Qixiang Qing
Hunan University
Parametric statisticsPolynomial regressionSeries (mathematics)Mathematical optimizationTopologyEngineeringLattice constantFinite element methodLattice (order)Pareto principleSoundproofingSound transmission classNoise reductionTrussInterval (mathematics)Optimal designTopology optimizationMaterials scienceMonte Carlo methodImpactCrashworthinessEnergy absorptionDesign frameworkMathematicsEngineering design processComputer scienceReliability (statistics)Structural engineeringMulti-objective optimizationMechanical engineeringIntegratorKrigingParticle swarm optimizationPolynomialProbabilistic-based design optimizationContinuum (topology)
18Publications
11H-index
523Citations
Publications 18
Newest
#1Hanfeng Yin (Hunan University)H-Index: 17
#2Guilin Wen (Hunan University)H-Index: 22
Last. Qixiang Qing (Hunan University)H-Index: 11
view all 5 authors...
Multi-cell polygonal tubes are highly efficient energy absorbers and widely used in vehicle engineering. There is no doubt that the structure designers have strong interest to know which kind of multi-cell polygonal tube has the best crashworthiness. However, the comparative study on the crashworthiness of multi-cell polygonal tubes with different edges was quite few. In this paper, the multi-cell polygonal single and bitubular tubes were investigated using the numerical simulation and theoretic...
11 CitationsSource
#1Jie Liu (GU: Guangzhou University)H-Index: 12
#2Tingting Chen (Hunan University)H-Index: 1
Last. Yi Min Xie (RMIT: RMIT University)H-Index: 66
view all 8 authors...
Abstract Pyramidal lattice sandwich structure (PLSS) exhibits high stiffness and strength-to-weight ratio which can be effectively utilized for designing light-weight load bearing structures for ranging from ground to aerospace vehicles. While these structures provide superior strength to weigh ratio, their sound insulation capacity has not been well understood. The aim of this study is to develop numerical and experimental methods to fundamentally investigate the sound insulation property of th...
35 CitationsSource
#1Xingfa Yang (Hunan University)
#2Jie Liu (GU: Guangzhou University)H-Index: 12
Last. Guilin Wen (Hunan University)H-Index: 22
view all 5 authors...
Optimal geometries extracted from traditional element-based topology optimization outcomes usually have zigzag boundaries, leading to being difficult to fabricate. In this study, a fairly accurate and efficient topology description function method (TDFM) for topology optimization of linear elastic structures is developed. By employing the modified sigmoid function, a simple yet efficient strategy is presented to tackle the computational difficulties because of the nonsmoothness of Heaviside func...
Source
#1Jie LiuH-Index: 12
#2Tingting ChenH-Index: 1
Last. Yi Min XieH-Index: 66
view all 6 authors...
Pyramidal lattice sandwich structure (PLSS) exhibits high stiffness and strength-to-weight ratio which can be effectively utilized for designing light-weight load bearing structures for ranging from ground to aerospace vehicles. While these structures provide superior strength to weigh ratio, their sound insulation capacity has not been well understood. The aim of this study is to develop numerical and experimental methods to fundamentally investigate the sound insulation property of the pyramid...
#1Xingfa Yang (Hunan University)
#2Jie Liu (Hunan University)H-Index: 12
Last. Guilin Wen (Hunan University)H-Index: 11
view all 5 authors...
Nondeterministic parameters of certain distribution are employed to model structural uncertainties, which are usually assumed as stochastic factors. However, model parameters may not be precisely represented due to some factors in engineering practices, such as lack of sufficient data, data with fuzziness, and unknown-but-bounded conditions. To this end, interval and fuzzy parameters are implemented and an efficient approach to structural reliability analysis with random-interval-fuzzy hybrid pa...
Source
#1Jie Liu (RMIT: RMIT University)H-Index: 12
#2Guilin Wen (GU: Guangzhou University)H-Index: 22
Last. Yi Min Xie (RMIT: RMIT University)H-Index: 66
view all 5 authors...
Purpose This paper aims to tackle the challenge topic of continuum structural layout in the presence of random loads and to develop an efficient robust method. Design/methodology/approach An innovative robust topology optimization approach for continuum structures with random applied loads is reported. Simultaneous minimization of the expectation and the variance of the structural compliance is performed. Uncertain load vectors are dealt with by using additional uncertain pseudo random load vect...
12 CitationsSource
#1Jie Liu (GU: Guangzhou University)H-Index: 12
#2Xiaonan Fan (Hunan University)H-Index: 2
Last. Gang Zhao (Hunan University)H-Index: 3
view all 6 authors...
Abstract: Structure/material requires simultaneous consideration of both its design and manufacturing processes to dramatically enhance its manufacturability, assembly and maintainability. In this work, a novel design framework for structural/material with a desired mechanical performance and compelling topological design properties achieved using origami techniques is presented. The framework comprises four procedures, including topological design, unfold, reduction manufacturing, and fold. The...
8 CitationsSource
#1Jie LiuH-Index: 12
#2Xiaonan FanH-Index: 2
Last. Gang ZhaoH-Index: 3
view all 6 authors...
Source
#1Jie Liu (Hunan University)H-Index: 12
#2Guilin Wen (Hunan University)H-Index: 22
Last. Yi Min Xie (RMIT: RMIT University)H-Index: 66
view all 4 authors...
This paper presents a simple yet efficient method for the topology optimization of continuum structures considering interval uncertainties in loading directions. Interval mathematics is employed to equivalently transform the uncertain topology optimization problem into a deterministic one with multiple load cases. An efficient soft-kill bi-directional evolutionary structural optimization (BESO) method is proposed to solve the problem, which only requires two finite element analyses per iteration...
16 CitationsSource
#1Jie Liu (Hunan University)H-Index: 12
#2Guilin Wen (Hunan University)H-Index: 22
Last. Qixiang Qing (Hunan University)H-Index: 11
view all 4 authors...
The structural configuration obtained by deterministic topology optimization may represent a low reliability level and lead to a high failure rate. Therefore, it is necessary to take reliability into account for topology optimization. By integrating reliability analysis into topology optimization problems, a simple reliability-based topology optimization (RBTO) methodology for continuum structures is investigated in this article. The two-layer nesting involved in RBTO, which is time consuming, i...
20 CitationsSource