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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: Using the FLAC3D software, this paper investigates the deformation properties, soil resistance and skin

Keywords： diaphragm wall     soil core     bridge foundation     FLAC3D     bearing behavior    

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Three-dimensional numerical modeling of single geocell-reinforced sand

Xiaoming YANG, Jie HAN, Robert L. PARSONS, Dov LESHCHINSKY,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 2,   Pages 233-240 doi: 10.1007/s11709-010-0020-7

Abstract: This paper summarizes the development of a three-dimensional numerical model for analyzing single geocell-reinforced soil. In this model, the infill soil was modeled using the Duncan-Chang model, which can simulate non-linearity and stress-dependency of soil. Geocell was modeled using linearly elastic plate elements, which can carry both bending and membrane stresses. A linear interface stress-strain relationship with a Mohr-Coulomb yield criterion was adopted to model the interface friction between the geocell wall and the soil. By modeling the geocell and the soil separately, the interaction between the soil and the geocell can be accurately simulated. To verify this model, a plate load test was conducted in the laboratory, in which a 12-cm-thick sand layer reinforced by a single geocell was subjected to a vertical load from a circular steel plate. The load-displacement curves and the horizontal tensile strain of the geocell were recorded during the test. A numerical model was created according to the setup of the load test. The numerical results compared reasonably well with the test data.

Keywords： geosynthetic reinforcement     geocell     numerical model     FLAC3D    

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for the determination of vertically loaded pile-soil interface parameters in layered soil based on FLAC

Jiu-jiang WU,Yan LI,Qian-gong CHENG,Hua WEN,Xin LIANG

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 103-111 doi: 10.1007/s11709-015-0328-4

Abstract: The numerical analysis of pile-soil interaction commonly requires a lot of trial works to determine the interface parameters and the accuracy cannot be ensured normally. Considering this, this paper first conducts a sensitivity analysis to figure out the influence of interface parameters on the bearing behavior of a single pile in sand. Then, a simplified method for the determination of pile-soil interface parameters in layered soil is proposed based on the parameter studies. Finally, a filed loading test is used for the validation of the simplified method, and the calculated results agree well with the monitoring data. In general, the simplified method proposed in this paper works with higher accuracy and consumes less time compared with the traditional trial works, especially on the determinations of interfacial cohesive and interfacial friction angle.

Keywords： determination of interface parameters     pile-soil interaction     FLAC3D     sensitivity analysis     layered    

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A Review on the 3D Printing of Functional Structures for Medical Phantoms and Regenerated Tissue and

Kan Wang, Chia-Che Ho, Chuck Zhang, Ben Wang

Engineering 2017, Volume 3, Issue 5,   Pages 653-662 doi: 10.1016/J.ENG.2017.05.013

Abstract: With the rapid advancement of three-dimensional (3D) printing and 3D bioprinting technologies, many researchersThis paper reviews the applications of these 3D printing and 3D bioprinting technologies for the fabricationThis review specifically discusses the state of the art along with new developments and trends in 3Dmedical phantoms, radiologically relevant medical phantoms, and physiological medical phantoms) and 3D

Keywords： 3D printing     3D bioprinting     Medical phantom     Regenerated tissue/organ     Scaffold    

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HAPE3D—a new constructive algorithm for the 3D irregular packing problem

Xiao LIU,Jia-min LIU,An-xi CAO,Zhuang-le YAO

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 5,   Pages 380-390 doi: 10.1631/FITEE.1400421

Abstract: We propose a new constructive algorithm, called HAPE3D, which is a heuristic algorithm based on the principleHAPE3D can deal with arbitrarily shaped polyhedrons, which can be rotated around each coordinate axisThe most outstanding merit is that HAPE3D does not need to calculate no-fit polyhedron (NFP), which isa huge obstacle for the 3D packing problem.HAPE3D can also be hybridized with a meta-heuristic algorithm such as simulated annealing.

Keywords： 3D packing problem     Layout design     Simulation     Optimization     Constructive algorithm     Meta-heuristics    

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Seismic behavior of cantilever wall embedded in dry and saturated sand

Sanku KONAI, Aniruddha SENGUPTA, Kousik DEB

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3,   Pages 690-705 doi: 10.1007/s11709-020-0615-6

Abstract: loading condition is investigated by shake table tests in the laboratory and numerically using software FLAC2D

Keywords： embedded cantilever wall     shake table test     FLAC2D     seismic loading     saturated and dry sand    

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Characterization of 3D microstructure, thermal conductivity, and heat flow of cement-based foam using

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 643-651 doi: 10.1007/s11709-021-0709-9

Abstract: This study presents the results of the 3D microstructure, thermal conductivity, and heat flow in cement-basedThese images were later simulated and quantified using 3D data visualization and analysis software.>3 were found to be optimum.In addition, a difference of 15% was observed between the 2D and 3D porosity results.The 3D model showed that heat flows through the cement paste solids and with an increase in porosity

Keywords： 3D pore volume distribution     X-ray tomography     3D shape factor     heat flow    

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Development of Bioimplants with 2D, 3D, and 4D Additive Manufacturing Materials Review

Guo Liu, Yunhu He, Pengchao Liu, Zhou Chen, Xuliang Chen, Lei Wan, Ying Li, Jian Lu

Engineering 2020, Volume 6, Issue 11,   Pages 1232-1243 doi: 10.1016/j.eng.2020.04.015

Abstract: However, 3D printable materials are still quite limited for the fabrication of bioimplants.In this work, 2D/3D AM materials for bioimplants are reviewed.complex and dynamic biological structures in the human body based on 4D printing hybrid ceramic precursorprinting technology, the development of bioimplants and soft/rigid hybrid biological structures with 2D/3D/4D AM materials can be anticipated.

Keywords： Bioprinting     2D additive manufacturing     3D printing     4D printing     Bioimplants    

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3D Printing Advances on Multiple Fronts

Chris Palmer

Engineering 2020, Volume 6, Issue 6,   Pages 590-592 doi: 10.1016/j.eng.2020.04.005

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Animage-based approach to the reconstruction of ancient architectures by extracting and arranging 3D

Divya Udayan J,HyungSeok KIM,Jee-In KIM

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 1,   Pages 12-27 doi: 10.1631/FITEE.1400141

Abstract: idea of our approach is to reduce the infinite solutions that might otherwise arise when recovering a 3Dgeometry from 2D photographs.manual extrapolation and editing techniques with modeling software to assemble and adjust different 3DVariations of a recreated 3D monument to represent an amalgam of various cultures are targeted for future

Keywords： Digital reconstruction     3D virtual world     3D spatial components     Vision and scene understanding    

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Construction of digital 3D magic-cube organization structure for innovation-driven manufacturing

Frontiers of Engineering Management   Pages 373-390 doi: 10.1007/s42524-022-0237-x

Abstract: This study proposes a three-dimensional (3D) magic-cube organizational structure, considering the productthe characteristics, propositions of system operation, system dynamic model, and working model of the 3DFinally, the 3D model is applied in a Chinese manufacturing firm to test its effectiveness.The proposed 3D model can be adopted by large- or medium-sized manufacturing firms for product development

Keywords： innovation     manufacturing     3D magic-cube organization structure     coordination    

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Development Trends in Additive Manufacturing and 3D Printing Perspective

Bingheng Lu, Dichen Li, Xiaoyong Tian

Engineering 2015, Volume 1, Issue 1,   Pages 85-89 doi: 10.15302/J-ENG-2015012

Abstract:

Additive manufacturing and 3D printing technology have been developing rapidly in the last 30 yearsThe promising future of this technology makes its impact on traditional industry unpredictable. 3D printingInnovations in material, design, and fabrication processes will be inspired by the merging of 3D-printingFinally, 3D printing will become as valuable for manufacturing industries as equivalent and subtractive

Keywords： additive manufacturing     3D printing     fabrication modes     customized fabrication     innovative design    

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Origami-Based Design for 4D Printing of 3D Support-Free Hollow Structures Article

Bingcong Jian, Frédéric Demoly, Yicha Zhang, H. Jerry Qi, Jean-Claude André, Samuel Gomes

Engineering 2022, Volume 12, Issue 5,   Pages 70-82 doi: 10.1016/j.eng.2021.06.028

Abstract: very little attention has been given to the design and printing of more complex three-dimensional (3DOne of the main reasons is that such complex open or closed 3D cavities and regular/freeform folds generallydesign as an original research direction to design and build 3D support-free hollow structures.This work consists of describing the rough 3D hollow structures in terms of two-dimensional (2D) printedensuring the transformation of the 2D origami layout to 3D structures.

Keywords： Origami-based design     4D printing     Smart material     Hollow 3D structures     Additive manufacturing    

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Design and 3D Printing of Scaffolds and Tissues Review

Jia An, Joanne Ee Mei Teoh, Ratima Suntornnond, Chee Kai Chua

Engineering 2015, Volume 1, Issue 2,   Pages 261-268 doi: 10.15302/J-ENG-2015061

Abstract:

A growing number of three-dimensional (3D)-printing processes have been applied to tissue engineeringThis paper presents a state-of-the-art study of 3D-printing technologies for tissue-engineering applications, with particular focus on the development of a computer-aided scaffold design system; the direct 3Dmanufacturing of scaffolds, with both micro and macro features; the development of a bioreactor; and 3DTechnological limitations will be discussed so as to highlight the possibility of future improvements for new 3D-printing

Keywords： rapid prototyping     3D printing     additive manufacturing     tissue engineering     bioprinting    

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Seepage analysis of Upper Gotvand Dam concerning gypsum karstification (2D and 3D approaches)

Jamshid SADREKARIMI, Majid KIYANI, Behnam FAKHRI, Mohammad Javad VAHDATIRAD, Amin BARARI

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 1,   Pages 71-78 doi: 10.1007/s11709-010-0083-5

Abstract: In this paper, 2D and 3D models of the dam together with the foundation and abutments were establishedIt was disclosed that the discharge fluxes obtained from 2D and 3D analyses are not similar, and thedischarge flux in 3D model is about four times that of the 2D model.Also, the 3D model locates the phreatic surface somewhat higher than the 2D model.This means that the 2D model estimates lower pore water pressure pattern in comparison with the 3D model

Keywords： Upper Gotvand Dam     seepage analysis     gypsum veins     3D model     discharge flux    

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Title Author Date Type Operation

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

Qiangong CHENG, Jiujiang WU, Zhang SONG, Hua WEN

Journal Article

Three-dimensional numerical modeling of single geocell-reinforced sand

Xiaoming YANG, Jie HAN, Robert L. PARSONS, Dov LESHCHINSKY,

Journal Article

for the determination of vertically loaded pile-soil interface parameters in layered soil based on FLAC

Jiu-jiang WU,Yan LI,Qian-gong CHENG,Hua WEN,Xin LIANG

Journal Article

A Review on the 3D Printing of Functional Structures for Medical Phantoms and Regenerated Tissue and

Kan Wang, Chia-Che Ho, Chuck Zhang, Ben Wang

Journal Article

HAPE3D—a new constructive algorithm for the 3D irregular packing problem

Xiao LIU,Jia-min LIU,An-xi CAO,Zhuang-le YAO

Journal Article

Seismic behavior of cantilever wall embedded in dry and saturated sand

Sanku KONAI, Aniruddha SENGUPTA, Kousik DEB

Journal Article

Characterization of 3D microstructure, thermal conductivity, and heat flow of cement-based foam using

Journal Article

Development of Bioimplants with 2D, 3D, and 4D Additive Manufacturing Materials

Guo Liu, Yunhu He, Pengchao Liu, Zhou Chen, Xuliang Chen, Lei Wan, Ying Li, Jian Lu

Journal Article

3D Printing Advances on Multiple Fronts

Chris Palmer

Journal Article

Animage-based approach to the reconstruction of ancient architectures by extracting and arranging 3D

Divya Udayan J,HyungSeok KIM,Jee-In KIM

Journal Article

Construction of digital 3D magic-cube organization structure for innovation-driven manufacturing

Journal Article

Development Trends in Additive Manufacturing and 3D Printing

Bingheng Lu, Dichen Li, Xiaoyong Tian

Journal Article

Origami-Based Design for 4D Printing of 3D Support-Free Hollow Structures

Bingcong Jian, Frédéric Demoly, Yicha Zhang, H. Jerry Qi, Jean-Claude André, Samuel Gomes

Journal Article

Design and 3D Printing of Scaffolds and Tissues

Jia An, Joanne Ee Mei Teoh, Ratima Suntornnond, Chee Kai Chua

Journal Article

Seepage analysis of Upper Gotvand Dam concerning gypsum karstification (2D and 3D approaches)

Jamshid SADREKARIMI, Majid KIYANI, Behnam FAKHRI, Mohammad Javad VAHDATIRAD, Amin BARARI

Journal Article