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Evaporation problem Ausheva N., Demchyshyn A.
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Fractal modeling of vacuum arc cathode spots
PhD., Ausheva [email protected]
MSc., Demchyshyn [email protected]
Physical vapor depositionDecorative coatings Functional coatings
Ausheva N., Demchyshyn A.
Evaporation problemAusheva N., Demchyshyn A.
Fractal geometryAusheva N., Demchyshyn A.
Fractal nature of cathode spotsAusheva N., Demchyshyn A.
System flowchartAusheva N., Demchyshyn A.
Cathode spot walk modeling resultsAusheva N., Demchyshyn A.
Without magnetic field With tangent magnetic field
CPUAggregate stochastic fractal: • DLA u = 1• DBM u > 2,3…• Proposed method u = 1,2,3…
u – random walkers count
Iterations count > 500k
GPUAusheva N., Demchyshyn A.
Input discrete element fractal
Postprocessed fractal
Crater(arc aftermath)
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.);}
Fractal structure analysisAusheva N., Demchyshyn A.
ResultsAusheva N., Demchyshyn A.
Thank youThe vacuum chamber was kindly provided byI.M. Frantsevich Institute of problems of material science,National Academy of Science of Ukraine, Kiev.
