Results 61 to 70 of about 1,085,281 (280)

On the control volume finite element methods and their applications to multiphase flow

open access: yesNetworks and Heterogeneous Media, 2006
In this paper we systematically reviewthe control volume finite element (CVFE) methods for numericalsolutions of second-order partial differential equations.Their relationships to the finite differenceand standard (Galerkin) finite element methods are ...
Zhangxin Chen
doaj   +1 more source

A Workflow to Accelerate Microstructure‐Sensitive Fatigue Life Predictions

open access: yesAdvanced Engineering Materials, EarlyView.
This study introduces a workflow to accelerate predictions of microstructure‐sensitive fatigue life. Results from frameworks with varying levels of simplification are benchmarked against published reference results. The analysis reveals a trade‐off between accuracy and model complexity, offering researchers a practical guide for selecting the optimal ...
Luca Loiodice   +2 more
wiley   +1 more source

Parallel iterative computational methods for 3D finite element flow simulations

open access: yesComputer Assisted Methods in Engineering and Science, 2023
In this paper we discuss sparse matrix computational methods, and their parallel implementations, for evaluating matrix-vector products in iterative solution of coupled, nonlinear equations encountered in finite element flow simulations. Based on sparse
Vinay Kalro, Tayfun Tezduyar
doaj  

Numerical Experiments for Darcy Flow on a Surface Using Mixed Exterior Calculus Methods [PDF]

open access: yes, 2011
There are very few results on mixed finite element methods on surfaces. A theory for the study of such methods was given recently by Holst and Stern, using a variational crimes framework in the context of finite element exterior calculus. However, we are
Hirani, Anil N., Kalyanaraman, Kaushik
core  

Interactions between Molten High‐Silicon Electrical Steels and Carbon‐Bonded MgO Refractories Based on Recyclates

open access: yesAdvanced Engineering Materials, EarlyView.
This study examines how several molten high‐silicon electrical steels interact with both conventional and recycled MgO–C refractories. For this, various immersion experiments are conducted. In addition to infiltration, a number of mechanisms are identified and explained that control the corrosion of the refractory material.
Lukas Neubert   +7 more
wiley   +1 more source

Singular finite element methods [PDF]

open access: yes
Singularities which arise in the solution to elliptic systems are often of great technological importance. This is certainly the case in models of fracture of structures.
Fix, George J.
core   +1 more source

Unified Framework for Finite Element Assembly

open access: yes, 2009
At the heart of any finite element simulation is the assembly of matrices and vectors from discrete variational forms. We propose a general interface between problem-specific and general-purpose components of finite element programs.
Alnæs, Martin Sandve   +4 more
core   +1 more source

Hybrid Auxetic Architectures: Integrating Curvature‐Driven Design for Enhanced Mechanical Tunability and Structural Performance

open access: yesAdvanced Engineering Materials, EarlyView.
Curvature‐tuned auxetic lattices are designed, fabricated, and mechanically characterized to reveal how geometric curvature governs stretchability, stress redistribution, and Poisson's ratio evolution. Photoelastic experiments visualize stress pathways, while hyperelastic simulations quantify deformation mechanics.
Shuvodeep De   +3 more
wiley   +1 more source

Efficiency analysis of continuous and discontinuous Galerkin finite element methods

open access: yesAIMS Mathematics
We present a comparative analysis of the continuous Galerkin (CG) and discontinuous Galerkin (DG) finite element (FE) methods, focusing on their efficiency in solving advection–diffusion problems in the Summation By Parts–Simultaneous Approximation Term (
Hanifa Hanif   +2 more
doaj   +1 more source

Programming of Finite Element Methods in MATLAB

open access: yes, 2018
We discuss how to implement the linear finite element method for solving the Poisson equation. We begin with the data structure to represent the triangulation and boundary conditions, introduce the sparse matrix, and then discuss the assembling process ...
Chen, Long
core  

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