The relevance of reliability-based topology optimization in early design stages of aircraft structures
Sign Up to like & getrecommendations! Published in 2017 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-017-1740-2
Abstract: This paper aims to compare the structural designs derived from Deterministic Topology Optimization (DTO) and Reliability-Based Topology Optimization (RBTO). The target is to prove that including uncertain data in preliminary stages of the design process… read more here.
Keywords: reliability based; topology; topology optimization; optimization ... See more keywords
A new efficient decoupled reliability-based design optimization method with quantiles
Sign Up to like & getrecommendations! Published in 2019 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-019-02384-7
Abstract: The problems of reliability-based design optimization (RBDO) can generally be solved by double-loop methods, single-loop methods or decoupled methods. The sequence optimization and reliability assessment (SORA) method is a widely used decoupled method due to… read more here.
Keywords: reliability based; method; design optimization; optimization ... See more keywords
UBC-constrained non-probabilistic reliability-based optimization of structures with uncertain-but-bounded parameters
Sign Up to like & getrecommendations! Published in 2020 at "Structural and Multidisciplinary Optimization"
DOI: 10.1007/s00158-020-02697-y
Abstract: A new UBC-constrained (ultimate-bearing-capacity-constrained) non-probabilistic reliability-based optimization method for structures with uncertain-but-bounded parameters is proposed. Different from the traditional stress-constrained optimization, the ultimate bearing capacity (UBC) is taken as the constraints in the non-probabilistic reliability-based… read more here.
Keywords: reliability based; based optimization; non probabilistic; optimization ... See more keywords
A new efficient hybrid approach for reliability-based design optimization problems
Sign Up to like & getrecommendations! Published in 2020 at "Engineering With Computers"
DOI: 10.1007/s00366-020-01187-5
Abstract: The reliability-based design optimization (RBDO) is performed for mechanical design to compromise effectively between economy and safety requirements. In real mechanical applications, such RBDO problems are a highly complex task by involving computational difficulties and… read more here.
Keywords: reliability based; optimization; based design; approach ... See more keywords
Reliability-based seismic evaluation of buried pipelines subjected to earthquake-induced transient ground motions
Sign Up to like & getrecommendations! Published in 2020 at "Bulletin of Earthquake Engineering"
DOI: 10.1007/s10518-020-00852-w
Abstract: In this research the effect of diameter to thickness of pipe ratio ( D / t ), depth of burial to diameter ( H / D ) ratio, conditions of surrounding soil and different grades… read more here.
Keywords: reliability based; ratio; performance objectives; performance ... See more keywords
Multi-objective reliability-based topology optimization of structures using a fuzzy set model
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-020-2207-8
Abstract: This research proposes a multi-objective reliability-based topology optimization (MORBTO) for structural design, which considers uncertain structural parameters based on a fuzzy set model. The new technique is established in the form of multi-objective optimization where… read more here.
Keywords: technique; reliability based; multi objective; topology ... See more keywords
Reliability-based dynamical design of a singular structure for high energy physics experiments
Sign Up to like & getrecommendations! Published in 2018 at "Archives of Civil and Mechanical Engineering"
DOI: 10.1016/j.acme.2017.07.003
Abstract: Abstract The present work presents a comprehensive design and dynamic calculation of singular metallic structures, part of the Neutrino Experiment NEXT. The experiment uses an electroluminescent TPC chamber, a high-pressure 136Xe gas vessel enclosing the… read more here.
Keywords: reliability based; dynamical design; physics; based dynamical ... See more keywords
Novel reliability-based optimization method for thermal structure with hybrid random, interval and fuzzy parameters
Sign Up to like & getrecommendations! Published in 2017 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2017.03.053
Abstract: Abstract In this paper, novel reliability-based optimization model and method are proposed for thermal structure design with random, interval and fuzzy uncertainties in material properties, external loads and boundary conditions. Random variables are used to… read more here.
Keywords: fuzzy; reliability based; based optimization; method ... See more keywords
Non-parametric stochastic subset optimization for reliability-based importance ranking of bridges in transportation networks
Sign Up to like & getrecommendations! Published in 2019 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2019.06.010
Abstract: Abstract Establishing reliability-based importance ranking of bridges in a transportation network usually entails significant computational efforts, especially for large-scale networks. This paper proposes a non-parametric stochastic subset optimization (NP-SSO) algorithm to efficiently identify the reliability-based… read more here.
Keywords: based importance; bridges transportation; importance ranking; importance ... See more keywords
A reliability-based optimization approach for material and thickness composition of multidirectional functionally graded plates
Sign Up to like & getrecommendations! Published in 2019 at "Composites Part B: Engineering"
DOI: 10.1016/j.compositesb.2019.01.089
Abstract: Abstract A reliability-based design optimization (RBDO) methodology is first proposed to simultaneously optimize material and thickness distribution of multidirectional functionally graded (MFG) plates for compliance minimization under uncertainties of design variables and system parameters. The… read more here.
Keywords: optimization; approach; thickness; reliability based ... See more keywords
A novel reliability-based two-level optimization method for composite laminated structures
Sign Up to like & getrecommendations! Published in 2018 at "Composite Structures"
DOI: 10.1016/j.compstruct.2018.03.016
Abstract: Abstract Due to the existence of large number of design variables for large-scale composite laminated structures, such as ply thicknesses and stacking sequence, etc., it has become one of most important concerns to build an… read more here.
Keywords: two level; level optimization; novel reliability; reliability based ... See more keywords