nanoHUB.org: Cyberinfrastructure for Research and Education

Michael McLennan

Software ArchitectNetwork for Computational Nanotechnology

Purdue University

Indiana University, February 4, 2008

What is nanoHUB?Online simulation… …and more!

Demo

Demo >>

Over 60 tools online!

50 more in the pipeline

Web-enabling Tools

Web DeveloperVendor Scientist

Maxwell’sDaemon

Physical Machine

Virtual Machine

System Architecture

ContentDatabase

Rendering Farm

nanoHUB cluster

Violin

nanowire jobnanowire jobnanowire job101110110101010110011001

nanoVIS

Rappture Toolkit

Scientist

• Created by NCN in Nov 2004• Create standard desktop apps• Works with your favorite programming language• Open Source• Online at http://rappture.org

Rappture

=Simulation

Code

Rappture works by defining the interface

XML interface description<?xml version="1.0"?><run> <tool> <title>Name of the tool</title> <about>Description and credits</about> <command> @tool/path/to/executable @driver </command> <limits> <cputime>900</cputime> <filesize>1000000</filesize> </limits> </tool> <input> ... </input> <output> ... </output></run>

CNTbandsmodel

integer: n

integer: m

choice: sim method

…

curve: E-k diagram

curve: DOS

molecule: structure

…

Inputs, Outputs, and Metadata

Complete record of every simulation run<?xml version="1.0"?><run> <tool> <title>CNTbands v2.0</title> <command>@tool/cnbandswr @driver</command> <version> <application> <revision>16</revision> <modified>2007-05-24 10:58:42 EDT</modified> <installed>2007-05-24 10:59:51 EDT</installed> </application> </version> </tool>

<input> </input>

<output> </output>

</run>

Exact softwarerevision fromSubversion

All inputs

All results

More detailsabout softwareinstallation

Who’s using this?

2.5 million hits last month26,196 users last 12 months

226,899 simulation jobs last 12 months

51 of the Top 50 Engineering Schools

11.75% of all .edu domains

A A global following

50% in US

A A global following

Strong growth

Added seminars, tutorials, courses, etc.

Interactive tools

Online simulation… …and more!

In the past 10 months:

26 tools / 3,327 simulations• 47 simulations: bandstructure lab• 240 simulations: FETtoy• 2,855 simulations: nanowire• 8,242 nanowire CPU hours

• “and more” content134 items, 52 hours

• 96 support tickets69 entered manually, 27 filed automatically by application

Saumitra Mehrotra

Univ. of Cincinnati

IEEE Workshop on Microelectronics and Electron Devices (WMED), April 20 2007

Google Scholarfinds 159 citations to nanoHUB

366 UsersLast 12 months

Case in point

Effect of channel positioning on the 1∕ f noise in silicon-on-insulator metal-oxide-semiconductor

M von Haartman, M Oestling,Journal of Applied Physics, 2007 - link.aip.org...

Rappture version Feb 06

TCAD simulations using SCHRED [15] or ISE, …., were used to support our analysis and compute the inversion carrier profiles in the devices.

• Same behavior across all similar converted tools • User’s don’t have to download/install software

General Framework

portals

http://hubzero.org

New Hubs Online Now

IndianaCTSI.org – Anantha Shekhar, IUSchool of Medicine, Connie Weaver at Purdueaccelerating clinical and translational research in healthcare

online since 10/1/2007

thermalHUB.org – Tim Fisher, ME at Purdueheat transferonline since 12/6/2007

pharmaHUB.org – Rex Reklaitis, CE at Purduepharmaceutical product development and manufacturingonline since 12/11/2007

GlobalHUB.org – Dan Hirleman, ME at Purdueglobal engineering education

online since 12/17/2007

nanohub.org – Mark Lundstrum, ECE at Purduethe granddaddy of all hubs focused on nanotechnology

online since 2002

A New Way of Publishing

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