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Small modifications to 1D input files to make them start from a small

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x/r position to avoid huge fields in Radial case when r -> 0 due to
charge accumulation.

Added a Gnuplot script to plot both potential profiles extracted from
Gmsh.
This commit is contained in:
Jorge Gonzalez 2021-01-23 10:58:39 +01:00
commit 2eae95002d
5 changed files with 29833 additions and 10011 deletions
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22
runs/1D_Cathode/curve_potential.gp Normal file
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@ -0,0 +1,22 @@
#Export the potential curves from Gmsh into a txt file.
reset
set terminal qt persist enhanced 1 size 600, 400
set style line 1 pt 1 lc rgb "red"
set style line 2 pt 2 lc rgb "blue"
set style line 3 pt 4 lc rgb "#006400"
set style line 4 pt 6 lc rgb "orange"
set style line 5 pt 8 lc rgb "black"
set style line 6 pt 10 lc rgb "#ADD8E6"
set xlabel "x/r (mm)"
set autoscale y
set ylabel "Potential (V)"
set key box at 90,-10
set title "Effect of geometry"
plot "Cartesian.dat" u ($5*1e3):($8) every 100 ls 1 t "Cartesian", \
"Radial.dat" u ($5*1e3):($8) every 100 ls 2 t "Radial"

4
runs/1D_Cathode/inputCart.json
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@ -34,12 +34,12 @@
{"name": "Infinite", "type": "dirichlet", "potential": 0.0, "physicalSurface": 2}
],
"inject": [
{"name": "Cathode Electron", "species": "Electron", "flow": 9.0e-5, "units": "A", "v": 27500.0, "T": [2500.0, 2500.0, 2500.0],
{"name": "Cathode Electron", "species": "Electron", "flow": 1.0e-3, "units": "A", "v": 27500.0, "T": [2500.0, 2500.0, 2500.0],
"velDist": ["Maxwellian", "Maxwellian", "Maxwellian"], "n": [ 1, 0, 0], "physicalSurface": 1}
],
"case": {
"tau": [1.0e-11],
"time": 1.0e-6,
"time": 1.0e-7,
"pusher": ["1DCartCharged"],
"EMSolver": "Electrostatic"
},

4
runs/1D_Cathode/inputRad.json
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@ -34,12 +34,12 @@
{"name": "Infinite", "type": "dirichlet", "potential": 0.0, "physicalSurface": 2}
],
"inject": [
{"name": "Cathode Electron", "species": "Electron", "flow": 9.0e-5, "units": "A", "v": 27500.0, "T": [2500.0, 2500.0, 2500.0],
{"name": "Cathode Electron", "species": "Electron", "flow": 1.0e-3, "units": "A", "v": 27500.0, "T": [2500.0, 2500.0, 2500.0],
"velDist": ["Maxwellian", "Maxwellian", "Maxwellian"], "n": [ 1, 0, 0], "physicalSurface": 1}
],
"case": {
"tau": [1.0e-11],
"time": 1.0e-6,
"time": 1.0e-7,
"pusher": ["1DRadCharged"],
"EMSolver": "Electrostatic"
},

39808
runs/1D_Cathode/mesh.msh
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6
src/modules/moduleInput.f90
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@ -366,13 +366,13 @@ MODULE moduleInput
!Gets the basename of the folder
CALL config%get(object // '.folder', baseName, found)
IF (found) THEN
folder = baseName
folder = baseName // '_'
END IF
!Compose the folder name
folder = folder // '_' // date_now(1:4) // '-' // date_now(5:6) // '-' // date_now(7:8) // '_' &
// time_now(1:2) // '.' // time_now(3:4) // '.' // time_now(5:6)
folder = folder // date_now(1:4) // '-' // date_now(5:6) // '-' // date_now(7:8) // '_' &
// time_now(1:2) // '.' // time_now(3:4) // '.' // time_now(5:6)
!Creates the folder
CALL EXECUTE_COMMAND_LINE('mkdir ' // path // folder )