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Machine Learned Coarse Grained Force Fields for Dimensionality Reduction in Computational Materials Design
Machine Learned Coarse Grained Force Fields for Dimensionality Reduction in Computational ...
Machine Learned Coarse Grained Force Fields for Dimensionality Reduction in Computational Materials Design

Detailed Information

Material Type  
 단행본
 
0017164085
Date and Time of Latest Transaction  
20250211152830
ISBN  
9798346532736
DDC  
542
Author  
Duschatko, Blake R.
Title/Author  
Machine Learned Coarse Grained Force Fields for Dimensionality Reduction in Computational Materials Design
Publish Info  
[Sl] : Harvard University, 2024
Publish Info  
Ann Arbor : ProQuest Dissertations & Theses, 2024
Material Info  
129 p
General Note  
Source: Dissertations Abstracts International, Volume: 86-05, Section: B.
General Note  
Advisor: Kozinsky, Boris.
학위논문주기  
Thesis (Ph.D.)--Harvard University, 2024.
Abstracts/Etc  
요약Computational materials science enables unique insight into atomistic processes that cannot be probed with current experimental apparatuses. For decades, the field has offered new understanding in a variety of material domains, ranging from polymers, proteins, and biophysics to battery materials, solvents, and many others. Of particular interest are molecular dynamics studies that can be used to analyze the kinetic and thermodynamic behavior of such systems.Machine learning has shown to be a valuable tool in modeling the potential energy surface required for these methods. Despite significant progress in both the hardware, software, and theoretical capabilities of molecular dynamics approaches and machine learning, studying atomistic processes with long spatial and temporal scales at full atomistic resolution becomes prohibitive. To this end, coarse graining is a crucial alternative that enables the study of these systems with more fine tuned control than can be achieved in experimental setups, while also retaining a higher degree of spatial and temporal fidelity than would be possible experimentally. In this dissertation, I will introduce a flexible Bayesian force field approach to design coarse grained free energy models. These novel methods enable an automated approach to the data collection process, while most importantly allowing for highly transferable models. I will further demonstrate how new approaches that utilize the integration of physics principles can provide more accurate and robust machine learning models for coarse graining applications. Finally, I will discuss on-going and future developments, applications, and considerations for the future of computational materials exploration using these scalable and accurate methodological advancements.
Subject Added Entry-Topical Term  
Computational chemistry
Subject Added Entry-Topical Term  
Computational physics
Subject Added Entry-Topical Term  
Materials science
Index Term-Uncontrolled  
Coarse graining
Index Term-Uncontrolled  
Force fields
Index Term-Uncontrolled  
Interatomic potentials
Index Term-Uncontrolled  
Machine learning
Added Entry-Corporate Name  
Harvard University Engineering and Applied Sciences - Applied Physics
Host Item Entry  
Dissertations Abstracts International. 86-05B.
Electronic Location and Access  
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MARC

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■1001  ▼aDuschatko,  Blake  R.▼0(orcid)0009-0008-8632-3199
■24510▼aMachine  Learned  Coarse  Grained  Force  Fields  for  Dimensionality  Reduction  in  Computational  Materials  Design
■260    ▼a[Sl]▼bHarvard  University▼c2024
■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
■300    ▼a129  p
■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-05,  Section:  B.
■500    ▼aAdvisor:  Kozinsky,  Boris.
■5021  ▼aThesis  (Ph.D.)--Harvard  University,  2024.
■520    ▼aComputational  materials  science  enables  unique  insight  into  atomistic  processes  that  cannot  be  probed  with  current  experimental  apparatuses.  For  decades,  the  field  has  offered  new  understanding  in  a  variety  of  material  domains,  ranging  from  polymers,  proteins,  and  biophysics  to  battery  materials,  solvents,  and  many  others.  Of  particular  interest  are  molecular  dynamics  studies  that  can  be  used  to  analyze  the  kinetic  and  thermodynamic  behavior  of  such  systems.Machine  learning  has  shown  to  be  a  valuable  tool  in  modeling  the  potential  energy  surface  required  for  these  methods.  Despite  significant  progress  in  both  the  hardware,  software,  and  theoretical  capabilities  of  molecular  dynamics  approaches  and  machine  learning,  studying  atomistic  processes  with  long  spatial  and  temporal  scales  at  full  atomistic  resolution  becomes  prohibitive.  To  this  end,  coarse  graining  is  a  crucial  alternative  that  enables  the  study  of  these  systems  with  more  fine  tuned  control  than  can  be  achieved  in  experimental  setups,  while  also  retaining  a  higher  degree  of  spatial  and  temporal  fidelity  than  would  be  possible  experimentally.  In  this  dissertation,  I  will  introduce  a  flexible  Bayesian  force  field  approach  to  design  coarse  grained  free  energy  models.  These  novel  methods  enable  an  automated  approach  to  the  data  collection  process,  while  most  importantly  allowing  for  highly  transferable  models.  I  will  further  demonstrate  how  new  approaches  that  utilize  the  integration  of  physics  principles  can  provide  more  accurate  and  robust  machine  learning  models  for  coarse  graining  applications.  Finally,  I  will  discuss  on-going  and  future  developments,  applications,  and  considerations  for  the  future  of  computational  materials  exploration  using  these  scalable  and  accurate  methodological  advancements.
■590    ▼aSchool  code:  0084.
■650  4▼aComputational  chemistry
■650  4▼aComputational  physics
■650  4▼aMaterials  science
■653    ▼aCoarse  graining
■653    ▼aForce  fields
■653    ▼aInteratomic  potentials
■653    ▼aMachine  learning
■690    ▼a0219
■690    ▼a0216
■690    ▼a0794
■71020▼aHarvard  University▼bEngineering  and  Applied  Sciences  -  Applied  Physics.
■7730  ▼tDissertations  Abstracts  International▼g86-05B.
■790    ▼a0084
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17164085▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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