Method for prediction magnetic silencing of uncertain energy-saturated extended technical objects in prolate spheroidal coordinate system

Aim.Development of method for prediction byenergy-saturated extended technical objectsmagneticsilencing based onmagnetostatics geometric inverse problems solution and magnetic field spatial spheroidal harmonics calculated inprolatespheroidal coordinate system taking into account of technical objects magnetic characteristics uncertainties.Methodology.Spatial prolate spheroidalharmonics ofextended technical objectsmagnetic field model calculated asmagnetostatics geometric inverse problemssolutionin the form ofnonlinear minimax optimization problem based on near field measurements for prediction farextended technical objectsmagnetic field magnitude. Nonlinear objective function calculated as the weighted sum of squared residuals between the measured and predicted magnetic field COMSOL Multiphysics software package used. Nonlinear minimax optimization problems solutions calculated based on particle swarm nonlinear optimization algorithms.Results.Results ofpredictionextended technical objectsfar magnetic field magnitude based onextended technical objectsspatial prolate spheroidalharmonics of the magnetic field modelin the prolate spheroidal coordinate systemusing near field measurements with consideration ofextended technical objectsmagnetic characteristics uncertainty.Originality.The method for prediction byextended technical objectsmagnetic cleanliness based on spatial prolate spheroidalharmonics of the magnetic field modelin the prolate spheroidal coordinate system with consideration of magnetic characteristics uncertainty is developed.Practical value.The important practical problem of predictionextended technical objectsmagnetic silencing based on the spatial prolate spheroidalharmonics of the magnetic field model in the prolate spheroidal coordinate systemwith consideration ofextended technical objectsmagnetic characteristics uncertainty solved.References 48, figures 2.