Nonlinear finite element analysis of orthotropic and prestressed membrane structures

Valdés, Jesús; Miquel, Juan Carlos; Oñate, Eugenio

doi:10.1016/j.finel.2008.11.008

Cited by 38 publications

(30 citation statements)

References 19 publications

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“…Be that as it may, layer hypothesis represents pressure and pressure stresses. In layer hypothesis, just the in-plane anxiety resultants are considered [18]. Limited component investigation of film structures for little distortion is found [19].…”

Section: Literature Reviewmentioning

confidence: 99%

Durability and Performance Analysis of Smart Materials for Space Applications- A Review

Kumar¹

2017

IJRASET

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Smart materials innovation applies to anenormous scope of items including structures, spans, PCs, cameras, airship, even skis in which unreasonable vibration in a machine on the shop floor may bring about overheating of parts that don't meet the producer's details. These issues that could happen if a comparable circumstance occurred on a flying machine and you start to comprehend the extension and estimation of keen material applications. The ideal approach to comprehend the brilliant material idea is to take a gander at its employment. This report manages the accessible shrewd materials, their properties and some of their territories of use and future prospects". Smart materials are the materials that "recollect" designs and can fit in with them when given a particular jolt. In the current years, the different materials, for example, fly fiery debris, silica sand, artistic tidy, steel scrap from themachine, polyurethane froth and so on were utilized as a keen material to diminish the different issues happen amid and after the development. The present examination depicts the utilization of such materials and their significance in the field of Mechanical designing for maintainable advancement. These materials can react to changes in heat, warm, or magnetic waves. They can see and feel the jolts from nature and in addition from their inward, to respond on boosts and adjust to them by thereconciliation of functionalities in their structures.

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Section: Literature Reviewmentioning

confidence: 99%

Durability and Performance Analysis of Smart Materials for Space Applications- A Review

Kumar¹

2017

IJRASET

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“…1 shows a general shell mesh before the fiber orientation (left) and after the fiber orientation (rigth) where red-dashed lines show vectors of principal fiber orientation e d for an initially out-ofplane membrane structure together with its unit base vectors e i . A deep study of membranes using the fiber orientation methodology can be found in Valdés et al [35]. Bending effect for this rotation-free shell triangle element is given by the displacement field of one element and all nodes of adjacent elements, as shown in the patch of Fig.…”

Section: Finite Element Discretization For Shellsmentioning

confidence: 99%

A Fluid-Structure Interaction Scheme Applied to the Analysis and Design of Awind Turbine Generator System – An Engineering Solution

Valdés¹,

Hernández²,

Mendoza³

2014

Proceedings of 10th World Congress on Computational Mechanics

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“…Three-dimensional elastic membranes such as balloons have various engineering and biomedical applications including parachutes, gas inflated cushion roof panels, air beams, automobile airbags and human brain tissue [1][2][3][4]. Nonlinear inflation of pressurized membranes, especially hyperelastic balloons, is a classical finite deformation problem in continuum mechanics, which has received considerable attention in the past few years [5][6][7][8][9][10][11].…”

Section: Introductionmentioning

confidence: 99%

Snap-through instabilities of pressurized balloons: Pear-shaped bifurcation and localized bulging

Wang

Huo

et al. 2018

International Journal of Non-Linear Mechanics

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This paper investigates numerically the post-bifurcation evolution of ellipsoidal or spherical balloons subject to internal pressure, where the primary -shaped curves of pressure vs. principal stretch and the corresponding bifurcated branch, i.e. pear-shaped deformation, are captured quantitatively. We quantify and discuss the range of pear-shaped bifurcation intervals of ellipsoids and the associated critical points. For rugby-shaped ellipsoidal balloons, we find that there exists a threshold for the aspect ratio of the major and minor axes that leads to pear-shaped bifurcation, which is detected by the finite element method. When the rugby shape becomes sufficiently slender, the nonlinear response of the ellipsoidal balloons is well approximated by the deformation of a tube with localized bulging instead of pear-shaped configuration. We obtain the nonlinear evolution of the localized bulging of rugby-like ellipsoids numerically. Furthermore, we examine the influence of various aspect ratios for rugby-shaped balloons on the localized bulging response. We find that pumpkinshaped ellipsoids can always bifurcate into pear shape. Lastly, we provide a unified phase diagram on instability mode selection of various aspect ratios of ellipsoidal balloons, with diverse representative deformed configurations.

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Nonlinear finite element analysis of orthotropic and prestressed membrane structures

Cited by 38 publications

References 19 publications

Durability and Performance Analysis of Smart Materials for Space Applications- A Review

Durability and Performance Analysis of Smart Materials for Space Applications- A Review

A Fluid-Structure Interaction Scheme Applied to the Analysis and Design of Awind Turbine Generator System – An Engineering Solution

Snap-through instabilities of pressurized balloons: Pear-shaped bifurcation and localized bulging

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