Portfolio

Mural of Expert Witness / Forensic Cases

Sample of Projects in our Portfolio Which Highlight a Diversity of Engineering and Legal Cases we’ve Worked On.

For over 40 years, we have assisted numerous clients solve complex problems enabling them to increase production performance, and become more cost efficient. We are constantly updating this page – stop by again!

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  • Aerospace Engineering
  • Civil / Structural Engineering Projects
  • Engineering Consulting Projects
  • Engineering Expert Witness Projects
  • Failure Analysis Projects
  • Fatigue Analysis Projects
  • Finite Element Analysis (FEA) Projects
  • Mechanical Engineering Projects
  • Technical Services

$16 Million Award for Collapsed Bauxite Conveyor System – Forensic Investigation

$16 Million award in U.S. District Court over Collapsed Bauxite Conveyor System - Forensic Investigation.
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Static & Dynamic Finite Element Analysis Model- Test Foundation

Static & Dynamic FEA Analysis – Foundation at Turbomachinery Test Facility

Static & dynamic finite element analysis (FEA) performed on 2 foot thick concrete foundation used to test turbomachinery
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Repair Process of Cast ASTM A743 Turbine Blades Exhibiting Imperfections

Repair of Cast ASTM A743 Grade CN6NM Turbine Blades exhibiting imperfections Turbine blades made by a particular manufacturer are a complex shape that requires them ...
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Investigation of Leaking Stainless Steel Ball Valve in a Pipeline

Investigation of leaking and failure on a 1 inch stainless steel (SS) ball valve in a pipeline to determine the cause.
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Cracked Welded Joints on Ladle Turret Rotating Arm

Cracked welded joints on a Ladle Turret Rotating Arm and supporting frame. Investigation to determine stresses at the welded joints
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API 579-1 / ASME FFS-1 Fitness for Service Evaluation on a Wood-Fired Boiler

API 579-1 / ASME FFS-1 Fitness-For-Service evaluation on a steam drum in a wood-fired boiler. The 30,000 pound boiler (120 psi) overheated due to a ...
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Design of Welded Connection Between Wind Turbine Tower and Baseplate

We designed a welded connection between a wind turbine monopole tower and its supporting baseplate to meet British Standard BS EN 1993-1-9:2005 and Eurocode 3 ...
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Weld Repair of Mis-Machined Cast Turbine Blades

Turbine blades made from subject castings were in need of weld repairs caused by machining errors. When blades of specific materials are used in hydro-turbine ...
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Failure Analysis – Panel Coil in a Sterilization Process

Failure analysis & repair of a Panel Coil in a Sterilization Process - 15 Hz forcing frequency of the six-bladed agitator was evaluated.
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Structural and Fatigue Analysis of Buckled Longwall Mining Relay Bar

Relay Bar Call Tom O’Donnell, PE to Discuss Your Engineering Challenges We were asked to perform the structural integrity and fatigue life of an original ...
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Structural Analysis of Design Errors in Electrostatic Precipitator

For hot-side precipitator designs, ductwork designs included temperatures exceeding 700 F, which allow for “thermal breathing”. When these movements are restrained, large forces are created. ...
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Vibration Analysis on the Framework of Hubble Space Telescope       

Vibration analysis on the framework supporting the Hubble Space Telescope. Combined analyses and tests showed that conditions were due to second order shortening of the ...
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Engineering Investigation of an Induction Furnace Undergoing Upgrades

Engineering investigation of issues concerning induction furnace upgrades.
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FEA Analysis of a Exhauster Base Skid in a Combined Cycle Plant

FEA analysis of a base skid, which supports a condensor exhauster system in a combined cycle power generation facility.
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Leaking 2 inch Ball Valve in Midstream Pipeline

A client had a leaking / failure of a 2 inch diameter floating ball valve in a midstream pipeline and asked us to to determine ...
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Image of Fire-Damaged Grain Dryer

Fire Investigation – Commercial Grain Dryer

Root cause fire investigation of 54 foot commercial grain dryer, used to dry soybeans.
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Investigation of Brass Fitting - Showing Inside Corner of

Characterization of Brass Fittings in a Mine Rescue Chamber

Three leaded free machining yellow brass oxygen manifold fittings were evaluated for dimensions and evidence of stress corrosion cracking
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Analysis of Defects on 304 Stainless Steel Mixer Blades

Analysis of Defects on 304 Stainless Steel Mixer Blades - found to be a uniformly sized foreign metallic contaminant averaging 0.028 inches deep
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Risk Assessment of Cracking Mineral Separator Units

Risk assessment on cracking gyratory-reciprocating mineral separators. FEA, Fatigue, weld investigation and analysis.
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Failure Analysis – Cracked Thin Film Heat Exchanger (TFHE)

A manufacturer of a Thin Film Heat Exchanger (TFHE) - which is used in conjunction with other components in high temperature coating applications such as ...
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Failure Analysis & Design Modifications on a Cracked 1,400 Ton Hydraulic Press

Failure analysis & design modifications on cracked 1,400 ton hydraulic press frame. Call Tom O'Donnell about your engineering needs.
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Forensic Investigation of a Failed Steel Tube Chair

Forensic Investigation of an accident involving a failed Steel Tube Chair - using finite-element elastic-plastic large-deflection analysis
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Fire/ Explosion Investigation of LPG Dehydration System

Fire & Explosion Investigation of LPG Dehydration System during Blowdown of Separator Boot using manual ball valves.
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FEA Analysis on Submarine Components

FEA structural, thermal, vibration, shock and fatigue analysis on including heat exchangers on submarine components.
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Engineering Review of Tubesheet / Shell for a Replacement Steam Generator

Review of the head/divider plate/tubesheet/shell complex on replacement steam generators
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Structural Analysis of Fabrication Issues of a Water Treatment Film Evaporator

Structural analysis to determine the impact of oversized holes in the tube support plates of a film evaporator in a water treatment plant
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Failure Analysis - Image of Cracked Brass Fitting

Failure Analysis of Cracked & Leaking Brass Fittings in a Chilled Water HVAC System

Failure analysis on cracked brass fittings exhibiting in a closed loop HVAC system. Call Tom O'Donnell, PE
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Vibration Analysis on Linear Displacement Transducers (Actuators)

Modal and Vibration analysis on linear variable displacement transducers
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Corrosion Investigation on Various Structures in a Refinery

Heavy corrosion was found during inspection of a conveyor at a refinery. We investigated & recommended remediation measures.
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Root Cause Investigation of Gas Well Pipe Rupture

Root cause investigation of a gas well pipe rupture - Well tender was initiating a “post-fracking” procedure-blowback operation to release pressure.
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Ruptured Refinery Bellows – Failure Analysis

Failure analysis of ruptured bellows that spilled hot catalyst at a refinery
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Cracking and Failure of Control Rod Guide Tube (CRGT) Support Pins

Analysis of cracking and failure of Control Rod Guide Tube (CCRGT) Support Pins (Split Pins) in pressurized water reactors.
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Engineering Solution to Control Stress Cracking on Low Pressure Turbine Disks

Engineering solution to introduce residual compressive stresses to control stress corrosion cracking on low pressure turbine disks
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Engineering Analysis of Above-Ground Tanks not Meeting API 650 Code

Engineering and finite element analysis of Above-Ground Tanks not Meeting API 650 Code
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Forensic Fire Investigation of Shipboard Compressor

Forensic Fire investigation of a Shipboard Compressor System
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Forensic Investigation of Propane Pump Explosion

Forensic Investigation of Propane Pump Explosion. Pump was being used to charge aerosol cans with propane propellant at high pressure
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HDPE Clarification Tank FEA

Finite Element Analysis (FEA) on HDPE Clarification Tank to NSF Codes

Structural analysis of the HDPE tanks to satisfy design requirements of the National Sanitation Foundation (NSF)
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$98.8 M Award in Litigation over Refinery Engineering Issues

$98.8 M Award in Litigation over Refinery Engineering & Contractual Issues over litigation involving refinery capital improvement turnaround
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Failure Analysis of Gearboxes Controlling Earth-Station Antennas

Failure analysis of gearboxes controlling Earth-station antennas - metallurgical testing and engineering analysis.
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Forensic Fire Investigation on a Commercial Building

Forensic fire investigation on a commercial building fire. (Fire cause and origin analysis)
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Failure Analysis of In-Service Cracking of Plates in a Lime Hydrator

Failure analysis on 450 plates in a lime hydrator which were cracking in service
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Forensic Investigation of a Pressure Vessel Explosion

Forensic investigation of a pressure vessel explosion - causing serious damage to the plant. The vessels operate under extreme conditions.
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Failure Analysis of Exhauster on High Speed Three-Stage Centrifugal Compressor

Failure analysis of an exhauster - part of a three-stage centrifugal compressor, used to pump exhaust gases out of a coke oven battery
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Finite Element Analysis & ASME Code Section VIII Calculations – Feedwater Heaters

FEA and ASME Code Section VIII Division 2 calculations on feedwater heaters.
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Failure Analysis on a Fracking Pump

Failure Analysis on a Fracking Pump - driven by a transmission via a 2700 HP engine varying in RPM.
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FEA Analysis of an Elevated Temperature Vessel used in Glass Fiber Production

FEA analysis, including creep rupture and creep fatigue performed on Elevated Temperature Vessel used in glass production. Call Tom O'Donnell
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Failure Analysis on Cracked Monorail Guideway

Failure analysis and design recommendations on a cracked monorail guideway
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Stress and Vibration Analysis – Advanced Combustion Turbine

Stress and Vibration Analysis - Advanced Combustion Turbine + harmonic pressure pulse and natural frequencies analysis.
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Failure Analysis of Seized Piston on a Monel Series 3800 Pressure Relief Valve

Failure analysis of seized piston in a Monel pressure relief valve used in oxygen service.
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