Relevant bibliographies by topics / Enhanced FEM stability simulations

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers
  5. Reports

Academic literature on the topic 'Enhanced FEM stability simulations'

Author: Grafiati
Published: 1 June 2024
Last updated: 31 July 2025

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Journal articles on the topic "Enhanced FEM stability simulations"

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Zhang, Yanan, Peigang Jiao, Weibo Du, Guoqing Qi, and Bowen Chen. "Numerical Simulation of Casting Filling Process Based on SPH-FEM Coupling Method." Symmetry 17, no. 4 (2025): 494. https://doi.org/10.3390/sym17040494.

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The coordinated optimization of free-surface dynamics tracking and solid deformation computation remains a persistent challenge in casting filling simulations. While the traditional smoothed particle hydrodynamics (SPH) method suffers from prohibitive computational costs limiting practical applications, the delayed interface updates of the finite element method (FEM) compromise simulation fidelity. This study proposes a symmetric SPH-FEM coupling algorithm that integrates real-time particle-grid data exchange, and validation through ring filling simulations demonstrated close agreement with Sc
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Zheng, Zumei, Shasha Zhou, Jun Chen, Naoto Mitsume, and Shunhua Chen. "A Multi-Resolution MPS/FEM Coupling Method for Three-Dimensional Fluid–Structure Interaction Analysis." Journal of Marine Science and Engineering 11, no. 8 (2023): 1483. http://dx.doi.org/10.3390/jmse11081483.

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This work aims to propose an efficient MPS/FEM coupling method for the simulation of fluid–structure interaction (FSI), where the MPS and FEM are respectively employed to account for fluid flows and structural deformation. The main idea of our method is to develop a multi-scale multi-resolution MPS method for efficient fluid simulations in the context of MPS/FEM coupling. In the developed multi-scale MPS method, the fluid domain is discretized into particles of different resolutions before calculation, where particles close to the interest domain will be discretized into high resolution, while
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Demin, Vladimir, Alexey Kalinin, Nadezhda Tomilova, et al. "Advanced Digital Modeling of Stress–Strain Behavior in Rock Masses to Ensure Stability of Underground Mine Workings." Civil Engineering Journal 11, no. 3 (2025): 1072–87. https://doi.org/10.28991/cej-2025-011-03-014.

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This study focuses on optimizing underground support systems through advanced numerical modeling and geomechanical assessment. The research aims to refine reinforcement parameters for underground mine workings by analyzing the stress-strain behavior of rock masses using Rocscience RS2 software. The study integrates geological and geotechnical data, including field observations and numerical simulations, to enhance the accuracy of support system designs. The methodology is based on the finite element method (FEM) and the Hoek–Brown softening model, allowing the identification of plastic deforma
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Song, Eun Jeong, Jung Soo Lee, Hyungpil Moon, Hyouk Ryeol Choi, and Ja Choon Koo. "A Multi-Curvature, Variable Stiffness Soft Gripper for Enhanced Grasping Operations." Actuators 10, no. 12 (2021): 316. http://dx.doi.org/10.3390/act10120316.

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For soft grippers to be applied in atypical industrial environments, they must conform to an object’s exterior shape and momentarily change their stiffness. However, many of the existing grippers have limitations with respect to these functions: they grasp an object with only a single curvature and a fixed stiffness. Consequently, those constraints limit the stability of grasping and the applications. This paper introduces a new multicurvature, variable-stiffness soft gripper. Inspired by the human phalanx and combining the phalanx structure and particle jamming, this work guarantees the requi
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Wei, Wei, Songjian Yu, and Baozuo Li. "Research on Magnetic Characteristics and Fuzzy PID Control of Electromagnetic Suspension." Actuators 12, no. 5 (2023): 203. http://dx.doi.org/10.3390/act12050203.

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This paper proposes an electromagnetic suspension with an electromagnetic actuator, which can improve the riding comfort and stability of the vehicle without changing the safety of traditional MacPherson suspension. First, the electromagnetic suspension structure is introduced, and the principle of the proposed actuator is described in detail. Second, a magnetic flux density model of a single PM ring (permanent magnetic ring) and a magnet assembly are built, and a theoretical analysis of the magnetic flux density is carried out for comparison. Then, the magnetic flux distribution of the magnet
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Primo, Gustavo S. P., Ramon Silva, Francisco Evangelista, and Marcos H. Oliveira. "Statistical Reliability Analysis for Assessing Bridge Structural Integrity: A Review Paper." Infrastructures 10, no. 7 (2025): 156. https://doi.org/10.3390/infrastructures10070156.

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This article reviews methods for estimating the remaining service life of bridges, focusing on the statistical analysis of reliability indices, which aids in identifying risks and predicting structural failures. Among the methodologies examined, the First-Order Reliability Method (FORM) is highlighted for its effectiveness in calculating failure probabilities based on current deterioration and loading conditions. Sensitivity analysis is also discussed, as it pinpoints the variables that most significantly impact structural stability. Enhanced using the Finite Element Method (FEM), this method
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Kien, Dang Van, Do Ngoc Anh, and Do Ngoc Thai. "Numerical Simulation of the Stability of Rock Mass around Large Underground Cavern." Civil Engineering Journal 8, no. 1 (2022): 81–91. http://dx.doi.org/10.28991/cej-2022-08-01-06.

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Geotechnical problems are complicated to the extent and cannot be expected in other areas since non-uniformities of existing discontinuous, pores in materials and various properties of the components. At present, it is extremely difficult to develop a program for tunnel analysis that considers all complicated factors. However, tunnel analysis has made remarkable growth for the past several years due to the development of numerical analysis method and computer development, given the situation that it was difficult to solve formula of elasticity, viscoelasticity, and plasticity for the dynamic f
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Msolli, Sabeur. "Shear Instability and Localization in High-Speed Cold Spray Processes: Impact on Particle Fragmentation and Bonding Mechanisms." Materials 18, no. 3 (2025): 490. https://doi.org/10.3390/ma18030490.

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This study investigates the deformation behavior and interfacial phenomena occurring during the high-velocity impact of a copper particle into a copper substrate under various conditions using FEM. It also offers an enhanced physics-based model based on discrete dislocation dynamics simulations to depict newly observed features such as interfacial instabilities and shear localization leading to bonding and particle fragmentation. To investigate bonding mechanisms at the particle–substrate interface, additional simulations using a one-element-thickness model are conducted. These simulations foc
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Xiao, Enzhao, Shengquan Li, Ali Matin Nazar, Ronghua Zhu, and Yihe Wang. "Antarctic Snow Failure Mechanics: Analysis, Simulations, and Applications." Materials 17, no. 7 (2024): 1490. http://dx.doi.org/10.3390/ma17071490.

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Snow failure is the process by which the stability of snow or snow-covered slopes is destroyed, resulting in the collapse or release of snow. Heavy snowfall, low temperatures, and volatile weather typically cause consequences in Antarctica, which can occur at different scales, from small, localized collapses to massive avalanches, and result in significant risk to human activities and infrastructures. Understanding snow damage is critical to assessing potential hazards associated with snow-covered terrain and implementing effective risk mitigation strategies. This review discusses the theoreti
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Chen, Peng, Xiaorong Cai, Na Min, et al. "Enhanced Fatigue Resistance of Nanocrystalline Ni50.8Ti49.2 Wires by Mechanical Training." Metals 13, no. 2 (2023): 361. http://dx.doi.org/10.3390/met13020361.

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In this paper, the fatigue resistance of superelastic NiTi shape memory alloy (SMA) wires was improved by combining mechanical training and nanocrystallization. Fatigue tests were performed after mechanical training with a peak stress of 600 MPa for 60 cycles of nanocrystalline (NC) NiTi wires, and the associated microscopic mechanism was investigated by using transmission electron microscopy (TEM) and transmission Kikuchi diffraction (TKD). The results showed that stress-controlled training effectively improved the functional stability (the accumulated residual strain decreased by 83.8% in th
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Dissertations / Theses on the topic "Enhanced FEM stability simulations"

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Strubel, Nicolas. "Brake squeal : identification and influence of frictional contact localizations." Electronic Thesis or Diss., Université de Lille (2022-....), 2023. http://www.theses.fr/2023ULILN059.

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En tant que radiations acoustiques intenses impliquant de conséquentes nuisances environnementales ainsi que de nombreux retours clients, le crissement des systèmes de freinage est un problème de vibration induite par frottement dépendant indubitablement de problématiques multi-physiques et multi-échelles. Parmi ces dernières, la structure du système, les paramètres opérationnels de freinage, les interfaces de contact frottant, couplés à une dépendance en température, ainsi que les non-linéarités de contact ou les aspects tribologiques, sont des éléments affectant considérablement le crissemen
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Griffiths, Thomas Richard. "An Enhanced Data Model and Tools for Analysis and Visualization of Levee Simulations." Diss., CLICK HERE for online access, 2010. http://contentdm.lib.byu.edu/ETD/image/etd3477.pdf.

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Book chapters on the topic "Enhanced FEM stability simulations"

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Feil, Jan-Henning, Reimund P. Rötter, Sara Yazdan Bakhsh, et al. "Potential of Improved Technologies to Enhance Land Management Practices of Small-Scale Farmers in Limpopo Province, South Africa." In Sustainability of Southern African Ecosystems under Global Change. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-10948-5_23.

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AbstractIn this chapter, we explore how, in the face of increasing climatic risks and resource limitations, improved agro-technologies can support sustainable intensification (SI) in small-scale farming systems in Limpopo province, South Africa. Limpopo exhibits high agro-ecological diversity and, at the same time, is one of the regions with the highest degree of poverty and food insecurity in South Africa. In this setting, we analyze the effects of different technology changes on both food security dimensions (i.e., supply, stability, and access) and quality of ecosystem service provision. Th
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Vela Palaquibay, Kevin Joel, Manuel Darío Jaramillo, and Diego Carrión. "Enhanced Reactive Power Compensation for Flicker Mitigation in Wind Farm-Integrated Distribution Networks Using Advanced D-STATCOM Control." In Lecture Notes in Networks and Systems. Springer Nature Switzerland, 2025. https://doi.org/10.1007/978-3-031-87065-1_22.

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Abstract This research aims to demonstrate the importance of reactive power compensation in electrical systems for mitigating fast Flicker voltage disturbances that commonly occur in systems with wind generation; thereby, this paper’s main goal is to improve the quality of distribution systems. The 34-node IEEE test system was chosen as the base system for this study. Simulations were conducted using MATLAB to verify system stability and ensure the system’s nominal voltage matches the design specifications set by the IEEE. The analysis identified bus 27 as having the greatest voltage fluctuati
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Abdul Moiz Hashmi, Syed, Waqar Hussain, Hina Moiz, and Muhammad Hammad Rasool. "Engineering Synthetic Zeolites for Enhanced CO₂ Capture: Strategies, Synthesis, and Applications." In Exploring the World of Zeolites [Working Title]. IntechOpen, 2025. https://doi.org/10.5772/intechopen.1010023.

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Synthetic zeolites offer a promising solution for CO2 capture due to their tunable pore structures, high stability, and selective adsorption properties. This chapter explores advanced synthesis techniques, including hydrothermal, solvothermal, and microwave-assisted methods, alongside post-synthetic modifications such as ion exchange and amine functionalization to enhance CO2 uptake and selectivity. Computational modeling using Density Functional Theory (DFT) and Grand Canonical Monte Carlo (GCMC) simulations provides molecular-level insights, guiding the optimization of adsorption performance
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Bui H.H., Sako K., and Fukagawa R. "Slope stability analysis and slope failure simulation by SPH." In Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2009. https://doi.org/10.3233/978-1-60750-031-5-1578.

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In this paper, the SPH method is applied to evaluate stability of a slope and to simulate the gross discontinuities after failure. Herein, the Drucker-Prager model with non-associated plastic flow rule is employed to describe the elasto-plastic soil behaviour. The shear strength reduction method is applied to estimate the safety factor of a slope, while critical slip surface is automatically determined from contour plot of accumulated plastic strain. To take into account the pore-water pressure, a new SPH momentum equation is proposed. It is shown that by using this new expression of momentum
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T, Yuvapriya, and Lakshmi P. "Active Suspension Control of Full Car Model Using Bat Optimized PID Controller." In Artificial Intelligence Applications in Battery Management Systems and Routing Problems in Electric Vehicles. IGI Global, 2023. http://dx.doi.org/10.4018/978-1-6684-6631-5.ch008.

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Long drives on bumpy roads and configuration issues like discomfort in seating arrangements have a harmful impact on the human body. The passengers experience severe health problems and stress-related issues. The full car model (FCM) with seven degrees of freedom (DOF) is considered for vibration control analysis. The aim of this work is to optimize the parameters of proportional integral and derivative (PID) controller by grey wolf optimization (GWO) and bat algorithm for betterment in the ride comfort of the passengers. A comparative analysis between the most commonly used PID controller and
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Hassani, Hamid, Anass Mansouri, and Ali Ahaitouf. "Design and Application of a Robust Control System of an Autonomous Multi-Rotor Aircraft Using a Perturbation Estimator." In Advances in Transdisciplinary Engineering. IOS Press, 2024. https://doi.org/10.3233/atde241234.

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In this study, a robust finite-time (FnT) sliding mode attitude and position control is proposed for the precise tracking of an underactuated quadrotor unmanned aerial vehicle (QUAV) subjected to multiple sources of uncertainties, i.e., unmodeled dynamics, external perturbations, and parameter uncertainties. The proposed flight control system is based on the nonsingular integral terminal sliding control (NITSMC) to ensure rapid tracking of the targeted 3D trajectories while reducing the steady state-errors. The performances of the control system are enhanced through the introduction of a distu
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Kundu, Sombir, Nitin Sundriyal, Navdeep Singh, Sunil Kadiyan, Surender Singh, and Juan M. Ramirez. "Control Strategy for a Single-Phase Grid-Connected PV System With Bidirectional EV Charging Support." In Modern Computing Technologies for EV Efficiency and Sustainable Energy Integration. IGI Global, 2025. https://doi.org/10.4018/979-8-3373-2382-4.ch007.

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The current chapter presents a novel modified complex coefficient filter-based phase-locked loop (MCCF-PLL) control technique for managing a single-phase grid-linked photovoltaic (PV) system integrated with an electric vehicle (EV) charging station. Designed for residential applications, this system enables efficient bi-directional power transfer, supports grid stability, and increases renewable energy usage. A bidirectional inverter serves as both an EV charger and a grid-interfacing converter, operating in multiple modes such as charging the EV battery, supplying stored energy back to the gr
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Conference papers on the topic "Enhanced FEM stability simulations"

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Oruc, Ilker, Rajiv Shenoy, Joseph Horn, and Jeremy Shipman. "Towards Real-Time Fully Coupled Flight Dynamics and CFD Simulations of the Helicopter/Ship Dynamic Interface." In Vertical Flight Society 72nd Annual Forum & Technology Display. The Vertical Flight Society, 2016. http://dx.doi.org/10.4050/f-0072-2016-11496.

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This study represents the ongoing efforts of a project whose ultimate goal is real-time virtual dynamic interface modeling and simulation with fully coupled Navier-Stokes CFD with a helicopter flight dynamics simulation. The coupling between GENHEL-PSU/CRUNCH CFD has been developed in a recent work and successful results of fully coupled flight dynamics and CFD simulations of rotorcraft/ship dynamic interface were presented. In the coupled simulations, the flight dynamics model is free to move within a computational domain, where the main rotor forces are converted to source terms in the momen
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Punzi, Claudio, Eleonora Giovanardi, Federico D'Amico, Andrea Mancini, and Mark Crooks. "A Multidisciplinary Mid-fidelity Approach for Tiltrotor Wing Aeroelastic Design Based on structural Mesh Morphing." In Vertical Flight Society 80th Annual Forum & Technology Display. The Vertical Flight Society, 2024. http://dx.doi.org/10.4050/f-0080-2024-1149.

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This paper introduces a Multidisciplinary Design and Optimization (MDO) approach for the design of a tiltrotor wing, utilizing as test case a semi-wing with integrated nacelle and rotor. Structural integrity is assessed via stress analysis on a GFEM, which also forms the basis for a coupled wing-rotor aeroelastic model to ensure whirlflutter stability. Aerodynamic performance is assessed through CFD analysis of two-dimensional wing's airfoil shape. The MDO workflow leverages three levels of design space control that can influence the structural response of the wing: other than controlling the
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Annett, Martin, and J. Pereira. "Preliminary Assessment of Bird Strike on Low Noise Rotor Blade Sections." In Vertical Flight Society 74th Annual Forum & Technology Display. The Vertical Flight Society, 2018. http://dx.doi.org/10.4050/f-0074-2018-12737.

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One of the primary research themes for NASA's Revolutionary Vertical Lift Technology Project (RVLT) is evaluation of low-noise vertical lift concepts and configurations. A multidisciplinary design analysis and optimization (MDAO) process, which incorporates acoustics, structures, icing, and impact dynamics design constraints, is in development for the conceptual low-noise rotor blade design. Modifications to conventional rotor blade shape, cross section, and material selection to reduce noise may be limited by the capability of the structure to withstand a bird strike. The bird strike requirem
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Lisjak, A., L. He, J. Ha, B. S. A. Tatone, and O. K. Mahabadi. "Enhancement of an FDEM-Based Geomechanical Simulation Software with Hybrid FEM-FDEM and Elasto-Plastic Modeling Capabilities: Application to Slope Stability Analysis." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0620.

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ABSTRACT: The goal of this paper is to present recent developments aimed at improving computational efficiency and extending the range of material applicability of a 2D/3D FDEM geomechanical simulation software. Firstly, a hybrid FEM-FDEM logic was devised to allow for user-defined regions of the domain to be modeled as a continuum, while the remainder is captured by the FDEM formulation with an intrinsic cohesive zone model explicitly capturing fracturing. Benchmarking results indicate simulation speed-ups of up to 48x when using the new logic versus the traditional full FDEM approach. Second
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Gerenda´s, Miklo´s, Yannick Cadoret, Christian Wilhelmi, et al. "Improvement of Oxide/Oxide CMC and Development of Combustor and Turbine Components in the HiPOC Program." In ASME 2011 Turbo Expo: Turbine Technical Conference and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/gt2011-45460.

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Three different oxide/oxide ceramic matrix composite (CMC) materials are described. Design concepts for the attachment of the CMC component to the metal structure of the gas turbine are developed in a first work stream focused on the combustion chamber and the turbine seal segment. Issues like environmental barrier coating (EBC)/thermal barrier coatings (TBC), application and volatilization, allowance for the different thermal expansion and the mechanical fixation are addressed. The design work is accompanied by CFD and FEM simulations. A variation of the microstructural design of the three ox
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Hammad, Abdullah, Fahad AlHosni, Muhammad Imran Khurshid, et al. "Drill String Optimization Across Multilateral Wells Breakthrough a New Benchmark of Performance and Enhanced Operation Integrity: Middle East Specific." In SPE/IADC Middle East Drilling Technology Conference and Exhibition. SPE, 2025. https://doi.org/10.2118/225699-ms.

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Abstract The drilling construction process in specific Middle Eastern fields presents unique challenges, especially when drilling multilateral wells. These laterals require the use of a tapered-string configuration, necessitating additional trips to incorporate 4-inch drill pipes (DPs) due to the liner profile design. These additional trips increase operational risks and extend drilling time. This manuscript outlines the implemented solutions, highlighting technical benefits and cost savings achieved by optimizing the drill string design. Traditionally, the 8.5-inch landing section is drilled
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Elhassan, Azza, Patrick Manga, Mohamed S. Abdellatif, et al. "Impact of Change in Mud Weight & Offset Well Injection Pressure on Cement Sheath Integrity; Case Study for UAE Offshore Field." In ADIPEC. SPE, 2023. http://dx.doi.org/10.2118/216852-ms.

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Abstract As drilling horizontal wells became more complex with multiple production drains from various reservoirs, zonal isolation has become a key challenge to be achieved. Many studies have shown the impact of change in mud weight during drilling activities on wellbore stability, without considering the consequences on the set cement. This case study will be focusing on drilling activities on offset wells, evaluating & exploring how mud weight changes can affect wellbore instability and damage the cement sheath despite the fact that the cement evaluation logs showed good results days aft
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Shah, Sameer Rafiq, Dilip Kumar, and Nishant Tiwari. "Design and Development Of An In-Wheel Suspension With Novel Automatic Camber Control Strategy For Improved Handling." In FISITA World Congress 2021. FISITA, 2021. http://dx.doi.org/10.46720/f2020-vdc-081.

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In this era of electrification, HEVs are mainly focused on weight and space saving. This is done to ensure the maximum size of the battery package on the vehicle. This situation demands for a drive by wire systems which makes the vehicle lighter as well as more spacious. This paper introduces a new type of In-Wheel suspension has been introduced in this paper. The problem of large suspension systems and its bulkiness were studied. Vehicle instability while driving and cornering was also stated. And the suspension's capability to handle uneven tyre wear which is caused due to improper or fixed
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Wu, Huanyu, Qi Zhao, Jiayi Shen, and Hanze Li. "Numerical Simulation of the Underground Storage Cavern Using FDEM." In 57th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2023. http://dx.doi.org/10.56952/arma-2023-0282.

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ABSTRACT Underground storage cavern has been increasingly exploited as it has many advantages such as reducing investment, economizing land use and improving safety compared with storage above the ground surface. We employ the hydromechanical coupled FDEM to simulate the excavation and operation phases of the underground storage cavern with a water curtain system (WCS), taking into consideration the natural discrete fracture network (DFN). The simulation results captured the propagation and slipping of the pre-existing DFN during the excavation and operation process. We quantitatively evaluate
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Ali, H., M. Shahzaib, M. Z. Emad, M. Waqas, and W. Ijaz. "Stability Analysis of a Tunnel Nearby Folded Strata Using Numerical Modeling." In 58th U.S. Rock Mechanics/Geomechanics Symposium. ARMA, 2024. http://dx.doi.org/10.56952/arma-2024-0862.

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ABSTRACT: The stability of underground structures, like mines and tunnels, has always been a major concern in the field of underground space development works. Reliable prediction of tunnel stability is a key challenge for tunnel engineering, especially when drilling in folded rock masses. Folded strata are layers of rock that have been folded and deformed by tectonic forces. This can create complex geological structures that are difficult for tunnel engineers. This research aims to investigate the stability of tunnels through folded strata (anticline, syncline, and fracture zones). Failure Se
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Reports on the topic "Enhanced FEM stability simulations"

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Arduino, Pedro, Long Chen, and Christopher McGann. Estimation of Shear Demands on Rock Socketed Drilled Shafts subjected to Lateral Loading. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, 2018. http://dx.doi.org/10.55461/nsos1322.

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This report presents results of an evaluation study on the applicability of current design procedures (based on p-y curves) to the analysis of large-diameter shafts socketed in rock, and the identification of enhanced moment transfer mechanisms not considered in current design methodologies. For this purpose simplified models, and possible three-dimensional (3D) finite-element method (FEM) models are studied to shed some light on the response of drilled shafts socketed in rock. A parametric study using p-y and considering a wide range of rock properties and rock-socket depths, different criter
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Heinz, Kevin, Itamar Glazer, Moshe Coll, Amanda Chau, and Andrew Chow. Use of multiple biological control agents for control of western flower thrips. United States Department of Agriculture, 2004. http://dx.doi.org/10.32747/2004.7613875.bard.

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The western flower thrips (WFT), Frankliniella occidentalis (Pergande), is a serious widespread pest of vegetable and ornamental crops worldwide. Chemical control for Frankliniella occidentalis (Pergande) (Thysanoptera: Thripidae) on floriculture or vegetable crops can be difficult because this pest has developed resistance to many insecticides and also tends to hide within flowers, buds, and apical meristems. Predatory bugs, predatory mites, and entomopathogenic nematodes are commercially available in both the US and Israel for control of WFT. Predatory bugs, such as Orius species, can suppre
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