Book for someone new to N-Body Simulations

In summary, the conversation discusses the topic of N-Body simulations in the context of cosmology. The speaker expresses their interest in conducting an N-Body simulation in the future, but lacks experience in this area. They mention that they are currently learning Python and ask for suggestions on introductory books on N-Body simulations. The responder suggests two potential resources, a scholarpedia article and a book by Sverre J. Aarseth, and also mentions two other books by Donald Greenspan that may be helpful. They also suggest looking into parallel computing with CUDA or OpenCL.
  • #1
ElPimiento
17
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Hi,
I'm interested in research on the formation of dark matter halos and was hoping that I might, in the future, run an N-Body simulation on the subject. However, I do not have any experience with N-Body simulations. I only know C, but I am learning Python.
So, does anyone have a suggestion for an introductory book on N-Body simulations (in a cosmological context)?

thanks,
Pimiento
 
  • #3
Currently I'm thinking either this scholarpedia article or N-Body Simulations: Tools and Algorithms, by Sverre J. Aarseth is a good place to start.
 
  • #4
Not sure about the cosmological context but either of the books by Donald Greenspan are pretty good:
N-Body Problems And Models
Molecular And Particle Modelling Of Laminar And Turbulent Flows

Also if you are trying to get into parallel computing look at CUDA or OpenCL.
 
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Likes ElPimiento

1. What exactly is an N-Body Simulation?

An N-Body Simulation is a computer model that simulates the motion of a group of objects interacting with each other through gravitational forces. It is commonly used in astrophysics, cosmology, and other fields to study the movement and behavior of large groups of particles or bodies.

2. What are some real-world applications of N-Body Simulations?

N-Body Simulations have a wide range of applications, including predicting the movement of celestial bodies such as planets and stars, studying the formation of galaxies and clusters of galaxies, and simulating the behavior of gases in the atmosphere.

3. What are the main challenges in creating an N-Body Simulation?

One of the main challenges in creating an N-Body Simulation is accurately representing the complex interactions between a large number of particles or bodies. This requires advanced mathematical algorithms and high-performance computing to handle the massive amounts of data and calculations involved.

4. Are there any limitations to N-Body Simulations?

Yes, there are some limitations to N-Body Simulations, such as the simplifications and assumptions made in the model, the finite amount of computing power available, and the inherent uncertainty in predicting the behavior of complex systems.

5. How can I get started with N-Body Simulations?

To get started with N-Body Simulations, you can begin by learning the basics of astrophysics and computer programming, as well as familiarizing yourself with the mathematical concepts and algorithms used in these simulations. There are also many online resources, tutorials, and software programs available to help beginners get started.

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