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Mechanical Design

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Mechanical Design

Mechanical Engineering Expert Witnesses

Barr Group's mechanical engineering and mechatronics expert witnesses consult with attorneys in litigation.  Our experts in mechanical design and related technologies have hands-on experience designing from simple enclosures to complex machinery.  Barr Group experts have testified in high-profile bench and jury trials.

Need an expert in mechatronics?  Contact us >

Mechanical Systems

Mechanical engineering and machine design are important across a wide range industries, with practical applications ranging from automotive design to industrial automation and manufacturing. As well, thermal management is an important area for technological innovation with todays' super-powered electronics and overheating data centers, including for cryptocurrency mining. Barr Group's team of expert mechanical engineers and industrial engineers is deeply experienced with mechanical design including:

  • Rapid prototyping and 3D printing
  • Electronic connectors and semiconductor packaging
  • Industrial robotics and automation systems
  • Mechatronics (i.e., integrated mechanical-electrical systems)
  • Gearing and other energy transfer systems
  • Thermal management and thermal analysis
  • Liquid-immersion cooling and cold plates
  • Data center heat management and cooling systems
  • HVAC (heating, ventilation, and air conditioning) systems
  • Wind turbines and generators
  • Fluid systems design

Barr Group's experts are familiar with the specialized software platforms used for mechanical design, such as SolidWorks, AutoCAD, ANSYS, and Siemens NX, along with the MATLAB programming language.  Our mechanical engineering experts are just as comfortable reviewing manufacturing processes as product development lifecycles (including PLM tools). They are also well-versed in meeting a range of design criteria and designing for optimal performance and reliability.

Request your mechanical design expert now >

Expert Witness Services

Barr Group's mechanical design experts support plaintiffs and defendants in litigation in U.S. District Courts and State Courts, at the International Trade Commission (ITC), and before the Patent Trial and Appeal Board (PTAB) as well as in arbitration. Our services include:

  • Technical assistance with drafting of discovery requests
  • Computational Fluid Dynamics (CFD)
  • Finite Element Analysis (FEA)
  • Structural and stress analysis
  • Prior art review for patent invalidity
  • Reverse engineering, including disassembly of complex systems
  • Expert reports, declarations, and witness statements
  • Testimony at deposition, oral hearings, and trials

Our experience with mechanical engineering and mechatronics is extensive and includes expert testimony in patent and trade secrets litigation.

How can we help you today? >

The following is a representative subset of Barr Group's experts who have experience designing and/or testifying about these technologies:

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Microfluidic Flow Diagnostics Expert Profile

Professor of Mechanical Engineering at a major research university, this expert brings over 25 years of experience in microfluidic flow diagnostics, particle image velocimetry, and micro- and nanoscale fluid mechanics. A pioneer in developing advanced diagnostic techniques for characterizing fluid flows in MEMS, bio-MEMS, and microfluidic devices, with over 100 published journal articles, 11 U.S. patents, and co-authorship of a leading microfluidics textbook. Combines deep technical expertise with extensive expert witness experience and demonstrated litigation readiness.

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(866) 653-6233

Cardiovascular Biomechanics Expert Profile

Professor of Biomedical Engineering with 17 years of experience in computational modeling of cardiovascular systems and medical devices. Specializes in patient-specific hemodynamic simulation, prosthetic heart valve mechanics, and fluid-structure interaction analysis. Key expertise encompasses image-to-simulation pipelines, virtual surgical planning, 3D and 4D hemodynamic simulations, and mechanobiology.

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(866) 653-6233

Advanced Materials and Nanotechnology Expert Profile

Professor of Mechanical Engineering Technology and Physics with more than twenty-five years of experience in materials science and engineering, particularly in nanotechnology and thin film technologies. This expert specializes in carbon nanotube functionalization, combustion CVD thin film deposition, and nanoindentation characterization of advanced ceramic composites. Combines deep academic expertise with practical experience in commercializing advanced materials and devices. Holds multiple U.S.

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(866) 653-6233

OLED Device Physics Expert Profile

Expert in OLED device physics and electroluminescent display stability, this specialist brings over 18 years of deep technical experience in device fabrication, characterization, and failure analysis mechanisms. Holds specialized expertise in device optimization, degradation analysis, and advanced diagnostic techniques for organic optoelectronic systems. Currently serves as independent consultant providing expert witness testimony on OLED technology, patent infringement analysis, and reverse engineering of display components and materials.

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(866) 653-6233

Industrial Fiber Laser Systems Expert Profile

Fiber laser systems engineer and business executive with three decades of experience in the design and commercialization of advanced laser architectures for welding, cutting, additive manufacturing, and semiconductor micromachining applications. Key specialties include diode-pumped fiber laser design, variable beam parameter control, manufacturing process optimization, and laser material interactions.

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(866) 653-6233

Carbon Nanotubes and Nanomaterials Expert Profile

A senior materials scientist and engineer with over two decades of research faculty experience at leading research institutions, specializing in carbon nanotube synthesis, functionalization, and advanced nanomaterial applications. Expert in nanomaterial design for energy storage, aerospace systems, field emission applications, and electronic packaging systems. This expert holds multiple U.S.

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(866) 653-6233

Electronics Cooling and Thermal Management Expert Profile

Professor of mechanical engineering and endowed chair holder in energy technology with over 38 years of research experience in thermal management and electronics cooling. Specializes in mini-channel and micro-channel cooling systems, two-phase refrigerant cooling, liquid immersion cooling, and computational fluid dynamics for high-performance electronics.

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(866) 653-6233

Optical Coherence Tomography and Biomedical Imaging Expert Profile

Professor of Physics & Astronomy and Biomedical Engineering with over 15 years of leadership in advanced biomedical optical imaging. This expert specializes in optical coherence tomography (OCT) systems, tissue biomechanics measurement, and contrast-enhanced imaging using magnetic and plasmonic nanoparticles.

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(866) 653-6233

Automotive Crash Sensor Systems Expert Profile

Senior expert in automotive crash safety systems with over two decades of experience in restraint system design, airbag sensor algorithms, and vehicle diagnostics at major automotive manufacturers. Specializes in occupant detection sensing, crash pulse analysis, vehicle electrical architecture, and accident reconstruction. Holds advanced degrees in Electrical Engineering and Chemical Engineering, plus Juris Doctor and MBA, and is a Licensed Professional Engineer, Six Sigma Black Belt, and CISSP certified.

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(866) 653-6233

Automotive Mechatronic Systems Expert Profile

Senior automotive engineering executive with over 30 years of expertise in mechatronic actuation systems and electromechanical chassis control mechanisms across product development leadership roles at major Tier 1 suppliers worldwide. This expert possesses demonstrated expertise spanning the complete product lifecycle from concept through production, with particular strengths in functional safety analysis (ISO 26262), FMEA methodology, and automotive cybersecurity.

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(866) 653-6233

Robotic Surgical Systems Expert Profile

Mechanical engineer with over 30 years of experience in robotic surgical systems, teleoperated instruments, and simulation-based surgical training. Expert in 3D endoscopic imaging, surgeon interface design, and robotics control architectures. Holds 30+ patents in surgical robotics and medical device innovations, with deep expertise in FDA IEC 60601 compliance, haptic interface development, and physics-based tissue modeling.

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(866) 653-6233

Fiber Optic Telecommunications Expert Profile

Licensed electrical engineer with over 20 years of specialized expertise in fiber optic communications, connector design, and optical telecommunications systems. Expert in Optical Beat Interference mitigation, polarization diversity optimization in fiber-to-the-x networks, and advanced manufacturing processes. Holds advanced degrees in electrical engineering and business administration with significant global leadership in manufacturing quality and design for manufacturability.

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(866) 653-6233

Graphical User Interface and Usability Expert Profile

Human factors engineering professional with 44 years of experience in usability science, graphical user interface design, and product ergonomics. This expert is President of a usability consulting firm specializing in landmark product designs across handheld communication devices, financial trading systems, and consumer electronics. A named inventor on multiple U.S. utility and design patents, this expert has served as testifying expert in over 75 major intellectual property cases and directed amicus briefs with favorable court outcomes.

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(866) 653-6233

GPU Collision Detection and Robotics Expert Profile

Professor of computer science with over 30 years of academic and research experience in GPU-based parallel algorithms, collision detection, and real-time simulation across computer graphics, robotics, and computational geometry. This expert is among the most prolific researchers in these areas, having authored over 800 peer-reviewed papers, won 22 best paper and test-of-time awards, holds 17 patents licensed worldwide, supervised 53+ PhD dissertations, and serves as a Fellow of ACM, AAAS, AAAI, IEEE, and the National Academy of Inventors.

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(866) 653-6233

Lithium-Ion Battery Systems Expert Profile

Senior electrical engineer with over 25 years of experience in battery systems, electric vehicle powertrains, and advanced energy storage. This expert specializes in battery pack design, integration, and thermal management for automotive OEM and Tier 1 supplier applications, with deep expertise in lithium-ion chemistry, battery management systems, and vehicle powertrain architecture. Currently operates an independent consulting practice and has provided expert testimony in product liability, class-action, and patent disputes involving battery systems and failure analysis.

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(866) 653-6233

E-Cigarette and Vaporizer Design Expert Profile

Senior industrial designer and mechanical engineer with over three decades of experience bringing innovative consumer electronics to market, with pioneering work on e-cigarette and vaporizer design. As leader of a design consulting firm, this expert has directed the design and engineering of over 150 products for multinational clients.

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(866) 653-6233

Video Game Software and Console Development Expert Profile

Senior expert with over four decades of specialized experience in video game software development, console game system reverse engineering, and advergaming technology. This expert holds multiple U.S. patents in gaming and interactive technology, with pioneering achievements spanning reverse-engineering major gaming console systems and architectures, establishing foundational gaming development studios, and developing innovative digital advergaming platforms and interactive marketing solutions.

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(866) 653-6233

Electrochemical Materials and Polymer Membranes Expert Profile

Chemical engineering expert and leading authority on polymer membrane design and synthesis for electrochemical energy conversion and storage systems, with over two decades of experience in ion transport properties, membrane materials, and electrochemical systems. This expert has published over 220 peer-reviewed journal articles (29,000+ citations, h-index 84), holds 12 patents for polymeric materials and energy applications, and has received prestigious federal recognition.

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(866) 653-6233

Thermal Management and Electronics Cooling Expert Profile

Assistant Professor specializing in advanced thermal management for high-performance electronics, with over a decade of industry experience designing cooling systems. This expert possesses deep expertise in two-phase immersion cooling, cryogenic techniques, and thermal interfaces, combined with rigorous understanding of boiling heat transfer and packaging solutions.

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(866) 653-6233

Semiconductor Manufacturing and Process Control Expert Profile

Engineering executive with over 40 years of experience in semiconductor manufacturing process control, advanced process control software systems, and ASIC yield modeling. Brings deep expertise spanning fab automation, lithography process control, wafer-level metrology integration, and embedded industrial instrumentation. Senior manager at a leading semiconductor manufacturer with subsequent leadership directing hundreds of engineers across multiple design and manufacturing centers.

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(866) 653-6233

Flip Chip and Wafer-Level Packaging Expert Profile

Semiconductor packaging engineer with over 40 years of expertise in flip chip bumping, wafer-level packaging, and solder-based interconnect technologies. Recognized as a leading authority in IC assembly processes and advanced packaging design, with specialized knowledge in multi-chip module integration and chip scale packaging for semiconductor applications. Has provided extensive expert witness and consulting services to major semiconductor manufacturers and equipment suppliers. Holds 13 issued U.S.

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(866) 653-6233

Solid-State Lighting and Flight Control Systems Expert Profile

Professor and optical engineer with over 30 years of specialized expertise in solid-state lighting systems, unmanned aerial vehicle design, and embedded control technologies. This expert holds a Ph.D. in Electrical Engineering from the University of Central Florida and has authored 30 U.S. and international patents spanning LED color control, multi-rotor flight systems, and optical measurement technologies. Their deep technical foundation spans optical performance measurement, flight control system architecture, and advanced LED color temperature control design.

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(866) 653-6233

Crystalline Coatings and Optical Cavity Systems Expert Profile

Managing director with deep expertise in crystalline semiconductor coatings and optical cavity systems, bringing over two decades of experience advancing quantum optics and precision measurement technologies. This expert pioneered substrate-transferred epitaxial heterostructures that reduced Brownian noise in precision instruments by an order of magnitude. Recognized as fellow of leading professional optical societies and recipient of prestigious international innovation awards; author of over 130 peer-reviewed publications in Nature, Science, and top-tier photonics journals.

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(866) 653-6233

SCADA Industrial Process Control Expert Profile

Engineer with thirty five years of energy industry experience primarily in the areas of industrial process design, safety and control systems integration, and plant operations.
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(866) 653-6233

Automated Conveyor Systems Expert Profile

Industrial systems engineering expert in material handling systems for packaging and production, including conveyors and conveyor systems.
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(866) 653-6233

Industrial Automation Robots Expert Profile

Professor of mechanical and computer engineering with two decades of industry and academic experience in automation, mechatronic, and robotic system design.
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(866) 653-6233

Class II and III Medical Device Expert Profile

Consultant specializing in regulatory and clinical research with extensive experience in Class II and Class III medical devices in FDA and ISO-regulated environments.
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(866) 653-6233

Automotive Vehicle Dynamics Expert Profile

Mechanical engineer with decades of experience in vehicle performance specification, testing, and dynamics, including ride / handling / suspension / steering / tires.
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Telephone:
(866) 653-6233

Electronics Cooling and Heat Transfer Expert Profile

Mechanical engineering professor and expert in thermofluid issues with extensive expertise in heat transfer, combustion, energy systems, and thermal management.
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(866) 653-6233

Electronic Vehicle Controls Expert Profile

Engineering consultant with forty years of experience in the automotive electronic subsystems sector and transportation systems including hybrid vehicles.
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(866) 653-6233

Energy Storage and Transfer Expert Profile

Professor of electrical and computer engineering with over twenty-five years of experience in materials science, systems engineering and design of microelectronics.
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(866) 653-6233

Mechanical-Electrical-Software Expert Profile

Engineering consultant with hands-on industry experience in mechanical and electrical design as well as software and firmware development and testing.
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(866) 653-6233

Battery Chemistry Expert Profile

Electrochemist and materials engineering consultant with thirty years of experience and expertise in all aspects of battery systems and energy storage.
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(866) 653-6233

Battery and Power Electronics Expert Profile

Electrical engineer and expert in battery and power electronics technology with special technical expertise in motor drives and inverters.
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(866) 653-6233

Race Vehicle Engineering Expert Profile

Automotive engineer with twenty five years of experience in vehicle design as well as in forensic consulting for attorneys regarding product liability litigations.

Expert K325N
Video Game Software and Console Development Expert

Senior expert with over four decades of specialized experience in video game software development

Link to Profile Page
Expert G200S
Thermal Management and Electronics Cooling Expert

Assistant Professor specializing in advanced thermal management for high-performance electronics,

Link to Profile Page
Expert D265M
Solid-State Lighting and Flight Control Systems Expert

Professor and optical engineer with over 30 years of specialized expertise in solid-state lightin

Link to Profile Page
Expert F526R
Semiconductor Manufacturing and Process Control Expert

Engineering executive with over 40 years of experience in semiconductor manufacturing process con

Link to Profile Page
Expert M245N
Robotic Surgical Systems Expert

Mechanical engineer with over 30 years of experience in robotic surgical systems, teleoperated in

Link to Profile Page
Expert O435K
Optical Coherence Tomography and Biomedical Imaging Expert

Professor of Physics & Astronomy and Biomedical Engineering with over 15 years of leadership

Link to Profile Page
Expert S520U
OLED Device Physics Expert

Expert in OLED device physics and electroluminescent display stability, this specialist brings ov

Link to Profile Page
Expert W640Y
Microfluidic Flow Diagnostics Expert

Professor of Mechanical Engineering at a major research university, this expert brings over 25 ye

Link to Profile Page
Expert K520Y
Lithium-Ion Battery Systems Expert

Senior electrical engineer with over 25 years of experience in battery systems, electric vehicle

Link to Profile Page
Expert S500O
Industrial Fiber Laser Systems Expert

Fiber laser systems engineer and business executive with three decades of experience in the desig

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