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Multiple length scales Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000). Molecular dynamics coupled with finite element methods Course grained.

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Presentation on theme: "Multiple length scales Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000). Molecular dynamics coupled with finite element methods Course grained."— Presentation transcript:

1 Multiple length scales Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000). Molecular dynamics coupled with finite element methods Course grained molecular dynamics

2 MEMS MicroElectroMechanical Systems Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000).

3 Hamiltonian for multiple length scales Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000).

4 MD Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000).

5 Tight-binding

6 Finite element

7 Finite element (cont.)

8 Finest mesh for diamond

9 Finite Element/MD handshaking

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11 Course Grained Molecular Dynamics MD on mesh Each mesh point represents 1 or more atoms Node are displaced by dynamics of average forces and masses

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