Simulation of Gravitational Collapse in General Relativity

7/28/01


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Table of Contents

Simulation of Gravitational Collapse in General Relativity

Outline

Outline

Gravitational Waves and Black Holes

Black Holes

Black Holes

Gravitational Waves

Gravitational Waves

Gravitational Waves

Sources of Gravitational Waves

Binary Black Hole Merger Waveform Estimate

Head-on Black Hole Collision

“Waveform Extraction”

Critical Phenomena

Critical Phenomena

Type II Critical Behavior — SU(2) Yang-Mills field

Type I Critical Behavior

Type I Critical Behavior

Numerical Challenges in Simulating Spacetime

Black Hole Excision

Numerical Challenges

Numerical Challenges

Our Axisymmetric gravitational collapse code

RNPL

RNPL example

PPT Slide

PPT Slide

PPT Slide

RNPL

AMR

AMR

2D AMR “near” critical example

PPT Slide

PPT Slide

PPT Slide

PPT Slide

PPT Slide

Parallel Execution

Sample Uni-Grid Parallelization

DAGH - key features

DAGH

Schematic DAGH example

Sample 16-node parallel run

Data collection, analysis and visualization

DV screenshot

Author: Frans Pretorius

Email: fransp@physics.ubc.ca

Home Page: http://laplace.physics.ubc.ca/People/fransp