Results 1 to 10 of about 2,419,433 (298)

Topology optimization of broadband acoustic transition section: a comparison between deterministic and stochastic approaches [PDF]

Structural and Multidisciplinary Optimization, 2023
AbstractThis paper focuses on the topology optimization of a broadband acoustic transition section that connects two cylindrical waveguides with different radii. The primary objective is to design a transition section that maximizes the transmission of a planar acoustic wave while ensuring that the transmitted wave exhibits a planar shape.
Lukas Pflug, Eddie Wadbro, Andrian Uihlein   +2 more
exaly   +9 more sources

Stochastic sampling for deterministic structural topology optimization with many load cases: Density-based and ground structure approaches [PDF]

Computer Methods in Applied Mechanics and Engineering, 2017
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Gláucio Paulino, Eric de Sturler, Xiaojia Shelly Zhang   +2 more
exaly   +4 more sources

Towards the saving potentials using a hybrid topology optimization: Application of a coupled deterministic and empirical approach solving a geotechnical optimization problem

International Journal for Numerical Methods in Engineering, 2023
AbstractThis article presents the application of the TOSS (topology optimization for stiffness and strength) algorithm, a hybrid optimization strategy for topology optimization, used for the design of a strip foundation as a basic geotechnical structure.
Elnaz Hadjiloo, Stefanie Knutz, Jürgen Grabe   +2 more
openaire   +2 more sources

DEEP DETERMINISTIC POLICY GRADIENT AND GRAPH CONVOLUTIONAL NETWORKS FOR TOPOLOGY OPTIMIZATION OF BRACED STEEL FRAMES

Journal of Structural Engineering B, 2023
We propose a method for topology optimization of braced frames under static seismic loads using Deep Deterministic Policy Gradient (DDPG) and Graph Convolutional Network (GCN). The structure is interpreted as a graph where structural elements and element configurations are represented by the node feature matrix and adjacency matrices, respectively ...
KUPWIWAT, Chi-tathon, IWAGOE, Yuichi, HAYASHI, Kazuki, OHSAKI, Makoto   +3 more
openaire   +2 more sources

Reliability-Based Topology Optimization of Thermo-Elastic Structures with Stress Constraint

Mathematics, 2022
Traditional topology optimization of thermo-elastic structures is based on deterministic conditions, without considering the influence of uncertainty factors.
Liang Zhang, Qinghai Zhao, Jianliang Chen   +2 more
doaj   +2 more sources

Reliability-Based Topology Optimization: An Extension of the SESO and SERA Methods for Three-Dimensional Structures

Applied Sciences, 2022
This study takes an approach to reliability-based topology optimization (RBTO) for 3D structures by applying an expansion of smoothing evolutionary structural optimization (SESO) and sequential element rejection and admission (SERA) for three-dimensional
Hélio Luiz Simonetti, Valério Silva Almeida, Francisco de Assis das Neves, Vírgil Del Duca Almeida, Luttgardes de Oliveira Neto   +4 more
doaj   +2 more sources

Reliability-Based Topology Optimization Considering Overhang Constraints for Additive Manufacturing Design

Applied Sciences
This study examines the combination of overhang constraints and Reliability-Based Topology Optimization (RBTO) in additive manufacturing (AM). AM offers intricate component production but faces challenges due to support structures. Incorporating overhang
Fahri Murat, Irfan Kaymaz, Abdullah Tahir Şensoy   +2 more
doaj   +2 more sources

Reliability-based topology optimization using inverse optimum safety factor approaches

Alexandria Engineering Journal, 2020
The Deterministic Topology Optimization (DTO) model generates a single solution for a given design space, while the Reliability-Based Topology Optimization (RBTO) model provides several reliability-based topology layouts with high performance levels. The
G. Kharmanda, S. Gowid, A. Shokry
doaj   +3 more sources

Geometry and Topology Optimization of Switched Reluctance Machines: A Review

IEEE Access, 2022
Switched reluctance machines (SRMs) have recently attracted more interest in many applications due to the volatile prices of rare-earth permanent magnets (PMs) used in permanent magnet synchronous machines (PMSMs).
Mohamed Abdalmagid, Ehab Sayed, Mohamed H. Bakr, Ali Emadi   +3 more
doaj   +3 more sources

Linear versus nonlinear reliability-based topology optimization with application to bridge structures [PDF]

E3S Web of Conferences, 2021
In general, two types of topology optimization models can be found in literature. The first type is called Deterministic Topology Optimization (DTO) leading to a single layout when considering a given design space.
Kharmanda Ghais, Mulki Hasan, Imad Antypas   +2 more
doaj   +1 more source