finite element simulation coupled to optimisation

finite element simulation coupled to optimisation

A Moving Least Squares Based Meshless Element-Free

Oct 19, 2020 · In this study, a meshless simulation model based on the element-free Galerkin method (EFGM) is proposed for the coupled simulation of groundwater flow and contaminant transport (GFCT) in the two-dimensions. EFGM discretizes the governing GFCT equations using the Galerkin integral approach and shape functions generated through the moving least squares (MLS) approximation

A finite element simulation of metal flow in moulds

The correct simulation of metal flow and temperature profiles during filling is an important part of an overall numerical simulation kit which includes solidification and residual stress evaluations. In this study, we develop a twodimensional finite element model for studying metal flow and temperature fields during filling of mould cavities. A strongly conservative finite element method for the Recent works study various discretization schemes for the Stokes-Biot system, including a coupled discontinuous Galerkin -mixed finite element method [44], a staggered finite element method [14

Automated Shape Optimization Coupled with UpFront CFD

NAFEMS UK 2020 Conference 9th November 2020 Robust Geometry Variation for the CFD-Driven Optimization of Complex Geometries.. One of the main challenges in CFD-driven shape optimization is the flexible and robust parametric variation of complex often free-formed geometries, keeping the number of degrees-of-freedom within reasonable bounds and taking into account all necessary Automated Shape Optimization Coupled with UpFront CFD NAFEMS UK 2020 Conference 9th November 2020 Robust Geometry Variation for the CFD-Driven Optimization of Complex Geometries.. One of the main challenges in CFD-driven shape optimization is the flexible and robust parametric variation of complex often free-formed geometries, keeping the number of degrees-of-freedom within reasonable bounds and taking into account all necessary

Biomechanical modeling and design optimization of

The purpose of this study was to determine the acoustic transfer characteristics of cartilage for optimal cartilage myringoplasty. In order to do so, we developed a cartilage plate/tympanic membrane-coupled model using finite element analysis. Cartilage specimens of the tragus were obtained from fre Biomechanical modeling and design optimization of The purpose of this study was to determine the acoustic transfer characteristics of cartilage for optimal cartilage myringoplasty. In order to do so, we developed a cartilage plate/tympanic membrane-coupled model using finite element analysis. Cartilage specimens of the tragus were obtained from fre

Concurrent Process-Product Design Optimization Using

A methodology for concurrent process-product design optimization using coupled nonlinear finite-element (FE) simulations was presented and applied to a sheet formed component made of AZ31 magnesium alloy. All FE simulations were performed using the Abaqus Explicit and Standard solvers. Coupled Particle and Finite Element Simulations The coupling of DEM with structural mechanics (Finite Elements) is particularly attractive for modeling the contact of granular matter with flexible bodies. The coupling will take place at the surface of a body which is in contact with the granular material. The nodal-points of the coupled surface are known to both the DEM and the FEA program.

Coupled Transient Thermal and Electromagnetic Finite

Coupled Transient Thermal and Electromagnetic Finite Element Simulation of Quench in Superconducting Coils G J C Aird, J Simkin, S C Taylor, C W Trowbridge & E Xu Vector Fields Limited, Oxford UK. ICAP 06 2-6 October 2007 Chamonix, Mont Blanc Application Coupled Transient Thermal and Electromagnetic Finite Coupled Transient Thermal and Electromagnetic Finite Element Simulation of Quench in Superconducting Coils G J C Aird, J Simkin, S C Taylor, C W Trowbridge & E Xu Vector Fields Limited, Oxford UK. ICAP 06 2-6 October 2007 Chamonix, Mont Blanc Application

Coupled finite-element/topology optimization of continua

We show that conventional finite element technology can be applied to topology optimization of 2D and 3D continua. Nodal design variables, classical Newton-Raphson solution for the first-order KKT equations and the screened-Poisson equation are sufficient to produce smooth results without the use of level-sets or phase-field technologies. DESIGN OF LOOSELY COUPLED MAGNETIC SYSTEMS design of loosely coupled systems. To overcome these limitations, the present work proposes a set of computational tools based on the Finite Element Method (FEM) to help and guide the development of loosely coupled inductors system regardless of the emitter or receiver drive circuit given that a sinusoidal excitation is provided.

Design of a Pipe Network Using the Finite-Element Method

Nov 04, 2017 · In this study, the optimal design of a pipe network is proposed using a simulationoptimization model. Simulation and optimization were performed using the finite-element method (FEM) coupled with particle-swarm optimization (PSO). A finite-elementbased simulation was applied to solve two benchmark problems:two-loop and Hanoi networks. Design of a Pipe Network Using the Finite-Element Method Nov 04, 2017 · In this study, the optimal design of a pipe network is proposed using a simulationoptimization model. Simulation and optimization were performed using the finite-element method (FEM) coupled with particle-swarm optimization (PSO). A finite-elementbased simulation was applied to solve two benchmark problems:two-loop and Hanoi networks.

Determination of poroelastic properties of cartilage using

The feasibility of determining biphasic material properties using a finite element model of stress relaxation coupled with two types of constrained optimization to match measured data was investigated. Comparison of these two approaches, a zero-order method and a gradient-based algorithm, validated the predicted material properties. Elmer Finite Element Software for Multiphysical Elmer Finite Element Software for Multiphysical Optimization Problems coupled problems ALE formulation Acoustics Helmholtz Linearized time-harmonic N-S Species transport and simulation Each model is an external module with standard interfaces to the main program

Estimation of constitutive parameters using an inverse

Sep 09, 2002 · The direct model is a 3D forming process simulation software (FORGE3 ®). The numerical formulation is based on a mixed finite element method using two unknowns, the velocity and the pressure. The tetrahedron element is linear in velocity and pressure and the thermal problem is solved using a linear element. Evaluation of coupled finite element/meshfree method for a Our work showed that coupled finite element/element-free Galerkin method is a suitable alternative of finite element method to handle the nonlinear deformation in full-size railway vehicle crashworthiness simulation. The coupled method can reduce the hourglass energy in finite element simulation, to produce robust simulation.

Evaluation of coupled finite element/meshfree method for a

Our work showed that coupled finite element/element-free Galerkin method is a suitable alternative of finite element method to handle the nonlinear deformation in full-size railway vehicle crashworthiness simulation. The coupled method can reduce the hourglass energy in finite element simulation, to produce robust simulation. FE coupled to SPH numerical model for the simulation of Oct 15, 2020 · Krishnan et al. developed a finite element model for the simulation of high-velocity impact on ceramic/composite shields and carried out a design optimization of thin, light and cost-effective shield. The model predicted that the projectile was

Finite Element Modeling and Simulation with ANSYS

Aug 11, 2014 · Learn Basic Theory and Software Usage from a Single Volume Finite Element Modeling and Simulation with ANSYS Workbench combines finite element theory with real-world practice. Providing an introduction to finite element modeling and analysis for those with no prior experience, and written by authors with a combined experience of 30 years teaching the subject, this text presents Finite Element Simulation of NiTiNb Shape Memory Alloy Finite Element Simulation of NiTiNb Shape Memory Alloy Pipe-Joint Subjected to Coupled Transformation and Plastic Deformation Xiang Chen , 1 , 2 Bin Chen , 1 , 3 Xianghe Peng , 1 Xiaoqing Jin , 1 Ying Ma , 2 Yang Zhao , 2 and Hengwei Zheng 4

Finite Element simulation coupled to optimisation

Finite Element simulation coupled to optimisation stochastic process to assess the effect of heat treatment on the mechanical properties of 42CrMo4 steel Finite Elements in Analysis and DesignWelding simulation Numerical design optimization Finite element analysis Genetic algorithm Welding-induced distortion abstract This paper presents an effective numerical approach for w elding process parameter optimization to minimize weld-induced distortion in structures. A numerica l optimization framework based on coupled Genetic

Finite element simulation for design optimisation of shape

Oct 01, 2005 · The purpose of this paper is the optimisation of shape memory alloy (SMA) spring actuators. The purpose of these actuators is to control active endoscopes. The objective for such endoscopes is to minimize one patient pain during operation., A range of recently published (19902002) works, which aim to provide models for SMA actuators, do not focus on the simulation Integrated simulation and optimisation tools for Integrated simulation and optimisation tools for production scheduling using S Arndt et al. finite element analysis caving geomechanics simulation coupled with 3D cellular automata 250 Caving 2018, Vancouver, Canada In terms of a coupled model approach, the caved zone and airgap (1 and 2) are the domain of cellular

Multiobjective Groundwater Remediation System Design

May 05, 2010 · Simulation tools such as the finite-element method (FEM) coupled with optimization tools such as the genetic algorithm (GA) has been found to be an efficient and easy to use methodology to solve such arduous problems. In this study, a simulation model using the FEM for groundwater flow and contaminant transport has been developed and coupled NAFEMS How To Interpret Finite Element Results How To Interpret Finite Element Results Due to the evolving nature of the engineering analysis and simulation market this publication no longer represents current best practice and has been archived. The document may be of historical interest and is therefore still available for purchase The last two decades have seen major changes in the application of the finite element method.

Paper:Integrated simulation and optimisation tools for

Integrated simulation and optimisation tools for production scheduling using finite element analysis caving geomechanics simulation coupled with 3D cellular automata Authors:Arndt, S ; Bui, T ; Diering, T ; Austen, I ; Hocking, R Strongly coupled piezoelectric energy harvesters:Finite Jun 01, 2020 · Based on the analysis, a finite element model (FEM) for strongly coupled PEHs was developed for the first time and applied to a pre-stressed piezoelectric stack energy harvester (PSEH). A stationary analysis was first performed to simulate the pre-stressed state of the PSEH.

Topological Optimisation with FEA Finite Element

Optimisation methods in finite elements are either based on optimising grid locations (shape optimisation), geometric properties (sizing optimisation) or material properties (material optimisation). A special case of shape optimisation, where grid points can only move in normal (or a given) direction to the shell is called topography optimisation. VA One - Acoustic Finite Element Simulation ModuleVA One - Acoustic Finite Element Simulation Module VA One Extension Modules let you quickly and easily extend and customize the core-functionality of VA One to meet your specific needs. The extension modules are individually licensed and enable you to tailor

Finite Element simulation coupled to optimisation

Feb 01, 2012 · Finite Element (FE) computation is conducted to identify the mechanical behaviour of the studied material as function of heat treatment. For this particular purpose, ANSYS package is used to simulate the tensile test. The geometry is built considering the dimensions shown in Fig. 2.

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