george e. brown, jr. network for earthquake engineering simulation joint development of opensees and...
TRANSCRIPT
George E. Brown, Jr.Network for Earthquake Engineering Simulation
Joint development of OpenSees and its Applications in Earthquake-Induced Disaster Evolution of Civil Infrastructures.
Research Team: Jinping Ou, Zheng He (DUT), Li Chen (TU), Quan Gu
(XU), Stephen Mahin (UCB), Joel Conte (UCSD), Gilberto
Mosqueda (UCSD), Juan Caicedo (UofSC), Frank McKenna (UC Berkeley)
Outline
• What is OpenSees• OpenSees Training and Outreach• OpenSees Code Developments
Outline
• What is OpenSees• OpenSees Training and Outreach• OpenSees Code Developments
What is OpenSees?• A open-source software framework for building structural and geotechnical
(numerical) simulation applications in earthquake engineering using finite element methods.
• A communication mechanism for exchanging and building upon research accomplishments.
• OpenSees as been supported by the Pacific Earthquake Engineering Research Center (PEER) since 1997 and George E. Brown Network for Earthquake Engineering Simulation (NEES) since 2003.
Parallel&Distributed
Used Worldwide
Usage of OpenSees on NEEShub shows similar pattern
Outline
• What is OpenSees• OpenSees Training and Outreach• OpenSees Code Developments
Discovering OpenSees
• Each presentation done twice: once to facilitate those in US and European countries and the other for researchers in China and Asian countries.
• Links to these recordings are provided on the Discovering OpenSees series on NEEShub. http://nees.org/resources/4977/supportingdocs
• To date videos from the series have been watched almost 9,000 times.
Upcoming OpenSees Workshop, Harbin, China, August 21, 2013
OpenSees Workshops in China 2014!
Tongji University, 2011
Upcoming 2 day OpenSees Session, 'Second Disaster Prevention and
Mitigation Engineering Conference of China' organized by Professor Ou this
August 22-23 in Harbin, China.
Outline
• What is OpenSees• OpenSees Training and Outreach• OpenSees Code Developments
Contributions Worldwide • A hysteresis model for high damping rubber bearings. M.Kikuchi (Hokkaido University,
Japan) and I. Aiken (Seismic Isolation Design, Inc)• A number of stabilized single-point integration elements for use in continuum models:
SSP_Quad, SSP_Brick, SSPquad_UP, SSPbrick_UP,, C McGann, P Mackenzie-Heinwein, and P. Arduino, University of Washington.
• New multi-spring elements. M.Kikuchi (Hokkaido University, Japan) and I. Aiken (Seismic Isolation Design, Inc)
• A new contact element. A. Zaghi and M.Cashany (University of Connecticut)• ElasticOrthotropic material. (ElasticOrthotropic, ElasticOrthotropic3D) M. Scott (Oregon
State)• Additional elastometric Bearings elements (ElastomericBearing,
ElastomericBearingBoucWen, ElastomericBearingPlasticity). A. Schellenberg (UC Berkeley)
• SteelBRB Q.Gu (Xiamen University, P.R. China)• A number of deterioration models for use in modeling of structural frames using
concentrated plasticity approach. ModIMKPeakOriented,ModIMKPeakPinching, Bilin D.Lignos, McGill University, Canada
• Damage2p, A concrete Damage Modelfor 3d and plane stress problems, L.Tesser, Univ. Padua, Italy.
• A cyclic elastopplasticity model for post-liquefaction deformation, Rui Wang, Tsinghua University, P.R. China.
Others contd.• BeamContact2D, BeamContact3D, BeamEndContact3D C McGann, P Mackenzie-
Heinwein, and P. Arduino, University of Washington. • Triple Friction Pendulum Element , N. Dao and K. Ryan, University of Nevada - Reno. • CapPasticity Q.Gu (Xiamen University, P.R. China)• ManzariDafalias ND materials (3D, PlaneStrain) Alborz Ghofrani and P.Arduino
Similar to Usage: Researchers in US and P.R. China main contributors to OpenSees
New Directions - Fire
New Directions - Optimization
funded
Code Development: Joel Conte (UCSD), Philp Gill (UCSD) Quan Gu(Xiamen)Code Testing: students of Jinping Ou (DUT), Conte (UCSD), Gu (Xiamen)
Future OpenSees Developments
User requestsFrom 2.4.0 downloads
Participant requestsAfter Webinar
Thank You