Fast-Running Model (FRM) to assess progressive collapse in aboveground fixed structures targeted by air-to-ground munitions. Single- and multi-hit scenarios; visualization.
Ultrasound Imaging - Aberration Correction United States University of Rochester/University of Michigan WAI Prime
Development of automatic correction for double images and misinterpretation in models caused by nonhomogeneous tissue.
Development of algorithms and software for large-scale modeling used in tomographic earth geology, piezoelectric transducer and aircraft design, and similar applications.
Participation in worldwide R&D effort, through government umbrella group, to develop and test physical security strategies. Host for workshop on transportation targets.
IGVN Computational Support United States USACE Engineer Research and Development Center WAI Prime; Defense Threat Reduction Agency
Development of global response damage module to evaluate tunnel vulnerability to ground shock/airblast and of methodology to replace Hendron and Aiyer tunnel defeat methodology.
LNG Storage Tank Rocky Hill, Connecticut Natural Gas Provider SEA Consultants
Blast analysis to assess vulnerability of LNG storage tank facility to explosives detonated at various standoff distances.
Pantex Plant - AGV Rack Design Amarillo, Texas US Department of Energy SA Robotics
Seismic analysis and design of nuclear material pallet staging racks, including layout, details, and connections. Fast track.
Explosives safety and blast- and fragment-resistance design for facility to combine high-explosives inspection with machining, staging, pressing, and radiography.
TOTTS (Test Operations Technology and Test Support) Albuquerque, New Mexico Defense Threat Reduction Agency Applied Research Associates Inc
Calculation of vulnerability and determination of damage criteria for deeply buried targets subject to a variety of weapons attacks.
Study using MAZ airblast modeling software to characterize bomb explosion loads on structures, including air pressures and fragmentation produced by fracture of bomb casing.
Development of software to model mechanical response of commercial off-the-shelf (COTS) computers to shock. Integration with purchase-decision analysis programs.
Route 9A - Cut and Cover Tunnel Study New York, New York NYS Department of Transportation Earth Tech/WAI (JV)
Study of three alternatives for 1,100-foot-long cut-and-cover tunnel adjacent to World Trade Center. Protection of PATH tubes, retaining wall, and tiebacks.
Silver Creek Golf Clubhouse Pipeline Protection San Jose, California Silver Creek Golf Club WAI Prime; William Lyons Homes
Risk analysis of likelihood and consequences of accidental break in buried gas pipeline. Recommendations for mitigation of blast and heat loading.
2004
Bronx-Whitestone Bridge - Wind Fairings Bronx, New York MTA Bridges & Tunnels/TBTA WAI Prime
Major reconstruction of 2,300-foot main span to improve aerodynamic stability and reduce excessive dead load strain on cable. Largest civil application of composites to date.
Loading Dock Protection United States Combating Terrorism Technology Support Office/TSWG WAI Prime; NM Institute of Mining and Technology
Development of easily implemented blast protection for loading docks. Based on bonding thin sheath of composites to floor slab.
Lead structural engineer for investigation that determined that the collapse of one WTC tower did not cause or contribute to the collapse of the other.
2003
474 Piercy Road Pipeline Rupture San Jose, California Family Community Church WAI Prime
Assessment of potential risk from accidental break of buried gas pipeline near church building. Mitigation recommendations to protect occupants.
Development and implementation of less costly and more architect-friendly design guidelines for balanced window systems and blast-resistant curtain walls.
Blast Visualization Springfield, Virginia The Boeing Company WAI Prime
Adaptation of Flex Templates System (FTS) for integration with Boeing's SiteSeer facility survey software and RAVEN visualization software.
US Military Installation Protection United States US Air Force ProLogic; Boeing Autometric
Use of Weidlinger's software program FLEX to analyze blast response of vulnerable military-base buildings.
2002
Acoustic Monitoring of Bridge Cables New York, New York Departments of Transportation WAI Prime
Determination of rate and location of cable-wire failures with acoustic monitoring to improve inspection site selection.
2001
Bubble Screens United States US Department of the Navy WAI Prime
Protection of ships from mine explosions through repurposing of acoustic system that injects air bubbles between ship's surface and the water.
Calculation of response of weak aboveground structures and above- and belowground hardened facilities, blast doors, and internal equipment to conventional weapons effects.
Development of 3D models used by manufacturers to produce and inspect microchips more efficiently.
Weapons Storage Facilities Analysis and Testing United States Defense Threat Reduction Agency ARES Corporation
Test planning support to assess safety of US Nuclear Weapon Storage and Security System first-generation aircraft shelters subjected to conventional weapons explosions.
1999
Aircraft Shelter Safety United States Defense Threat Reduction Agency ARES Corporation
Analysis of response of aircraft shelters subjected to abnormal mechanical environments, including conventional weapons effects and aircraft and engine impacts.
High-Value Fixed Targets Analysis Washington, DC Defense Nuclear Agency WAI Prime
Design recommendations based on pre- and post-test code validation for enhancement of shallow-buried and hardened structures to resist conventional and nuclear blast loadings.
Weapons Storage Facilities Safety United States Defense Threat Reduction Agency ARES Corporation
Safety assessment of US nuclear weapons in first- and third-generation aircraft shelters subjected to internal conventional weapons explosions.
Development of statistical models to estimate risks of transporting hazardous cargo in canisters by airplane. Tested on actual canisters and decommissioned aircraft.
Ultrasonic Inspection of Reactors United States Electric Power Research Institute WAI Prime
Use of 3D geometric modeling and ray-tracing software for ultrasonic inspections of NRC-regulated nuclear reactors, refineries, and naval propulsion systems.
1993
Seismic Damage Assessment of Lifelines Watsonville, California NSF/NCEER WAI Prime
Inspection and evaluation of interaction and damage among lifelines in aftermath of Loma Prieta earthquake.
1991
Pipelines and Telecommunications Seismic Study United States National Science Foundation WAI Prime
Development of award-winning design and risk methodology to study typical voice and banking networks, including field experiments at Parkfield fault.
Seismic Experiment of Water Pipes Parkfield, California National Science Foundation WAI Prime
Design, fielding, and monitoring of buried water pipe over San Andreas fault for post-earthquake performance evaluation and ongoing field experiments.
Seismic Study of Telecommunications Network Everett, Washington GTE WAI Prime
Seismic assessment of GTE voice network telecommunications facilities for US Geological Survey.
Seismic Study of Telecommunications Network Stanford, California Stanford University Communications Services WAI Prime
Inspection and analysis of seismic vulnerability of Stanford's telecommunications network.