modified: anasen_fem/run.py
modified: anasen_fem/scalars.dat modified: anasen_fem/scalars.dat.names modified: anasen_fem/wires2d.sif modified: anasen_fem/wires_gmsh2d_bc.py included IC and hot needle to simulations
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parent
652b680fb9
commit
00c8a9378e
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@ -18,4 +18,4 @@ while val<178.3+0.1:
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val=val+17.83
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count = count + 1
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break
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@ -1 +1 @@
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6.500000000000E+002
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8.500000000000E+002
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@ -2,7 +2,7 @@ Metadata for SaveScalars file: ./scalars.dat
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Elmer version: 26.1
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Elmer compilation date: 2026-03-15
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Solver input file: wires2d.sif
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File started at: 2026/03/31 16:47:17
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File started at: 2026/04/01 17:39:04
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Variables in columns of matrix:
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1: res: potential difference
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@ -84,20 +84,36 @@ Solver 4
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Filename = "scalars.dat"
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End
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Boundary Condition 1
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Target Boundaries = 1
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Potential = -200
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Calculate Electric Force = True
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End
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Boundary Condition 2
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Target Boundaries = 2
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Potential = 150
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Calculate Electric Force = True
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End
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Boundary Condition 3
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Target Boundaries = 3
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Potential = 250
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Calculate Electric Force = True
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End
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Boundary Condition 4
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Target Boundaries = 10
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Potential = 0
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End
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Boundary Condition 2
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Boundary Condition 5
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Target Boundaries = 20
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Potential = 650
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Calculate Electric Force = True
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End
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Boundary Condition 3
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Boundary Condition 6
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Target Boundaries = 30
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Potential = 0
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End
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@ -1,6 +1,10 @@
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import numpy as np
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import gmsh,sys
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# --- Configuration Flags ---
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include_ic_wires = True
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include_needle = True
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gmsh.initialize()
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gmsh.model.add("adaptive_mesh")
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gmsh.option.setNumber('General.NumThreads', 10)
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@ -23,11 +27,26 @@ z_loc = float(sys.argv[1])
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k=(2*np.pi/24.)
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#1 needle, 24 ic1, 24 ic2, 48 guard wires, 24 anodes, 24 cathodes
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#needle at plane 1 at -zmax/2
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xarr_needle = np.array([0])
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yarr_needle = np.array([0])
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#ic1 wires, plane 1 at -zmax/2
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ki=2*np.pi/24.
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xarr_i11 = np.array([23 * np.cos(ki * i) for i in range(24)])
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yarr_i11 = np.array([23 * np.sin(ki * i) for i in range(24)])
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#ic1 wires, plane 1 at -zmax/2
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xarr_i21 = np.array([23 * np.cos(ki * i + ki/2.0) for i in range(24)])
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yarr_i21 = np.array([23 * np.sin(ki * i + ki/2.0) for i in range(24)])
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#guard wires, plane 1 at -zmax/2
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kg=2*np.pi/24.
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kg=2*np.pi/48.
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offsetg = -4*kg + 2*kg - np.pi/24 #-pi/4
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xarrg_1 = np.array([32*np.cos(kg*i+offsetg) for i in np.arange(0,24)])
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yarrg_1 = np.array([32*np.sin(kg*i+offsetg) for i in np.arange(0,24)])
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xarrg_1 = np.array([32*np.cos(kg*i+offsetg) for i in np.arange(0,48)])
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yarrg_1 = np.array([32*np.sin(kg*i+offsetg) for i in np.arange(0,48)])
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#anodes, plane 1 at -zmax/2
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k=-2*np.pi/24.
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@ -41,10 +60,22 @@ offsetc = -4*kc + 2*kc - np.pi/24 #-pi/4
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xarrc_1 = np.array([42*np.cos(kc*i+offsetc) for i in np.arange(0,24)])
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yarrc_1 = np.array([42*np.sin(kc*i+offsetc) for i in np.arange(0,24)])
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#needle at plane 2 at zmax/2
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xarr_needle_2 = np.array([0])
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yarr_needle_2 = np.array([0])
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# #ic1 wires, plane 2 at zmax/2
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xarr_i12 = np.array([23 * np.cos(ki * i) for i in range(24)])
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yarr_i12 = np.array([23 * np.sin(ki * i) for i in range(24)])
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# #ic2 wires, plane 2 at zmax/2
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xarr_i22 = np.array([23 * np.cos(ki * i + ki/2.0) for i in range(24)])
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yarr_i22 = np.array([23 * np.sin(ki * i + ki/2.0) for i in range(24)])
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#guard wires, plane 2 at +zmax/2
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offsetg = offsetg-3*kg
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xarrg_2 = np.array([32*np.cos(kg*i+offsetg) for i in np.arange(0,24)])
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yarrg_2 = np.array([32*np.sin(kg*i+offsetg) for i in np.arange(0,24)])
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xarrg_2 = np.array([32*np.cos(kg*i+offsetg) for i in np.arange(0,48)])
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yarrg_2 = np.array([32*np.sin(kg*i+offsetg) for i in np.arange(0,48)])
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#anodes, plane 2 at +zmax/2
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offset = offset-3*k
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@ -56,6 +87,15 @@ offsetc = offsetc-3*kc
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xarrc_2 = np.array([42*np.cos(kc*i+offsetc) for i in np.arange(0,24)])
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yarrc_2 = np.array([42*np.sin(kc*i+offsetc) for i in np.arange(0,24)])
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direction_needle_x = xarr_needle_2 - xarr_needle
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direction_needle_y = yarr_needle_2 - yarr_needle
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direction_ic1_x = xarr_i12 - xarr_i11
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direction_ic1_y = yarr_i12 - yarr_i11
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direction_ic2_x = xarr_i22 - xarr_i21
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direction_ic2_y = yarr_i22 - yarr_i21
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direction_guard_x = xarrg_2 - xarrg_1
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direction_guard_y = yarrg_2 - yarrg_1
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@ -66,6 +106,13 @@ direction_cathodes_x = xarrc_2 - xarrc_1
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direction_cathodes_y = yarrc_2 - yarrc_1
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t = (z_loc+178.3)/(2*178.3) #z=-178.3 is 0, z=+178.3 is 1
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xloc_needle = xarr_needle + t*direction_needle_x
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yloc_needle = yarr_needle + t*direction_needle_y
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xloc_i1 = xarr_i11 + t*direction_ic1_x
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yloc_i1 = yarr_i11 + t*direction_ic1_y
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xloc_i2 = xarr_i21 + t*direction_ic2_x
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yloc_i2 = yarr_i21 + t*direction_ic2_y
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xloc_g = xarrg_1 + t*direction_guard_x
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yloc_g = yarrg_1 + t*direction_guard_y
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xloc_a = xarra_1 + t*direction_anodes_x
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@ -77,22 +124,43 @@ yloc_c = yarrc_1 + t*direction_cathodes_y
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# wire_radius_c = 0.0762 #mm
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# wire_radius_g = 0.0762 #mm
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wire_radius = 0.254 #mm
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needle=[]
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ic1_wires = []
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ic2_wires = []
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guard_wires = []
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anode_wires = []
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cathode_wires = []
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gw_tags = [(3,i+24) for i in range(24)]
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iw1_tags = [(3,i) for i in range(24)]
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iw2_tags = [(3,i+24) for i in range(24)]
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gw_tags = [(3,i+48) for i in range(48)]
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aw_tags = [(3,i) for i in range(24)]
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cw_tags = [(3,i+24) for i in range(24)]
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#for i,[xa,ya,xc,yc] in enumerate(zip(xarra_1,yarra_1,xarrc_1,yarrc_1)):
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for i,[xg,yg,xa,ya,xc,yc] in enumerate(zip(xloc_g,yloc_g,xloc_a,yloc_a,xloc_c,yloc_c)):
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print(i,xg,yg,-178.3,xa,ya,-178.3,xc,yc,-178.3)
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gdisk = gmsh.model.occ.addDisk(xg,yg,0,wire_radius,wire_radius)
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adisk = gmsh.model.occ.addDisk(xa,ya,0,wire_radius,wire_radius)
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cdisk = gmsh.model.occ.addDisk(xc,yc,0,wire_radius,wire_radius)
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#create Hot Needle (1 total)
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for i, (xn, yn) in enumerate(zip(xloc_needle, yloc_needle)):
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if include_needle:
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ndisk = gmsh.model.occ.addDisk(xn, yn, 0, wire_radius, wire_radius)
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needle.append(ndisk)
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#create Guard Wires (48 total)
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for i, (xg, yg) in enumerate(zip(xloc_g, yloc_g)):
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gdisk = gmsh.model.occ.addDisk(xg, yg, 0, wire_radius, wire_radius)
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guard_wires.append(gdisk)
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#create IC Anode and Cathode Wires (24 total each)
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for i, (xa, ya, xc, yc) in enumerate(zip(xloc_a, yloc_a, xloc_c, yloc_c)):
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adisk = gmsh.model.occ.addDisk(xa, ya, 0, wire_radius, wire_radius)
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cdisk = gmsh.model.occ.addDisk(xc, yc, 0, wire_radius, wire_radius)
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anode_wires.append(adisk)
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cathode_wires.append(cdisk)
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# Place IC wires only if flag is True
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if include_ic_wires:
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i1disk = gmsh.model.occ.addDisk(xloc_i1[i], yloc_i1[i], 0, wire_radius, wire_radius)
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i2disk = gmsh.model.occ.addDisk(xloc_i2[i], yloc_i2[i], 0, wire_radius, wire_radius)
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ic1_wires.append(i1disk)
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ic2_wires.append(i2disk)
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anasen_barrel = gmsh.model.occ.addDisk(0,0,0,500,500)
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#gmsh.model.occ.synchronize()
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@ -102,50 +170,54 @@ gmsh.option.setNumber("Geometry.Tolerance", 1e-6)
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gmsh.option.setNumber("Geometry.OCCFixDegenerated", 1)
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gmsh.model.occ.synchronize()
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gwire_surfs = []
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for w in guard_wires:
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gwire_surfs += [s[1] for s in gmsh.model.getBoundary([(2,w)], oriented=False) if s[0] == 1]
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# --- Surface Extraction ---
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def get_surfs(disks):
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surfs = []
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for d in disks:
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surfs += [s[1] for s in gmsh.model.getBoundary([(2,d)], oriented=False) if s[0] == 1]
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return surfs
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awire_surfs = []
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for w in anode_wires:
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awire_surfs += [s[1] for s in gmsh.model.getBoundary([(2,w)], oriented=False) if s[0] == 1]
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cwire_surfs = []
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for w in cathode_wires:
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cwire_surfs += [s[1] for s in gmsh.model.getBoundary([(2,w)], oriented=False) if s[0] == 1]
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gmsh.model.mesh.embed(1,cwire_surfs+awire_surfs+gwire_surfs,2,anasen_barrel)
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for s in gmsh.model.getBoundary([(2,w)],oriented=False):
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if s[0] == 1:
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anasen_bdry=s[1]
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needle_surfs = get_surfs(needle) if include_needle else []
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gwire_surfs = get_surfs(guard_wires)
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awire_surfs = get_surfs(anode_wires)
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cwire_surfs = get_surfs(cathode_wires)
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i1wire_surfs = get_surfs(ic1_wires) if include_ic_wires else []
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i2wire_surfs = get_surfs(ic2_wires) if include_ic_wires else []
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f1 = gmsh.model.mesh.field.add("Distance")
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gmsh.model.mesh.field.setNumbers(f1,"CurvesList",cwire_surfs+awire_surfs+gwire_surfs)
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all_active_wire_surfs = needle_surfs + gwire_surfs + awire_surfs + cwire_surfs + i1wire_surfs + i2wire_surfs
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gmsh.model.mesh.embed(1, all_active_wire_surfs, 2, anasen_barrel)
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# f1 = gmsh.model.mesh.field.add("Distance")
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# gmsh.model.mesh.field.setNumbers(f1, "CurvesList", all_active_wire_surfs)
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f2 = gmsh.model.mesh.field.add("Threshold")
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gmsh.model.mesh.field.setNumber(f2,"InField",f1)
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gmsh.model.mesh.field.setNumber(f2,"SizeMin",0.1)
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gmsh.model.mesh.field.setNumber(f2,"SizeMax",5)
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gmsh.model.mesh.field.setNumber(f2,"DistMin",1)
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gmsh.model.mesh.field.setNumber(f2,"DistMax",20)
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# f2 = gmsh.model.mesh.field.add("Threshold")
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# gmsh.model.mesh.field.setNumber(f2, "InField", f1)
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# gmsh.model.mesh.field.setNumber(f2, "SizeMin", 0.1) # Fine mesh near wires
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# gmsh.model.mesh.field.setNumber(f2, "SizeMax", 10.0) # Large mesh in empty space
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# gmsh.model.mesh.field.setNumber(f2, "DistMin", 1.0) # Apply SizeMin within 1mm
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# gmsh.model.mesh.field.setNumber(f2, "DistMax", 20.0) # Transition to SizeMax by 20mm
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gmsh.model.mesh.field.setAsBackgroundMesh(f2)
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# gmsh.model.mesh.field.setAsBackgroundMesh(f2)
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gmsh.model.addPhysicalGroup(1, gwire_surfs, tag=10)
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gmsh.model.setPhysicalName(1,10,"guard_wires")
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gmsh.model.addPhysicalGroup(1, awire_surfs, tag=20)
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gmsh.model.setPhysicalName(1,20,"anode_wires")
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# --- Physical Groups ---
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# Needle
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if include_needle:
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gmsh.model.addPhysicalGroup(1, needle_surfs, tag=1, name="hot_needle")
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gmsh.model.addPhysicalGroup(1, cwire_surfs, tag=30)
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gmsh.model.setPhysicalName(1,30,"cathode_wires")
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# IC Wires
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if include_ic_wires:
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gmsh.model.addPhysicalGroup(1, i1wire_surfs, tag=2, name="ic_wire_1")
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gmsh.model.addPhysicalGroup(1, i2wire_surfs, tag=3, name="ic_wire_2")
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#gmsh.model.addPhysicalGroup(1, [anasen_bdry], tag=30)
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#gmsh.model.setPhysicalName(1,30,"barrel_boundary")
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# Proportional Counter Wires
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gmsh.model.addPhysicalGroup(1, gwire_surfs, tag=10, name="guard_wires")
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gmsh.model.addPhysicalGroup(1, awire_surfs, tag=20, name="anode_wires")
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gmsh.model.addPhysicalGroup(1, cwire_surfs, tag=30, name="cathode_wires")
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gmsh.model.addPhysicalGroup(2,[anasen_barrel],tag=13)
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gmsh.model.setPhysicalName(1,13,"gas")
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# Gas Volume (2D)
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gmsh.model.addPhysicalGroup(2, [anasen_barrel], tag=13, name="gas")
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gmsh.option.setNumber("Mesh.Algorithm", 6)
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