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Online since: May 2014
Authors: Dai Chao Sheng, Dong Wang, George P. Kouretzis
Kouretzis1, a, Daichao Sheng1,b and Dong Wang2,c 1ARC Centre of Excellence for Geotechnical Science and Engineering, Faculty of Engineering and Built Environment, The University of Newcastle, Australia 2Centre for Offshore Foundation Systems, The University of Western Australia aGeorgios.Kouretzis@newcastle.edu.au, bDaichao.Sheng@newcastle.edu.au, cDong.Wang@uwa.edu.au Keywords: cone penetration, sand, elastoplastic model, relative density, centrifuge tests.
The constitutive model has the same degree of flexibility when it comes to capturing different soil behavior as existing cone-cap [e.g. 8, 9] or bounding surface models [e.g. 10, 11], but with fewer material parameters and a better mathematical smoothness; rendering it ideal for the simulation of large-strain problems.
Furthermore, its material parameters can be easily determined from conventional laboratory tests, such as triaxial tests.
The model has only 7 material parameters that are all associated with a clear (at least phenomenological) physical meaning, and thus can be directly determined from conventional laboratory tests: 1.
I: mathematical foundation and hypoelasticity, Journal of Engineering Mechanics ASCE, 112-EM9 (1986) 966-987
Online since: July 2011
Authors: Duo Li Chai, Wu Bin
Highly ordered iron-containing mesoporous material, Fe-MCM-41, with 0.5~4 mol% Fe/Si loading was prepared and exhibited high catalytic activity in phenol hydroxylation using H2O2 as oxidant [8], and so on.
Acknowledgements The project was financially supported by Anhui Colleges and Universities Provincial Natural Science key research projects (KJ2008A066).
Journal of Hazardous Materials.
Online since: November 2015
Authors: Andrzej Szychowski, Beata Potrzeszcz-Sut
In the civil engineering neural networks are used in many issues of simulation, identification and evaluation of the technical condition of the structure, e.g. elastic-plastic analysis of shields and plates [5], structural reliability analysis [5, 6], identification of the material of existing structures [5, 7], fitting of FE models [8].
Hybrid systems integrating FEM and AMM for the analysis of selected problems of structural and material mechanics (in polish).
ANN constitutive material model in the shakedown analysis of an aluminum structure.
Computer Assisted Methods in Engineering and Science 21(2014) 49-58
Journal of Constructional Steel Research 62 (2006) 716–722
Online since: October 2008
Authors: Ying Xue Yao, Yue Dong Lang, Ping Jun Xia, P. Chen
Although Cybersphere system permits operator to walk freely, the sphere has to support the operator and rotate continuously, so its material property is required quite high and it is rather difficult to manufacture.
Srinivasan: ASME Transactions of Journal of Computing and Information Sciences in Engineering, Vol. 3 (2001), pp. 72-83
Key Engineering Materials, Vol. 316 (2006), pp. 556-560
Online since: August 2012
Authors: Wei Dong He, San Jiu Ying, Fu Ming Xu, Zheng Gang Xiao
Modeling and Calculation of Initial Ignition Gas Pressure Flow Through the Rigid Porous Media in 100 mm Ignition Simulator Zhenggang Xiao, Weidong He, Sanjiu Ying and Fuming Xu School of Chemical Engineering, Nanjing University of Science and Technology Nanjing, Jiangsu Province, P.
Meyer, Constitutive modeling of porous viscoelastic materials, European Journal of Mechanics A/solids, 26(2007) 936-955
Collins, Flow of fluids through porous material.
Online since: December 2014
Authors: Bo Guo
The total project cost of the program is 966,600 Yuan, with an average of 30,000 Yuan per linear meter The second project, outsourcing Rib reinforcement steel sheet, as shown in Figure 2: (1) By anchor aging thickness of 6mm steel plate to reinforce the main arch, ring arch rib and cross collar beam, By using special materials to fill gaps between steel plate and the original concrete , so that making it to form a whole with the original arch rib , to become a steel concrete composite structure, while wrapping up the cross collar beam to form a whole with the main arch rib , which greatly enhance the overall stability of the whole bridge; (2) By taking carbon fiber sheet to reinforce cracks, which on more concentrated parts of surface of arch, arch abutments and of the arch wave; (3) By using epoxy resin mortar directly reinforce and repair the arch, arch abutments , local defects wave and concrete damaged area; (4)Repair the partial damage on the surface of the original bridge
(4) Seal and paste grouting mouth Sealing up all the edge of components in steel skeleton with sealing material, Drilling on the edge of the steel skeleton in the proper position, pasting grouting mouth and setting aside the vent
Civil engineering structure experiment [M].Wuhan: wuhan university of science and technology press, 2003
Journal of tongji university, 1994 (1) : 21 ~ 26
Online since: December 2023
Authors: Joel Díaz-Reyes, Álvaro Flores-Pacheco, Jorge Indalecio Contreras-Rascón, Mario Enrique Álvarez-Ramos
X-ray photoelectron spectrometry (XPS) is a non-destructive characterization technique and is a very useful tool that allows to identify the elements that exist within a material (elemental composition) or are covering its surface, as well as its chemical state, the general electronic structure and density of electronic states in the material.
Since CdS is a direct bandgap material, n=2.
Boopathi, Synthesis and Characterization of CdS and Ag Doped CdS Naboparticle, International Journal of Science and Research (IJSR) 4 (2015) 2299-2302
Mahdi, Optical and structural properties of cadmium sulphide quantum dots based thin films as potential sensing material for dengue virus E-protein, Results in Physics 11 (2018) 734-739
Dislocation densities in some annealed and cold-worked metals from measurements on the X-ray Debye-Scherrer spectrum, The Philosophical Magazine: A Journal of Theoretical Experimental and Applied Physics 1 (1956) 34-46
Online since: January 2012
Authors: Yong Qing Chen, Bin Bin Zhao
The singularity may result in anomalous amount of energy release or material accumulation within a narrow spatial-temporal interval.
A high gravity value indicates the presence of geological objects with higher average density than the materials surrounding them.
Earth Science-Journal of China University of Geosciences, 34(2):232-242(in Chinese with English abstract)
Li, et al., “Study on ore-forming fluids of the Guilaizhuang gold deposits in Pingyi, Western Shangdong,” Journal Mineral Petrol, 29(1):38-44, 2005(in Chinese)
Online since: September 2020
Authors: Peter Jurči
Formation of Microstructure during Sub-Zero Treatments of Chromium and Chromium-Vanadium Ledeburitic Steels JURČI Peter Faculty of Material Sciences and Technology of the STU in Trnava, J.
Thus, the sub-zero treatment transformed from the "black-art" to the accepted topic of science.
In addition, Gavriljuk et al. [7] used powder metallurgy steel while conventional cast and wrought materials were used in other cited works.
Pendray, Cryoprocessing of Materials: A Review of Current Status, Mater.
Trnava: Faculty of Materials and Technology, Trnava, 2015
Online since: June 2019
Authors: Abderrahim Guittoum, David Martínez-Blanco, J.A. Blanco, Pedro Gorria, Nadia Boukherroub, Messaoud Hemmous, Nassim Souami
Introduction Mechanical alloying (MA) technique is a powerful method for the elaboration of powdered nanostructured materials.
In the case of nanostructured ferromagnetic materials, if the cristallite size decreases down to the nanometric scale a change in the magnetic properties is frequently observed, which has been well explained by the random anisotropy model (RAM) [3, 4].
Shameli, Nanostructured soft magnetic materials synthesized via mechanical alloying: a review, J Mater Sci: Mater Electron, Journal of Materials Science: Materials in Electronics, 29(2), (2017) 1690–1717
Herzer, Nanocrystalline soft magnetic materials, J.
Graham, Introduction to Magnetic Materials, John Wiley and Sons, Inc., Hoboken, New Jersey, 2009
Showing 96031 to 96040 of 97040 items