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Palabos手册.pdf
Introduction
What is Palabos?
Functionality covered by Palabos
Authors
Getting help
Getting started with Palabos
Supported Compilers
Installing and compiling the code under Linux and other Unix-like systems
Compilation under alternative operating systems
Open-source libraries which are bundled with Palabos
Recommended open-source software
The examples directory
The Palabos-Python interface
Compiling the Python interface
Example: Compiling the Python interface under Ubuntu Linux
Programming with Palabos
Quick overview: programming guidelines
Non-intrusive program development with Palabos
Fundamental data types
The BlockXD data structures
Lattice descriptors
The dynamics classes
Data processors
Implemented fluid models
Non-thermal Navier-Stokes equations
Thermal flows with Boussinesq approximation
Multi-component and multi-phase fluids
Large eddy simulations
Non-Newtonian fluids
Setting up a problem
Attributing dynamics objects
Initial values of density and velocity
Defining boundary conditions
Overview
Grid-aligned boundaries
Periodic boundaries
Bounce-back
Domain creation from an STL file
Running a simulation
Time cycles of an Palabos program
At which point do you evaluate data?
Other important things to do
Input/Output
Output streams: writing to the terminal and into files
Input streams: reading large data sets from files
Accessing command-line parameters
Reading user input from an XML file
Producing images in 2D and 3D simulations
VTK output for post-processing
Checkpointing: saving and loading the state of a simulation
Data evaluation
Overview
Pipelining data evaluation operators
Particles
Overview
Grid refinement
Overview
Multi-layer grid refinement
Parallelism
Parallel programming approach
Controlling the efficiency
Data processors for non-local operations and couplings between blocks
Using helper functions to avoid explicitly writing data processors
Convenience wrappers for local operations
Writing data processors (or actually, data-processing functionals)
Utilities
Timer
Value tracer
Appendix: list of example programs
Directory examples/showCases
Directory examples/codesByTopic
Appendix: partial function/class reference
Mutable (in-place) operations for simulation setup and other purposes
Non-mutable operations for data analysis and other purposes
Appendix: Copyright and license agreements
Copyright of the Palabos user guide
Copyright and open-source license for Palabos
GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007
Bibliography
Palabos User Guide
Release 1.0 r1
Copyright (c) 2011 FlowKit Ltd
October 28, 2011
CONTENTS
1 Introduction
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1.1 What is Palabos? .
1.2
1.3 Authors .
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1.4 Getting help .
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Functionality covered by Palabos
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2 Getting started with Palabos
Supported Compilers .
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2.1
Installing and compiling the code under Linux and other Unix-like systems . . . . . . . . . . . . . .
2.2
2.3
Compilation under alternative operating systems . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.4 Open-source libraries which are bundled with Palabos . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended open-source software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.5
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The examples directory .
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3 The Palabos-Python interface
3.1
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Compiling the Python interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Example: Compiling the Python interface under Ubuntu Linux . . . . . . . . . . . . . . . . . . . . .
4 Programming with Palabos
4.1 Quick overview: programming guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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4.2 Non-intrusive program development with Palabos
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5 Fundamental data types
5.1
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5.4 Data processors .
The BlockXD data structures .
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Lattice descriptors .
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The dynamics classes
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6 Implemented fluid models
Thermal flows with Boussinesq approximation . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.1 Non-thermal Navier-Stokes equations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2
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6.3 Multi-component and multi-phase fluids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.4
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Large eddy simulations .
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6.5 Non-Newtonian fluids .
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7 Setting up a problem
7.1 Attributing dynamics objects .
7.2
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Initial values of density and velocity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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8 Defining boundary conditions
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8.1 Overview .
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8.2 Grid-aligned boundaries .
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8.3
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8.5 Domain creation from an STL file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Periodic boundaries
Bounce-back .
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9 Running a simulation
9.1
Time cycles of an Palabos program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.2 At which point do you evaluate data? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.3 Other important things to do .
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10 Input/Output
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10.1 Output streams: writing to the terminal and into files . . . . . . . . . . . . . . . . . . . . . . . . .
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10.2 Input streams: reading large data sets from files . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.3 Accessing command-line parameters
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10.4 Reading user input from an XML file . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10.5 Producing images in 2D and 3D simulations
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10.6 VTK output for post-processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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10.7 Checkpointing: saving and loading the state of a simulation . . . . . . . . . . . . . . . . . . . . .
11 Data evaluation
11.1 Overview .
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11.2 Pipelining data evaluation operators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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12 Particles
12.1 Overview .
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13 Grid refinement
13.1 Overview .
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13.2 Multi-layer grid refinement
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14 Parallelism
14.1 Parallel programming approach .
14.2 Controlling the efficiency .
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15 Data processors for non-local operations and couplings between blocks
15.1 Using helper functions to avoid explicitly writing data processors
15.2 Convenience wrappers for local operations
15.3 Writing data processors (or actually, data-processing functionals)
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16 Utilities
16.1 Timer .
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16.2 Value tracer .
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17 Appendix: list of example programs
17.1 Directory examples/showCases . . . . .
17.2 Directory examples/codesByTopic . . . . .
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18 Appendix: partial function/class reference
18.1 Mutable (in-place) operations for simulation setup and other purposes . . . . . . . . . . . . . . . .
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18.2 Non-mutable operations for data analysis and other purposes . . . . . . . . . . . . . . . . . . . . . .
19 Appendix: Copyright and license agreements
19.1 Copyright of the Palabos user guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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19.2 Copyright and open-source license for Palabos . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19.3 GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007 . . . . . . . . . . . .
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Bibliography
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Contents:
Palabos User Guide, Release 1.0 r1
CONTENTS
1
Palabos User Guide, Release 1.0 r1
2
CONTENTS
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