fractal modeling of vacuum arc cathode spots phd., ausheva nataliya msc., demchyshyn anatoliy
DESCRIPTION
Evaporation problem Ausheva N., Demchyshyn A.TRANSCRIPT
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Fractal modeling of vacuum arc cathode spots
PhD., Ausheva [email protected]
MSc., Demchyshyn [email protected]
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Physical vapor depositionDecorative coatings Functional coatings
Ausheva N., Demchyshyn A.
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Evaporation problemAusheva N., Demchyshyn A.
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Fractal geometryAusheva N., Demchyshyn A.
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Fractal nature of cathode spotsAusheva N., Demchyshyn A.
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System flowchartAusheva N., Demchyshyn A.
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Cathode spot walk modeling resultsAusheva N., Demchyshyn A.
Without magnetic field With tangent magnetic field
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CPUAggregate stochastic fractal: • DLA u = 1• DBM u > 2,3…• Proposed method u = 1,2,3…
u – random walkers count
Iterations count > 500k
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GPUAusheva N., Demchyshyn A.
Input discrete element fractal
Postprocessed fractal
Crater(arc aftermath)
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GPU(simplified fragment shader)
Ausheva N., Demchyshyn A.
uniform sampler2D tiu_u;uniform sampler2D tiu2_u;
void main(){vec3 color; color = GaussianBlur(tiu_u, 3); color = color * Random(tiu2_u); gl_FragColor = vec4(color, 1.);}
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Fractal structure analysisAusheva N., Demchyshyn A.
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ResultsAusheva N., Demchyshyn A.
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Thank youThe vacuum chamber was kindly provided byI.M. Frantsevich Institute of problems of material science,National Academy of Science of Ukraine, Kiev.