Search Results - "Almeida, J. P."
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1
A basis for bounding the errors of proper generalised decomposition solutions in solid mechanics
Published in International journal for numerical methods in engineering (08-06-2013)“…SUMMARYThis paper presents an approach that extends the classical error bounding techniques to parametric models. It departs from appropriate pairs of…”
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2
Two families of two‐dimensional finite element interpolation functions of general degree with general continuity
Published in International journal for numerical methods in engineering (30-05-2023)“…This work presents a generalization of the functions used in Fraeijs de Veubeke's quadrilateral (FVQ) element and in Hsieh, Clough and Tocher's (HCT) triangle,…”
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3
Guaranteed error bounds in homogenisation: an optimum stochastic approach to preserve the numerical separation of scales
Published in International journal for numerical methods in engineering (13-04-2017)“…This paper proposes a new methodology to guarantee the accuracy of the homogenisation schemes that are traditionally employed to approximate the solution of…”
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4
An efficient methodology for complementary finite element approximations in three‐dimensional elasticity
Published in International journal for numerical methods in engineering (15-10-2023)“…We present a methodology for the definition of the matrices involved in stress based finite element approximations in three‐dimensional problems. In order to…”
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5
Cerebral blood flow autoregulation in ischemic heart failure
Published in American journal of physiology. Regulatory, integrative and comparative physiology (01-01-2017)“…Patients with ischemic heart failure (iHF) have a high risk of neurological complications such as cognitive impairment and stroke. We hypothesized that iHF…”
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6
The stability of stars of simplicial hybrid equilibrium finite elements for solid mechanics
Published in International journal for numerical methods in engineering (24-08-2016)“…Summary In this paper, we define the spurious kinematic modes of hybrid equilibrium 2D and 3D simplicial elements of general degree and present the results of…”
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7
Positive fluid balance is associated with reduced survival in critically ill patients with cancer
Published in Acta anaesthesiologica Scandinavica (01-07-2012)“…Background There are no studies that describe the impact of the cumulative fluid balance on the outcomes of cancer patients admitted to intensive care units…”
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8
Adaptive force-based frame element for regularized softening response
Published in Computers & structures (01-07-2012)“…► New regularization technique for distributed plasticity force-based frame elements. ► High accuracy for hardening response and objectivity for post-peak…”
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9
Exercise and amyotrophic lateral sclerosis
Published in Neurological sciences (01-02-2012)“…© Springer-Verlag 2012 Amyotrophic Lateral Sclerosis (ALS) is a progressive and fatal neurodegenerative disease in which much burden is geared towards…”
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10
A graph-based algorithm to define urban topology from unstructured geospatial data
Published in International journal of geographical information science : IJGIS (01-08-2013)“…Interpretation and analysis of urban topology are particularly challenging tasks given the complex spatial pattern of the urban elements, and hence their…”
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11
Nonneuronal Cholinergic System in Human Erythrocytes: Biological Role and Clinical Relevance
Published in The Journal of membrane biology (01-04-2010)“…Acetylcholine is well known in the medical setting as one of the most exemplary neurotransmitters. Its ubiquity in nature otherwise suggests a theoretically…”
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12
Recovery of equilibrium on star patches using a partition of unity technique
Published in International journal for numerical methods in engineering (17-09-2009)“…A technique for recovering equilibrated element stresses is developed for finite element models of structural mechanics problems. The data for the method…”
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13
Improved eigenfrequencies of mechanical systems by combining complementary models
Published in International journal for numerical methods in engineering (22-06-2018)“…Summary In this paper, we propose a novel approach to combine two complementary numerical models of the dynamical behaviour of mechanical systems: primal…”
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14
Recovery of strong equilibrium from displacement‐based finite element models of Reissner‐Mindlin plates
Published in International journal for numerical methods in engineering (27-04-2018)“…Summary In this paper, we extend to Reissner‐Mindlin plate bending problems a technique, originally proposed in the context of two‐dimensional and…”
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15
Equilibrium-Based Finite-Element Formulation for the Geometrically Exact Analysis of Planar Framed Structures
Published in Journal of engineering mechanics (01-12-2010)“…This paper addresses the development of a hybrid-mixed finite-element formulation for the geometrically exact quasi-static analysis of elastic planar framed…”
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16
Holographic dark energy and the universe expansion acceleration
Published in Physics letters. B (04-05-2006)“…By incorporating the holographic principle in a time-depending Λ-term cosmology, new physical bounds on the arbitrary parameters of the model can be obtained…”
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17
Modulation of Erythrocyte Acetylcholinesterase Activity and Its Association with G Protein-Band 3 Interactions
Published in The Journal of membrane biology (01-03-2009)“…Circulating acetylcholine, substrate of membrane acetylcholinesterase (AChE), is known to enhance the band 3 protein degree of phosphorylation. The purpose of…”
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18
Severe novel influenza A (H1N1) infection in cancer patients
Published in Annals of oncology (01-12-2010)“…The natural history and consequences of severe H1N1 influenza infection among cancer patients are not yet fully characterized. We describe eight cases of H1N1…”
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19
The stability of stars of triangular equilibrium plate elements
Published in International journal for numerical methods in engineering (12-02-2009)“…Equilibrium models for finite element analyses are becoming increasingly important in complementary roles to those from conventional conforming models, but…”
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20
Effects of levetiracetam in lipid peroxidation level, nitrite-nitrate formation and antioxidant enzymatic activity in mice brain after pilocarpine-induced seizures
Published in Cellular and molecular neurobiology (01-05-2007)“…: Oxidative stress has been implicated in a large number of human degenerative diseases, including epilepsy. Levetiracetam (LEV) is a new antiepileptic agent…”
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