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Showing 1 to 20 of 323 for “"finite element analysis (FEA)"”.
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Design Optimization of a Composite Wing Box for High-Altitude Long-Endurance Aircraft
… is described which uses a NASTRAN-based Finite Element Analysis (FEA), and the Hierarchical Evolutionary Engineering Design System (HEEDS) MDO software to define a locus of acceptable, optimized wing box design definitions.</p>
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Dynamic Stability Evaluation of an Automotive Turbocharger Rotor-Bearing System
… analyses. The capabilities of a commercial Finite Element Analysis (FEA) code (computer program) were implemented in the investigation process. Several different hydrodynamic journal bearings were employed in the study of the turbocharger linearized dynamic stability. The research …
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Failure Prediction of Honeycomb Panel Joints using Finite Element Analysis
… predicting sandwich panel joint capability using finite element analysis (FEA) is possible. This allows for the potential elimination of coupon testing early in a spacecraft design program to determine joint capability. Linear finite element analysis (FEA) in NX Nastran was used to show that …
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Three-Dimensional Modeling and Finite Element Analysis of the Human Diaphragm
… behavior under physiological loading via Finite Element Analysis (FEA). ITK-SNAP was used for medical image segmentation, CATIA V5 for 3D reconstruction, and ANSYS for simulation under various pressure scenarios. The reconstructed diaphragm model was validated against anatomical landmarks …
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Finite Element Modeling and Experimental Validation for Off-Road Tire Performance
… soils to improve predictive models using finite element analysis (FEA). Through simulations and physical testing, this study analyzes how various operational and design parameters influence soil deformation and vehicle mobility. The findings are foundational for advancing off-road tire …
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Numerical investigation of dispersion in Hopkinson Pressure Bar
… rates between 102 S-I and 104 S-I. Explicit Finite Element Analysis (FEA) codes are increasingly used to model HPB experiments numerically, due to the complicated boundary conditions imposed by tensile and shear SHPB experiments. However, most publications on numerical modelling of HPB …
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Effect of Thermally Induced Deformation in a Supersonic Combustion Facility
<p>Nastran and ANSYS finite element analysis (FEA) and Wind-US computational fluid dynamics (CFD) solvers are used to simulate the effect of thermal deformation on the reacting flow developing within the University of Virginia (UVa) Supersonic Combustion Facility (SCF). A detailed …
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Diagnostic test and analytical methods for resolving fan/motor vibration problems in air-conditioning units
… objective of this thesis is to develop test and analysis procedures to revise ASHRAE Standard 87.1 Standard for small (<36 in. diameter) propeller fans. Test and analysis procedures also need to be used to convert AHRAE Standard 87.1 - 1992 test results where the fan hub mobility is zero to …
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Design and Manufacturing of a Mecanum Wheel for the Magnetic Climbing Robot
… presented using Computer Aid Software, CAD and analysis tools, such as Finite Element Analysis, FEA. The different concepts were hand sketched using various parameters and then implemented in a CAD software-- CATIA. The Mecanum Wheel's feasibility was thoroughly studied through ANSYS software. …
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Thermal Modeling of Lithium-Ion Energy Storage Systems for Hybrid Electric Vehicles Using Computational Fluid Dynamics with Conjugate Heat Transfer
… system designed for HEV applications. The analysis uses estimated current values from powertrain simulation software, fundamental heat transfer principles, finite element analysis (FEA), and computational fluid dynamics (CFD) tools to predict the temperature distributions in battery …
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Hydrostatic Pressure Testing of a Square-Cross Section Stainless Steel Propellant Tank Manufactured Using Selective Laser Sintering
… on the propellant tank were recorded. A finite element analysis (FEA) model, which assumes isotropic material properties, was generated and a FEA analysis was ran at several pressure loads. The tanks strain data at the corresponding pressure loads from the HPT was then compared to the FEA …
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Design of nylon-carbon fiber composite gears
… is presented, and simulations applied using Finite Element Analysis (FEA) to determine load characteristics between traditionally manufactured gear profiles and the optimized design. The comparison between the traditional gear design and the optimized for composite additively manufactured …
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LIGHTWEIGHT AND ADVANCE PRECAST CONCRETE SYSTEM FOR MODULAR BUILDING CONSTRUCTION
… the use of lightweight concrete. Based on the finite element analysis (FEA) of two buildings with similar configurations and global aspect ratios, the long-term service limit state (long-term SLS), seismic action performance, ultimate limit state (ULS), and staged construction are compared to …
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Modeling of ultrasonic processing
This paper presents a finite element analysis (FEA) of ultrasonic processing of an aerospace-grade carbon-epoxy composite laminate. An ultrasonic (approximately 30 kHz) loading horn is applied to a small region at the laminate surface, which produces a spatially nonuniform strain energy field …
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Design and implementation of cantilever probe holder for tapping mode atomic force microscopy
… in air and in liquid. Classical plate theory, finite element analysis (FEA), and non-parametric system identification are used to validate the structure dynamics of the cantilever probe holder.
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Development, model validation, and preliminary experimental verification of an FEA program for structural analysis of casing in casing for oil wells.
… state. A memory efficient parallelized in-house Finite Element Analysis (FEA) program based on classical elasticity theory is developed to analyze a 2D and 3D model of this pipe-in-pipe configuration. The program is compared to commercial software for verification of the mathematical application. …
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Advanced generation NIOSH automatically deployable rollover protective structure (AutoROPS)
… and cost effective. Using ANSYS software for Finite Element Analysis (FEA) simulated the new design. The results generated through this investigation satisfy the SAE standard requirements for all the expected applied loads.
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Experimental and Numerical Investigation of Residual Stresses in Shot Peened Flange Pin of Landing Gears
… diffraction (XRD) technique and numerically via finite element analysis (FEA) using Abaqus package. The experimental data show that at the surface of the peened flange pin the residual stresses in longitudinal and circumferential direction of the flange pin are all compressive, with the latter …
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Development, model validation, and preliminary experimental verification of an FEA program for structural analysis of casing in casing for oil wells.
… state. A memory efficient parallelized in-house Finite Element Analysis (FEA) program based on classical elasticity theory is developed to analyze a 2D and 3D model of this pipe-in-pipe configuration. The program is compared to commercial software for verification of the mathematical application. …
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