Search Results - "Leugering, G."
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1
Design of Auxetic Structures via Mathematical Optimization
Published in Advanced materials (Weinheim) (17-06-2011)“…The optimization and manufacturing of an auxetic structure is presented. An inverse homogenization method is used to obtain the optimized geometry shown in the…”
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2
The asymptotic analysis of a junction of two elastic beams
Published in Zeitschrift für angewandte Mathematik und Mechanik (01-01-2019)“…This paper is devoted to describing the asymptotic behavior of a structure consisting of thin elastic planar beams coupled at flexible joints. As the thickness…”
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3
On Timoshenko thin elastic inclusions inside elastic bodies
Published in Mathematics and mechanics of solids (01-05-2015)“…The paper concerns the analysis of equilibrium problems for 2D elastic bodies with thin inclusions modeled in the framework of Timoshenko beams. The first…”
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4
Towards optimization of crack resistance of composite materials by adjustment of fiber shapes
Published in Engineering fracture mechanics (01-04-2011)“…We investigate the evolution and propagation of cracks in 2-d elastic domains, which are subjected to quasi-static loading scenarios. In addition to the…”
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5
The Eshelby Theorem and its Variants for Piezoelectric Media
Published in Archive for rational mechanics and analysis (01-03-2015)“…We prove the Eshelby theorem for an ellipsoidal piezoelectric inclusion in an infinite piezoelectric material. Explicit formulas for the link and polarization…”
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6
Optimal Control of Inclusion and Crack Shapes in Elastic Bodies
Published in Journal of optimization theory and applications (01-10-2012)“…The paper is concerned with the control of the shape of rigid and elastic inclusions and crack paths in elastic bodies. We provide the corresponding problem…”
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7
Optimal control for traffic flow networks
Published in Journal of optimization theory and applications (01-09-2005)“…We consider traffic flow models for road networks where the flow is controlled at the nodes of the network. For the analytical and numerical optimization of…”
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8
Space-Time-Domain Decomposition for Optimal Control Problems Governed by Linear Hyperbolic Systems
Published in Journal of optimization, differential equations and their applications (Online) (13-12-2021)“…In this article, we combine a domain decomposition method in space and time for optimal control problems with PDE-constraints described in [2] to a…”
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9
MULTIDISCIPLINARY FREE MATERIAL OPTIMIZATION
Published in SIAM journal on applied mathematics (01-01-2010)“…We present a mathematical framework for the so-called multidisciplinary free material optimization (MDFMO) problems, a branch of structural optimization in…”
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10
Korn Inequality for a Thin Periodic Corrugated Beam
Published in Journal of mathematical sciences (New York, N.Y.) (09-10-2017)“…We obtain the asymptotically exact weighted Korn inequality for a thin (of thickness δh ) periodically corrugated (with step δ ) beam clamped at its ends. The…”
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11
Towards a lifecycle oriented design of infrastructure by mathematical optimization
Published in Optimization and engineering (15-03-2019)“…Today’s infrastructures are mainly designed heuristically using state-of-the-art simulation software and engineering approaches. However, due to complexity,…”
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12
THE ESHELBY THEOREM AND APPLICATION TO THE OPTIMIZATION OF AN ELASTIC PATCH
Published in SIAM journal on applied mathematics (01-01-2012)“…We present the analysis for finding optimal locations and rotations of anisotropic material inclusions in a matrix material by using the polarization matrix…”
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13
Simulation of fracture in heterogeneous elastic materials with cohesive zone models
Published in International journal of fracture (01-03-2011)“…In brittle composite materials, failure mechanisms like debonding of the matrix-fiber interface or fiber breakage can result in crack deflection and hence in…”
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14
On the efficient solution of a patch problem with multiple elliptic inclusions
Published in Optimization and engineering (01-03-2015)“…We present an asymptotic approach to find optimal rotations of orthotropic material inclusions inside an isotropic linear elastic matrix. We compute…”
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15
Topological derivatives for networks of elastic strings
Published in Zeitschrift für angewandte Mathematik und Mechanik (01-12-2011)“…We consider linear second order differential equations on metric graphs under given boundary and nodal conditions. We are interested in the problem of changing…”
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16
On an inverse problem for tree-like networks of elastic strings
Published in Zeitschrift für angewandte Mathematik und Mechanik (01-02-2010)“…We consider the in‐plane motion of elastic strings on tree‐like network, observed from the ‘leaves’. We investigate the inverse problem of recovering not only…”
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17
On Boundary Null Controllability of Strongly Degenerate Hyperbolic Systems on Star-Shaped Planar Network
Published in Journal of optimization, differential equations and their applications (Online) (10-10-2021)“…In this paper we discuss the problem of boundary exact null controllability for weakly and strongly degenerate linear wave equation defined on star-shaped…”
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18
On the semi-discretization of optimal control problems for networks of elastic strings: global optimality systems and domain decomposition
Published in Journal of computational and applied mathematics (01-08-2000)“…We consider a star-graph as an examplary network, with elastic strings stretched along the edges. The network is allowed to perform out-of-the plane…”
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19
Regularized nonlinear scalarization for vector optimization problems with PDE-constraints
Published in Mitteilungen der Gesellschaft für Angewandte Mathematik und Mechanik (01-11-2012)“…This paper concerns the generalization and regularization of a nonlinear scalarization method by Pascoletti and Serafini, [14], to partially ordered Banach…”
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20
Asymptotic analysis of 3-D thin piezoelectric rods
Published in Zeitschrift für angewandte Mathematik und Mechanik (01-06-2014)“…We derive an asymptotic one‐dimensional model of a thin piezoelectric rod by means of a dimension reduction procedure. The rod is made from a heterogeneous…”
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