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Design of multiple materials structure based on an explicit and implicit hybrid topology optimization method [PDF]

open access: yesScientific Reports
In this paper, an explicit and implicit hybrid topology optimization method is proposed for the design of multiple materials structure. The explicit topology optimization employs the moving morphable component (MMC) method to determine where the solid ...
Zhao Li   +4 more
doaj   +2 more sources

TOP2DFVT: An Efficient Matlab Implementation for Topology Optimization based on the Finite-Volume Theory [version 2; peer review: 1 approved, 2 approved with reservations] [PDF]

open access: yesF1000Research
The finite-volume theory has shown to be numerically efficient and stable for topology optimization of continuum elastic structures. The significant features of this numerical technique are the local satisfaction of equilibrium equations and the ...
Marcio Cavalcante   +4 more
doaj   +2 more sources

A review on the topology optimization of the fiber-reinforced composite structures

open access: yesАвіаційно-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

Multiobjective Topology Optimization of Spatial-Structure Joints

open access: yesAdvances 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

Proportional Topology Optimization under ‎Reliability-based Constraints [PDF]

open access: yesJournal 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

Reliability Topology Optimization of Collaborative Design for Complex Products Under Uncertainties Based on the TLBO Algorithm

open access: yesEngineering, 2023
The topology optimization design of complex products can significantly improve material and power savings, and reduce inertial forces and mechanical vibrations effectively.
Zhaoxi Hong   +4 more
doaj   +1 more source

Topology and Parametric Optimization-Based Design Processes for Lightweight Structures

open access: yesApplied Sciences, 2020
Topology and Parametric Optimization are two of the most implemented material optimization approaches. However, it is not clear in the literature which optimization procedure, or possible combination of them, can lead to the best results based on ...
Evangelos Tyflopoulos, Martin Steinert
doaj   +1 more source

Topological Insulators by Topology Optimization [PDF]

open access: yes, 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   +2 more sources

Multi-population genetic algorithms with immigrants scheme for dynamic shortest path routing problems in mobile ad hoc networks [PDF]

open access: yes, 2010
Copyright @ Springer-Verlag Berlin Heidelberg 2010.The static shortest path (SP) problem has been well addressed using intelligent optimization techniques, e.g., artificial neural networks, genetic algorithms (GAs), particle swarm optimization, etc ...
A.W. Mohemmed   +9 more
core   +4 more sources

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