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Showing 1 to 20 of 21 for “"FE Simulation"”.

  1. Accurate FE-simulation of three-dimensional microstructures

    Müller, Jens

    … which to automatically control the accuracy of simulation results obtained by finite element (FE) computations. It is especially designed to meet the requirements that are present when simulating micro-electro-mechanical systems (MEMS). The software tool aims to improve the solution accuracy of …

    freiburg-diss Repository record

  2. 3D FE simulation of the welding process to optimise residual stress profiles in complex geometries

    Jiang, WeiUniversity of Wolverhampton2006

    … documents the development of a full 3D FE model for multipass welding simulation. A generalized plane strain model was first developed. Modelling techniques, including standard versus contact boundary conditions, sequentially versus fully coupled models, were investigated. A 3D …

    wlv Repository record

  3. Experimental investigations and finite element analyses of interface heat partition in a friction brake system. New modelling paradigm for describing friction brake systems to support studies of interface temperature, contact pressure, heat flux distribution and heat partition ratio by experiment and FE simulation

    Qui, LeUniversity of Bradford2018

    … primary design considerations for developing effective disc brake system performance. Very high braking temperatures can introduce effects detrimental to performance such as brake fade, premature wear, brake fluid vaporization, bearing failure, thermal cracks, and thermally-excited vibration …

    bradford Repository record

  4. Frequency Dependent Mechanical Properties of Elastic Metamaterials with Locally Resonant Microstructures

    Shen, Xiaohui

    … these elastic metamaterials, if represented by effective continuous media, would exhibit frequency dependent characteristics. This phenomenon was studied from the energy propagation point of view. Based on the monatomic mass lattice model, two band gap formation mechanisms were proposed. For each …

    purdue-thes Repository record

  5. Biomechanical analysis of traumatic brain injury by MRI-based finite element modeling

    Chen, YingUniversity of Illinois at Urbana-Champaign2012

    The finite element (FE) modeling is a powerful tool for investigating the physical process producing head trauma, and a well validated model would, thus, be a valuable tool to aid in injury diagnosis and design of protective devices. Many FE head models with various degrees of simplification have …

    uiuc Repository record

  6. Application of data-driven neural networks to bio-inspired lattice design and prediction of multiphysics solution fields

    Kushwaha, ShashankUniversity of Illinois Urbana-Champaign2025

    … magnitude relative to finite element analysis (FEA). Bio-inspired, low-porosity lattices take design inspiration from sheep horns and hooves and are evaluated under dynamic transverse compression. A gated recurrent unit (GRU) predicts stress-strain curves and energy absorption from geometric …

    uiuc Repository record

  7. Methodology to determine post yield material mechanical properties from spherical indentation

    Konda, Bharath2019

    … process is analyzed by finite element (FE) method and a systematic analysis of relationships between indentation parameters and true stress/plastic-strain (sigmat- epsilonp) curve is performed for a range of material properties. A detailed methodology based on Tabor's empirical formula …

    wvu Repository record

  8. Simulated Automobile and Rotary-Wing Aircraft Impacts: Dynamic Neck Response after Surgical Treatment for Cervical Spondylosis

    White, Nicholas AlanVirginia Tech2014

    … loading. While literature exists comparing the effects of cervical arthrodesis and cervical arthroplasty on neck kinematics and loading, the vast majority of these studies applied only quasi-static, non-injurious loading conditions. This dissertation research used a state-of-the-art, full body …

    vt Repository record

  9. Numerical analysis of direct-chill casting of aluminum ingot

    Wu, Yaping2019

    … failure.;Based on a fully coupled heat-transfer and thermal-stress analysis model, which has been developed using a commercial finite element (FE) package ABAQUS(TM) with a user subroutine developed in-house, the temperature and stress fields were obtained for various casting conditions. …

    wvu Repository record

  10. Mechanical Effects of Surgical Adhesives on Ascending Thoracic Aortic Aneurysm Replacement

    Qiu, Dong2018

    … This study aims to investigate mechanical effects of four commonly used surgical adhesives, namely BioGlue, CoSeal, Crosseal, and Tisseel, on the suture site using in-vitro digital image correlation (DIC) method and finite element (FE) simulations in an ovine model. In this study, first, …

    denver Repository record

  11. Finite Element Simulation of the MRTA Test of a Human Tibia

    Ragone, Jared GeorgeVirginia Tech2006

    … stiffness over a range of low frequencies, offering a wealth of information on bone composition. Previous MRTA interpretation used lumped parameter algorithms focused on reliably estimating the bone's bending stiffness (EI). To interpret the stiffness response, the first finite element (FE) …

    vt Repository record

  12. Passive Noise Control in Incubators

    Mitchell, Morgan AdrienneVirginia Tech2013

    … Levels (SPL) that can have detrimental effects on infants. Currently measured SPL in NICU's using traditional incubators are above the recommended 45 dB[A] threshold value [1]. Due to operating equipment and environmental noise, the sound level that is perceived by the developing newborn …

    vt Repository record

  13. Predicting hybrid vehicle fuel economy and emissions with neural network models trained with real world data

    Galang, Abril, author, Jathar, Shantanu, advisor, Bradley, Thomas, advisor, Anderson, Chuck, committee memberColorado State University. Libraries2017

    Physics-based hybrid vehicle simulation models for fuel economy (FE) exist but are computationally and financially expensive. These models simulate aspects of real-world drive cycles that include the driving environment, thermal management, driver input, and powertrain component behavior. In this …

    colostate Repository record

  14. Finite element and experimental evaluation of injection forging for the forming of automotive fasteners

    Chen, SenyongUniversity of Strathclyde2017

    … of injection forging by finite element (FE) analysis and physical experiment. For the comparison of the conventional forming process with injection forging, ABAQUS and DEFORM were used to conduct FE simulations of the forming of a wheel bolt. Axisymmetric models were developed with both …

    strathclyde Repository record

  15. Delamination damage of carbon fiber-reinforced polymer composite laminates under cyclic shear-induced loading conditions

    Abdullah, Muhammad A’imullahUniversiti Teknologi Malaysia2018

    … underlying the delamination process and effect of stress ratio. The objective of the study is to extend the existing CZM to account for the delamination damage evolution of CFRP composite laminates under cyclic shear-induced loading conditions named as cyclic cohesive zone model (CCZM). In …

    uthm Repository record

  16. Characterisation of Glass Fibre Polypropylene and GFPP based Fibre Metal Laminates at high strain rates

    Govender, Reuben AshleyBlast Impact and Survivability Research Unit2011

    … response for the high rate testswas markedly different from the quasi-static tests, for both the GFPP and FML specimens. Finite element (FE) simulation of the quasi-static and impact rate SLB tests on GFPP indicated that the difference was probably due to the interaction of flexural vibrations …

    cape-town Repository record

  17. Computer aided design and construction of a multi-point positioning actuator system

    Shi, ZanUniversity of Abertay Dundee1997

    … more complicated than the triac based one, it offers better performance and more flexibility in control methods.<br/><br/>A second order spring-mass-damper system was used as the fundamental model of the actuator system. The control algorithm consists of a digital controller, a non-linear …

    abertay Repository record

  18. Defect characterization in concrete elements using vibration analysis and imaging

    Oh, Tae KeunUniversity of Illinois at Urbana-Champaign2012

    … is used to identify and characterize internal defects in concrete structures. However large testing volumes associated with the infrastructure demand many tests, which can be labor-intensive and time-consuming; contactless, air-coupled IE tests offer a solution to this limitation. In this study, …

    uiuc Repository record

  19. Biomechanical characterization and computational modeling of the anterior eye

    Jouzdani, Sara2013

    … To quantify the relative stiffness of different sections of the iris, mechanical indentation tests and histological analysis in combination with a three- dimensional finite element (FE) simulation were performed. The iris was divided into three regions and the indentation tests were …

    umn Repository record

  20. Pedestrian Head Protection During Car To Pedestrian Accidents: In The Event Of Primary Impact With Vehicle And Secondary Impact With Ground

    Gupta, Vishal2014

    <p>Current regulations for assessing pedestrian safety use a simplified test setup that ignores many real-world factors. In particular, the level of protection is assessed using a free-motion headform impacting the vehicle's hood at a fixed angle. As such, this test setup does not capture the …

    wayne-thes Repository record

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