نتایج جستجو برای: inverse boundary problem

تعداد نتایج: 1077872  

Journal: :Journal of Mathematical Sciences 2022

Conditions for the solvability of problem inverse to linear autonomous Noether boundary-value system ordinary differential equations have been found.

Journal: :Computers & Mathematics with Applications 2006
Radoslaw Grzymkowski Damian Slota

In this paper, the solution of one-phase inverse Stefan problem is presented. The problem consists of the reconstruction of the function which describes the distribution of temperature on the boundary, when the position of the moving interface is well-known. The proposed solution is based on the Adomian decomposition method and the least square method. (~) 2006 Elsevier Ltd. All rights reserved...

2012
M. I. Isaev

We give an instability estimate for the Gel’fand inverse boundary value problem at high energies. Our instability estimate shows an optimality of several important preceeding stability results on inverse problems of such a type.

Journal: :Inverse Problems 2022

Abstract In this work, we consider a novel inverse problem in mean-field games (MFGs). We aim to recover the MFG model parameters that govern underlying interactions among population based on limited set of noisy partial observations dynamics under aperture. Due its severe ill-posedness, obtaining good quality reconstruction is very difficult. Nonetheless, it vital stably and efficiently order ...

2009
Iwona Nowak Jacek Smolka Andrzej J. Nowak

The paper discusses a 3D numerical solution of the inverse boundary problem for a continuous casting process of alloy. The main goal of the analysis presented within the paper was to estimate heat fluxes along the external surface of the ingot. The verified information on these fluxes was crucial for a good design of a mould, effective cooling system and generally the whole caster. In the study...

2008
Nikolai Dokuchaev

The paper studies some inverse boundary value problem for simplest parabolic equations such that the homogenuous Cauchy condition is ill posed at initial time. Some regularity of the solution is established for a wide class of boundary value inputs.

ژورنال: ژئوفیزیک ایران 2018

In the current work, a 2D non-linear inverse problem of gravity data is solved using the evolution strategies (ES) to find the thickness of a sedimentary layer in a deep-water situation where a thick sedimentary layer usually exists. Such problems are widely encountered in the early stages of petroleum explorations where potential field data are used to find an initial estimate of the basin geo...

‎The ‎method ‎of ‎quasilinearization ‎is ‎an ‎effective ‎tool ‎to ‎solve nonlinear ‎equations ‎when ‎some ‎conditions‎ on ‎the ‎nonlinear term ‎of ‎the ‎problem ‎are ‎satisfi‎‎ed. ‎W‎hen ‎the ‎conditions ‎hold, ‎applying ‎this ‎techniqu‎e ‎gives ‎two ‎sequences of ‎coupled ‎linear ‎equations‎ and ‎the ‎solutions ‎of ‎th‎ese ‎linear ‎equations ‎are quadratically ‎convergent ‎to ‎the ‎solution ‎o...

Journal: :journal of mahani mathematical research center 0
azita tajaddini department of mathematics shahid bahonar university of kerman, kerman, iran. m. zerafat angiz l. school of mathematical sciences universiti sians malaysi, penang, malaysia

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2011
Sei Nagayasu Gunther Uhlmann Jenn-Nan Wang

In this work we study the inverse boundary value problem of determining the refractive index in the acoustic equation. It is known that this inverse problem is ill-posed. Nonetheless, here we show that the ill-posedness decreases when we increase the wave number.

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