time. The last eruption was in 8051 BC. Mount Garibaldi began erupting about 250‚000 years ago and has grown steadily since then. Like most of the Cascade volcanoes‚ it has its own origins in the Cascadia subduction zone; a long convergent plate boundary that stretches from mid- Vancouver Island to Northern California. The first European to see the mountain in 1792‚ Captain George Vancouver‚ traded with the local natives in the area. When skiing became popular in the 1940s‚ Vancouver skiers began
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Flow‚ Turbulence and Combustion 63: 269–291‚ 1999. © 2000 Kluwer Academic Publishers. Printed in the Netherlands. 269 Approximate Wall Boundary Conditions in the Large-Eddy Simulation of High Reynolds Number Flow W. CABOT and P. MOIN Center for Turbulence Research‚ Stanford University‚ Bldg. 500‚ 488 Escondido Mall‚ Stanford‚ CA 94305-3030‚ U.S.A. Abstract. The near-wall regions of high Reynolds numbers turbulent flows must be modelled to treat many practical engineering and aeronautical
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eroded from the land and was gradually carried to the sea floor. Thousands of feet of carbonate‚ sand‚ and finer grained material loaded onto the submerged continental margin. During the Mississippian the inactive tectonics became active convergent boundaries. The southeast coast of America was now on a collision course with a smaller plate once connected to Africa and South America‚ known as the Caribbean plate. For years and years to come following the convergent plate’s activities; thrust faults and
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1. On theoretical background of Gurney flap Nomenclature Cd = section drag coefficient ; Cl = section lift coefficient ; Cp = pressure coefficient; L = magnitude of lift (downforce); L/D = lift to drag ratio; Rec = Reynolds number based on chord; V0 b c fp Γ ρ = freestream velocity; = span of the foil; = wing chord; = principal frequency; = circulation; = density. 1.1 Overview The Gurney flap is a mechanically simple device consisting of a short strip‚ fitted perpendicular to the pressure surface
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Linear Programming Tools and Approximation Algorithms for Combinatorial Optimization by David Alexander Griffith Pritchard A thesis presented to the University of Waterloo in fulfillment of the thesis requirement for the degree of Doctor of Philosophy in Combinatorics and Optimization Waterloo‚ Ontario‚ Canada‚ 2009 c David Alexander Griffith Pritchard 2009 I hereby declare that I am the sole author of this thesis. This is a true copy of the thesis‚ including any required final revisions
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Aleutian trench? Aleutian trench - is a 2‚100 mi subduction boundary between the Northern and the Pacific plates. 9. What tectonic boundary is this similar to? Nazca Plate diving beneath the South American Plate at the Peru-Chili Trench is similar to Aleutian trench. 10. What two strike-slip tectonic boundaries do they compare? South East Alaska and Western British Columbia strike-slip is compared to San-Andreas boundary in California. 11. What is another name for
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Continental Drift and Plate Tectonics Theory (Part 1a) Introduction: The Beginning of the “Continental Drift Theory” In the middle of the eighteenth century‚ James Hutton proposed a theory‚ uniformitarianism; “the present is the key to the past”. It held that processes such as geologic forces- gradual and catastrophic-occurring in the present were the same that operated in the past. (Matt Rosenberg‚ 2004) This theory coincides with the theory of Continental Drift that was first proposed by Abraham
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Earthquakes and Subduction Zones Lab Amy Paret Mrs. Igo 9th Grade Periods 3 and 4 Even Date: 2/14/13 Background Research: This lab uses earthquake data to construct profiles of two convergent boundaries: the Tonga Trench and the Peru-Chile Trench. Where two tectonic plates converge‚ if one or both of the plates is an oceanic lithosphere‚ a subduction zone will form. When crust is formed at a mid-ocean ridge‚ it is hot and buoyant meaning it has a low density. As it spreads away from the ridge and
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any of the seven players cross the lobby without touching the raider he will be declared as "out". The raider is sent off the field if: • the raider takes a breath before returning. • the raider crosses a boundary line. • a part of the raider’s body touches the ground outside the boundary (except during a struggle with an opposing team member). Each time when a player is "out"‚ the opposing team earns a point. A team scores a bonus of two points‚ called a "lona"‚ if the entire opposing team is
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Spheres are known to have a distinct critical Reynolds number above which the flow on the upstream face of the sphere is fully turbulent causing the drag coefficient to drop dramatically. This is because the turbulent boundary layer results in separation further aft than a laminar boundary layer‚ thus producing a smaller wake. The critical Reynolds number for the three spheres was determined by examining the measured drag coefficient CDp as a function of Reynolds number. To understand the quality of
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