Bowen Lab Projects

streaming data middleware process graphic Empowering the Scientific Community with Streaming Data Middleware: Software Integration into Complex Science Environments
This project addresses a key cyberinfrastructure requirement for these communities -- robust and reliable streaming data middleware known as Open Source Data Turbine (OSDT). This collaborative project combines strategic software developments with deep engagement in three science communities: civil engineering, marine science, and ecology.
  CyberMech, a Novel Run-Time Substrate for Cyber-Mechanical Systems
The core objective of this collaborative research is to develop a novel run-time substrate, CyberMech, to enhance the performance of real-time cyber-mechanical experiments through an integrated set of advances.
  Cyber-Physical Co-Design of Wireless Monitoring and Control for Civil Infrastructure
The objective of this research is to develop advanced distributed monitoring and control systems for civil infrastructure. The approach uses a cyber-physical co-design of wireless sensor-actuator networks and structural monitoring and control algorithms.
Cyber-Physical Instrument for Real-time Hybrid Structural Testing (MRI) Cyber-Physical Instrument for Real-time Hybrid Structural Testing (MRI)
This project focuses on the development of an instrument to integrate physical and simulated components of an RTHS. The goal is to integrate these under a common reusable middleware architecture for flexible and reconfigurable use.
advanced structural damping systems Performance-Based Design and Real-time, Large-scale Testing to Enable Implementation of Advanced Damping Systems
Advanced structural damping systems such as magnetorheological dampers have great potential to play a large role in our ability to achieve performance-based structural design (PBD) directed towards seismic resilience. This research project focuses on the development of appropriate performance-based design procedures and model-based simulation techniques for advanced damping systems in civil engineering applications.
shake table equipment University Consortium for Instructional Shake Tables (UCIST)
Experiments are quite effective for demonstrating basic concepts in structural dynamics and earthquake engineering to students. Shake tables are typically used for experimental research in earthquake engineering, but they are also very useful for instructional demonstrations.
AASHTO Fracture Control Plan and Revisions to LRFD Fatigue Design Specifications AASHTO Fracture Control Plan and Revisions to LRFD Fatigue Design Specifications
Primarily in response to failures during the late 1960's and 1970's, the material, design, fabrication, shop inspection, and in-service inspection requirements were improved for steel bridges in general. Special provisions for fracture critical members (FCM) were later implemented in 1978 mainly in reaction to bridge collapses.
In-Service Inspection Frequency for Non-Load-Path Redundant Bridges In-Service Inspection Frequency for Non-Load-Path Redundant Bridges
It is well recognized that the major impact on life-cycle costs is the additional mandate for hands-on in-service inspection of fracture-critical members. In fact for some owners, fracture-critical inspections consume a large fraction of the available inspection budget for a comparatively few structures. The cost of the fracture-critical inspection is typically 2 to 5 times greater than inspections for bridges without any FCMs.
NCHRP Project 10-72 - Bridge Deck Design Criteria and Testing Procedures NCHRP Project 10-72 - Bridge Deck Design Criteria and Testing Procedures
Although not often recognized for their significance by the motoring public, deck elements of highway bridges are important components for an efficient highway system. Robust performance of these components over the long-term is critical for smooth daily traffic operations as well as adequate bridge system performance during extreme events.
Fatigue Cracking and Inspection of High-mast Lighting Towers Fatigue Cracking and Inspection of High-mast Lighting Towers
Recent failures of high-mast lighting towers in several states have raised questions as to the robustness and safety of the existing inventory of similar structures. Failure of these structures is very critical as they are typically located adjacent to Interstates or other high-speed highways.

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