| Contents | |
| 1. Introduction | 1 |
| 2. Simulation Methods | 5 |
| 2.1. Quantum Mechanics | 5 |
| 2.2. Atomistic Techniques | 6 |
| 2.2.1. Monte Carlo | 7 |
| 2.2.2. Molecular Dynamics | 8 |
| 2.3. Mesoscale Techniques | 9 |
| 2.3.1. Brownian Dynamics | 10 |
| 2.3.2. Dissipative Particle Dynamics | 11 |
| 2.3.3. Lattice Boltzmann | 12 |
| 2.4. Macroscale Techniques | 14 |
| 2.4.1. Finite Element Method | 15 |
| 2.4.2. Finite Volume Method | 17 |
| 3. Multiscale Strategies | 19 |
| 3.1. Sequential Multiscale Approaches | 19 |
| 3.1.1. Systematic Coarse-Graining Methods | 22 |
| 3.1.1.1. Low Coarse-Graining Degrees | 23 |
| 3.1.1.2. Medium Coarse-Graining Degrees | 26 |
| 3.1.1.3. High Coarse-Graining Degrees | 29 |
| 3.1.2. Reverse Mapping | 30 |
| 3.2. Concurrent Multiscale Approaches | 33 |
| 3.2.1. The Concept of Handshaking | 34 |
| 3.2.2. Linking Atomistic and Continuum Models | 35 |
| 3.2.2.1. Quasicontinuum Approach | 37 |
| 3.2.2.2. Coarse-Grained Molecular Dynamics | 39 |
| 3.2.2.3. Finite-element/Atomistic Method | 39 |
| 3.2.2.4. Bridging Scale Method | 40 |
| 3.2.2.5. Applications in Polymeric Materials | 41 |
| 3.3. Adaptive Resolution Simulations | 42 |
| 3.3.1. The Adaptive Resolution Scheme | 43 |
| 3.3.2. The Hamiltonian Adaptive Resolution Scheme | 45 |
| 3.4. Extending Atomistic Simulations | 47 |
| 4. Conclusions and Outlooks | 49 |
| Appendix A. Acronyms and Nomenclature | 51 |
| References | 56 |