Multiobjective optimization for foam-filled multi-cell thin-walled structures under lateral impact

Yin, Hanfeng; Xiao, Youye; Wen, Guilin; Qing, Qixiang; Deng, Yufeng

doi:10.1016/j.tws.2015.03.031

Cited by 105 publications

(31 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Welding processes are evaluated using MCDM with fuzzy logic [29], while laser cutting technological parameters are defined using AHP-TOPSIS [30]. There are many methods for thin-walled structure evaluation using Complex Proportional Assessment (COPRAS) [31][32][33][34][35][36][37], which confirms the implementation of these methods in the field of engineering.…”

Section: Introductionmentioning

confidence: 76%

Analysis of Steel Wire Rope Diagnostic Data Applying Multi-Criteria Methods

et al. 2018

View full text Add to dashboard Cite

Steel ropes are complex flexible structures used in many technical applications, such as elevators, cable cars, and funicular cabs. Due to the specific design and critical safety requirements, diagnostics of ropes remains an important issue. Broken wire number in the steel ropes is limited by safety standards when they are used in the human lifting and carrying installations. There are some practical issues on loose wires-firstly, it shows end of lifetime of the entire rope, independently of wear, lubrication or wrong winding on the drums or through pulleys; and, secondly, it can stick in the tight pulley-support gaps and cause deterioration of rope structure up to birdcage formations. Normal rope operation should not generate broken wires, so increasing of their number shows a need for rope installation maintenance. This paper presents a methodology of steel rope diagnostics and the results of analysis using multi-criteria analysis methods. The experimental part of the research was performed using an original test bench to detect broken wires on the rope surface by its vibrations. Diagnostics was performed in the range of frequencies from 60 to 560 Hz with a pitch of 50 Hz. The obtained amplitudes of the broken rope wire vibrations, different from the entire rope surface vibration parameters, was the significant outcome. Later analysis of the obtained experimental results revealed the most significant values of the diagnostic parameters. The evaluation of the power of the diagnostics was implemented by using multi-criteria decision-making (MCDM) methods. Various decision-making methods are necessary due to unknown efficiencies with respect to the physical phenomena of the evaluated processes. The significance of the methods was evaluated using objective methods from the structure of the presented data. Some of these methods were proposed by authors of this paper. Implementation of MCDM in diagnostic data analysis and definition of the diagnostic parameters significance offers meaningful results.

show abstract

Section: Introductionmentioning

confidence: 76%

Analysis of Steel Wire Rope Diagnostic Data Applying Multi-Criteria Methods

et al. 2018

View full text Add to dashboard Cite

show abstract

“…It is usually very difficult to ascertain whether the answer obtained by the application of some specific multiple criteria analysis method is correct or incorrect. The COPRAS method has been applied sufficiently broadly in scientific research worldwide, and it has been compared to other methods many times [61][62][63][64][65], etc. These scientific studies have shown that the COPRAS method is reliable.…”

Section: Methodological Processesmentioning

confidence: 99%

An Evaluation System for University–Industry Partnership Sustainability: Enhancing Options for Entrepreneurial Universities

et al. 2018

View full text Add to dashboard Cite

Abstract:The concept of university-industry partnership sustainability (UIPS) stands for well-adjusted progress among key players from universities and industry by sustaining their welfare, both in the present and in the future. This paper sought to develop an evaluation system for UIPS. The need for such a system is justified at three levels: the micro level (i.e., research and innovation performance, transfer and absorptive capability, and technology development), the meso level (i.e., institutional arrangements, communication networks, and local and indigenous rules) and the macro level (i.e., supply and demand, regulations, financing, taxes, culture, traditions, market, climate, politics, demographics, and technology). The UIPS evaluation system developed in this study offers the possibility of calculating a fair value of UIPS and providing recommendations for improving university-industry (U-I) partnerships. This can be of great importance for entrepreneurial universities that would like to strengthen their corporate links and/or reduce/reverse the "hollowing effect" of globalisation in disadvantaged regions. Additionally, this paper also contains discussions on the advantages, limitations, and managerial implications of this proposal.

show abstract

“…In order to evaluate crashworthiness of structures, crushing parameters like initial peak force (F max ), mean force (F m ), total energy absorption (E), specific energy absorption (SEA), and crushing force efficiency (CFE) should be provided [10,43,44]. Initial peak force is the maximum force experienced by the tube during the beginning of crushing.…”

Section: Crashworthiness Parametersmentioning

confidence: 99%

Numerical crushing analysis of aluminum foam-filled corrugated single- and double-circular tubes subjected to axial impact loading

Kılıçaslan

2015

Thin-Walled Structures

View full text Add to dashboard Cite

Multiobjective optimization for foam-filled multi-cell thin-walled structures under lateral impact

Cited by 105 publications

References 32 publications

Analysis of Steel Wire Rope Diagnostic Data Applying Multi-Criteria Methods

Analysis of Steel Wire Rope Diagnostic Data Applying Multi-Criteria Methods

An Evaluation System for University–Industry Partnership Sustainability: Enhancing Options for Entrepreneurial Universities

Numerical crushing analysis of aluminum foam-filled corrugated single- and double-circular tubes subjected to axial impact loading

Contact Info

Product

Resources

About