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Nano tools for macro problems: multiscale molecular ... - SFGP

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Method 2: Mapping DPD parameters<br />

Single, binary, ternary<br />

energies from MD<br />

Binding energies are<br />

rescaled considering the<br />

number of contacts<br />

tot<br />

E n E n E 2<br />

sys<br />

ii ii<br />

jj jj<br />

n<br />

ij<br />

E<br />

ij<br />

Binding energies from MD<br />

(vdW + Coulomb)<br />

References DPD<br />

Interactions are selected<br />

Equal beads aij 25<br />

Define DPD beads<br />

(head, tail, …) and<br />

recalculate energies<br />

DPD matrix parameters<br />

(scaling from references)<br />

Strong repulsive beads<br />

aij >25<br />

Density profiles from MD =? Density profiles from DPD<br />

Scocchi et al., J. Phys. Chem. B,<br />

(2007), 111, 2143<br />

InMother 2012<br />

Lyon, 20 April 2012 - 13

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