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Showing 1 to 20 of 27 for “"FEA Simulation"”.
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Study Of Chaotic Ultrasound And Frequency Sweep Excitations In Sonic Ir Nde Technology
… our study is known as finite element analysis (FEA). According to test process of Sonic IR technology, some special technologies were developed in FEA simulation, such as creating cracks with flat contact surfaces in turbine blade models, two-step simulation method to apply static force and then …
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Enhanced Digital Capability through the use of Simulation in Footwear Product Creation
Digital simulations, such as those utilizing the Finite Element Analysis method, are a common engineering tool in product development to build confidence in product performance and robustness of design. Footwear product creation has historically been a blend of art and science, with design teams …
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An Overview of Body Armor and Single Plate Impact Dynamics
… These experiments were then replicated through FEA simulation.</p>
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A drifter-based self-powered piezoelectric sensor for ocean wave measurements
… parameters. Next, finite element analysis (FEA) simulations using the commercial software COMSOL-Multiphysics have been carried out with the help of a coupled physics analysis of Solid Mechanics and Electrostatics Modules to achieve the output voltages. An experimental prototype has been …
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Design of Floor Joists Manufactured via Large Scale Additive Manufacturing
… in the beam. The designs were put through FEA simulation and small scale testing to determine the best design. Lastly, full large scale trusses for the selected design were printed on a BAAM by Additive Engineering Solutions and tested under typical floor loading conditions. Both simulation …
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PCB Busbar Design and Verification for a Multiphase SiC-based All-electric Aircraft Powertrain Converter
… operated at 40,000 ft. Finite-element analysis (FEA) simulation studies of the PCB busbar are conducted to optimize the electric field intensity. Busbar modeling technic is also discussed to derive the current distribution and extract the loss. The measured partial discharge inception voltage …
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Residual stresses in hot-rolled solid round steel bars and their effect on the compressive resistance of members.
… diameter of the specimens is larger than 100 mm. FEA simulation results also corroborated this experimental observation. (2) For solid round columns with diameters up to 25 mm, both residual stresses and initial out-of-straightness have remarkable influence on the ultimate strength, especially …
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Crack Tip Micromaching by Femtosecond Laser for Fracture Testing of Metal Laminates
… properties of metal laminates followed by FEA simulation to elucidate future experimental potential. The metals investigated are copper, niobium, and copper/niobium accumulative roll bonded (ARB) laminates. The two laminate materials in this study have a nominal layer thickness of 1.8 …
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Behavior of advanced innovative materials for improved long-term bridge performance
… concrete beams based on field investigation and FEA simulation. Seasonal, monthly, and daily thermal characterization of L-beam was studied based on two-year temperature data from an instrumented girder of a pedestrian bridge. The thermal behavior was correlated with climate condition (solar …
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An integrated framework for finite element modelling of ultrasonic inspections of carbon fibre reinforced polymer components
… to allow for accurate Finite Element Analysis (FEA) simulations of CFRP components to be constructed. The developed framework can generate the CFRP model geometry from a range of different sources. This enables the ability to construct models based on the design specification of the component, …
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Design and development of a wind tunnel for the investigation of turbulent compressible mixing layers
… and the practicality of high-resolution flow simulation techniques of the turbulent compressible mixing layer flowfield by means such as large-eddy simulations (LES) and direct numerical simulations (DNS), and the maturation of high-resolution laser-based flow diagnostic techniques such as …
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Twist error response of periodic lattices to strain energy distribution
… in the lattice and the angular wall error. A FEA simulation study quantified the Buckingham Pi results by varying the torsional stiffness ratio of the panels, the initial fold angle and the final lattice length after folding. The results showed that increasing the ratio of the torsional …
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Design and development of mechanical metatarsophalangeal joint for powered ankle-foot prostheses
… performed a static load Finite Element Analysis (FEA) using the Solidworks FEA Simulation Tool. The FEA was performed under the worst-case static load scenarios for the toe and body components of the prosthesis, standing on tiptoe with a dorsiflexion angle of 60' for the toe components and …
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Two-dimensional Mapping of Interface Thermal Resistance by Transient Thermal Impedance Measurement
… X-ray scanning, to construct a thermal model for FEA simulation. The simulation results showed good agreement with the measured Zth result, which verified the accuracy of the test setup. The sensitivity of structure function analysis was then evaluated by measuring thermal resistance (Rth) of …
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Patient-specific thoracic endovascular aoratic repair (TEVAR)
… (comparable to 2.8 N from a commercial example). FEA simulation highlighted various advantages of customised stent-grafts that conform to the anatomy over standard cylindrical devices such as better seal and contact traction. Simulation results (25 mm Ø, cylindrical, electrospun stent-graft) …
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Finite element based modeling of multi-asperity contact and validation of Greenwood-Williamson model
… freedom. To our knowledge, this kind of intense FEA simulation has not been executed for a contact mechanics problem till date. Results of the FE models were compared to results with an extension to an existing analytical model of asperity interaction originally proposed by Ciavarella et al. The …
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Interfacial stress analysis and strengh prediction of plated rc beams
… obtained stresses. A Finite Element Analysis (FEA) based on elastic fracture mechanics is carried out first to provide a detailed study on the stress fields near the plate ends. This becomes the benchmark for the analytic solutions presented in the following chapters. A completed analytical …
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Edge Fracture Prediction Of Dual Phase Steels With Consideration Of Microstructures
… The punching process was further simulated with FEA, and referenced with the experimental observations. Fracture mechanism of hole punching process was deduced.</p> <p>The process of crack initiation and propagation in hole expanding process was studied the next. Scanning Electron Microscope …
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Design and Modeling Environment for Nano-Electro-Mechanical Switch (NEMS) Digital Systems
… NEMS digital systems, we derive a SPICE circuit simulation model (Macromodel) that allows the evaluation of the NEMS based systems using fast circuit simulation techniques with the same accuracy of a slow multi-physics 3D Finite Element Analysis (FEA) model. The 3D FEA model is constructed to …
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Measuring spatially varying elastic modulus of multi-compartment 3D collagen scaffold using indentation
… We established the correction filter using FEA simulation data where indenter is serially applied across a step interface. We argued that due to system linearity the correction filter should apply equally to a step or ramp interface. Intrinsic values of elastic modulus at and near the …
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