### Geology has split the Amazon into two distinct forests

Geology has split the Amazon into two distinct forests ... Geological control of floristic composition in Amazonian forests. ... They are doing so using an …

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### Geology has split the Amazon into two distinct forests

Geology has split the Amazon into two distinct forests ... Geological control of floristic composition in Amazonian forests. ... They are doing so using an …

Get Price### Minerals in the gut: scoping a Cambrian digestive system

The preservation of the three-dimensional structure indicates early mineralization prior to the compaction/collapse of the gut. Three-dimensional preservation of the gut is also commonly observed in a variety of taxa from Cambrian (and younger) Lagerstätten indicating the gut is the most readily preserved internal structure.

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Common problems encountered in 3D mapping of geological contacts using high-resolution terrain and image data Article (PDF Available) in European Journal of Remote Sensing 48(48):661-672 ...

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Updated Resource Assessment and 3-D Geological Model of the Mita Geothermal System Guatemala ... activities and a three dimensional (3D) geological model was developed. 2. GEOLOGICAL SETTING ... (MAT) giving rise to a chain of active volcanoes. The boundary between the North American and Caribbean plates is marked by a zone of active ...

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A three dimensional conditional simulation model integrating a comprehensive data base coupled with engineering geological and petrological studies has significantly enhanced reservoir management capabilities in the Schneider (Buda) Field. Presented are the results of a series of conditional simulations of the Schneider (Buda) Field.

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methods for seismic refraction data for one-dimensional models are well established and two- and three-dimensional methods including tomography have recently been developed. Seismic reflection data provide the highest resolution of crustal structure and have provided many important geological insights in the past decade. The acquisition and

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geological formations or deposits or other tests or criteria. ... construction of a control unit consisting of 4 cu. yd [3 cu. m] of riprap as a reference for size and quality ... to provide concrete armor units. Assemble the units with the two individual halves forming a three dimensional cross with six symmetrical legs. Assemble multiple ...

Get Price### 3 arXiv:cond-mat/0402461v1 [cond-mat.dis-nn] 18 Feb 2004

two-dimensional however the dynamics of the systems the motion of material elements deformation and stress states are three-dimensional which allows for a rich vari-ety of failure modes. In this letter we present a theoretical and experimental study of the fragmentation of closed brittle shells arising due to an excess load inside the shell.

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Three-D views include perspective plots mesh diagrams or raised contours with adjustable viewing point. It is very easy to produce a fully finished and annotated map with the new Easy Map option. Full control of output size. Supports color and user control of control and contour labels.

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An elastic-plastic contact (EPC) solution and code is developed using a modified semi-analytical method. The indentation tests with different hardening behavior are simulated by using the developed EPC code.

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The invention relates to marine geological electrical exploration with the use of a dipole source of rectangular current pulses. The measurements are carried out by means of a measuring device consisting of five electrodes i.e. a central electrode and four electrodes disposed around it at the summits of a square the opposite sides of which square are positioned in parallel to the axis of the ...

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Outcrop photographs of the Khartam Member at outcrop are compared with the large scale features of the three dimensional (3D) facies model. (a) Two dimensional (2D) N-S vertical slice from the 3D facies model. (b) (c) and (d) 2D outcrop photographs with lithofacies illustration showing stacking pattern similar to the 3D facies model.

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Three-dimensional structural stratigraphic and velocity models by integrating geology two-dimensional seismic and well data: Example from Amazonas Paleozoic Basin - Brazil

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tal level geological processes are governed by the mechanisms that control the nanoscale distribution and mobility of atoms within min- ... ion trajectories to generate a three-dimensional point-cloud or ‘atom map’ (Fig. 1c). Importantly for geochemical studies thedetector arrival ...

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For example if the model geological body is a pore the total porosity values of the three models are similar; hence D C does not distinguish any fractal difference in the pores of the three models. If the model geological body is a fault/fracture the surface densities of the fault/fractures of the three models are similar; therefore D C ...

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PR: Grade C or better in MAT 1103 or Math ACT of 25 or above or new SAT Math of 30 or above. Course fee. MAT 2223 Math for Elementary Teachers II Properties of two- and three-dimensional geometric figures similarity and congruence common and metric …

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Mat Chivers - British visual artist Mat Chivers looks at some of the fundamental phenomena that drive our thoughts and actions - exploring ideas relating to perception cognition evolutionary process ecology and …

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ciples (such as deployment localization topology control and routing) for ocean sensor networks. Notice that most existing wireless sensor network sys-tems and protocols are based on two-dimensional (2D) design where all sensor nodes are distributed in a two dimensional plane. …

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The sum of all the chemical reactions occurring within a cell or organism. * Reactions responsible for building up larger molecules are anabolic and include the synthesis of organic polymers from monomers.Reactions responsible for breaking down larger molecules are catabolic and include the digestion of organic polymers (food like carbohydrates and proteins) into their monomer subunits.

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MeltMigrator is a MATLAB ® ‐based melt migration software developed to process three‐dimensional mantle temperature and velocity data from user‐supplied numerical models of mid‐ocean ridges calculate melt production and melt migration trajectories in the mantle estimate melt flux along plate boundaries and predict crustal thickness distribution on the seafloor.

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FIG. 4 is an example plot of a three-dimensional model of a subsurface tar mat or body in a field containing hydrocarbon production reserves. FIGS. 5 and 6 are example plots formed according to the present invention of subsurface formations and the location of a well bore in the area of the tar body shown in the model of FIG. 4.

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This study uses a three-dimensional groundwater flow model to investigate groundwater dynamics and groundwater—surface water (GW-SW) interactions considering the effects of permafrost distribution for the Tanana Flats Basin in interior Alaska. The Parameter ESTimation (PEST) code is used to calibrate the model with observed stream discharge data.

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Calcification in human arterial disease and geological specimens: The nannobacterial (nanoparticle) link AUTHORS Robert L.Folk1 Brenda L. Kirkland2 Jeri C. Rodgers3 and George P. Rodgers4 1Jackson School of Geosciences University of Texas at Austin Austin Texas 78712 U.S.A. Email: [email protected]

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linkage of a three-dimensional atomic structure with a chemical composition each of which can vary slightly but not independently. ... chemically control the properties of bone. We also discuss why the apatite phase in bone should not be called hydroxylapatite as well as the limitations to the use of ... Geological apatite which is the most ...

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3D Geological Modelling. Model your geology data faster and more effectively within ArcMap and work with Esri file formats and three-dimensional geosurface files across both Geosoft and Esri platforms. Quickly join together section interpretations to build wireframes and create multiple isosurfaces.

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(ChLRJIS 4 Hazard Identification Assessment and Mapping Hazard Analysis Recognition of the presence of active or poten-tial slope movement and of the types and causes of the movement is essential to land-slide mitigation. Recognition depends on an accurate evaluation of the geology hydrogeol-ogy landforms and interrelated factors such as

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mat. Binary files are generally not portable and therefore are not provided in this report. ... Output control data MODPATH main package data Recharge data River and stream data Strongly implicit ... from the U.S. Geological Survey modular three- dimensional finite-difference ground-water-flow model: U.S. Geological Survey Open-File Report

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Past Fieldtrips & Workshops. Less Frequented Springs of the Austin Area. February 25 2017. On Saturday February 25th AGS had a fieldtrip led by Al Cherepon Scott Hiers and Sylvia Pope to springs that are not typically on the tourist or geologist route.

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Past Fieldtrips & Workshops. Less Frequented Springs of the Austin Area. February 25 2017. On Saturday February 25th AGS had a fieldtrip led by Al Cherepon Scott Hiers and Sylvia Pope to springs that are not typically on the tourist or geologist route.

Get Price### Controlled Continuous Patterning of Polymeric Nanofibers ...

We report on a continuous method for controlled electrospinning of polymeric nanofibers on two-dimensional (2D) and three dimensional (3D) substrates using low voltage near-field electrospinning (LV NFES). The method overcomes some of the drawbacks in more conventional near-field electrospinning by using a superelastic polymer ink formulation.

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The ability to generate homogeneous particulate thin films of highly oriented and highly porous microparticles of a post transition metal oxide onto polycrystalline and single-crystalline substrates at low cost by a template-free aqueous low-temperature coating process is demonstrated by the fabrication of a large three-dimensional array of perpendicularly oriented hexagonal microtubes of ...

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Two-dimensional interface cracks in anisotropic bimaterials have been studied extensively in the literature. However solutions to three-dimensional interface cracks in anisotropic bimaterials are not available. In this paper a penny-shaped crack on the interface between two anisotropic elastic half-spaces is considered.

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1997). Geocells are three-dimensional mats of polymeric material that are shipped to the job site in a collapsed configuration. They are expanded in an accordion-like fashion and filled with soil to form a three-dimensional mat consisting of a honeycomb of interconnected cells (Figure 1). In a pavement system a mat of soil-filled

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Three-dimensional temperature field simulation of a cooling of a magma chamber La Primavera caldera Jalisco Mexico ... plate MAT Downloaded by [UNAM Ciudad Universitaria] at 08:35 10 April 2012 W 106 102 98 Figure 1. ... Major geological faults and fractures and the subdivision of the MVB (after Verma et al. 2011b) are also shown ...

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Three-dimensional mantle flow pattern near the flat-slab section of the Mexican subduction zone Juan Carlos Rosas1 Felipe Cruz Pimentel1 Claire Currie1 Jiangheng He2 1 Department of Physics University of Alberta Edmonton AB Canada 2 Paci˜c Geosciences Centre Canadian Geological Survey Sidney BC …

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----- EPA-R2-72-015 August 1972 GUIDELINES FOR EROSION AND SEDIMENT CONTROL PLANNING AND IMPLEMENTATION The Department of Water Resources State of Maryland Annapolis Maryland and Burton C. Becker Thomas R. Mills Hittman Associates Inc. 9190 Red Branch Road Columbia Maryland 210^5 Project 15030 FMZ Prepared for OFFICE OF RESEARCH AND MONITORING U.S. …

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This course is a three-dimensional vector treatment of the static equilibrium of particles and rigid bodies. Topics include: equivalent force and coupled systems static analysis of trusses frames machines friction properties of surfaces and rigid bodies particle kinematics path variables cylindrical coordinates and relative motion.

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A wavelet-based data compression method for three-dimensional numerical simulations on regular grids ... we investigate the control of initial lateral geometrical variation on the evolution of geological structures. We perform 2D and 3D numerical simulations of the emplacement of tectonic nappes. ... (MAT) Title: Control of fault weakening on ...

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resulting three dimensional conditional simulation delin-eates permeabilitydistributionsthat better: 1)representthe calculated heterogeneity2) match the available core data and 3) model the geologic characterization.including the defhd facies. The resulting distdbutioms have been applied to a three dimensional fluid flow simulation to

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In this case the tigations of the three-dimensional linkage of fault arrays variation in d/L ratios is simply a function of natural started to become more common (e.g. Couzens and variations in fault shape and slip distribution as has been Diegel 1995; Childs et al. 1995; Mansfield and Cart- noted by previous workers (e.g. Walsh and ...

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Two dimensional data can be presented a numbers on a map as contours or they can be colorized according to the data value. The basic Matlab command is contour. It is possible to control the number and value of contour lines and to control whether or not they are labelled and the orientation of the labels. The basic form of contour has ...

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Abstract: Three-dimensional (3D) laser scanning data can be used to characterize discontinuous rock masses in an unbiased rapid and accurate manner. With 3D laser scanning it is now possible to measure rock faces whose access is restricted or rock slopes along highways or railway lines where working conditions are hazardous.

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Modern systems show that mat biogeochemistry is the outcome of concerted activities and intimate interactions between various microbial metabolisms. ... highlights how ecological and geochemical processes can control O 2 production in cyanobacterial mats in unexpected ... Three-dimensional geometry of the base of the two brachiopod lophophore ...

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Numerical analysis of topological characteristics of three-dimensional geological models of oil and gas fields. Mathematical Modeling 25:10 (2013) 19-31. (Russian) (with Ya.V. Bazaikin V.A. Baikov and A.A. Yakovlev) Faddeev eigenfunctions for two-dimensional Schrodinger operators via …

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The deep anoxic shelf of the northwestern Black Sea has numerous gas seeps which are populated by methanotrophic microbial mats in and above the seafloor. Above the seafloor the mats can form tall reef-like structures composed of porous carbonate and microbial biomass. Here we investigated the spatial patterns of CH4 and CO2 assimilation in relation to the distribution of ANME groups and ...

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and a three dimensional (3D) geological model was developed. 2. Geological Setting 2.1 Tectonic Setting The Mita area in southern Guatemala is located near the intersection of the North American Cocos and Caribbean plates (Figure 1). To the southwest the Cocos plate is being subducted beneath Central America along the Middle America Trench

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Two new three-dimensional rock mass strength criteria are developed in this paper by extending an existing rock mass strength criterion. These criteria incorporate the effects of the intermediate principal stress minimum principal stress and the anisotropy resulting …

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Mat dry weight was determined by weighing three replicate mat pieces before and after freeze drying for 48 h. Mat density was determined by weighing three replicate mat pieces whose volume was known (1 cm −3). Water drops were gently removed from the mat …

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spectroscopy appears to be at 110 K8 from nuclear magnetic resonance at 170 K9 from He-atom scattering at 200 K10 from electrical conductivity measurements at 253 K11 and from ellipsometry at 271 K.1213 QLL thickness and the onset of surface melting are a ected by experimental conditions e.g. vapor pressure14 and by the energy exchanged between the ...

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Three-dimensional finite-difference model to simulate multiphase groundwater flow and heat transport in the temperature range of 0 to 1200 degrees Celsius INFIL3.0 (Win) Version 1.0 2008/06/19 A grid-based distributed-parameter watershed model to estimate net infiltration below the root zone

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Three-dimensional geological modelling and multivariate statistical analysis of water chemistry data to analyse and visualise aquifer structure and groundwater composition in … M Raiber PA White CJ Daughney C Tschritter P Davidson ...

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Interpolation of spatial data is a very general mathematical problem with various applications. In geostatistics it is assumed that the underlying structure of the data is a stochastic process which leads to an interpolation procedure known as kriging.

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Four-dimensional multiview photogrammetry also known as structure from motion (4D SfM) provides a method for generating three-dimensional reconstructions of landscapes at two times (before and after events) using only photos and existing information for ground control points.

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Gravity Magnetic and Seismic Studies of the Silver Cliff and Rosita Hills Volcanic Area Colorado (Geophysical field investigations) (Geological Survey Professional Paper 726-F) ... Three-dimensional modeling of the gravity data ... SILVER CLIFF AND ROSITA HILLS VOLCANIC AREA COLORADO F3 are surrounded by outcrops of Precambrian crystalline

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Three-dimensional P-wave velocity structure on the shallow part of the Central Costa Rican Pacific margin from local earthquake tomography using off- and onshore networks ... (MAT) off Costa Rica and Nicaragua has been the focus during the first stage of the project SFB574 ‘Volatiles and Fluids in Subduction Zones’ which aims to better ...

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Origins and development of 3D-BASIS (3-Dimensional BASe Isolated Structures) was initially envisioned by the need for an efficient tool for nonlinear dynamic analysis of three-dimensional base isolated structures particularly in solving the the highly nonlinear bidirectional stick-slip hysteretic response of a collection of sliding isolation ...

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APT provides three-dimensional trace element and isotopic analysis with sub-nanometer spatial resolution. It has been used for many years in engineering and materials science but has not been applied to geological materials because traditional APT …

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Much of the Archean record of microbial communities consists of fossil mats and stromatolites. Critical physical emergent properties governing the evolution of large-scale (centimeters to meters) topographic relief on the mat landscape are (a) mat surface roughness relative to the laminar sublayer and (b) cohesion.These properties can be estimated for fossil samples under many circumstances.

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Dictionary of geological terms. Definitions of terminology used in geology. ... usually lasting several million years. algal mat - A layered communal growth of algae observed in fossils and in present day ... or slow continuous downslope creep. compactions - Fossils that have undergone some degree of flattening of their three-dimensional ...

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Three-Dimensional Elastic-Plastic Finite-Element Analysis of the Flattening of Wire Between Plain Rolls* ... Three-Dimensional Elastic-Plastic Finite-Element Analysis of the Flattening of Wire Between Plain Rolls* ... Extraction of Three-Dimensional Parameters for Weld Pool Surface in …

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A Three-Dimensional Inverse Problem of Estimating the Surface Thermal Behavior of the Working Roll in Rolling Process ... A Three-Dimensional Inverse Problem of Estimating the Surface Thermal Behavior of the Working Roll in ... Hsu P Yang Y Chen C. A Three-Dimensional Inverse Problem of Estimating the Surface Thermal Behavior of the Working ...

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River Engineering Structures – Hybrid hydraulic modeling which couples physical modeling with numerical simulations is being used to evaluate the influence of varying design parameters for in-stream rock structures on flow velocity and turbulence fields where flow conditions are highly three-dimensional.

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earthquake using a three-dimensional velocity model and arrival time data recorded by a temporary local network of land and ocean bottom seismometers. We use aftershock locations to define the geometry and characteristics of the seismogenic zone in this region. These events define a plane dipping at 19 that marks the interface between the Cocos

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Describing the free-field ground motion at a site for SSI analysis purposes entails specifying the point at which the motion is applied (the control point) the amplitude and frequency characteristics of the motion (referred to as the control motion and typically defined in terms of ground response spectra and/or time histories) the spatial ...

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Denali (/ d ɪ ˈ n ɑː l i /) (also known as Mount McKinley its former official name) is the highest mountain peak in North America with a summit elevation of 20310 feet (6190 m) above sea level.With a topographic prominence of 20156 feet (6144 m) and a topographic isolation of 4629 miles (7450 km) Denali is the third most prominent and third most isolated peak on Earth after Mount ...

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“ Forward Model Based Computational Polarized Light Microscopy of Optically Uniaxial Materials” J. Mat. Char. (2019 (in preparation)). ... W.C. Lenthe J. de Jaeger M. De Graef N. Bozzolo and T.M. Pollock. Three dimensional structure of annealing twin boundaries in a gamma-gamma’ nickel-based superalloy. ... M. Li M. De Graef and V ...

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CFD Analysis and Overheating Control of a Turbine. International Journal of Thermal Sciences Vol. 43 (2004) pp. 1119-1124. E. Aulisa S. Manservisi R. Scardovelli. A surface marker algorithm coupled to an area-preserving marker redistribution method for three-dimensional interface tracking.

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mapping must reflect this control. The graphical techniques involved in this work require use of a variety of graphics carefully designed to assist the map user in visualizing the subsurface. _____ I. SUBSURFACE MAPPING: A QUESTION OF POSITION AND INTERPRETATION The use of three dimensional data for top-ographic mapping at the Earth’s surface ...

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of clarity the Galerkin method relies here on a two-dimensional nodal mesh (corresponding to mapping the xyplane surrounding a dislocation aligned along the zaxis). In doing so the method allows us to also take into account several potential glide planes simultaneously and thus calculate complex (possibly three-dimensional) dislocation cores.

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Three-dimensional bonded particle model and boundary conditions. (a) Schematic diagram illustrating the largest and smallest particles used bonded by linear elastic cement which completely fills the throat between the particles. (b) Three-dimensional view and section of …

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