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OpenSees on NEEShub. Frank McKenna UC Berkeley. Bell’s Law.

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Opensees on neeshub

OpenSees on NEEShub

Frank McKenna

UC Berkeley


Bell s law
Bell’s Law

Bell's Law of Computer Class formationwas discovered about 1972.  It states that technology advances in semiconductors, storage, user interface and networking advance every decade enable a new, usually lower priced computing platform to form.  Once formed, each class is maintained as a quite independent industry structure.

Gordon Bell, http://research.microsoft.com/~GBell/Pubs.htm


Cloud computing
Cloud Computing

Cloud computing is internet-based computing , whereby shared resources, software, and information are provided to computers and other devices on demand, like the electricity grid. source: wikipedia

  • Applications are run and data is stored on remote machines in the cloud.

  • User accesses the applications and files using an internet based application, e.g. web browser for Google Docs and NEEShub.

  • Pros & Cons?


Neeshub
NEEShub

  • The power behind NEES at http://nees.org

  • Maintained and developed at Purdue by NEEScomm

  • Built using proven HUBzero technology (nanoHUb > 100,000 users)

  • A science gateway for education and research in earthquake engineering

  • Through a browser engineers can:

    • Upload and view experimental data

    • Browse online seminars and courses

    • Launch sophisticated tools using remote computational resources (OpenSeesLab)


Neeshub first release july 2010
NEEShub (First Release July 2010)


Neeshub tools and resources
NEEShub Tools and Resources

Simulation

Data Management

Documents, Learning Objects, Series & TOOLS



  • The Open System for Earthquake Engineering Simulation (OpenSees) is a software framework for simulating the seismic response of structural and geotechnical systems. OpenSees is the computational platform for research in performance-based earthquake engineering at PEER and has been the simulation component for NEES since 2004. Since 2005 the OpenSees application has been downloaded over 35,000 times by users in over 120 countries.

  • The current status of OpenSees is:

    • Version 2.2.2 now available with over 80 material types, 30 element types, 20 integration schemes, 15 numerical solvers, 10 solution algorithms

    • Open Source and Free to Use

    • Contains Cutting Edge Research not available in commercial codes

    • Allows developers to dynamically add material and element routines (c or fortran), integration schemes, recorders, solvers, and algorithms.

    • Runs sequentially and in parallel on multi-core Windows, Linux and Mac machines

    • Available on some of the most high performance computers (HPCs) in the world

    • GUI’s available (BuildingTcl, OpenSeesPL, OpenSeesNavigator)

    • IT IS FULLY PROGRAMMABLE


The openseeslab tool http nees org resources tools openseeslab
The OpenSeesLab tool: (OpenSees) is a software framework for simulating the seismic response of structural and geotechnical systems. OpenSees is the computational platform for research in performance-based earthquake engineering at PEER and has been the simulation component for NEES since 2004. Since 2005 the OpenSees application has been downloaded over 35,000 times by users in over 120 countries. http://nees.org/resources/tools/openseeslab

Is a suite of Simulation Tools powered by OpnSees for:

Submitting OpenSees scripts (input files) to HUB resources

Educating students and practicing engineers

Performing useful tasks


Opensees interpreter tool
OpenSees Interpreter Tool (OpenSees) is a software framework for simulating the seismic response of structural and geotechnical systems. OpenSees is the computational platform for research in performance-based earthquake engineering at PEER and has been the simulation component for NEES since 2004. Since 2005 the OpenSees application has been downloaded over 35,000 times by users in over 120 countries.


File transfer tool
File Transfer Tool (OpenSees) is a software framework for simulating the seismic response of structural and geotechnical systems. OpenSees is the computational platform for research in performance-based earthquake engineering at PEER and has been the simulation component for NEES since 2004. Since 2005 the OpenSees application has been downloaded over 35,000 times by users in over 120 countries.

Upload: From Your Machine to NEEShub

Download: From NEEShub to Your Machine


Lateral pile analysis
Lateral Pile Analysis (OpenSees) is a software framework for simulating the seismic response of structural and geotechnical systems. OpenSees is the computational platform for research in performance-based earthquake engineering at PEER and has been the simulation component for NEES since 2004. Since 2005 the OpenSees application has been downloaded over 35,000 times by users in over 120 countries.

http://opensees.berkeley.edu/wiki/index.php/Laterally-Loaded_Pile_Foundation

Chris McGann U. Washington


Sdof earthquake response
SDOF Earthquake Response (OpenSees) is a software framework for simulating the seismic response of structural and geotechnical systems. OpenSees is the computational platform for research in performance-based earthquake engineering at PEER and has been the simulation component for NEES since 2004. Since 2005 the OpenSees application has been downloaded over 35,000 times by users in over 120 countries.


Moment curvature analysis
Moment Curvature Analysis (OpenSees) is a software framework for simulating the seismic response of structural and geotechnical systems. OpenSees is the computational platform for research in performance-based earthquake engineering at PEER and has been the simulation component for NEES since 2004. Since 2005 the OpenSees application has been downloaded over 35,000 times by users in over 120 countries.


Openseeslab gui using rappture
OpenSeesLab GUI using Rappture (OpenSees) is a software framework for simulating the seismic response of structural and geotechnical systems. OpenSees is the computational platform for research in performance-based earthquake engineering at PEER and has been the simulation component for NEES since 2004. Since 2005 the OpenSees application has been downloaded over 35,000 times by users in over 120 countries.

set Tn 1.0

if {$argc != 0} {

package require Rappture

# open the XML file containing the run parameters

set driver [Rappture::library [lindex $argv 0]]

set Tn [$driver get input.group.(Tn).current]

}

while {$ok == 0 && $t < $maxT} {

if {$argc != 0 } {

driver put -append yes output.curve.component.xy "$time $d\n"

} else {

puts $outFile "$time $d"

}

}

# save the updated XML describing the run...

if {$argc != 0 } {

Rappture::result $driver

}

<?xml version="1.0"?>

<run>

<tool>

<title> SDOF Free Vibration Response</title>

<about> This tool demonstrates the effect of free vibration</about>

<command>@tool/../../bin/RunOpenSees @tool/freeVibration.tcl.tcl @driver</command>

</tool>

<input>

<number id="Tn">

<about>

<label>Period of Structure</label>

<description>Period of Structure (sec)</description>

</about>

<default>1.0</default>

</number>

</input>

</run>


Neeshub things to know
NEEShub things to know: (OpenSees) is a software framework for simulating the seismic response of structural and geotechnical systems. OpenSees is the computational platform for research in performance-based earthquake engineering at PEER and has been the simulation component for NEES since 2004. Since 2005 the OpenSees application has been downloaded over 35,000 times by users in over 120 countries.

Anyone can get an account (it’s free!)

You can have 5 sessions running at once

The sessions stay alive until you kill them

With each session you get a new data directory, some tools by default will store their information there.

You have 1GB storage by default (it is expandable!)