Joint ETH-MECHS Workshop:

New Frontiers and Innovative Methods for Hybrid Simulation


March 13-15, 2019, at ETH Zurich




March 13, 2019

13:30-14:00      Opening Shirley Dyke, Oreste Bursi & Bozidar Stojadinovic (Main room)


14:00-15:00      Plenary talks (2x30’)

           1.   Amal Elawady & James Ricles

Multi-hazard Real-Time Hybrid Simulation: Challenges, Solutions, Illustrations


           2.   Oreste Bursi 

SERA WP27/JRA5: Innovative Testing Methodologies for Component/System Resilience


15:00-15:20          coffee break

15:20-15:30      Nikolaos Tsokanas, Giuseppe Abbiati & Bozidar Stojadinovic

Thermo–Mechanical Setup for Real-Time Multi-physics Hybrid Simulation


15:30-18:00      Group Breakout Sessions A (Main room) and B (Breakout room)

March 14, 2019

08:45-09:30      ETH Structures Laboratory Tour and TMHS test demonstration (meet in the Main room)

09:30-10:00          coffee break

10:00-12:30       Group Breakout Sessions C (Main room) and D (Breakout room)

12:30-14:00           lunch on your own

14:00-15:00       Plenary talks (2x30’) (Main room)

            1.   David Wagg 

Hybrid Testing for Civil and Mechanical Engineering Applications


           2.   Shirley Dyke

Enabling RTHS with Nonlinear Systems Using Bayesian Methods


15:00-15:30           coffee break

15:30-18:00       Group Breakout Sessions E (Main room) and F (Breakout room)

March 15, 2019

08:45-09:45       Groups A,C,E discussion (3x10’ co-lead presentations + 30’ discussion) (Main room)

09:45-10:15            coffee break

10:15-11:15          Groups B,D,F discussion (3x10’ co-lead presentations + 30’ discussion) (Main room)

11:15-11:30              coffee break

11:30-12:30        Conclusion, joint workshop statement (Main room)


Main workshop room:       ETH HIT E51

Breakout room:                 ETH HIT E41.1


Breakouts by Topic:  


A.  New Frontiers & Applications (13.03. 15:30-18:00 Main room)

Co-leads: Pedro Lomonaco

Multihazard Engineering Collaboratory on Hybrid Simulation: A Research Coordination Network 


Thomas Sauder

Real-time hybrid model testing in marine technology - recent activities at SINTEF Ocean and NTNU


Recorder: Wei Song


These group’s focus is on identifying solutions to the challenges that are revealed through new application areas for    hybrid simulation that go beyond earthquake engineering. For example, wind and coastal engineering, fluid-structure interaction in general, etc.

  Speaker 1:         Denis Istrati

  Abstract title:   Significance of FSI for the resilience of coastal structures and the need for hybrid simulation


  Speaker 2:         Barbara Simpson

  Abstract title:   Implementation of Real-time Hybrid Simulation for Wave-Structure Interaction


  Speaker 3:         Pedro Fernanez-Caban

  Abstract title:   Developing Cyber-Physical Tools to Optimize the Performance of Civil Infrastructure under Wind Hazards


  Speaker 4:         H0-Kyung Kim

  Abstract title:   Design of Experimental Apparatus for Real-time Wind-tunnel Hybrid Simulation of Bridge Decks  


  Speaker 5:         Wei Song

  Abstract title:  Real-Time Hybrid Simulation Based Damper Performance Evaluation for Wind-Induced Re- sponse Reduction


B.  Innovations in Modeling and Simulation (13.03. 15:30-18:00 Breakout room)

Co-leads:   Richard Christenson

Analog RTHS – Exploring Old Techniques to Enable New Innovations


Oreste Bursi

Seismic fragility analysis of a tank-piping system based on hybrid simulation and Kriging surrogate modeling


Recorder: Elif Ecem Bas


This group focuses on sharing new approaches to successfully model and test highly nonlinear or coupled systems, including online updating and possible applications of machine learning.

  Speaker 1:         Elif Ecem Bas

  Abstract title:   Hybrid Simulation Setup for Braced Frames Testing under Earthquake Loading


Speaker 2:         Georgios Baltzopoulos

  Abstract title:   Prototype demo-scale equipment in support of distributed hybrid simulation


  Speaker 3:         Giuseppe Abbiati

  Abstract title:   A Model Order Reduction Framework for Hybrid Simulation of Stiff Prototype Structures


  Speaker 4:         Hector Guerrero

  Abstract title:   Using Hybrid Simulation to Improve the Seismic Performance of a Soft Story Building Retrofitted with Buckling-Restricted Braces​ 


C.  New Frontiers & Applications (14.03. 10:00-12:30 Main room)

Co-leads:  Oh-Sung Kwon

Hybrid Simulation Framework, UT-SIM, and its Applications to  Structures Subjected to Earthquake or Fire Load


Patrick Covi 

Hybrid fire testing of a virtual steel frame


Recorder: Barbara Simpson


These group’s focus is on identifying solutions to the challenges that are revealed through new application areas for hybrid simulation that go beyond earthquake engineering. For example, hybrid fire testing and thermo-mechanical simulation in general, blast response, etc.


  Speaker 1:         Silvio Renard

  Abstract title:   An adaptive controller for hybrid fire testing


  Speaker 2:         Elke Mergny

  Abstract title:   PI-Control in Hybrid Fire Testing


  Speaker 3:         Reto Grolimund

  Abstract title: A Coupled Experimental and Numerical Framework for the Analysis of Steel Structures Subjected to Fire 


  Speaker 4:         Giuseppe Abbiati

  Abstract title:  A Real-time Hybrid Fire Simulation algorithm Based on Dynamic Relaxation


D.  Innovations in Modeling and Simulation (14.03. 10:00-12:30 Breakout room)

 Co-leads: Chris Gill

Elastic Mixed Criticality Parallel Real-Time Scheduling for Real-Time Hybrid Simulation


Bozidar Stojadinovic

Innovations in Modelling and Simulation: Moving Hybrid Simulation Forward


Recorder: Xiaoyun Shao

Presentation   Summary

This group focuses on developing innovative strategies and solutions for tackling resource-demanding hybrid simulation with timing, physical, control, communication and computational resource constraints in near- and real-time simulations involving nonlinear, coupled and/or uncertain hybrid models in single- or multi-physics situations.

  Speaker 1:         Xiaoyun Shao

  Abstract title:   Testing platform and delay compensation methods for distributed real-time hybrid simulation


  Speaker 2:         Vasilis Dertimanis

  Abstract title:   Adaptive Inverse Control for Real-Time Hybrid Testing


  Speaker 3:         Christina Insam

  Abstract title:   Real-Time Hybrid Testing with Contact - What are the Major Challenges when Closing the Feedback Loop?


  Speaker 4:        Gaston Fermandois

  Abstract title:   Robust dynamic compensation of a multi-actuator loading assembly for multi-axial real-time hybrid simulation



E.  Building Capacity and Standardization (14.03. 15:30-18:00 Main room)

Co-leads:   Erik Johnson

Toward Efficient Solvers for RTHS: Convolution Integral for High-Order (Mostly) Linear Numerical Models

David Wagg

Verification and Validation for Hybrid Testing Methods

Recorder: Amal Elawady


This group will strategize about how to expand HS/RTHS capabilities to enable more labs, develop standards to provide some guarantees on the quality of the conducted tests (and what these quality objectives may be) and to broaden the range of testing. Also, the group will propose ways to introduce hybrid simulation in education.

  Speaker 1:         Amal Elawady

  Abstract title:   NHERI WOW and RMDT Facilities collaboration: Hybrid Simulation of Communication Tower Atop a Building

  Speaker 2:         Arturo Schultz

  Abstract title:   High Performance Multi-Axial Hybrid Simulation System –Role of Friction 


  Speaker 3:        Steven Wojtkiewicz

  Abstract title:   Aeroelastic Real-Time Hybrid Simulation (AeroRTHS): Investigation of Vibration Mitigation Devices

  Speaker 4:        Bozidar Stojadinovic

  Abstract title:   Hybrid Simulation Capacity Building and Standardization: Before, during and after NEES


F.  Innovations in Modeling and Simulation (14.03. 15:30-18:00 Breakout room)

Co-leads: Cheng Chen

A Framework for Experimental Design of Hybrid Simulation to Quantify the Effect of Uncertainties from Analytical and Physical Substructures


Giuseppe Abbiati

Adaptive Design of Hybrid Simulation Experiments Driven by Expected Improvement of Model Discrepancy Evaluated Against an Ab Initio Computational Simulator


Recorder: Nick Wierschem


This group focuses on sharing new approaches to successfully model and test uncertain systems, including uncertainty quantification and experiment design, involving demanding computational issues, real-time or otherwise.

  Speaker 1:         Thomas Sauder

  Abstract title: Fidelity of cyber-physical empirical methods


  Speaker 2:         James Ricles

  Abstract title:   Assessing the Performance of Structural Systems for Response to Multi-hazard Conditions Using Real-Time Hybrid Simulation: Challenges, Solutions, Illustrations


  Speaker 3:        Yushan Fu

  Abstract title:   Model-in-the-loop Testing of Flexible-Bus Conductors Interconnecting Substation Equipment


  Speaker 4:         Nicholas Wierschem

  Abstract title:   Challenges Related to Extending Hybrid Simulation to Exploring the Next Generation of Structural Control Devices



Breakout session structure: