'Uniform grid' diaporamas de présentation

CHAPTER 12

CHAPTER 12. Finite-Volume (control-Volume) Method-Introduction. 12-1 Introduction (1). In developing what has become known as the finite-volume method, the conservation principles are applied to a fixed region in space known as a control volume, are somewhat interchangeably in the literature.

1.76k views • 160 slides

CHAPTER 12

CHAPTER 12. Finite-Volume (control-Volume) Method-Introduction. 12-1 Introduction (1). In developing what has become known as the finite-volume method, the conservation principles are applied to a fixed region in space known as a control volume, are somewhat interchangeably in the literature.

1.86k views • 160 slides

Acceleration

Acceleration. Digital Image Synthesis Yung-Yu Chuang. with slides by Mario Costa Sousa, Gordon Stoll and Pat Hanrahan. Acceleration techniques. Bounding volume hierarchy. Find bounding box of objects. Bounding volume hierarchy. Find bounding box of objects Split objects into two groups.

1.32k views • 131 slides

Acceleration

Acceleration. Digital Image Synthesis Yung-Yu Chuang 10/8/2009. with slides by Mario Costa Sousa, Gordon Stoll and Pat Hanrahan. Classes. Primitive (in core/primitive.*) GeometricPrimitive InstancePrimitive Aggregate Two types of accelerators are provided (in accelerators/*.cpp)

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Acceleration

Acceleration. Digital Image Synthesis Yung-Yu Chuang 10/11/2007. with slides by Mario Costa Sousa, Gordon Stoll and Pat Hanrahan. Classes. Primitive (in core/primitive.*) GeometricPrimitive InstancePrimitive Aggregate Two types of accelerators are provided (in accelerators/*.cpp)

1.09k views • 108 slides

Non-uniform Grid-based Coordinated Routing

Non-uniform Grid-based Coordinated Routing. Priyanka Kadiyala Major Advisor: Dr. Robert Akl Department of Computer Science and Engineering. Outline. Research objective Overview of sensor networks Related work Motivation Non-uniform grid-based coordinated routing protocol

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Collision Detection

Collision Detection. CSE 191A: Seminar on Video Game Programming Lecture 3: Collision Detection UCSD, Spring, 2003 Instructor: Steve Rotenberg. Collision Detection. Geometric intersection detection Main subjects Intersection testing Optimization structures Pair reduction.

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Introduction to Fluid Simulation

Introduction to Fluid Simulation. Jacob Hicks 4/25/06 UNC-CH. Different Kind of Problem. Can be particles, but lots of them Solve instead on a uniform grid. Particle Mass Velocity Position. Fluid Density Velocity Field Pressure Viscosity. No Particles => New State.

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Advanced Computer Graphics Lecture 4: Faster Ray Tracing

Advanced Computer Graphics Lecture 4: Faster Ray Tracing. David Luebke cs551dl@cs.virginia.edu http://www.cs.virginia.edu/~cs551dl. Administrivia. Read Chapter 9 Verify collection of Exercise 1. Recap. Ray tracing is too slow Chapter 9: Different methods to speed it up

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A Depth-First-Search Controlled Gridless Incremental Routing Algorithm for VLSI Circuits

A Depth-First-Search Controlled Gridless Incremental Routing Algorithm for VLSI Circuits. Hasan Arslan and Shantanu Dutt Electrical & Computer Eng. University of Illinois at Chicago ICCD 2004. Outline. Introduction Importance of Incremental Routing Previous work Our Goals

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Beambeam3D and IMPACT: Development and Applications Ji Qiang Lawrence Berkeley National Laboratory

Beambeam3D and IMPACT: Development and Applications Ji Qiang Lawrence Berkeley National Laboratory. BeamBeam3D. BeamBeam3D. Comprehensive parallel PIC code for modeling colliding beams (weak-strong, strong-strong, head-on, crossing angle, long-range) Recent enhancements

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CMSC 635

CMSC 635. Ray Tracing. Basic idea. How many intersections?. Pixels ~10 3 to ~10 7 Rays per Pixel 1 to ~10 Primitives ~10 to ~10 7 Every ray vs. every primitive ~10 4 to ~10 15. Speedups. Fewer intersections Faster intersections. Fewer Intersections: Algorithmic improvements.

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Adaptive Mesh Refinement MHD for Magnetic Fusion Applications

Adaptive Mesh Refinement MHD for Magnetic Fusion Applications. Ravi Samtaney and Stephen C. Jardin Computational Plasma Physics Group Princeton Plasma Physics Laboratory Princeton University Phillip Colella, Daniel F. Martin, Terry J. Ligocki Applied Numerical Algorithms Group

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Lecture 7

Lecture 7. Grids. Static Grids: Uniform Grids; Cartesian Curvilinear Non-Uniform Grids; Irregular Grids; Dynamic Grids: AMR (Adaptive Mesh Refinement). Grids. Grid Geometry Dependences Form of the Equations Numerical Differentiation Boundary Conditions Why? CPU time Memory

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The Quest for Discrete Convection

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Geometric (Classical) MultiGrid

Geometric (Classical) MultiGrid. Grid:. x=0. x=1. x 0. x 1. x 2. x i. x N-1. x N. local averaging. Let. Linear scalar elliptic PDE (Brandt ~1971). 1 dimension Poisson equation Discretize the continuum. Linear scalar elliptic PDE. 1 dimension Laplace equation

296 views • 15 slides