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Design topologies optimization in GPON networks based on population densities using k-means clustering algorithm
(IEEEMéxico, 2019)
Most studies for implementation of access networks are generally focused on countries where their areas have high population density, this optimization seeks to provide solutions in countries and cities with a similar ...
Design of bi-metallic devices based on the topological derivative concept
(Pergamon-Elsevier Science Ltd., 2015-01)
In this work the topological derivative concept is applied in the context of topology design of thermo-mechanical devices, where the linear elasticity system (modeled by the Navier equation) is coupled with the steady-state ...
Piezoresistive device optimization using topological derivative concepts
(Springer, 2014-10)
A piezoresistive sensor is composed of a piezoresistive membrane attached to a flexible plate. The piezoresistive material is anisotropic, and its electrical properties change when subjected to mechanical stresses. In this ...
Topological sensitivity analysis in heterogeneous anisotropic elasticity problem. Theoretical and computational aspects
(Elsevier Science Sa, 2016-11)
The topological sensitivity analysis for the heterogeneous and anisotropic elasticity problem in two-dimensions is performed in this work. The main result of the paper is an analytical closed-form of the topological ...
Topology design of thermomechanical actuators combined with heat source optimization
(Yokohama Publishers, 2019-11)
In the paper a problem of optimal topology and shape design of thermo-mechanical actuators with the heat source support is considered. The objective is to maximize the output displacement in a prescribed direction on the ...
Dynamic Design of Piezoelectric Laminated Sensors and Actuators using Topology Optimization
(SAGE PUBLICATIONS LTD, 2010)
Sensors and actuators based on piezoelectric plates have shown increasing demand in the field of smart structures, including the development of actuators for cooling and fluid-pumping applications and transducers for novel ...
Integral Piezoactuator System with Optimum Placement of Functionally Graded Material - A Topology Optimization Paradigm
(SAGE PUBLICATIONS LTD, 2010)
Piezoactuators consist of compliant mechanisms actuated by two or more piezoceramic devices. During the assembling process, such flexible structures are usually bonded to the piezoceramics. The thin bonding layer(s) between ...
Piezoresistive sensor design using topology optimization
(SPRINGER, 2008)
Piezoresistive materials, materials whose resistivity properties change when subjected to mechanical stresses, are widely utilized in many industries as sensors, including pressure sensors, accelerometers, inclinometers, ...
A robust topological derivative-based multi-material optimization approach: Optimality condition and computational algorithm
(Elsevier Science SA, 2020-07-01)
Topology optimization is a technique in the engineering area that allows obtaining optimal designs of devices, mechanisms, complex structures and even design the microstructure of an auxetic material. Classically, the focus ...
Material design of elastic structures using Voronoi cells
(John Wiley & Sons Ltd, 2018-07)
New tools for the design of metamaterials with periodic microarchitectures are presented. Initially, a two-scale material design approach is adopted. At the structure scale, the material effective properties and their ...