Introduction to Scientific Computing II Molecular Dynamics – Introduction Dr. Miriam Mehl Institut...
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Transcript of Introduction to Scientific Computing II Molecular Dynamics – Introduction Dr. Miriam Mehl Institut...
Introduction to Scientific
Computing II
Molecular Dynamics – Introduction
Dr. Miriam Mehl
Institut für
Informatik
Scientific Computing
In Computer Science
Molecular Dynamics – Overview
• modelling
• numerical methods
• implementation
Hierarchy of Models
coarsegalaxies
fineatoms
lengthtime
1032
Applications for Micro and Nano Simulations
lab-on-a-chip,used in brewingtechnology,Siemens
Applications for Micro and Nano Simulations
flow through a nanotube
Applications for Micro and Nano Simulations
electron density of actin
Applications for Micro and Nano Simulations
human haemoglobin
Applications for Micro and Nano Simulations
Bornitrid
Essentials From Continuum Mechanics
• liquids/gases
• continuous
• homegeneous
microscale upward cc
The Hard Sphere Model
• atoms = spheres/balls
• fixed: solid
• not fixed: liquid/gas
Quantum Mechanics
• Schrödinger equation
• nuclei/electrons
• high-dimensional
Classical Molecular Dynamics
• approximation of QM
• molecules as particles
• Newton‘s equations of motion
• forces/interactions potentials
• macroscopic + Brownian motion