Results 31 to 40 of about 715,590 (331)

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

Analysis of Vertical Stiffness of Air Spring Based on Finite Element Method

open access: yesMATEC Web of Conferences, 2018
In this paper, a finite element model of membrane air spring in the vehicle is established, and its vertical stiffness characteristics under a certain inflation pressure are analysed.
Ye Jiatong   +3 more
doaj   +1 more source

Structural Modeling and Analysis on Dynamic Characteristics of Antenna Pedestal in Airborne SAR [PDF]

open access: yesLeida xuebao, 2012
Finite element modeling and structural dynamic characteristics of antenna pedestal in airborne SAR were studied in this paper. The Finite element model of antenna pedestal in airborne SAR was set up on the basis of structural dynamic theory, then, the ...
He Li-ping, Li Jun-xing, Liu Ming
doaj   +1 more source

Reconfigurable Microwave Photonic Topological Insulator

open access: yes, 2016
Using full 3D finite element simulation and underlining Hamiltonian models, we demonstrate reconfigurable photonic analogues of topological insulators on a regular lattice of tunable posts in a re-entrant 3D lumped element type system.
Goryachev, Maxim, Tobar, Michael E.
core   +1 more source

Construction and finite element simulation of a square laser loading model that can replace circular spot superposition in laser peening forming

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing
In order to explore an efficient, accurate, and convenient finite element simulation method for laser peening forming, a square laser loading model was constructed by studying the loading feature unit of the circular spot superposition model, which can ...
Xu PEI, Boyong SU, Liang WANG
doaj   +1 more source

Electric heating fabrics based on silver yarns and simulation of temperature field

open access: yesCailiao gongcheng, 2019
ANSYS finite element simulation software was used to simulate the heating process of silver coated yarns in fabric. The thermal filed distribution of heating fabric in different condition was analyzed by adjusting the distance between the silver coated ...
LI Ya-fang, LIU Hao, ZHAO Yi-xia
doaj   +1 more source

Fluid-Structure Interaction Simulation of a Coriolis Mass Flowmeter using a Lattice Boltzmann Method [PDF]

open access: yes, 2020
In this paper we use a fluid-structure interaction (FSI) approach to simulate a Coriolis mass flowmeter (CMF). The fluid dynamics are calculated by the open source framework OpenLB, based on the lattice Boltzmann method (LBM). For the structural dynamics
Haussmann, Marc   +4 more
core   +3 more sources

Boundary element and finite element coupling for aeroacoustics simulations [PDF]

open access: yesJournal of Computational Physics, 2015
25 ...
Balin, Nolwenn   +5 more
openaire   +4 more sources

Effect of Foot Orthoses on Midfoot Pain and the Volume of Bone Marrow Lesions in the Midfoot: A Randomized Mechanism of Action Study

open access: yesArthritis Care &Research, EarlyView.
Objective Foot orthoses are thought to improve pain by potentially modifying internal mechanical forces. To test this, we explored whether foot orthoses can modify patterns of bone marrow lesions (BMLs) in people with midfoot pain. Methods Forty‐two people were recruited with midfoot pain, and magnetic resonance imaging–confirmed midfoot BMLs ...
Jill Halstead   +4 more
wiley   +1 more source

A Q‐Learning Algorithm to Solve the Two‐Player Zero‐Sum Game Problem for Nonlinear Systems

open access: yesInternational Journal of Adaptive Control and Signal Processing, Volume 39, Issue 3, Page 566-581, March 2025.
A Q‐learning algorithm to solve the two‐player zero‐sum game problem for nonlinear systems. ABSTRACT This paper deals with the two‐player zero‐sum game problem, which is a bounded L2$$ {L}_2 $$‐gain robust control problem. Finding an analytical solution to the complex Hamilton‐Jacobi‐Issacs (HJI) equation is a challenging task.
Afreen Islam   +2 more
wiley   +1 more source

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