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20231223054250.0 |
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231223s2004 xx ||||| 00| ||eng c |
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|a pubmed24n0502.xml
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|a (DE-627)NLM150635257
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|a (NLM)15389744
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Netzloff, Heather M
|e verfasserin
|4 aut
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| 245 |
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|a Fast fragments
|b the development of a parallel effective fragment potential method
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|c 2004
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 22.11.2004
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|a Date Revised 29.09.2004
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a Copyright 2004 Wiley Periodicals, Inc.
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|a The Effective Fragment Potential (EFP) method for solvation decreases the cost of a fully quantum mechanical calculation by dividing a chemical system into an ab initio region that contains the solute plus some number of solvent molecules, if desired, and an "effective fragment" region that contains the remaining solvent molecules. Interactions introduced with this fragment region (for example, Coulomb and polarization interactions) are added as one-electron terms to the total system Hamiltonian. As larger systems and dynamics are just starting to be studied with the EFP method, more needs to be done to decrease the calculation time of the method. This article considers parallelization of both the EFP fragment-fragment and mixed quantum mechanics (QM)-EFP interaction energy and gradient computation within the GAMESS suite of programs. The iteratively self-consistent polarization term is treated with a new algorithm that makes use of nonblocking communication to obtain better scalability. Results show that reasonable speedup is achieved with a variety of sizes of water clusters and number of processors
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|a Journal Article
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|a Gordon, Mark S
|e verfasserin
|4 aut
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|i Enthalten in
|t Journal of computational chemistry
|d 1984
|g 25(2004), 15 vom: 30. Nov., Seite 1926-35
|w (DE-627)NLM098138448
|x 1096-987X
|7 nnns
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| 773 |
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|g volume:25
|g year:2004
|g number:15
|g day:30
|g month:11
|g pages:1926-35
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|a GBV_ILN_350
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|a AR
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|d 25
|j 2004
|e 15
|b 30
|c 11
|h 1926-35
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