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Teaching and tutoring of mathematics and physics;
There are two kinds of emission testing that Expert has done: sound pressure and sound power. Using sound pressure, Expert has determined local dB and/or dBA levels as well as measures of psychoacoustic metrics, such as Zwicker loudness, sharpness, intelligibility,…
Predictive Diagnostics, Machinery Vibration, Industrial Data Science, Sensors and Instrumentation, and Industrial IoT
Expert spent many years working with vibration issues in machinery. His experience ranges from engineering research and design of low noise and vibration machinery to practical vibration analysis and control of machinery installed in the field. The success in resolution…
Hardware Reliability Testing; Vibration and Shock, Climatic Testing
Expert has actively worked with clients for many years to specify, set up, perform, and report on accelerated environmental testing. Sample products include electro-optical systems, cell phones, roller coaster audio systems, helmet mounted displays, automotive and medical equipment. Expert has…
Structural Design and Analysis
Expert J. Expert has expertise in structural design and analysis in structures used in industrial applications. He has considerable consulting experience in the offshore petroleum development industry and the power industry. In the former, he served as structural discipline engineer…
Computer Systems Hardware and Software Verification Testing and Audio Engineering
Expert C. Expert is experienced in testing the acoustical emission characteristics of PCs that AT&T had developed wherein tests were performed in an anechoic chamber to measure the noise being emitted from the PC. This was done to verify that…
Compliant Mechanisms, Flexure/Torsion Hinges, MEMS, Microsystems, and Finite Element Analysis
Expert notes that both of Castigliano's theorems are excellent tools in quantifying deformations and loads (external or reaction) of elastic bodies under small- or large-deformation modeling assumptions. He has extensively applied these theorems in finding closed-form solutions for compliances or…
Sensing & Measurements, Quantum Mechanics, Solid State, & Thermal & Optical Technology
Expert received his Ph.D. in condensed-matter physics. He used quantum mechanics and Surface Green Function techniques to calculate electronic states and electronic bands at metallic superlattices, discovering, for example, the existence--under determined conditions-of the so-called Fermi beaches with high density…
Machine Tools, Semiconductor Process Equipment, Machine Dynamics, Metrology
In his research on structural dynamics, Expert employs the techniques of finite element analysis extensively. He regularly uses ANSYS, NASTRAN, Pro/Engineer, and SDRC Master Series in analyzing a variety of static, transient, thermal, and eigenvalue problems. Examples of his recent…
Structural Analysis, FEA
ROTATING EQUIPMENT FAILURE ANALYSIS. Expert has applied his knowledge of the finite element method and his field experience with hardware to evaluate, analyze, and upgrade the design of a wide range of rotating equipment. He has worked with fans, compressors,…
Mechanical Noise/Vibration
Expert has expertise in many aspects of automotive noise control and issues related to sound quality. His research has been on technology's cutting edge in transmission noise, brake squeal, and electro-mechanical actuator noise. He has also consulted on engine noise,…