OUTLINE
Computer Simulation of Organic and Biological Molecules
I. Introduction to Computer Simulation
II. Molecular Mechanical Potentials (Forcefields)
- A. Intramolecular (bonding) interactions
- B. Nonbonded interactions
- Electrostatic (Coulomb) interactions
- London-van der Waals interactions
- C. Hydrogen bonds
- D. Constraints and restraints
- E. Hydrophobic interactions
III. Methods for Simulating Large Systems
- A. Nonbond cutoffs
- Shifted and shifted force
- Switching functions
- Neighbor lists
- Charge groups and switching atoms
- B. Boundaries
- Periodic boundary conditions
- Stochastic forces at spherical boundary
- C. Long-range forces
- Ewald sums
- Reaction field method
IV. Statistical Mechanics as Pertains to Simulations
- A. Definitions: phase space, ensembles, probability densities, partition
functions
- B. Ensembles
- Microcanonical ensemble
- Canonical ensemble
- Other ensembles
- C. Ensemble averages and ergodicity
- D. Fundamentals of molecular dynamics and Monte Carlo
V. Monte Carlo
- A. Markov chain
- B. Metropolis method
VI. Molecular Dynamics
- A. Finite difference methods
- Verlet algorithm
- Velocity Verlet algorithm
- Time step
- B. Constraint dynamics
- Fundamental concepts of constraint dynamics
- RATTLE algorithm
- C. Temperature: Maxwell-Boltzmann distribution of velocities
- D. Initialization and equilibration
- E. Temperature control
- Velocity scaling
- Andersen method
- Nosé-Hoover dynamics
- F. Ensembles
VII. Minimization Methods
- A. Steepest descents
- B. Conjugate gradient
- C. Newton-Raphson
- D. Comparison of methods
- E. Simulated annealing
- F. Vibrational frequencies
VIII. Free Energy (Relative)
- A. Perturbation method
- B. Thermodynamic integration
- C. Finite difference thermodynamic integration
IX. Quantum Chemistry
- A. Hartree-Fock molecular orbital theory
- B. Correlation
- C. Semiempirical methods
- D. Density functional theory
- E. Valence bond theory
X. Mixed Quantum Mechanical and Molecular Mechanical Potentials (QM/MM)
- A. Fundamental concepts of QM/MM methods
- B. Empirical valence bond method
XI. Quantum Dynamics
- A. TDSCF
- B. MC-TDSCF
- C. Semiclassical methods
- Gaussian wavepackets
- Path integral methods
XII. Mixed Quantum/Classical Molecular Dynamics
- A. Adiabatic methods
- B. Mixed state/TDSCF methods
- C. Surface hopping methods
- D. Path integral methods