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Article
Topology optimization of multi-phase shell-infill composite structure for additive manufacturing
This paper presents a topology optimization method for a multi-phase shell-infill composite, accounting for the coated shell and graded multi-phase microstructural infill. The method builds upon extended multi...
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Chapter and Conference Paper
Cryptanalysis of the SNOVA Signature Scheme
SNOVA is a variant of a UOV-type signature scheme over a noncommutative ring. In this article, we demonstrate that certain parameters provided by authors in SNOVA fail to meet the NIST security level, and the ...
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Article
p-Adic GKZ hypergeometric complex
To a torus action on a complex vector space, Gelfand, Kapranov and Zelevinsky introduce a system of differential equations, which are now called the GKZ hypergeometric system. Its solutions are GKZ hypergeomet...
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Article
A two-dimensional tetragonal structure of vanadium telluride
The family of vanadium chalcogenides with variable stoichiometry and abundant crystallographic structures are promising platforms for realizing exotic emergent phenomena. Here, we report on a novel two-dimensi...
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Article
Improved gray wolf optimizer for distributed flexible job shop scheduling problem
The distributed flexible job shop scheduling problem (DFJSP), which is an extension of the flexible job shop scheduling problem, is a famous NP-complete combinatorial optimization problem. This problem is wide...
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Article
An effective multi-objective whale swarm algorithm for energy-efficient scheduling of distributed welding flow shop
Distributed welding flow shop scheduling problem is an extension of distributed permutation flow shop scheduling problem, which possesses a set of identical factories of welding flow shop. On account of severa...
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Article
Modeling and Balancing for Green Disassembly Line Using Associated Parts Precedence Graph and Multi-objective Genetic Simulated Annealing
Waste electrical and electronic equipment (WEEE) not only occupies resources but also pollutes the environment. Disassembly and recycling of WEEE is an important part of sustainable manufacturing. However, the...
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Article
Iterative reliable design space approach for efficient reliability-based design optimization
Reliability-based design optimization has gained much attention in many engineering design problems with the consideration of uncertainties. Nevertheless, the application is limited by the huge computational c...
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Article
A two-stage support vector regression assisted sequential sampling approach for global metamodeling
Support vector regression (SVR), as a promising surrogate model, has been widely used to approximate expensive simulations in engineering design problem. To build a SVR model accurately and efficiently, a two-...
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Article
An adaptive hybrid single-loop method for reliability-based design optimization using iterative control strategy
Single-loop approach (SLA) is one of the most promising methods for solving linear and weakly nonlinear reliability-based design optimization (RBDO) problems. However, since SLA locates the current approximate...
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Chapter and Conference Paper
A Novel Data-Driven Fault Diagnosis Method Based on Deep Learning
Mechanical fault diagnosis is an essential means to reduce maintenance cost and ensure safety in production. Aiming to improve diagnosis accuracy, this paper proposes a novel data-driven diagnosis method based...
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Article
A new computer-aided tolerance analysis and optimization framework for assembling processes using DP-SDT theory
Tolerance analysis is frequently used in predicting the product quality and balancing the design tolerances in mechanical assemblies. Generally, the tolerance analysis procedure is rather complex and cumbersom...
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Article
Erratum to: An optimization method for defects reduction in fiber laser keyhole welding
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Article
An optimization method for defects reduction in fiber laser keyhole welding
Laser welding has been widely used in automotive, power, chemical, nuclear and aerospace industries. The quality of welded joints is closely related to the existing defects which are primarily determined by th...
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Article
Erratum to: Process modeling and parameter optimization using radial basis function neural network and genetic algorithm for laser welding of dissimilar materials
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Article
Process modeling and parameter optimization using radial basis function neural network and genetic algorithm for laser welding of dissimilar materials
The welded joints of dissimilar materials have been widely used in automotive, ship and space industries. The joint quality is often evaluated by weld seam geometry, microstructures and mechanical properties....
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Article
An important boundary sampling method for reliability-based design optimization using kriging model
Reliability-based design optimization (RBDO) combined with metamodel is a powerful tool to deal with variation of system output induced by uncertainties during practical engineering design. In this paper, the ...
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Chapter and Conference Paper
A Level Set Based Method for the Optimization of 3D Structures with the Extrusion Constraint
An extrudable structure is formed via the extrusion process in which materials are squeezed through a die with pre-specified shape. Then, we obtain the long and straight metal parts with the fixed cross sectio...
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Article
Tolerance analysis of mechanical assemblies based on small displacement torsor and deviation propagation theories
Construction of the quality tolerances (Q-T) function is a key step in assembly tolerance analysis process. This paper presents a new feature-based tolerance analysis method for mechanical assemblies with GD&T...
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Article
A local adaptive sampling method for reliability-based design optimization using Kriging model
Reliability-based design optimization (RBDO) in practical applications is hindered by its huge computational cost during structure reliability evaluating process. Kriging-model-based RBDO is an effective metho...
