Topology Optimization of Brittle Composites for Optimizing Fracture Resistance Incorporating Phase Field Method with Strain Orthogonal Decompositions

BT Vu, TA Do, TT Tran, H Le-Quang, QC He - Mechanics of Composite …, 2024 - Springer
regularization parameter ℓ α were analyzed in order to evaluate its effects on the results of
the behavior curves and the crack paths in composites … to solve the optimization problem, and …

Nonlinear optimization for mixed attenuation polyenergetic image reconstruction

Y Hu, JG Nagy, J Zhang, MS Andersen - Inverse Problems, 2019 - iopscience.iop.org
… stable for solving nonlinear optimization problems, and with the … as $\boldsymbol{Q} = \left\{\boldsymbol{x}
\ |\ \boldsymbol{A}_… However, direct implementation of Newton's method is not …

On the robustness of inverse scattering for penetrable, homogeneous objects with complicated boundary

C Borges, M Rachh, L Greengard - Inverse Problems, 2023 - iopscience.iop.org
… To recover the shape of the boundary of Γ, we now consider the optimization problem (4).
To … relies on the Gauss-Newton method as a nonlinear iteration. Given a guess $q^{(j-1)}$ …

Majorize–minimize linesearch for inversion methods involving barrier function optimization

E Chouzenoux, S Moussaoui, J Idier - Inverse Problems, 2012 - iopscience.iop.org
… from the statistics of the noise ${\boldsymbol \epsilon }$ … solve inequality-constrained
optimization problems, a barrier function … In this paper, we focus on the cases when the composite

Reachability analysis and deterministic global optimization of DAE models

JK Scott, PI Barton - Surveys in Differential-Algebraic Equations III, 2015 - Springer
… \rightarrow D_{s}\), composite relaxations of h provide a means to … the factorable representation
of \(\boldsymbol{\ell}\), and hence … Newton method called the interval Hansen-Sengupta …

CUQIpy: I. Computational uncertainty quantification for inverse problems in Python

NAB Riis, AMA Alghamdi, F Uribe… - … Problems, 2024 - iopscience.iop.org
… In some applications we prefer a prior that allows less regularity… matrix Q for the prior;
typically, C is the Cholesky factor of Q . … form $\boldsymbol{y} = \boldsymbol{A}(\boldsymbol{x})$ …

Physically Invertible System Identification for Monitoring System Edges with Unobservability

J Yuan, Y Weng - Joint European Conference on Machine Learning and …, 2022 - Springer
… inverse mapping \(\boldsymbol{x}=g\left( \boldsymbol{y}\right… To reach the first goal, we
form an optimization problem to … To enable complete coupling of all dimensions, we composite

A fast divide-and-conquer sparse Cox regression

Y Wang, C Hong, N Palmer, Q Di, J Schwartz… - …, 2021 - academic.oup.com
… K$| subsets, solves the optimization problem using each subset, … Medicare patients by
fitting regularized Cox models with (i) |$p=… efficient procedure to estimate |$\boldsymbol{\beta}_0$| …

Simultaneous variable selection and estimation in generalized semiparametric mixed effects modeling of longitudinal data

M Taavoni, M Arashi - … Statistics and Biostatistics: Contemporary Essays in …, 2020 - Springer
algorithm, which does not require the specification of the posterior distribution. Moreover,
we discuss how to select the regularization … , \(\boldsymbol {Z}^\top _{ij}\) is a q × 1 vector of …

Multi-objective and multi-load topology optimization and experimental validation of homogenized coupled fluid flow and heat transfer and structural stiffness

P Francisco, L Faria, R Simões - … and Multidisciplinary Optimization, 2020 - Springer
… macroscopic properties of a composite material from the … that no regularization of the
optimization problem is needed … {\chi}}_{\boldsymbol{T}}} \) enters the flow adjoint problem as …