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Numerical study on natural convection in a square enclosure containing a rectangular heated cylinder

Jianhua LU, Zhaoli GUO, Zhenhua CHAI, Baochang SHI,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 373-380 doi: 10.1007/s11708-009-0078-x

Abstract: In this paper, the natural convection in a square enclosure with a rectangular heated cylinder is investigated

Keywords： natural convection     buoyant regime     heated cylinder     lattice Boltzmann    

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Axial compression behavior of CFRP-confined rectangular concrete-filled stainless steel tube stub column

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1144-1159 doi: 10.1007/s11709-021-0762-4

Abstract: The mechanical properties of CFRP-confined rectangular concrete-filled stainless steel tube (CFSST) stub

Keywords： CFRP     rectangular CFSST stub column     bearing capacity     limit equilibrium state     twin-shear strength theory    

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Discrete element method modeling of corn-shaped particle flow in rectangular hopper

He TAO, Baosheng JIN, Wenqi ZHONG, Xiaofang WANG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 267-275 doi: 10.1007/s11709-010-0035-0

Abstract: Discrete element method (DEM) was developed to simulate the corn-shaped particles flow in the hopper. The corn-shaped particle was described by four overlapping spheres. Contact force and gravity force were considered when establishing the model. In addition, flowing characteristic of particles in the hopper was studied. The effect of friction coefficient on the wall pressure, voidage and velocity distribution was analyzed. The results show that the discharge rate decreases with the friction coefficient increasing; and the “over-pressure” phenomenon occurs in the discharging process for two different friction coefficients. The voidage also increases as the friction coefficient increasing. And the velocity distribution is more uniformity and is closer to the mass flow with the friction coefficient deceasing.

Keywords： discrete         element          method         (DEM)             non-spherical     voidage     pressure     velocity distribution     hopper    

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Estimation of relations among hysteretic response measures and design parameters for RC rectangular shear

A. ARAB, Ma. R. BANAN, Mo. R. BANAN, S. FARHADI

Frontiers of Structural and Civil Engineering 2018, Volume 12, Issue 1,   Pages 3-15 doi: 10.1007/s11709-017-0418-6

Abstract: study, the relations among cyclic behavioral measures and design parameters have been investigated for rectangular

Keywords： RC wall hysteretic measures     RC wall design parameters     empirical relations     numerical simulations     RC rectangular    

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Performance study on T-stub connected semi-rigid joint between rectangular tubular columns and H-shaped

Guochang LI, Hongping YU, Chen FANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 3,   Pages 296-303 doi: 10.1007/s11709-013-0217-7

Abstract: This paper investigates the performance of T-stub connected semi-rigid joint of rectangular tubular columns

Keywords： rectangular tubular columns     T-stub     semi-rigid     nonlinear finite element analysis     moment-rotation curves    

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Experimental study of heat transfer coefficient with rectangular baffle fin of solar air heater

Foued CHABANE,Nesrine HATRAF,Noureddine MOUMMI

Frontiers in Energy 2014, Volume 8, Issue 2,   Pages 160-172 doi: 10.1007/s11708-014-0321-y

Abstract: This paper presents an experimental analysis of a single pass solar air collector with, and without using baffle fin. The heat transfer coefficient between the absorber plate and air can be considerably increased by using artificial roughness on the bottom plate and under the absorber plate of a solar air heater duct. An experimental study has been conducted to investigate the effect of roughness and operating parameters on heat transfer. The investigation has covered the range of Reynolds number from 1259 to 2517 depending on types of the configuration of the solar collectors. Based on the experimental data, values of Nusselt number have been determined for different values of configurations and operating parameters. To determine the enhancement in heat transfer and increment in thermal efficiency, the values of Nusselt have been compared with those of smooth duct under similar flow conditions.

Keywords： Nusselt number     flow rate     heat transfer     heat transfer coefficient     thermal efficiency     forced convection    

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Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1141-1152 doi: 10.1007/s11709-022-0866-5

Abstract: The out-of-plane stability of the two-hinged space truss circular arch with a rectangular section is

Keywords： torsional stiffness     strength design     elastic buckling     space truss arches     out-of-plane    

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Diaphragm wall-soil-cap interaction in rectangular-closed- diaphragm-wall bridge foundations

Hua WEN, Qiangong CHENG, Fanchao MENG, Xiaodong CHEN

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 93-100 doi: 10.1007/s11709-009-0015-4

Abstract: Rectangular-closed-diaphragm-wall foundation is a new type of bridge foundation.

Keywords： diaphragm wall     bridge foundation     low cap     interaction    

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The behavior of a rectangular closed diaphragm wall when used as a bridge foundation

Qiangong CHENG, Jiujiang WU, Zhang SONG, Hua WEN

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 398-420 doi: 10.1007/s11709-012-0175-5

Abstract: The rectangular closed diaphragm (RCD) wall is a new type of bridge foundation.

Keywords： diaphragm wall     soil core     bridge foundation     FLAC3D     bearing behavior    

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Analysis of Sound Radiation of Two ConnectedElastic Rectangular Enclosure

Yao Haoping,Zhang Jianrun,Chen Nan,Sun Qinghong

Strategic Study of CAE 2007, Volume 9, Issue 3,   Pages 41-46

Abstract:

The model of sound radiated from two connected rectangular enclosures

Keywords： the radiation of sound     connection     rectangular enclosure     coupling    

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Slender reinforced concrete shear walls with high-strength concrete boundary elements

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 138-151 doi: 10.1007/s11709-022-0897-y

Abstract: Reinforced concrete structural walls are commonly used for resisting lateral forces in buildings. Owing to the advancements in the field of concrete materials over the past few decades, concrete mixes of high compressive strength, commonly referred to as high-strength concrete (HSC), have been developed. In this study, the effects of strategic placement of HSC on the performance of slender walls were examined. The finite-element model of a conventional normal-strength concrete (NSC) prototype wall was validated using test data available in extant studies. HSC was incorporated in the boundary elements of the wall to compare its performance with that of the conventional wall at different axial loads. Potential reductions in the reinforcement area and size of the boundary elements were investigated. The HSC wall exhibited improved strength and stiffness, and thereby, allowed reduction in the longitudinal reinforcement area and size of the boundary elements for the same strength of the conventional wall. Cold joints resulting from dissimilar concrete pours in the web and boundary elements of the HSC wall were modeled and their impact on behavior of the wall was examined.

Keywords： slender walls     high-strength concrete     rectangular and barbell-shaped walls     cold joints    

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Degree of bending of concrete-filled rectangular hollow section K-joints under balanced-axial loadings

Rui ZHAO; Yongjian LIU; Lei JIANG; Yisheng FU; Yadong ZHAO; Xindong ZHAO

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 4,   Pages 461-477 doi: 10.1007/s11709-022-0818-0

Abstract: Currently, no DoB parametric formula is available for concrete-filled rectangular hollow section

Keywords： fatigue assessment     K-joint     design equations     degree of bending     fracture mechanics    

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Thermal buckling behavior of laminated composite plates: a finite-element study

Houdayfa OUNIS,Abdelouahab TATI,Adel BENCHABANE

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 1,   Pages 41-49 doi: 10.1007/s11465-014-0284-z

Abstract: present finite element is a combination of a linear isoparametric membrane element and a high precision rectangular

Keywords： laminated composite plates     anisotropy     critical buckling temperature     finite-element method     high precision rectangular    

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Transmission probability method based on triangle meshes for solving the unstructured geometry neutron transport problem

WU Hongchun, LIU Pingping, ZHOU Yongqiang, CAO Liangzhi

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 158-166 doi: 10.1007/s11708-007-0020-z

Abstract: However, the rectangular or hexagonal meshes are mainly used in the TPM codes for the normal core structure

Keywords： unstructured geometry     assembly     transmission probability     TPM     rectangular    

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Key Technologies and Applications of the Design and Manufacturing of Non-Circular TBMs

Jianbin Li

Engineering 2017, Volume 3, Issue 6,   Pages 905-914 doi: 10.1016/j.eng.2017.12.002

Abstract: multi-cutterhead excavation, special-shaped segment erection, and soil conditioning in loess strata for a rectangular

Keywords： Non-circular TBMs     Rectangular pipe-jacking machine     Horseshoe-shaped TBM     Underground space exploitation    

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Title Author Date Type Operation

Numerical study on natural convection in a square enclosure containing a rectangular heated cylinder

Jianhua LU, Zhaoli GUO, Zhenhua CHAI, Baochang SHI,

Journal Article

Axial compression behavior of CFRP-confined rectangular concrete-filled stainless steel tube stub column

Journal Article

Discrete element method modeling of corn-shaped particle flow in rectangular hopper

He TAO, Baosheng JIN, Wenqi ZHONG, Xiaofang WANG,

Journal Article

Estimation of relations among hysteretic response measures and design parameters for RC rectangular shear

A. ARAB, Ma. R. BANAN, Mo. R. BANAN, S. FARHADI

Journal Article

Performance study on T-stub connected semi-rigid joint between rectangular tubular columns and H-shaped

Guochang LI, Hongping YU, Chen FANG

Journal Article

Experimental study of heat transfer coefficient with rectangular baffle fin of solar air heater

Foued CHABANE,Nesrine HATRAF,Noureddine MOUMMI

Journal Article

Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Journal Article

Diaphragm wall-soil-cap interaction in rectangular-closed- diaphragm-wall bridge foundations

Hua WEN, Qiangong CHENG, Fanchao MENG, Xiaodong CHEN

Journal Article

The behavior of a rectangular closed diaphragm wall when used as a bridge foundation

Qiangong CHENG, Jiujiang WU, Zhang SONG, Hua WEN

Journal Article

Analysis of Sound Radiation of Two ConnectedElastic Rectangular Enclosure

Yao Haoping,Zhang Jianrun,Chen Nan,Sun Qinghong

Journal Article

Slender reinforced concrete shear walls with high-strength concrete boundary elements

Journal Article

Degree of bending of concrete-filled rectangular hollow section K-joints under balanced-axial loadings

Rui ZHAO; Yongjian LIU; Lei JIANG; Yisheng FU; Yadong ZHAO; Xindong ZHAO

Journal Article

Thermal buckling behavior of laminated composite plates: a finite-element study

Houdayfa OUNIS,Abdelouahab TATI,Adel BENCHABANE

Journal Article

Transmission probability method based on triangle meshes for solving the unstructured geometry neutron transport problem

WU Hongchun, LIU Pingping, ZHOU Yongqiang, CAO Liangzhi

Journal Article

Key Technologies and Applications of the Design and Manufacturing of Non-Circular TBMs

Jianbin Li

Journal Article