Results 1 to 10 of about 202 (148)
Robust and Fast Normal Mollification via Consistent Neighborhood Reconstruction for Unorganized Point Clouds [PDF]
Sensors, 2023 This paper introduces a robust normal estimation method for point cloud data that can handle both smooth and sharp features. Our method is based on the inclusion of neighborhood recognition into the normal mollification process in the neighborhood of the
Guangshuai Liu +3 more
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Nonlinear Engineering, 2023 In this article, the inverse time problem is investigated. Regarding the ill-posed linear problem, utilize the quasi-reversibility method first. This problem has been regularized and after that provides an iterative regularizing strategy for noisy input ...
Rahimi Mostafa, Rostamy Davood
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A Mollification Regularization Method for the Inverse Source Problem for a Time Fractional Diffusion Equation [PDF]
Mathematics, 2019 We consider a time-fractional diffusion equation for an inverse problem to determine an unknown source term, whereby the input data is obtained at a certain time. In general, the inverse problems are ill-posed in the sense of Hadamard. Therefore, in this
Le Dinh Long +3 more
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Mathematics, 2023 This paper is focused on the inverse problem of identifying the space-dependent source function and initial value of the time fractional nonhomogeneous diffusion-wave equation from noisy final time measured data in a multi-dimensional case.
Xianli Lv, Xiufang Feng
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Proportional factors estimation in an IHCP [PDF]
Journal of Hyperstructures, 2014 In this paper, a numerical scheme is developed based on mollification method and space marching scheme for solving an inverse heat conduction problem. The proposed inverse problem contains the estimation of two unknown functions at the boundaries named ...
Morteza Garshasbi, Hatef Dastour
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Mathematics, 2023 This study examined a Cauchy problem for a multi-dimensional Laplace equation with mixed boundary. This problem is severely ill-posed in the sense of Hadamard.
Xianli Lv, Xiufang Feng
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Numerical solution of a time-fractional inverse source problem [PDF]
Journal of Hyperstructures, 2018 In this paper, an inverse problem of determining an unknown source term in a time-fractional diffusion equation is investigated. This inverse problem is severely ill-posed.
Afshin Babaei, Seddighe Banihashemi
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Recovery of coefficients of a heat equation by Ritz collocation method
Kuwait Journal of Science, 2023 In this work, we discuss a one dimensional inverse problem for the heat equation where the unknown functions are solely time-dependent lower order coefficient and multiplicative source term. We use as data two integral overdetermination conditions along
Prof.Kamal Rashedi
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A Mollification Regularization Method for a Fractional-Diffusion Inverse Heat Conduction Problem [PDF]
Mathematical Problems in Engineering, 2013 The ill-posed problem of attempting to recover the temperature functions from one measured transient data temperature at some interior point of a one-dimensional semi-infinite conductor when the governing linear diffusion equation is of fractional type is discussed.
Deng, Zhi-Liang +2 more
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A Numerical Approximation Method for the Inverse Problem of the Three-Dimensional Laplace Equation
Mathematics, 2019 In this article, an inverse problem with regards to the Laplace equation with non-homogeneous Neumann boundary conditions in a three-dimensional case is investigated.
Shangqin He, Xiufang Feng
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