three dimensional crack growth numerical evaluations and experimental tests

... finite three-dimensional space In this paper, we analyze the geometrical characteristics of the three-dimensional wireless ad hoc network in a finite space in the framework of random graph and deduce ... framework of random graph Nodes and links of a net-work are considered as vertices and edges of a random graph G(V, E), respectively, where V is the set of vertices, each with a random location, andE ... et al [2] and Li [3] adopted such kind of models, called random symmetric pla-nar point graph and random geometric graph, respectively Further studies go along in the framework of random graph...

Ngày tải lên: 22/06/2014, 22:20

... effort F and flow ˙v is passive if:  t 0 for t≥ 0 and for every function pair F, ˙x where F the force generated by a haptic device at the handle,˙x(t) the velocity trajectory of the handle, and E(0) ... names are exempt from the relevant laws and regulations and therefore free for general use. While the advice and information in this book is believed to be true and accurate at the date of going to ... Physiology,Neurology, Engineering, and Computer Science (amongst others) that contribute toa better understanding of the sense of touch, and research on how to improve andreproduce haptic interaction...

Ngày tải lên: 17/02/2016, 14:42

... ManuscriptTitle: Ultra-High Stability and Durability of Iron Oxide Micro- and Nano-Structures with Discovery of New Three-Dimensional Structural Formation of Grain and Boundary Author: Nguyen Viet ... 2Accepted ManuscriptUltra-High Stability and Durability of Iron Oxide Micro- and Nano-Structures with Discovery of New Three-Dimensional Structural Formation of Grain and Boundary Nguyen Viet Long a,b,c,d,*, ... alloys, and oxides by heat treatment can be understood in detail for the discoveries of durability and stability of nano and microparticles and nanostructures via heat treatment In modeling and simulation,...

Ngày tải lên: 16/12/2017, 15:07

... mammary glands was formed to improve resolution and to achieve the benefits per-of three dimensional imaging (3D) First, emission fromGFP and SHG signals were studied in live mouse mam-mary glands ... (XY) (Figures 7A and B, compare XY slice and 3D views) Second, the lower power views(Figure 7A and B) and the inset of each shown in Figure 7Cand D) reveal the association of SHG-B and SHG-F posi-tive ... C H N I C A L A D V A N C E Open AccessThree dimensional multiphoton imaging of fresh and whole mount developing mouse mammary glands Michael D Johnson and Susette C Mueller* Abstract Background:...

Ngày tải lên: 05/11/2020, 05:56

... NERGY AND E NVIRONMENT  Volume 1, Issue 3, 2010 pp.431-444 Journal homepage: www.IJEE IEEFoundation.org  Hydrodynamic and performance of low power turbines: conception, modelling and experimental ... and five blades tubular propellers) and sensitivity analyses, to the best configurations, as well as comparisons between performance curves and experimental tests Results are presented with the ... turbine type and application Copyright © 2010 International Energy and Environment Foundation - All rights reserved Keywords: Hydrodynamic, Low power turbines, CFD, Modulation, Experimental tests ...

Ngày tải lên: 05/09/2013, 15:28

... pulsed ultrasound activates the phosphatidylinositol 3 kinase/Akt pathway and stimulates the growth of chondrocytes in three-dimensional cultures: a basic science study Ryohei Takeuchi1, Akihide ... MAPK, phosphorylated MAPK and type-II collagen levels Conclusion LIPUS promoted the proliferation of cultured chondrocytes and the production of type-IX collagen in a three-dimensional culture using ... cut into smaller pieces, and the cartilage specimens were washed well in PBS (pH 7.4) and digested with 0.25% trypsin–ethylenediamine tetraacetic acid (Gibco, Grand Island, NY, USA) for 20 min-utes...

Ngày tải lên: 09/08/2014, 10:23

... tank with rigid and moving baffles 143 vii Trang 9A three-dimensional NumErical Wave TANK (NEWTANK) has been developed to study water waves and wave-structure interaction The numerical model ... 113 5.5 Non-breaking Solitary Wave Runup and Rundown on a Steep Slope 116 5.5.1 Experimental setup and numerical discretization 116 5.5.2 Results and discussions 118 5.6 Wave Diffraction ... sloshing under combined surge and sway excitations The model is validated by comparing the numerical results with the linear analytical so-lution, experimental data and other numerical solutions Finally,...

Ngày tải lên: 13/09/2015, 20:56

... method, and then from the GFR we deduce two concrete filters, which are a foundation to implement a numerical procedure In addition, we develop a numerical model for solving this problem in three dimensional ... Þ 16 Trang 9Now we assign ge¼ ~geandue¼ ~ue Next, we define ~uand ~g are interpolating functions of data setsnui;joand g i;j , respectively From(42) and (45)andTable 1, we obtain ue ~u k k2¼mX0 ... 1A general filter regularization method to solve the threedimensional Cauchy problem for inhomogeneous Helmholtz-type equations: Theory and numerical simulation Quoc Viet Trana, Huy Tuan Nguyenb,...

Ngày tải lên: 16/12/2017, 15:07

... Understanding fatigue crack deformation and growth in these alloys at high temperature is crucial for ensuring structural integrity of gas turbines Methods: Experimental studies of crack growth ... process zone at the tip of a cohesive crack, to study the mode I crack growth in a wedge-splitting test and the mixed mode crack growth in an asymmetric three-point bending test Cubic displacement ... line shows the crack). Figure 4 Finite element model for crack growth analysis (a) mesh used for XFEM analysis and (b) refined mesh in crack growth area (red line shows the pre-crack). Trang 7finite...

Ngày tải lên: 02/11/2022, 10:40

... explained previously and by utilizing three-dimensional numerical computations As explicated, the comparison between non-dimensional permeability obtained from finite element results and the meas-ured ... http://jap.aip.org/authors Trang 2Microstructure, transport, and acoustic properties of open-cell foamsamples: Experiments and three-dimensional numerical simulations Camille Perrot,1,2,a)Fabien Chevillotte,3Minh ... METHODOLOGY THROUGH EXPERIMENTAL RESULTS A Experimental results and comparison with numerical results Experimental values of the frequency-dependent visco-in-ertial and thermal responses were provided...

Ngày tải lên: 30/11/2022, 14:33

... Singh and Sharma [12] analyzed the three dimensional free convective flow and heat transfer through a porous medium with periodic permeability Chauhan and Sahal [13] analyzed the flow and heat ... describe the three-dimensional flow through a porous medium For solution, we shall first consider three equations (30), (32) and (33) being independent of the main flow component u1 and the temperature ... steady MHD flow past a vertical porous plate Yamamoto and Iwamura [4], Raptis [5], Raptis et al [6], Govindarajulu and Thangaraj [7] and Mansutti and his associates [8] investigated the free convective...

Ngày tải lên: 05/09/2013, 14:58

... molecule resembles a right hand: two b-sheets and the a-helix form fingers and a palm, a longloop between the B7 and B8 strands forms a thumb, and a loop between the B6 and B9 strands forms a cord (Fig ... b-strand B3 and C-terminal b-strand A4, which most likely stabilize the structure The C-terminal b-strand A4 gives additional hydrogen bonding with b-strand A5 and the extension of b-strand B3 ... extension of b-strand B3 interacts with a b-strand B4 BAX also has a longer C-terminal b-strand A4 and a short additional b-strand after that When the three-dimensional structures of all xylanases are...

Ngày tải lên: 20/02/2014, 23:20

... of thethree-dimensional viscous primitive equations of large scale ocean and atmosphere dynamics By Chongsheng Cao and Edriss S Titi Abstract In this paper we prove the global existence and uniqueness ... Functional spaces and inequalities Denote by L2(Ω), L2(M ) and H m (Ω), H m (M ) the usual L2-Lebesgue and Sobolev spaces, respectively ([1]).Let Trang 8Definition 1 Let v0∈ V1 and T0∈ V2, and letT be ... hyper-diffusion three-dimensional ther-mocline planetary geostrophic model: well-posedness and long time behaviour, [9] J.-Y Chemin, B Desjardins, I Gallagher , and E Grenier , Anisotropy and dispersion...

Ngày tải lên: 06/03/2014, 08:21

... respectively The a-helices and b-strands are given for reference Helices a1 through a14 and strands b9 through b16 comprise the TIM barrel Domain B is inserted between b11 and a6 The seven 3 -helices ... transglycosylation activity [16] The sequence and 3D structure of the enzyme is presented and compared with related proteins Experimental procedures Isolation and sequencing of the gene The enzyme was ... produced withMOLSCRIPT[31] andRASTER3D [32] The co-ordinates and structure factors are deposited in the Protein Data Bank under accession code 1H3G Results and discussion DNA and polypeptide sequence...

Ngày tải lên: 08/03/2014, 02:20

... 5¢- and 3¢-RACE PCRs by using the outer and inner RACE primers supplied by the manufacturer and the outer and inner gene-specific primers designed from the cel7 PCR products The Cel7 outer and ... emersonii first-strand cDNA and genomic DNA, respectively, by PCR with primers corresponding to the 5¢ start and 3¢ stop sequences identified in the 5¢- and 3¢-RACE products The cel7 sense and antisense ... which are stacked face-to-face and are highly curved, forming convex and concave surfaces The convex and concave sheets of the b-sandwich are composed of seven b-strands Many of the side-chains...

Ngày tải lên: 23/03/2014, 13:20

... development, and to prevent the collapse of soil water and air pathways by soil overburden pressure and the weight of vehicle and animal traffic Dense regions of high strength may limit root growth and ... 1990,41,341-358 Mechanical impedance to root growth: a review of experimental techniques and root growth responses A G B E N G O U G H & C E M U L L I N S * Cellular and Environmental Physiology Department, ... remoulded remoulded sandy loam sandy loam cores and undisturbed clods of sandy loam parabolic 30" 30" 4 t 0 8 4.5 to 6 2.6 to 5.3 clay loam undisturbed aggregates cores of sandy loam 30"...

Ngày tải lên: 24/03/2014, 05:20

... 1Study of through-thickness residual stress bynumerical and experimental techniques S Rasouli Yazdi, D Retraint and J Lu Lasmis (Mechanical Systems and Concurrent Engineering Laboratory) Troyes, ... M T and Lu, J Hole dril-ling and ring core methods In Handbook of Measurement of Residual Stresses (Ed J Lu) 1996, pp 5–34 (Society for Experimental Mechanics, New York) (Fairmont Press and ... Owen, E Onate and E Hinton), Barcelona, 1997, pp 1021–1026 (CIMNE, Barcelona, Spain) 5 Lemaitre, L and Chaboche, J.L Me´canique des Mate´riaux Solides, 1984 (Dunod, Paris). 6 Landau, L and Lifchitz,...

Ngày tải lên: 24/05/2014, 20:36

... Trang 1Three Dimensional Static and Dynamic Finite Element Analysis and Design of Structures Three Dimensional Static and Dynamic Finite Element Analysis and Design of Structures ... AISC (ASD and LRFD), AASHTO, British, Canada, New Zealand and Eurocode3 • Steel member selection and optimization • Support AISC (ASD and LRFD), AASHTO, British, Canada, New Zealand and Eurocode3 ... defined and named views • Multiple orthographic and perspective views • Zooming and panning • Standard viewing angles • User defined and named views Interactive Modeling Trang 13Guides and Grids•...

Ngày tải lên: 11/06/2014, 03:16

... Schlichting and Blume (1966) and AK Standortskartierung (1982) In order to determine the litter and humus component groups, air-dried soil samples were analysed wet chemically according to Schlichting and ... faeces OAh (0-2) twig pieces and 70% arthroand worm faeces The earth worm faeces contain ≈ 50% mineral particles 30% leaf and pod Ah1 (2-5) Sandy loam, little litter and many animal faeces (0.26 ... The soil and the site have been described by Blume et al (1986) and Duchaufour (1987) The annual precipitation is 560 mm and the average temperature is 8.4 °C In early October 1960 and 1986 sampling...

Ngày tải lên: 08/08/2014, 23:22

... (Hardin and Black 1968; Anderson and Richart 1976; Kokusho et al 1982; Viggiani and Atkinson 1995; Dasari 1996), strain-dependent shear modulus and damping ratio (Hardin and Drnevich 1972a and 1972b; ... to 0.01% (e.g Hardin and Black 1968; Anderson and Richart 1976; Stokoe and Lodde 1978; Kokusho et al 1982; Georgiannou et al 1991; Viggiani and Atkinson 1995; Diaz-Rodriguez and Lopez-Molina 2008) ... Thiers & Seed 1968), hyperbolic (Duncan and Chang 1970; Hardin and Drnevich 1972b; Pyke 1979; Puzrin et al 1995; Rao and Panda 1999; Liu and Ling 2006) and Ramberg-Osgood type (Richart 1975; Streeter...

Ngày tải lên: 09/09/2015, 11:10