Search Results - "Hale, Jack"

Isogeometric locking-free plate element: A simple first order shear deformation theory for functionally graded plates by Yin, Shuohui, Hale, Jack S., Yu, Tiantang, Bui, Tinh Quoc, Bordas, Stéphane P.A.

“…An effective, simple, robust and locking-free plate formulation is proposed to analyze the static bending, buckling, and free vibration of homogeneous and…”
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Melt Instability Identification Using Unsupervised Machine Learning Algorithms by Gansen, Alex, Hennicker, Julian, Sill, Clemens, Dheur, Jean, Hale, Jack S., Baller, Jörg

“…In industrial extrusion processes, increasing shear rates can lead to higher production rates. However, at high shear rates, extruded polymers and polymer…”
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Accelerating Monte Carlo estimation with derivatives of high-level finite element models by Hauseux, Paul, Hale, Jack S., Bordas, Stéphane P.A.

“…In this paper we demonstrate the ability of a derivative-driven Monte Carlo estimator to accelerate the propagation of uncertainty through two high-level…”
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Optimisation of active SHM system based on optimal number and placement of piezoelectric transducers by Daraji, Ali H, Ye, Jianqiao, Hale, Jack M

“…This paper concerns optimal placement and number of discrete piezoelectric macro fibre composite (MFC) sensors to optimise SHM systems. Its novelty lies in a…”
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Quantifying the uncertainty in a hyperelastic soft tissue model with stochastic parameters by Hauseux, Paul, Hale, Jack S, Cotin, Stéphane, Bordas, Stéphane PA

“…We present a simple open-source semi-intrusive computational method to propagate uncertainties through hyperelastic models of soft tissues. The proposed method…”
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Simple and extensible plate and shell finite element models through automatic code generation tools by Hale, Jack S., Brunetti, Matteo, Bordas, Stéphane P.A., Maurini, Corrado

“…•Introducing our open-source FEniCS-Shells library that is freely available to the community.•Providing a novel interpretation and implementation of the MITC…”
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Calculating the Malliavin derivative of some stochastic mechanics problems by Hauseux, Paul, Hale, Jack S, Bordas, Stéphane P A

“…The Malliavin calculus is an extension of the classical calculus of variations from deterministic functions to stochastic processes. In this paper we aim to…”
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An a posteriori error estimator for the spectral fractional power of the Laplacian by Bulle, Raphaël, Barrera, Olga, Bordas, Stéphane P.A., Chouly, Franz, Hale, Jack S.

“…We develop a novel a posteriori error estimator for the L2 error committed by the finite element discretization of the solution of the fractional Laplacian…”
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Sonics: develop intuition on biomechanical systems through interactive error controlled simulations by Mazier, Arnaud, El Hadramy, Sidaty, Brunet, Jean-Nicolas, Hale, Jack S., Cotin, Stéphane, Bordas, Stéphane P. A.

“…We describe the SOniCS (SOFA + FEniCS) plugin to help develop an intuitive understanding of complex biomechanics systems. This new approach allows the user to…”
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Hierarchical a posteriori error estimation of Bank–Weiser type in the FEniCS Project by Bulle, Raphaël, Hale, Jack S., Lozinski, Alexei, Bordas, Stéphane P.A., Chouly, Franz

“…In the seminal paper of Bank and Weiser (1985) [17] a new a posteriori estimator was introduced. This estimator requires the solution of a local Neumann…”
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Investigation of the Sharkskin melt instability using optical Fourier analysis by Gansen, Alex, Řehoř, Martin, Sill, Clemens, Polińska, Patrycja, Westermann, Stephan, Dheur, Jean, Hale, Jack S., Baller, Jörg

“…ABSTRACT An optical method allowing the characterization of melt flow instabilities typically occurring during an extrusion process of polymers and polymer…”
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A hyper-reduction method using adaptivity to cut the assembly costs of reduced order models by Hale, Jack S., Schenone, Elisa, Baroli, Davide, Beex, Lars A.A., Bordas, Stéphane P.A.

“…At every iteration or timestep of the online phase of some reduced-order modelling schemes for non-linear or time-dependent systems, large linear systems must…”
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Vibration based algorithm for crack detection in cantilever beam containing two different types of cracks by Behzad, Mehdi, Ghadami, Amin, Maghsoodi, Ameneh, Michael Hale, Jack

“…In this paper, a simple method for detection of multiple edge cracks in Euler–Bernoulli beams having two different types of cracks is presented based on energy…”
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Inverse deformation analysis: an experimental and numerical assessment using the FEniCS Project by Mazier, Arnaud, Bilger, Alexandre, Forte, Antonio E., Peterlik, Igor, Hale, Jack S., Bordas, Stéphane P. A.

“…In this paper we develop a framework for solving inverse deformation problems using the FEniCS Project finite-element software. We validate our approach with…”
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Experimental separation of the onset of slip and sharkskin melt instabilities during the extrusion of silica-filled, styrene–butadiene rubber compounds by Gansen, Alex, Řehoř, Martin, Sill, Clemens, Polińska, Patrycja, Westermann, Stephan, Dheur, Jean, Hale, Jack S., Baller, Jörg

“…The flow curves of polymers often reveal the onset of melt instabilities such as sharkskin, stick–slip, or gross melt fracture, in order of increasing shear…”
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Strain smoothing for compressible and nearly-incompressible finite elasticity by Lee, Chang-Kye, Angela Mihai, L., Hale, Jack S., Kerfriden, Pierre, Bordas, Stéphane P.A.

“…•Strain smoothing is introduced in the framework of nearly-incompressible finite elasticity.•The method alleviates shear locking.•The method is expressed in…”
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A comparison of constitutive models for describing the flow of uncured styrene-butadiene rubber by Řehoř, Martin, Gansen, Alex, Sill, Clemens, Polińska, Patrycja, Westermann, Stephan, Dheur, Jean, Baller, Jörg, Hale, Jack S.

“…Uncured styrene-butadiene rubber (SBR) can be modelled as a viscoelastic material with at least two different relaxation mechanisms. In this paper we compare…”
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Alterations in cerebrospinal fluid glycerophospholipids and phospholipase A2 activity in Alzheimer's disease[S] by Fonteh, Alfred N., Chiang, Jiarong, Cipolla, Matthew, Hale, Jack, Diallo, Fatimatou, Chirino, Alejandra, Arakaki, Xianghong, Harrington, Michael G.

“…Our aim is to study selected cerebrospinal fluid (CSF) glycerophospholipids (GP) that are important in brain pathophysiology. We recruited cognitively healthy…”
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A cut finite element method for spatially resolved energy metabolism models in complex neuro-cell morphologies with minimal remeshing by Farina, Sofia, Claus, Susanne, Hale, Jack S., Skupin, Alexander, Bordas, Stéphane P. A.

“…A thorough understanding of brain metabolism is essential to tackle neurodegenerative diseases. Astrocytes are glial cells which play an important metabolic…”
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Strong stabilization of neutral functional differential equations by Hale, Jack K., Lunel, Sjoerd M.Verduyn

“…A linear neutral functional differential equation is called strongly exponentially stable if it is exponentially stable when subjected to small variations in…”
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