Presentation 2005/9/30
Development of the Classical Molecular Dynamics Program that Implemented the Chemical Reaction Function
Ryuji MIURA, Hideyuki TSUBOI, Michihisa KOYAMA, Akira ENDO, Momoji KUBO, Carpio Carlos A. Del, Akira MIYAMOTO,
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Abstract(in English) We have implemented a new function to change automatically the electric charge of every atom and potentials between atoms based on pre-established probability during a calculation, within a classical molecular dynamics calculation program, in order to carry out molecular simulation considering chemical reactions. We have developed an exclusive source code for every chemical reaction mechanism of interest. The probability of reaction depends on the distance between atoms. As a result, the new molecular dynamics simulation considering chemical reaction in large-scale systems has been enabled without decreasing computing speed. Furthermore, we have expanded this function to implement the proton conduction when there is a H^+ interchange between water molecules. Consequently, the molecular dynamics calculation for the proton conduction allows to calculate the ion conductivity that agree with experiment results.
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Keyword(in English) Chemical Reaction / Classical Molecular Dynamics / Proton Conduction
Paper # SDM2005-185
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Conference Information
Committee SDM
Conference Date 2005/9/30(1days)
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Registration To Silicon Device and Materials (SDM)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Development of the Classical Molecular Dynamics Program that Implemented the Chemical Reaction Function
Sub Title (in English)
Keyword(1) Chemical Reaction
Keyword(2) Classical Molecular Dynamics
Keyword(3) Proton Conduction
1st Author's Name Ryuji MIURA
1st Author's Affiliation Graduate School of Engineering, Tohoku University()
2nd Author's Name Hideyuki TSUBOI
2nd Author's Affiliation Graduate School of Engineering, Tohoku University
3rd Author's Name Michihisa KOYAMA
3rd Author's Affiliation Graduate School of Engineering, Tohoku University
4th Author's Name Akira ENDO
4th Author's Affiliation Institute of Fluid Science, Tohoku University
5th Author's Name Momoji KUBO
5th Author's Affiliation Graduate School of Engineering, Tohoku University:PRESTO, Japan Science and Technology Agency
6th Author's Name Carpio Carlos A. Del
6th Author's Affiliation Graduate School of Engineering, Tohoku University
7th Author's Name Akira MIYAMOTO
7th Author's Affiliation Graduate School of Engineering, Tohoku University:New Industry Creation Hatchery Center, Tohoku University
Date 2005/9/30
Paper # SDM2005-185
Volume (vol) vol.105
Number (no) 318
Page pp.pp.-
#Pages 3
Date of Issue