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Civil Hybrid Simulation

Civil Hybrid Simulation is a structural testing technique that combines physical testing and computer modeling, offering a more efficient and affordable way to examine how structural systems respond to realistic dynamic or seismic loading.  Rather than test a complete structure on a large-scale physical test rig, hybrid simulation instead suggests modeling the complete structure while physically testing only a portion.

  • Seismic Simulation
  • Structural Testing
  • Sub-system Characterization
  • Time-History Simulation
  • Civil Structures
  • Complete Full-Scale Structures
  • Seismic Isolation Bearings
  • Structural Components
  • Substructures
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Video Product

KEY PRODUCT FEATURES

Unmatched Expertise

PhD-level MTS System Integration Engineers provide expert guidance and training

Innovative Technology

MTS has expert applications expertise and is well connected with top hybrid simulation developers such as University of California at Berkeley

Industry Standard

MTS has commissioned quasi-static and real-time hybrid simulation systems at over 100 sites worldwide

Cost Efficient

Hybrid Simulation is a cost-effective method for testing large scale civil structures

MODEL COMPARISON

TECHNICAL OVERVIEW

  • Used to evaluate substructure or components that predominately contribute stiffness and strength to the complete structure

  • Computer Simulation is performed at an artificially slow rate to allow for a more detailed study of a structure and to accommodate the limited capacity of most civil engineering laboratories

  • Hydraulic actuators can be designed for quasi-static to low cyclic applications (<1Hz) with low flow  hydraulic power requirements
  • Less expensive than the real-time solution

 

QUASI-STATIC HYBRID SIMULATION DEMONSTRATION VIDEO

  • Used to evaluate substructure or components that contribute damping or inertia effects to the complete structure
  • Computer Simulation is performed in real-time. Special high-speed connection is made directly to the real-time PC via SCRAMNet® reflective memory
  • Requires high-force, dynamic structural actuators with high flow hydraulic distribution to properly evaluate all dynamic properties of the substructure
  • More expensive than the quasi-static solution

 

REAL-TIME HYBRID SIMULATION DEMONSTRATION VIDEO

  • Similar to Real-Time Hybrid simulation
  • Extra ScramNET card is used in the Simulation Host PC, this allows for reflective memory between the model and calculation PC
  • Predictor-corrector algorithm allows none real-time analysis software to be used to conduct hybrid simulation to simulate real time event
  • Larger integration step size can be chosen, which allows much more complex models to be used