dx.doi.org/10.1109/TAP.2018.2823864
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'pml_cfs': [gprMax.PMLCFS(alphascalingprofile='constant',
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alphascalingdirection='forward',
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alphamin=0.05, alphamax=0.05,
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kappascalingprofile='quartic',
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kappascalingdirection='forward',
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kappamin=1, kappamax=8,
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sigmascalingprofile='quartic',
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sigmascalingdirection='forward',
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sigmamin=0,
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sigmamax=1.1 * ((4 + 1) / (150 * np.pi * dl)))]},
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'HORIPML-1': {'pml_type': gprMax.PMLFormulation(pml='HORIPML'),
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# Parameters from http://dx.doi.org/10.1109/TAP.2011.2180344
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'pml_cfs': [gprMax.PMLCFS(alphascalingprofile='constant',
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alphascalingdirection='forward',
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alphamin=0, alphamax=0,
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kappascalingprofile='quartic',
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kappascalingdirection='forward',
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kappamin=1, kappamax=12,
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sigmascalingprofile='quartic',
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sigmascalingdirection='forward',
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sigmamin=0,
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sigmamax=0.7 * ((4 + 1) / (150 * np.pi * dl)))]},
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'HORIPML-2': {'pml_type': gprMax.PMLFormulation(pml='HORIPML'),
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# Parameters from http://dx.doi.org/10.1109/TAP.2018.2823864
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'pml_cfs': [gprMax.PMLCFS(alphascalingprofile='constant',
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alphascalingdirection='forward',
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alphamin=0, alphamax=0,
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kappascalingprofile='constant',
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kappascalingdirection='forward',
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kappamin=1, kappamax=1,
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sigmascalingprofile='sextic',
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sigmascalingdirection='forward',
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sigmamin=0,
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sigmamax=0.275 / (150 * np.pi * dl)),
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gprMax.PMLCFS(alphascalingprofile='sextic',
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alphascalingdirection='forward',
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alphamin=0.07, alphamax=0.07 + (0.275 / (150 * np.pi * dl)),
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kappascalingprofile='cubic',
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kappascalingdirection='forward',
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kappamin=1, kappamax=8,
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sigmascalingprofile='quadratic',
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sigmascalingdirection='forward',
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sigmamin=0,
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sigmamax=2.75 / (150 * np.pi * dl))]},
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'MRIPML-1': {'pml_type': gprMax.PMLFormulation(pml='MRIPML'),
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# Parameters from Antonis' MATLAB script (M3Dparams.m)
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'pml_cfs': [gprMax.PMLCFS(alphascalingprofile='constant',
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alphascalingdirection='forward',
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alphamin=0.05, alphamax=0.05,
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kappascalingprofile='quartic',
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kappascalingdirection='forward',
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kappamin=1, kappamax=8,
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sigmascalingprofile='quartic',
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sigmascalingdirection='forward',
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sigmamin=0,
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sigmamax=1.1 * ((4 + 1) / (150 * np.pi * dl)))]},
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'MRIPML-2': {'pml_type': gprMax.PMLFormulation(pml='MRIPML'),
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# Parameters from http://dx.doi.org/10.1109/TAP.2018.2823864
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'pml_cfs': [gprMax.PMLCFS(alphascalingprofile='quadratic',
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alphascalingdirection='reverse',
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alphamin=0, alphamax=0.15,
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kappascalingprofile='quartic',
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kappascalingdirection='forward',
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kappamin=1, kappamax=12,
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sigmascalingprofile='quartic',
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sigmascalingdirection='forward',
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sigmamin=0,
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sigmamax=0.65 * ((4 + 1) / (150 * np.pi * dl))),
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gprMax.PMLCFS(alphascalingprofile='linear',
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alphascalingdirection='reverse',
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alphamin=0.07, alphamax=0.8,
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kappascalingprofile='constant',
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kappascalingdirection='forward',
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kappamin=0, kappamax=0,
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sigmascalingprofile='quadratic',
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sigmascalingdirection='forward',
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sigmamin=0,
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sigmamax=0.65 * ((2 + 1) / (150 * np.pi * dl)))]}
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}
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scenes = []
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for k, v in pmls.items():
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scene = gprMax.Scene()
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title = gprMax.Title(name=fn.with_suffix('').name + '_' + k)
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scene.add(title)
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scene.add(domain)
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scene.add(dxdydz)
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scene.add(time_window)
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scene.add(tssf)
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scene.add(waveform)
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scene.add(hertzian_dipole)
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scene.add(rx)
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# scene.add(gv1)
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# scene.add(gv2)
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pml_cells = gprMax.PMLCells(thickness=10)
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scene.add(pml_cells)
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scene.add(v['pml_type'])
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for pml_cfs in v['pml_cfs']:
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scene.add(pml_cfs)
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scenes.append(scene)
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# Run model
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gprMax.run(scenes=scenes, n=len(pmls), geometry_only=False, outputfile=fn)
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#title: Standard PML of response from an elongated thin PEC plate
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#domain: 0.201 0.276 0.176
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#dx_dy_dz: 0.001 0.001 0.001
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#time_window: 2100
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#time_step_stability_factor: 0.99
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################################################
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## PML parameters
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## CFS (alpha, kappa, sigma)
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## sigma_max = (0.8 * (m + 1)) / (z0 * d * np.sqrt(er * mr))
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## z0 = 376.73, d = 0.001
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################################################
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#pml_cells: 10
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#############
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## CFS PML ##
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#############
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#python:
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import numpy as np
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# Parameters from http://dx.doi.org/10.1109/TAP.2018.2823864
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smax = 1.1 * ((4 + 1) / (150 * np.pi * 0.001))
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print('#pml_cfs: constant forward 0.05 0.05 quartic forward 1 8 quartic forward 0 {}'.format(smax))
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#end_python:
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#waveform: gaussiandotnorm 1 9.42e9 mypulse
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#hertzian_dipole: z 0.088 0.088 0.089 mypulse
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#rx: 0.113 0.189 0.088
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#plate: 0.088 0.088 0.088 0.113 0.188 0.088 pec
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geometry_view: 0 0 0 0.201 0.276 0.176 0.001 0.001 0.001 pml_3D_pec_plate_ref_f f
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geometry_view: 0 0 0 0.201 0.276 0.176 0.001 0.001 0.001 pml_3D_pec_plate_ref_n n
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from pathlib import Path
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import gprMax
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import numpy as np
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# File path for output
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fn = Path(__file__)
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parts = fn.parts
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# Discretisation
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dl = 0.001
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# Domain
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x = 0.201
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y = 0.276
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z = 0.176
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domain = gprMax.Domain(p1=(x, y, z))
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dxdydz = gprMax.Discretisation(p1=(dl, dl, dl))
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time_window = gprMax.TimeWindow(iterations=2100)
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tssf = gprMax.TimeStepStabilityFactor(f=0.99)
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waveform = gprMax.Waveform(wave_type='gaussiandotnorm', amp=1, freq=9.42e9, id='mypulse')
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hertzian_dipole = gprMax.HertzianDipole(polarisation='z',
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p1=(0.088, 0.088, 0.089),
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waveform_id='mypulse')
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rx = gprMax.Rx(p1=(0.113, 0.189, 0.088))
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plate = gprMax.Plate(p1=(0.088, 0.088, 0.088),
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p2=(0.113, 0.188, 0.088), material_id='pec')
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gv1 = gprMax.GeometryView(p1=(0, 0, 0), p2=(x, y, z), dl=(dl, dl, dl),
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filename=Path(*parts[:-1], parts[-1] + '_n'), output_type='n')
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gv2 = gprMax.GeometryView(p1=(0, 0, 0), p2=(x, y, z), dl=(dl, dl, dl),
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filename=Path(*parts[:-1], parts[-1] + '_f'), output_type='f')
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pml_type = gprMax.PMLFormulation(pml='HORIPML')
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pml_cells = gprMax.PMLCells(thickness=10)
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# Parameters from http://dx.doi.org/10.1109/TAP.2018.2823864
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pml_cfs = gprMax.PMLCFS(alphascalingprofile='constant',
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alphascalingdirection='forward',
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alphamin=0.05, alphamax=0.05,
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kappascalingprofile='quartic',
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kappascalingdirection='forward',
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kappamin=1, kappamax=8,
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sigmascalingprofile='quartic',
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sigmascalingdirection='forward',
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sigmamin=0,
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sigmamax=1.1 * ((4 + 1) / (150 * np.pi * dl)))
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scene = gprMax.Scene()
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title = gprMax.Title(name=fn.with_suffix('').name + '_ref')
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scene.add(title)
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scene.add(domain)
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scene.add(dxdydz)
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scene.add(time_window)
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scene.add(tssf)
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scene.add(waveform)
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scene.add(hertzian_dipole)
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scene.add(rx)
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# scene.add(gv1)
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# scene.add(gv2)
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scene.add(pml_cells)
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scene.add(pml_type)
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scene.add(pml_cfs)
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# Run model
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gprMax.run(scenes=[scene], geometry_only=False, outputfile=fn)
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