modeling and simulation of suicide bombing for risk assessment
Báo cáo hóa học: " Research Article A Framework for System-Level Modeling and Simulation of Embedded Systems Architectures" ppt
... consumption of the system, and the cost of the architecture This section aims at giving an overview of the formulation of the mapping problem which allows us to quickly search for promising candidate ... end of simulation, the Pearl runtime system outputs a post-mortem analysis of the simulation results For this purpose, it keeps track of some statistical information such as utilization of objects ... mapping step for cosimulation of the two models Since the enumeration of all possible mappings grows exponentially, a designer usually needs a subset of best candidate mappings for further evaluation...
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Variational methods for modeling and simulation of tool tissue interaction
... extension of the linear elastic tensor–mass method for fast computation of nonlinear viscoelastic mechanical forces and deformations for the simulation of biological soft tissues with the aim of developing ... potential of the model for complex structure modeling The restrictions of the model made it only suitable for modeling of lattice shape To conquer the shape constraints of FFD, Extended Free Form Deformation ... and deformation of the organ as well as provide realistic haptic feedback of tool-tissue interaction Advanced modeling algorithms are important for accurate soft tissue deformation modeling and...
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Modeling and simulation of an active robotic device for flexible needle insertion
... axial frictional force and a peak force Frictional force between the needle and the tissue in a uniform form along the shaft produces the axial force, and the cutting force causes a force peak at ... DOFs and the whole system has × n DOFs Constraints on the motion allow revolution of n − joints and forward motion of the first link Thus, DOF of all joints are constrained and total number of ... axial force was the summation of the needle tip force and the frictional force The clamping force affects the value of the frictional force Matsumiya et al [75] presented an experimental study of...
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Modeling and Simulation of Microbial Depolymerization Processes of Xenobiotic Polymers
... distribution of PLA before and after enzymatic degradation Residual amounts of PLA after incubation for and 67 h were 40% and 27%, respectively [17, 18] 301 12 Modeling and Simulation of Microbial ... 12.4 HPLC profiles of PEG before and after the cultivation of the microbial consortium E-1 [11, 12] 289 290 12 Modeling and Simulation of Microbial Depolymerization Processes of Xenobiotic Polymers ... 284 12 Modeling and Simulation of Microbial Depolymerization Processes of Xenobiotic Polymers numerically, and the transition of the weight distribution was simulated [9, 10] Dependence of degradation...
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Case Study in Financial Modeling and Simulation of a Forestry Investment potx
... Analysis of sensitive variables 17 Forestry Modeling Forestry projects are long term Costs and benefits are difficult to predict Growth risks and product types are particular to forestry Modeling ... species, collateral damage at harvest Forestry Risks Timber return: inappropriate pruning and thinning, poor growth, timber usage and fashion changes Sovereign risk: regulatory changes, taxation ... Define and predict the long term benefits 13 Solving the Model Define and predict the long term benefits Asses the risks 14 Solving the Model Define and predict the long term benefits Asses the risks...
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modeling and simulation of systems using matlab and simulink
... studies in the area of modeling and simulation This book aims to • Provide a basic understanding of systems and their modeling and simulation • Explain the step-by-step procedure for modeling using ... of hypotheses Due to advancements in systems engineering for handling complex systems, modeling and simulation have, of late, become popular Modeling and simulation are very important tools of ... understanding of the basic structure of the system Modeling and Simulation of Systems Using MATLAB and Simulink 16 Husband Husband Single person Child Wife Wife (a) (c) (b) FIGURE 1.11 Number of...
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báo cáo hóa học:" Research Article Modeling and Visualization of Human Activities for Multicamera Networks" potx
... the indexed information Visualization and Rendering The visualization subsystem is responsible for synthesizing the output of all of the other subsystems and algorithms and transforming them into ... activities performed by the humans Finally, Section describes the modeling, rendering, and animation of virtual actors for visualization of the sensed data EURASIP Journal on Image and Video Processing ... in which affine transforms are compensated for by locating the center of mass of the features In this paper, we present a test bed for novel visualization of dynamic events of a scene by providing...
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Báo cáo hóa học: "Multiscale modeling and simulation of nanotube-based torsional oscillators" docx
... f2 J1 l1 where f1 and f2 are the frequencies, J1 and J2 the angular moments of inertia of the metal paddles, and l1 and l2 the length of nanotubes in torsional oscillators and 2, respectively ... nm, width of 10.0 nm, and thickness of 3.2 nm Consequently, the angular moment of inertia of the metal paddle is 0.0237e– 36 kg m2 The metal paddle is initially given a twist angle of 10° With ... the length of 4.12 nm connect and support the metal paddle The material of the metal paddle is gold, which has a density of 19,300 kg/m3 The dimensions of the metal paddle are: length of 4.18 nm,...
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An Introduction to Modeling and Simulation of Particulate Flows Part 2 pot
... that of work and energy The differential amount of work done by a force acting through a differential displacement is dW = · dr (1.14) Therefore, the total amount of work performed by a force ... system leads to cancellation of the internal forces For example, consider the external forces EXT and internal forces I N T acting on a single i i member of the system of particles Newton’s second ... Chapter Modeling of particulate flows where v cm (t) is the mean velocity of the group of particles and δv i (t) is a purely fluctuating (about the mean) part of the velocity For the entire group of...
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An Introduction to Modeling and Simulation of Particulate Flows Part 3 pdf
... Tallec and Mouro [131], Zohdi [208], [209], and the extensive works of Farhat and coworkers (Piperno et al [163], Farhat et al [65], Lesoinne and Farhat [130], Farhat and Lesoinne [66], Piperno and ... restoring force (kr), m represents the mass, and the damping ratio is def ζ = d , 2mωn (4.9) d being a constant of damping and f (t) an external forcing term The damped period of natural, force-free ... of methods has recently been developed, based on simultaneous particle flow and growth, by Torquato and coworkers (see, for example, Kansaal et al [119] and Donev et al [55]–[59]) This class of...
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An Introduction to Modeling and Simulation of Particulate Flows Part 4 pot
... Bender and Fenton [25], or Kennedy and Eberhart [120] The field is quite large and encompasses a wide variety of applications, for example, the behavior of flocks of birds, schools of fish, flow of traffic, ... targets and obstacles as well as attractive forces between the swarm and the obstacles and repulsive forces from the targets Adding attractive forces from the obstacles and repulsive forces from ... the total simulation time is T = 1; where, for example, for each α, α − ≤ α ≤ α + , and for each β, β − ≤ β ≤ β + ; where r ∗ is the position of the target; and where α − , α + , β − , and β +...
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An Introduction to Modeling and Simulation of Particulate Flows Part 5 potx
... parameter; and b is the particle radius For details, see Schmidt [172], for example For the grain sizes and material properties of interest, the term in δH Equation (7.26), mC , indicates that values of ... Tallec and Mouro [131], Zohdi [208], [209], and the extensive works of Farhat and coworkers (Piperno et al [163], Farhat et al [65], Lesoinne and Farhat [130], Farhat and Lesoinne [66], Piperno and ... lim = 10−2 s and a starting time step size of 10−3 s The tolerances of both fields (TOLr and TOLθ ) for the fixed-point iterations were set to 10−6 and the upper limit on the number of fixed-point...
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An Introduction to Modeling and Simulation of Particulate Flows Part 6 pps
... models 4e+08 TOTAL X NORMAL FORCE TOTAL Y NORMAL FORCE TOTAL Z NORMAL FORCE TOTAL X TANGENTIAL FORCE TOTAL Y TANGENTIAL FORCE TOTAL Z TANGENTIAL FORCE 3e+08 2e+08 TOTAL FORCE (N) 1e+08 -1e+08 -2e+08 ... 0.8 0.9 8e+08 TOTAL X NORMAL FORCE TOTAL Y NORMAL FORCE TOTAL Z NORMAL FORCE TOTAL X TANGENTIAL FORCE TOTAL Y TANGENTIAL FORCE TOTAL Z TANGENTIAL FORCE 6e+08 TOTAL FORCE (N) 4e+08 2e+08 -2e+08 ... presence of a fluid medium surrounding the particles We now focus on the modeling and simulation of the dynamics of particles, coupled with a surrounding fluid, while bringing in several of the effects...
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An Introduction to Modeling and Simulation of Particulate Flows Part 7 docx
... size); • a simulation time of s; • an initial time step size of 10−6 s; • an upper limit for the time step size of 10−2 s; • a lower limit for the time step size of 10−12 s; • a target number of internal ... the generation of heat due to the drag forces, the thermal softening of the particles, and the thermal dependency of the fluid viscosity Because the coupling of the various particle and fluid fields ... hundreds, or thousands, of scatterers, the direct use of Maxwell’s equations to describe the flow of energy leads to systems of equations of such complexity that, for all intents and purposes, the...
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An Introduction to Modeling and Simulation of Particulate Flows Part 8 potx
... concepts of species evolution such as reproduction, mutation, and crossover Such methods primarily stem from the work of John Holland (Holland [94]) For reviews of such methods, see, for example, ... initiated research efforts in both industry and academia For a review of CMP practice and applications, see Luo and Dornfeld [143]–[146] It is clear that for the process to become viable and efficient, ... important for the success of many micro- and nanotechnologies, such as integrated circuit fabrication However, the process is still one of trial and error During the last decade, understanding of the...
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An Introduction to Modeling and Simulation of Particulate Flows Part 9 pot
... results for the propagation of the forward scatter of Ix (t)/||I (0)|| for increasingly larger numbers of cells in the sample (Zohdi and Kuypers [223]) Table B.1 Computational results for the forward ... blood and are responsible for the transport of oxygen and carbon dioxide Typically, at a standard altitude, healthy females average about 4.8 million of these cells per cubic millimeter of blood, ... response of large numbers of randomly distributed and oriented RBCs Because the diameter of a typical RBC is on the order of eight microns (d ≈ × 10−6 m), which is much larger than the wavelengths of...
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An Introduction to Modeling and Simulation of Particulate Flows Part 10 potx
... La Ragione, L., and Makse, H 2005 Fluctuations and the effective moduli of an isotropic, random aggregate of identical, frictionless spheres The Journal of Mechanics and Physics of Solids, Vol ... protoplanetary disks and the formation of planetesimals In Proceedings of the 2000 Summer Program—Center for Turbulence Research Stanford University Press, 97–108 [17] Barranco, J and Marcus, P 2005 ... spherocytosis and hereditary elliptocytosis (Eber and Lux [62] and Gallagher [73], [74]) Changes in membrane and cytosolic proteins may affect the state of hydration of the cell and thereby its...
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An Introduction to Modeling and Simulation of Particulate Flows Part 11 pdf
... Computational design of swarms The International Journal of Numerical Methods in Engineering, Vol 57, 2205–2219 [210] Zohdi, T I 2004 Modeling and simulation of a class of coupled thermo-chemomechanical ... Mathematical, Physical and Engineering Sciences, Vol 361, 1021–1043 [212] Zohdi, T I 2004 Modeling and direct simulation of near-field granular flows The International Journal of Solids and Structures, ... Biomaterials, Vol 75B, 351–358 [223] Zohdi, T I and Kuypers, F A 2006 Modeling and rapid simulation of multiple red blood cell light scattering Journal of the Royal Society Interface, Vol 3, 823–831...
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