SPH Simulations

Download
Share  Add to  Flag Embed
Views:
 
Category: Science & Tech..
     
 
License:   All Rights Reserved

Presentation Description

Description of Smooth Particle Hydrodynamic Simulations of Accretion Disks of Cataclysmic Variable Star systems.

Comments

Presentation Transcript

Slide 1: 

by Eleanor Nolan MSc. in Astronomy National University of Ireland, Galway Florida Institute of Technology, Melbourne, Florida Numerical Simulations of Superhumps in Cataclysmic Variables

Slide 2: 

Introduction –What is a CV? Binary System with White Dwarf Roche Lobe filling Secondary Mass Transfer Accretion Stream Accretion Disk Bright Spot

Slide 3: 

Systems with 0.02 ≥ q ≤ 0.25 Constant High Mass Transfer Rates High Viscosity AM CVns and nova-likes Superhumps

SPH Code : 

Lagrangian Fluid Method: Viscosity Mass Ratio Particle Size Disk Temperature Disk Inclination Ray Trace: No. of Particles SPH Code

Slide 5: 

Numerical Simulations of an Accretion Disk CV reference library Emission Line Profiles Trailed Spectrograms Light Curves

Results : 

Results Emission Line Profiles Light Curve

Trailed Spectrograms : 

Trailed Spectrograms

Results : SW Sex Star : 

Results : SW Sex Star

Florida Antics : 

Florida Antics

Acknowledgements : 

Science Faculty Funding FAS Professor Mike Redfern, NUIG Dr. Matt Wood, FIT Acknowledgements