Nanoscale Simulation Code, Soft Matter Wiki, & MatDL Materials Research Groups, Education, & Digital Libraries 20 TH CODATA October 22-25 2006 Beijing,

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Presentation transcript:

Nanoscale Simulation Code, Soft Matter Wiki, & MatDL Materials Research Groups, Education, & Digital Libraries 20 TH CODATA October Beijing, China Professor Laura M. Bartolo Materials Informatics Lab Kent State University

20th CODATA 2006 Beijing, China Outline Background  Cyberinfrastructure  NSDL Introduction  Materials Digital Library  Metadata Capture & Soft Matter Wiki Methods  Participants  Software & Procedure Results Discussion

20th CODATA 2006 Beijing, China Vision of Cyberinfrastructure (CI) Blue Ribbon Advisory Panel, Revolutionizing Science & Engineering Through Cyberinfrastructure “The vision …”  ubiquitous, comprehensive digital environments  interactive and functionally complete in terms of people, data, information, tools, and instruments  unprecedented levels of computational, storage, and data transfer capacity

20th CODATA 2006 Beijing, China CI: Social & Technical Layers Virtual research and education communities  complementary needs and expertise Structured Information  domain & cross domain metadata, markup languages and vocabulary Trusted information  reuse across research and education (Tim Berners-Lee, Scientific American, May 2001)

20th CODATA 2006 Beijing, China DLI 2 - NSF, et al., initiated in FY98, continuing in UG Education FY DLI 2 Special Emphasis DLs & UG Earth Systems Education initiated FY99, continuing Digital Libraries Initiative (DLI 1) - NSF/NASA/ARPA, FY NSDL Launch Fall 2002 NSF, Cyberinfrastructure & Digital Libraries NSF NSDL Program 2000

20th CODATA 2006 Beijing, China What is NSDL? An NSF-funded $20 million/year program in Science, Technology, Engineering and Mathematics (STEM) education A digital library describing nearly two million carefully selected online STEM resources from well over 100 collections (at A core integration team (Columbia, Cornell, UCAR) working with 9 “pathways” portals and over 200 NSF grantees A large community of researchers, librarians, content providers, developers, students, and teachers

20th CODATA 2006 Beijing, China NSDL Materials Digital Library Pathway As part of the National Science Digital Library  Implement an information infrastructure for materials community  Provide content and services to support the integration of research and education in materials  Disseminate information generated by government- funded efforts in materials A collaborative effort …

20th CODATA 2006 Beijing, China MatDL Repository Goal: Facilitate interactions between research & education Audience: Undergraduate and above Supporting… Virtual Labs Intro to Solid State Chemistry Collaborative Code Development NIST FiPy UM Teaching Resource Development MS Teaching Archive NSF MS Initiatives Nanoscale Interdisciplinary Research Teams Materials Research Science & Engineering Centers International Materials Institutes IOWA STATE UNIVERSITY

20th CODATA 2006 Beijing, China Offering: Tools, like the MatDL Repository & Soft Matter Wiki, to describe, manage, exchange, archive, and disseminate data from national & international gov’t funded materials teams & centers MatForge for open access development of modeling and simulation codes Teaching Archive for collaborative development of core undergrad MS teaching materials Services and content for virtual labs in undergrad intro science courses

20th CODATA 2006 Beijing, China MatDL Fedora-based Repository An architecture, toolkit, and implementation: middleware, not a vertical application Stores arbitrary internal and external digital objects, disseminations (transformations and combinations), relationships among objects Entirely SOAP/REST based, disseminations are URLs XML data store; RDBMS cache; RDF triplestore supports relationship queries

20th CODATA 2006 Beijing, China MatForge

20th CODATA 2006 Beijing, China Teaching Archive (Powell-Veryst/Krane-Purdue) Over 100 homework problems, handouts, courseware, readings, pedagogy; 30 authors Metadata: title, author(s), description, keywords, time/difficulty Version control: modify, keep old versions Collaborative development, corrections etc. Fourteen-member Editorial Board

20th CODATA 2006 Beijing, China Services and content for … virtual labs in large undergraduate introductory science courses Alternative to traditional labs Beginning with MIT Intro to Solid State Chemistry Virtual Labs (Sadoway-MIT)

20th CODATA 2006 Beijing, China Soft Matter Wiki: An Expanded Example in the Materials Digital Library Development of  Vocabulary on assembly of nanosystems  Expert community-driven  Bottom-up approach  Wiki-based

20th CODATA 2006 Beijing, China Participants Research Group CHE 557

20th CODATA 2006 Beijing, China Software & Procedure Mediawiki software  Latex Vocabulary procedure  Research group: semi-automatic DC metadata capture  Course: supplemental course resource & part of course assignments

20th CODATA 2006 Beijing, China Metadata Capture Brownian Dynamics simulation of a nanoparticle aggregating tethered nanosphere Chris Iacovella Tethered Building Block Lennard-Jones Brownian Dynamics NVT FENE Number of tethered building blocks = 800; Number of beads = 7200; Length of tether = 8; Diameter of the nanopshere = 2.0; System temperature = ; System volume fraction = 0.25; Integration scheme to use = Brownian Dynamics, NVT; Number of Dimensions = 3; United Atom Bead Spring with Lennard-Jones and FENE; Phase: Hexagonally packed cylindrical micelles Glotzer group. Depts of Chemical Engineering, Materials Science & Engineering, Macromolecular Science, and Physics,University of Michigan

20th CODATA 2006 Beijing, China Results Public view – launched September 2006  Number & range of terms Currently 71 terms under 12 different categories Approximately 70% of the terms have definitions  Format of entries Vary from very brief to considerable detail  Adding context Images, references Related items in (e.g., preprints, images)

20th CODATA 2006 Beijing, China Interaction Potentials: The Lennard-Jones Potential Weeks-Chandler-Andersen Potential Hard Sphere Potential Dzugutov Potential Yukawa Potential Harmonic Spring FENE Spring Simulation Methods: Brownian Dynamics Simulation (BD) … System Classifications: Polymer Block Copolymer Liquid Crystal Surfactant Colloid Tethered Building Block

20th CODATA 2006 Beijing, China C.R. Iacovella, A.S. Keys, M.A. Horsch, S.C. Glotzer Icosahedral packing of polymer-tethered nanospheres and stabilization of the gyroid phase Submitted, (2006)Icosahedral packing of polymer-tethered nanospheres and stabilization of the gyroid phase Record on MATDL Repository

20th CODATA 2006 Beijing, China

Attached Files NameDescriptionMIMEType n2006TNSGyroid.pdfn2006TNSGyroid.pdf n2006TNSGyroid.pdfapplication/pdf Related Links LinkDescription hexagonally packed cylinders double gyroid perforated lamellae lamellar bilayers

20th CODATA 2006 Beijing, China

Course view  Overview, Lectures, Assignments, Books of interest  Wiki assignments to be reviewed  Reviewed assignments are submitted to the public view

20th CODATA 2006 Beijing, China

DISCUSSION Beginning with soft matter simulation  Expand to: electronic materials, glasses, polymer thin films Brings repository into wiki presentation Metadata feeds terms into wiki and visa versa Will include experimentalist perspective & data

20th CODATA 2006 Beijing, China Thank you & Questions? matdl.org matdl.org/matdlwiki The NSDL Materials Digital Library Pathway is supported by the National Science Foundation DUE Any opinions, findings, and conclusions or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of NSF.