Search Results - Numerical methods for mathematical programming, optimization and variational techniques
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Review of distributed generation (DG) system planning and optimisation techniques: Comparison of numerical and mathematical modelling methods
ISSN: 1364-0321, 1879-0690Published: Elsevier Ltd 01.01.2017Published in Renewable & sustainable energy reviews (01.01.2017)“…An overview of numerical and mathematical modelling-based distributed generation (DG…”
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Parametric structural shape & topology optimization with a variational distance-regularized level set method
ISSN: 0045-7825, 1879-2138Published: Amsterdam Elsevier B.V 01.07.2017Published in Computer methods in applied mechanics and engineering (01.07.2017)“… The SDF property is highly preferred in classical level set methods to maintain the numerical stability during the topology optimization process and provide a metric for the distance-based…”
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Differential variational inequalities
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer-Verlag 01.06.2008Published in Mathematical programming (01.06.2008)“…This paper introduces and studies the class of differential variational inequalities (DVIs…”
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A study on the convergence of variational iteration method
ISSN: 0895-7177, 1872-9479Published: Kidlington Elsevier Ltd 01.05.2010Published in Mathematical and computer modelling (01.05.2010)“…Variational iteration method has been widely used to handle linear and nonlinear models…”
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Nonconvex nonsmooth optimization via convex–nonconvex majorization–minimization
ISSN: 0029-599X, 0945-3245Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.06.2017Published in Numerische Mathematik (01.06.2017)“… We present a majorization–minimization approach based on a novel convex–nonconvex upper bounding strategy for the solution of a certain class of nonconvex nonsmooth optimization problems…”
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Solutions of singular IVPs of Lane–Emden type by the variational iteration method
ISSN: 0362-546X, 1873-5215Published: Amsterdam Elsevier Ltd 15.03.2009Published in Nonlinear analysis (15.03.2009)“…In this paper, approximate-exact solutions of a class of Lane–Emden type singular IVPs problems, by the variational iteration method, are presented…”
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Variational methods to Sturm–Liouville boundary value problem for impulsive differential equations
ISSN: 0362-546X, 1873-5215Published: Amsterdam Elsevier Ltd 2010Published in Nonlinear analysis (2010)“…–Liouville impulsive problem. By applying a new approach via critical point theory and variational methods, the existence results of positive solutions are obtained…”
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Shape-topology optimization for Navier–Stokes problem using variational level set method
ISSN: 0377-0427, 1879-1778Published: Kidlington Elsevier B.V 15.12.2008Published in Journal of computational and applied mathematics (15.12.2008)“…We consider the shape-topology optimization of the Navier–Stokes problem. A new algorithm is proposed based on the variational level set method…”
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Stabilized sequential quadratic programming for optimization and a stabilized Newton-type method for variational problems
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer-Verlag 01.09.2010Published in Mathematical programming (01.09.2010)“…The stabilized version of the sequential quadratic programming algorithm (sSQP) had been developed in order to achieve fast convergence despite possible…”
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An optimal variational iteration method
ISSN: 0893-9659, 1873-5452Published: Kidlington Elsevier Ltd 01.05.2011Published in Applied mathematics letters (01.05.2011)“…The variational iteration method is studied in the present work. The classical variational iteration method is improved and extended by introducing a new concept of a convergence accelerating parameter…”
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On smoothing, regularization, and averaging in stochastic approximation methods for stochastic variational inequality problems
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.09.2017Published in Mathematical programming (01.09.2017)“…Traditionally, most stochastic approximation (SA) schemes for stochastic variational inequality (SVI…”
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Smoothing methods for nonsmooth, nonconvex minimization
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer-Verlag 01.08.2012Published in Mathematical programming (01.08.2012)“… In this paper, we focus on smoothing methods for solving such optimization problems, which use the structure of the minimization problems and composition of smoothing functions for the plus function ( x…”
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Journal Article Conference Proceeding -
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A variational iteration method for solving Troesch’s problem
ISSN: 0377-0427, 1879-1778Published: Kidlington Elsevier B.V 15.09.2010Published in Journal of computational and applied mathematics (15.09.2010)“…Troesch’s problem is an inherently unstable two-point boundary value problem. A new and efficient algorithm based on the variational iteration method and variable transformation is proposed to solve Troesch’s problem…”
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Solving variational inequalities with monotone operators on domains given by Linear Minimization Oracles
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.03.2016Published in Mathematical programming (01.03.2016)“…The standard algorithms for solving large-scale convex–concave saddle point problems, or, more generally, variational inequalities with monotone operators…”
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Phase-field modeling and simulation of fracture in brittle materials with strongly anisotropic surface energy
ISSN: 0029-5981, 1097-0207Published: Bognor Regis Blackwell Publishing Ltd 20.04.2015Published in International journal for numerical methods in engineering (20.04.2015)“… Here, we propose a variational phase‐field model for strongly anisotropic fracture, which resorts to the extended Cahn…”
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Journal Article Publication -
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Projected subgradient techniques and viscosity methods for optimization with variational inequality constraints
ISSN: 0377-2217, 1872-6860Published: Amsterdam Elsevier B.V 16.09.2010Published in European journal of operational research (16.09.2010)“… The proposed method combines two strategies: projected subgradient techniques and viscosity-type approximations…”
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Critical multipliers in variational systems via second-order generalized differentiation
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.06.2018Published in Mathematical programming (01.06.2018)“…In this paper we introduce the notions of critical and noncritical multipliers for variational systems and extend to a general framework the corresponding…”
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Relaxed Two-Step Inertial Tseng’s Extragradient Method for Nonmonotone Variational Inequalities
ISSN: 0022-3239, 1573-2878Published: New York Springer US 01.04.2025Published in Journal of optimization theory and applications (01.04.2025)“…This work introduces a novel inertial projection method for solving the variational inequality (VI…”
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On a sub–supersolution method for variational inequalities with Leray–Lions operators in variable exponent spaces
ISSN: 0362-546X, 1873-5215Published: Amsterdam Elsevier Ltd 01.10.2009Published in Nonlinear analysis (01.10.2009)“…In this paper, we consider a sub–supersolution method for variational inequalities with Leray…”
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Relative Pareto minimizers for multiobjective problems: existence and optimality conditions
ISSN: 0025-5610, 1436-4646Published: Berlin/Heidelberg Springer-Verlag 01.04.2010Published in Mathematical programming (01.04.2010)“… Using advanced tools of variational analysis and generalized differentiation, we establish the existence of relative Pareto minimizers for general multiobjective problems under a refined version…”
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