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Extending and Modifying LAMMPS Writing Your Own Source Code

You're reading from   Extending and Modifying LAMMPS Writing Your Own Source Code A pragmatic guide to extending LAMMPS as per custom simulation requirements

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Product type Paperback
Published in Feb 2021
Publisher Packt
ISBN-13 9781800562264
Length 394 pages
Edition 1st Edition
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Authors (2):
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Jichen Li Jichen Li
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Jichen Li
Dr. Shafat Mubin Dr. Shafat Mubin
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Dr. Shafat Mubin
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Table of Contents (21) Chapters Close

Preface 1. Section 1: Getting Started with LAMMPS
2. Chapter 1: MD Theory and Simulation Practices FREE CHAPTER 3. Chapter 2: LAMMPS Syntax and Source Code Hierarchy 4. Section 2: Understanding the Source Code Structure
5. Chapter 3: Source Code Structure and Stages of Execution 6. Chapter 4: Accessing Information by Variables, Arrays, and Methods 7. Chapter 5: Understanding Pair Styles 8. Chapter 6: Understanding Computes 9. Chapter 7: Understanding Fixes 10. Chapter 8: Exploring Supporting Classes 11. Section 3: Modifying the Source Code
12. Chapter 9: Modifying Pair Potentials 13. Chapter 10: Modifying Force Applications 14. Chapter 11: Modifying Thermostats 15. Assessments 16. Other Books You May Enjoy Appendix A: Building LAMMPS with CMake 1. Appendix B: Debugging Programs 2. Appendix C: Getting Familiar with MPI 3. Appendix D: Compatibility with Version 29Oct20

Chapter 1: MD Theory and Simulation Practices

This chapter introduces the theory behind molecular dynamics (MD) and some common simulation practices. Starting from Newton's laws, we outline the physics behind the dynamics of point particles and rigid bodies, discuss iterative updating and the relevance of temperature, and end by listing computational practices.

In this chapter, we will cover the follow topics:

  • Introducing MD theory
  • Understanding the dynamics of point particles
  • Performing iterative updates using the Velocity Verlet algorithm
  • Understanding rotational motion
  • Examining temperature and velocity distribution of particles
  • Implementing MD simulation practices including cutoff, periodic boundaries, and neighbor lists

By the end of this chapter, you will have grasped an understanding of the theoretical fundamentals implemented in MD software.

You have been reading a chapter from
Extending and Modifying LAMMPS Writing Your Own Source Code
Published in: Feb 2021
Publisher: Packt
ISBN-13: 9781800562264
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