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Applying the spectral stochastic finite element method in multiple-random field RC structures

Abbas YAZDANI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 434-447 doi: 10.1007/s11709-022-0820-6

Abstract: In doing so, it presents a new framework to study how the correlation length of a random field (RF) withIt considers: 1) different correlation lengths for uncertainty parameters, and 2) dead and live loadslength effects in evaluating the reliability, two examples of RC beams and slabs have been investigatedAccording to the results, the RF correlation length is effective in modeling uncertainties and evaluatingreliabilities; the longer the correlation length, the greater the dispersion range of the structure

Keywords： uncertainty     spectral stochastic finite element method     correlation length     reliability assessment     reinforced    

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Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 127-138 doi: 10.1007/s11708-020-0661-8

Abstract: This paper investigated effects of slip length and hydraulic diameter on the hydraulic entrance lengthIt is found that superhydrophobic microchannels have a longer hydraulic entrance length than that ofThe dimensionless hydraulic entrance length slightly increases with the increasing slip length at approximatelyA new correlation to predict the entrance length in square microchannels with different slip lengths

Keywords： laminar flow     hydraulic entrance length     super hydrophobic surface     slip length     hydraulic diameter    

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Structural behavior of intermediate length cold-formed steel rack columns with C-stitches

M. ANBARASU, Mahmud ASHRAF

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 937-949 doi: 10.1007/s11709-019-0528-4

Abstract: presents an experimental and numerical investigation on the strength and performance of intermediate lengthused to carry out a parametric study to examine changes in structural response due to variations in length

Keywords： cold-formed steel columns     C-stitches     intermediate length columns     distortional buckling    

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Association between telomere length and survival in cancer patients: a meta-analysis and review of literature

Xinsen Xu,Kai Qu,Qing Pang,Zhixin Wang,Yanyan Zhou,Chang Liu

Frontiers of Medicine 2016, Volume 10, Issue 2,   Pages 191-203 doi: 10.1007/s11684-016-0450-2

Abstract:

The relationship between telomere length and cancer survival has been widely studied.A total of 29 studies evaluated telomere length in the peripheral blood; 22 studies evaluated telomerelength in the tumor tissue.First, in the peripheral blood studies, for solid tumor patients with shortened telomere length, thepatients with lower telomere length ratios, the combined HRs were 0.66 (95%CI, 0.53–0.83) and

Keywords： telomere     survival     cancer     meta-analysis    

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Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 242-248 doi: 10.1007/s11465-014-0305-y

Abstract: First of all, it’s important to analyze the contact length between the grinding stone and the rail, because the contact length is a critical parameter to measure the grinding capabilities of stones.Therefore the theoretical model for contact length is developed based on the geometrical analysis.

Keywords： rail grinding     contact length     dynamic model     Hamiltonian system     grinding stone     rail grinding car    

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The defect-length effect in corrosion detection with magnetic method for bridge cables

Qiwei ZHANG, Rongya XIN

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 4,   Pages 662-671 doi: 10.1007/s11709-018-0512-4

Abstract: An LMA defect in steel cables can be measured accurately when it is longer than a certain length.However, for defects in early stage, where the length of corrosion area is short, the MF examinationIn this study, the effect of defect length on the MF examination for corrosion detection of bridge cablesAn original analytical model to quantify the influence of defect length is proposed based on the equivalentresults show that the area loss caused by short corrosion damage will be underestimated if the defect-length

Keywords： bridge cable     corrosion detection     defect length     MF examination     quantitative evaluation    

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Optimization of aero-engine pipeline for avoiding vibration based on length adjustment of straight-line

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 11-11 doi: 10.1007/s11465-021-0667-x

Abstract: In this paper, a typical spatial pipeline is taken as the research object, the length of straight-lineThe relationship between straight-line segment length and parameters that determine the geometric characteristicsBased on the analysis of the influence of straight-line segment length on the vibration characteristicsdeveloped optimization method can obtain the optimal single value or interval of the straight-line segment lengthefficiency of the golden section algorithm is remarkably higher than that of the genetic algorithm for length

Keywords： length adjustment     spatial pipeline     aero-engine     vibration avoidance optimization     genetic algorithm    

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New form of geodetic coordinate system taking two length quantity as coordinate parameters

Yimin SHI, Ziyang ZHU, Yeming FAN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 105-110 doi: 10.1007/s11709-009-0014-5

Abstract: The vertical and horizontal geodesic coordinates measured with length were defined as coordinate parametersThe formula for the latitudinal scale factor of length for geodetic parallel lines was derived, by which

Keywords： coordinate parameter     the first fundamental form on the ellipsoidal surface     latitudinal scale factor of length    

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Secondary transfer length and residual prestress of fractured strand in post-tensioned concrete beams

Lizhao DAI; Wengang XU; Lei WANG; Shanchang YI; Wen CHEN

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 3,   Pages 388-400 doi: 10.1007/s11709-022-0809-1

Abstract: post-tensioned concrete beams to explore the effects of different fracture positions on secondary transfer lengthA numerical model is developed and used to predict the secondary transfer length and residual prestressfractured strand can be re-anchored in concrete through the secondary anchorage, and the secondary transfer lengthThe residual prestress of fractured strand increases gradually in the secondary transfer length, and

Keywords： post-tensioned concrete beams     strand fracture     secondary transfer length     residual prestress    

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Digital image correlation-based structural state detection through deep learning

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 45-56 doi: 10.1007/s11709-021-0777-x

Abstract: The digital image correlation (DIC) technology was utilized to collect vibration information of an actual

Keywords： structural state detection     deep learning     digital image correlation     vibration signal     steel frame    

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Diagnosis method based on wavelet coefficient scale relativity correlation dimension for fault

GU Junjie, TIAN Jin, PENG Xuezhi

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 164-168 doi: 10.1007/s11708-008-0031-4

Abstract: Correlation dimension as a tool to describe machinery condition is introduced.The correlation dimension is able to identify conditions of the fan with faults compared with the normal

Keywords： effective technology     monitoring     mechanical equipment     relativity     Correlation    

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Aerodynamic challenges in span length of suspension bridges

XIANG Haifan, GE Yaojun

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 2,   Pages 153-162 doi: 10.1007/s11709-007-0016-0

Abstract: technological feasibility of suspension bridges with longer spans, the static estimation of feasible span lengthtrial design of a 5 000 m suspension bridge, which is estimated as a reasonable limitation of span length, is finally conducted to respond to the tomorrow s challenge in span length of suspension bridges with

Keywords： requirement     reasonable limitation     challenge     particular     economical construction    

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Reliability analysis of urban gas transmission and distribution system based on FMEA and correlation

Su LI,Weiguo ZHOU

Frontiers in Energy 2014, Volume 8, Issue 4,   Pages 443-448 doi: 10.1007/s11708-014-0336-4

Abstract: To solve the problem of subjectivity and uncertainty of the multi-expert decision making, the correlationThe results show that correlation operator can directly process the linguistic terms and quantify the

Keywords： and distribution system     risk evaluation     reliability analysis     failure mode and effects analysis (FMEA)     correlation    

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Measurement and correlation of the solid-liquid equilibrium of 2-(

Yanhong SUN, Zhiyong LI, Chuang XIE, Wei CHEN, Cui ZHANG

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 110-115 doi: 10.1007/s11705-013-1316-7

Abstract: In this work, the enthalpy of fusion and melting points of 2-( -butyl)-5-methylphenol (2B5MP) and 2-( -butyl)-4-methylphenol (2B4MP) were measured by differential scanning calorimetry (DSC). The binary solid-liquid equilibrium (SLE) of both compounds were predicted by integrated computer aided system (ICAS) and measured by DSC. The corresponding eutectic molar composition is 0.6998 and the eutectic temperature is 281.96 K. The quasi-static heat capacities of 2B5MP and 2B4MP were evaluated by stochastic temperature modulation DSC technique (TOPEM). The SLE experimental data were correlated using the Margules, Wilson, and non-random two liquid (NRTL) equations and a good agreement between measurement and calculation could be obtained.

Keywords： solid-liquid equilibrium (SLE)     eutectic     integrated computer aided system (ICAS)     TOPEM     correlation    

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Synthesis of Intermittent-Motion Linkages with Slight Difference in Length Between Links

CHEN Xin-bo, YU Zhen

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 76-79 doi: 10.1007/s11465-005-0007-6

Abstract: paper, (1) a new method for realizing intermittent motion, using linkages with a slight difference in length

Keywords： synthesis     useful     intermittent     intermittent-motion     traditional    

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Title Author Date Type Operation

Applying the spectral stochastic finite element method in multiple-random field RC structures

Abbas YAZDANI

Journal Article

Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Journal Article

Structural behavior of intermediate length cold-formed steel rack columns with C-stitches

M. ANBARASU, Mahmud ASHRAF

Journal Article

Association between telomere length and survival in cancer patients: a meta-analysis and review of literature

Xinsen Xu,Kai Qu,Qing Pang,Zhixin Wang,Yanyan Zhou,Chang Liu

Journal Article

Modelling of dynamic contact length in rail grinding process

Shaodan ZHI,Jianyong LI,A. M. ZAREMBSKI

Journal Article

The defect-length effect in corrosion detection with magnetic method for bridge cables

Qiwei ZHANG, Rongya XIN

Journal Article

Optimization of aero-engine pipeline for avoiding vibration based on length adjustment of straight-line

Journal Article

New form of geodetic coordinate system taking two length quantity as coordinate parameters

Yimin SHI, Ziyang ZHU, Yeming FAN

Journal Article

Secondary transfer length and residual prestress of fractured strand in post-tensioned concrete beams

Lizhao DAI; Wengang XU; Lei WANG; Shanchang YI; Wen CHEN

Journal Article

Digital image correlation-based structural state detection through deep learning

Journal Article

Diagnosis method based on wavelet coefficient scale relativity correlation dimension for fault

GU Junjie, TIAN Jin, PENG Xuezhi

Journal Article

Aerodynamic challenges in span length of suspension bridges

XIANG Haifan, GE Yaojun

Journal Article

Reliability analysis of urban gas transmission and distribution system based on FMEA and correlation

Su LI,Weiguo ZHOU

Journal Article

Measurement and correlation of the solid-liquid equilibrium of 2-(

Yanhong SUN, Zhiyong LI, Chuang XIE, Wei CHEN, Cui ZHANG

Journal Article

Synthesis of Intermittent-Motion Linkages with Slight Difference in Length Between Links

CHEN Xin-bo, YU Zhen

Journal Article