Next: Contents Contents
Thorn GuideDate of Creation:September 03, 2009
- Contents
- Boundary
- Abstract
- Introduction
- The generic boundary interface
- Provided boundary conditions
- Scalar Boundary Condition
- Flat Boundary Condition
- Radiation Boundary Condition
- Copy Boundary Condition
- Robin Boundary Condition
- Static Boundary Condition
- None Boundary Condition
- Appendix: Symmetry and non-local boundary conditions
- Parameters
- Interfaces
- Schedule
- CartGrid3D
- Abstract
- Specifying the Grid Symmetry
- Specifying the Grid Size, Range, and Spacing
- An Example
- Coordinates
- Symmetries for Grid Functions
- Parameters
- Interfaces
- Schedule
- CoordBase
- Abstract
- Introduction
- Coordinate system symmetries
- Coordinate Thorns
- Application thorns
- Coordinate APIs
- Coordinate Schema
- Specifying coordinate systems in the interface.ccl
- Specifying the extent of the physical domain
- Specifying the location of the boundary points
- Driver Issues
- Parameters
- Interfaces
- Schedule
- IOASCII
- IOBasic
- IOUtil
- Introduction
- I/O Methods in Cactus
- Providing Your Own I/O Method
- Standard Parameters
- Saving/Generating Parameter Files
- I/O Modes
- Output of Hyperslab Data
- Data Filenames
- Checkpointing and Recovery in Cactus
- Reading Data from Files into Cactus
- Example Parameter Files
- Providing Your own Checkpointing/Recovery Method
- Parameters
- Interfaces
- Schedule
- InitBase
- LocalInterp
- LocalReduce
- Abstract
- Introduction
- Numerical Implementation
- Using This Thorn
- Reduction Operations
- Parameters
- Interfaces
- Schedule
- MoL
- Abstract
- Purpose
- How to use
- Example
- Time evolution methods provided by MoL
- Functions provided by MoL
- Parameters
- Interfaces
- Schedule
- SymBase
- Abstract
- Introduction
- Registering Symmetry Conditions
- Registering Symmetries for Faces
- Querying Symmetries of Faces
- Symmetry Interpolation
- Tensor Types
- Parameters
- Interfaces
- Schedule
- Time
- html
- BenchADM
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- BenchIO
- html
- HTTPD
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- HTTPDExtra
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- Socket
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- html
- Parameters
- Schedule
- Purpose
- Overview
- Matter Interface
- The Thorns
- Some Useful Thorns in Other Arrangements
- ADM
- ADMAnalysis
- Abstract
- Purpose
- Trace of Extrinsic Curvature
- Determinant of 3-Metric
- Transformation to Spherical Cooordinates
- Computing the Ricci tensor and scalar
- Parameters
- Interfaces
- Schedule
- ADMBase
- ADMConstraints
- ADMCoupling
- ADMMacros
- AHFinder
- Abstract
- Purpose
- Using AHFinder
- Parameters
- General parameters
- Parameters used in evolutions
- Parameters specifying the expansion of the surface in sperical harmonics.
- Looking for three horizons
- Further parameters for the initial guess
- Parameters for surface intergrals
- Parameters indicating symmetries
- Parameters for minimization algorithm
- Parameters for the flow algorithm
- Parameters for output
- Parameters for mask
- Minimal parameter settings
- Hints for parameter settings
- Output to Files
- Some results with the finder
- Parameters
- Parameters
- Interfaces
- Schedule
- CoordGauge
- Einstein
- EvolSimple
- Extract
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Appendix: Regge-Wheeler Harmonics
- Appendix: Transformation Between Cartesian and Spherical Coordinates
- Appendix: Integrations Over the 2-Spheres
- Parameters
- Interfaces
- Schedule
- IDAnalyticBH
- Abstract
- Background
- Schwarzschild
- Kerr
- Misner
- Multiple-throat Misner data
- Brill-Lindquist
- Parameters
- Interfaces
- Schedule
- IDAxiBrillBH
- Abstract
- Purpose
- The Resulting Slice
- 2-D Grid and Interpolation Parameters
- Physical or Conformal Metric
- Debugging Parameters
- Parameters
- Interfaces
- Schedule
- IDBrillData
- Abstract
- Purpose
- Generating Initial Data with IDBrillData
- Notes
- References
- Parameters
- Interfaces
- Schedule
- IDLinearWaves
- IDSimple
- Abstract
- Purpose
- Initial Data for 3-metric and Extrinsic Curvature
- Initial Data for Lapse Function
- Parameters
- Interfaces
- Schedule
- Maximal
- PsiKadelia
- SpaceMask
- Abstract
- The mask bit-field
- Using the mask
- Notes
- Acknowledgements
- Appendix
- Parameters
- Interfaces
- Schedule
- StaticConformal
- TimeGeodesic
- Abstract
- Purpose of the thorn
- Dependencies of the thorn
- Thorn distribution
- Additional information
- Parameters
- Interfaces
- Schedule
- html
- EllBase
- Abstract
- Introduction
- Technical Specification
- ToDo
- Solving an elliptic equation
- Extending the elliptic solver class
- Norms
- Parameters
- Interfaces
- Schedule
- EllPETSc
- Abstract
- Purpose
- Technical Details
- Comments
- General remarks: PETSc within Cactus
- Parameters
- Interfaces
- Schedule
- EllSOR
- html
- DemoInterp
- FleshInfo
- Abstract
- Purpose
- Reduction Operators
- Interpolation Operators
- IO Methods
- Coordinates
- Parameters
- Interfaces
- Schedule
- HelloWorld
- IDWaveMoL
- SampleBoundary
- Abstract
- Introduction
- Obtaining This Thorn
- Some Details
- Using This Thorn
- Parameters
- Interfaces
- Schedule
- SampleIO
- TimerInfo
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- WaveMoL
- WaveToy1DF77
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- WaveToy2DF77
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- html
- BLAS
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- FFTWlib
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- FlexIO
- GSL
- HDF5
- LAPACK
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- LORENE
- PETSc
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- SDF
- html
- jpeg6b
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- IOJpeg
- IOSDF
- html
- PUGH
- Abstract
- Description
- Compilation
- Grid Size
- Periodic Boundary Conditions
- Processor Decomposition
- Understanding PUGH Output
- Useful Parameters
- Parameters
- Interfaces
- Schedule
- PUGHInterp
- Abstract
- Introduction
- PUGHInterp's Implementation of CCTK_InterpGridArrays()
- Comments
- Parameters
- Interfaces
- Schedule
- PUGHReduce
- PUGHSlab
- Abstract
- Introduction
- CCTK Hyperslab API Specification
- Implementation Details
- Parameters
- Interfaces
- Schedule
- html
- IOFlexIO
- Abstract
- Purpose
- IOFlexIO Parameters
- Serial versus Parallel Output
- Output of Hyperslab Data
- Checkpointing & Recovery
- Importing External Data into Cactus with IOFlexIO
- Utility programs provided by IOFlexIO
- Parameters
- Interfaces
- Schedule
- IOHDF5
- Abstract
- Purpose
- IOHDF5 Parameters
- Serial versus Parallel Output
- Output of Hyperslab Data
- IOHDF5 Output Restrictions
- Checkpointing & Recovery
- Importing External Data Into Cactus With IOHDF5
- Building A Cactus Configuration with IOHDF5
- Utility Programs provided by IOHDF5
- Parameters
- Interfaces
- Schedule
- IOHDF5Util
- IOPanda
- Abstract
- What is Panda?
- Why might you want to use Panda?
- Thorn IOPanda
- Comments
- Parameters
- Interfaces
- Schedule
- IOStreamedHDF5
- Abstract
- Purpose
- IOStreamedHDF5 Parameters
- Output of Hyperslab Data
- Checkpointing & Recovery
- Building A Cactus Configuration with IOStreamedHDF5
- Parameters
- Interfaces
- Schedule
- IsoSurfacer
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- html
- TestAllTypes
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestArrays
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestComplex
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestCoordinates
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestFortranDependencies1
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestFortranDependencies2
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestFpointerNULL
- TestFreeF90
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestGlobalReduce
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestInclude1
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestInclude2
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestInterp
- Abstract
- Introduction
- Test Functions
- Output Files
- Running the Tests
- When is a Test Result ``Ok''?
- Parameters
- Interfaces
- Schedule
- TestLocalReduce
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestReduce
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestSchedule
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestStrings
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestTable
- TestTimers
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- TestTypes
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- html
- NaNChecker
- TimerReport
- html
- IDScalarWave
- IDScalarWaveC
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- IDScalarWaveCXX
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- IDScalarWaveElliptic
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- WaveBinarySource
- WaveToyC
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- WaveToyCXX
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- WaveToyExtra
- WaveToyF77
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- WaveToyF90
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- WaveToyFreeF90
- Abstract
- Introduction
- Physical System
- Numerical Implementation
- Using This Thorn
- History
- Parameters
- Interfaces
- Schedule
- html
- Bibliography
- About this document ...
factor and Mass Estimate
and 
Invariants