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.
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
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
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Resources
Lab Profile
University of Minnesota MAST Lab
Testing full-scale civil structures in six degrees of fre…
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