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N-dimensional switch function for energy conservation in multiprocess reaction dynamics

dc.contributor.authorMogo, César
dc.contributor.authorBrandão, J.
dc.date.accessioned2017-04-07T15:56:28Z
dc.date.available2017-04-07T15:56:28Z
dc.date.issued2016-06
dc.description.abstractThe MReaDy program was designed for studying Multiprocess Reactive Dynamic systems, that is, complex chemical systems involving different and concurrent reactions. It builds a global potential energy surface integrating a variety of potential energy surfaces, each one of them representing an elementary reaction expected to play a role in the chemical process. For each elementary reaction, energy continuity problems may happen in the transition between potential energy surfaces due to differences in the functional form for each of the fragments, especially if built by different authors. A N-dimensional switch function is introduced in MReaDy in order to overcome such a problem. As an example, results of a collision trajectory calculation for H-2 + OH -> H3O are presented, showing smooth transition in the potential energy, leading to conservation in the total energy. Calculations for a hydrogen combustion system from 1000 K up to 4000 K shows a variation of 0.012% when compared to the total energy of the system. VC 2016 Wiley Periodicals, Inc.
dc.identifier.doi10.1002/jcc.24361
dc.identifier.issn0192-8651
dc.identifier.urihttp://hdl.handle.net/10400.1/9426
dc.language.isoeng
dc.peerreviewedyes
dc.relation.isbasedonWOS:000375936700011
dc.titleN-dimensional switch function for energy conservation in multiprocess reaction dynamics
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage1524
oaire.citation.issue16
oaire.citation.startPage1521
oaire.citation.titleJournal of Computational Chemistry
oaire.citation.volume37
person.familyNameBrandão
person.givenNameJoão
person.identifier.ciencia-id501B-3366-CB7B
person.identifier.orcid0000-0003-3047-7793
person.identifier.ridA-6390-2010
person.identifier.scopus-author-id7004555284
rcaap.rightsrestrictedAccess
rcaap.typearticle
relation.isAuthorOfPublication0f614a95-b0f9-4be4-9bd1-cd8882c453b0
relation.isAuthorOfPublication.latestForDiscovery0f614a95-b0f9-4be4-9bd1-cd8882c453b0

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