Results 1 to 10 of about 706,543 (248)
Optimal Topology Transition [PDF]
arXiv, 2022 Network topology has significant impacts on operational performance of power systems. While extensive research efforts have been devoted to optimization of network topology for improving various system performances, the problem of how to transition from the initial topology to the desired optimal topology requires study.
Tong Han, David J. Hill, Yue Song
arxiv +3 more sources
Topological Insulators by Topology Optimization [PDF]
Physical Review Letters, 2019 An acoustic topological insulator (TI) is synthesized using topology optimization, a free material inverse design method. The TI appears spontaneously from the optimization process without imposing requirements on the existence of pseudo spin-1/2 states ...
Christiansen, Rasmus E. +2 more
core +7 more sources
Topological optimization processes [PDF]
Global Journal of Engineering and Technology Advances, 2022 The method of topological optimization is based on a mathematical algorithm, which is based on the distribution and intensity of detail stress on the investigated component. It was developed using the Rhino-Grasshopper theory. This is a complicated FEM analysis with the help of the Nastran solver in the Siemens NX software environment.
Michal Holdy, Juraj Beniak
openaire +2 more sources
Topology optimization of an acoustic diode? [PDF]
Structural and Multidisciplinary Optimization, 2021 AbstractBy using topology optimization, we consider the problem of designing a passive acoustic device that allows for one-way flow of sound waves; such a device is often colloquially referred to as an acoustic diode. The Helmholtz equation is used to model the time harmonic linear wave propagation together with a Dirichlet-to-Neumann (DtN) type ...
Ahmad H. Bokhari +3 more
openaire +4 more sources
Shape and topology optimization [PDF]
, 2021 This chapter is an introduction to shape and topology optimization, with a particular emphasis on the method of Hadamard for appraising the sensitivity of quantities of interest with respect to the domain, and on the level set method for the numerical representation of shapes and their evolutions.
Allaire, Grégoire +2 more
openaire +5 more sources
Bifurcated Topological Optimization for IVIM [PDF]
Frontiers in Neuroscience, 2021 In this work, we shed light on the issue of estimating Intravoxel Incoherent Motion (IVIM) for diffusion and perfusion estimation by characterizing the objective function using simplicial homology tools. We provide a robust solution via topological optimization of this model so that the estimates are more reliable and accurate.
Shreyas Fadnavis +9 more
openaire +4 more sources
Ecodesign with topology optimization
Procedia CIRP, 2022 In order to mitigate the impact of the transportation sector on climate change, light and ecological parts must be designed. A lifecycle oriented design methodology with C02 footprint minimization of parts used in various transports is presented in this work.
Duriez, Edouard +3 more
openaire +6 more sources
A review on the topology optimization of the fiber-reinforced composite structures
Авіаційно-космічна техніка та технологія, 2021 According to the requirements of the aerospace industry for high strength, high stiffness, and lightweight structural parts, topology optimization has been proved to be an effective product design method.
Zheng Hu
doaj +1 more source
Proportional Topology Optimization under Reliability-based Constraints [PDF]
Journal of Applied and Computational Mechanics, 2022 Topology optimization is a methodology widely used in the design phase that has gained space in engineering. On the other hand, uncertainty is present in material properties, loads, and boundary conditions in practically any design.
Rodrigo Amaral +2 more
doaj +1 more source
Multiobjective Topology Optimization of Spatial-Structure Joints
Advances in Civil Engineering, 2021 To realize the static and dynamic multiobjective topology optimization of joints in spatial structures, structural topology optimization is carried out to maximize the stiffness under static multiload conditions and maximize the first third-order dynamic
Nanhai Zhu, Jinlei Liu
doaj +1 more source