multiple length scales
DESCRIPTION
Multiple length scales. Molecular dynamics coupled with finite element methods Course grained molecular dynamics. Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000). M icro E lectro M echanical S ystems. MEMS. Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000). - PowerPoint PPT PresentationTRANSCRIPT
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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 molecular dynamics
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MEMS
MicroElectroMechanical Systems
Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000).
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Hamiltonian for multiple length scales
Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000).
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MD
Rudd and Broughton, phys. stat. sol. (b) 217, 251 (2000).
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Tight-binding
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Finite element
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Finite element (cont.)
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Finest mesh for diamond
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Finite Element/MD handshaking
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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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