Results 11 to 20 of about 140,931 (302)

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

Non-parametric data-driven approach to reliability-based topology optimization of trusses under uncertainty of material constitutive law

Journal of Advanced Mechanical Design, Systems, and Manufacturing
The material behavior intrinsically possesses the aleatory uncertainty (i.e., the natural variability). Against uncertainty in a given data set of elastic material responses, this paper presents a data-driven approach to reliability-based truss topology ...
Yoshihiro KANNO
doaj   +2 more sources

Integration of reliability-based topology optimization into biomechanics: Application on hollow stems used in cementless total hip arthroplasty [PDF]

E3S Web of Conferences, 2020
The integration of topology optimization into biomechanical applications possesses an important key to increase the performance levels. In literature, two models can be found: Deterministic Topology Optimization (DTO) and Reliability-Based Topology ...
Kharmanda Ghais, Antypas Imad, Dyachenko Alexey   +2 more
doaj   +1 more source

Reliability based topology optimization of thermoelastic structures using bi-directional evolutionary structural optimization method

International Journal of Mechanics and Materials in Design, 2023
The aim of this paper is to propose a novel computational technique of applying reliability-based design to thermoelastic structural topology optimization.
M. Habashneh, M. M. Rad
semanticscholar   +1 more source

Reliability-based topology optimization of bridge structures using first and second order reliability methods [PDF]

Journal of Structural and Construction Engineering, 2017
Reliability-based topology optimization (RBTO) results in an optimal topology satisfying given constraints with consideration of uncertainties in the variables.
Meysam Johari, Behrouz Ahmadi Nedushan
doaj   +1 more source

A novel dynamic reliability-based topology optimization (DRBTO) framework for continuum structures via interval-process collocation and the first-passage theories

Computer Methods in Applied Mechanics and Engineering, 2021
In view of the general inertia and damping features as well as the inevitable uncertainty factors in engineering structures, a novel dynamic reliability-based topology optimization (DRBTO) strategy is investigated for time-variant mechanical systems with
Lei Wang, Yaru Liu, Dongliang Liu, Zhangming Wu   +3 more
semanticscholar   +1 more source

The Effect of Reliability Index Values on Resulting Reliability-Based Topology Optimization Configurations: Numerical Validation by Shape Optimization

Инженерные технологии и системы, 2019
Introduction. The classical topology optimization leads to structural type and general layout prediction and gives a rough description of the shape of both the external and internal structure boundaries.
Ghias Kharmanda, Imad R. Antypas, Alexey G. Dyachenko   +2 more
doaj   +1 more source

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   +1 more source