A Good Earthquake Concave Behaviour of a Seismic Isolator Which Supports a Metallic Roof

A Good Earthquake Concave Behaviour of a Seismic Isolator Which Supports a Metallic Roof

We combine some important theoretical mathematical results with practical aspects from engineering in a nice framework of K-spiders, which forms a space with global nonpositive curvature. Some concavity properties into such framework are derived. As an application, we consider a mathematical model f...

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Main Authors: Iancu Durău, Ionel Rovenţa, Nicolae Daniel Stoica
Format: Article
Language:English
Published: Hindawi Limited 2017-01-01
Series:Mathematical Problems in Engineering
Online Access:http://dx.doi.org/10.1155/2017/3919438
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spelling doaj-8c45b2caf4874ab8a1937a16692ca48e2020-11-24T22:17:04ZengHindawi LimitedMathematical Problems in Engineering1024-123X1563-51472017-01-01201710.1155/2017/39194383919438A Good Earthquake Concave Behaviour of a Seismic Isolator Which Supports a Metallic RoofIancu Durău0Ionel Rovenţa1Nicolae Daniel Stoica2Technical University of Civil Engineering, București, RomaniaDepartment of Mathematics, University of Craiova, 200585 Craiova, RomaniaTechnical University of Civil Engineering, București, RomaniaWe combine some important theoretical mathematical results with practical aspects from engineering in a nice framework of K-spiders, which forms a space with global nonpositive curvature. Some concavity properties into such framework are derived. As an application, we consider a mathematical model for an engineering problem. More precisely, we are trying to model the behaviour of tension forces appearing in a metallic roof supported on seismic isolators. In fact, we are looking to find the properties of good seismic isolators in order to reduce the destructive power of an earthquake. The answer consists of a concave behaviour in terms of the displacements on the 3D axes of the Cartesian system.http://dx.doi.org/10.1155/2017/3919438
collection DOAJ
language English
format Article
sources DOAJ
author Iancu Durău
Ionel Rovenţa
Nicolae Daniel Stoica
spellingShingle Iancu Durău
Ionel Rovenţa
Nicolae Daniel Stoica
A Good Earthquake Concave Behaviour of a Seismic Isolator Which Supports a Metallic Roof
Mathematical Problems in Engineering
author_facet Iancu Durău
Ionel Rovenţa
Nicolae Daniel Stoica
author_sort Iancu Durău
title A Good Earthquake Concave Behaviour of a Seismic Isolator Which Supports a Metallic Roof
title_short A Good Earthquake Concave Behaviour of a Seismic Isolator Which Supports a Metallic Roof
title_full A Good Earthquake Concave Behaviour of a Seismic Isolator Which Supports a Metallic Roof
title_fullStr A Good Earthquake Concave Behaviour of a Seismic Isolator Which Supports a Metallic Roof
title_full_unstemmed A Good Earthquake Concave Behaviour of a Seismic Isolator Which Supports a Metallic Roof
title_sort good earthquake concave behaviour of a seismic isolator which supports a metallic roof
publisher Hindawi Limited
series Mathematical Problems in Engineering
issn 1024-123X
1563-5147
publishDate 2017-01-01
description We combine some important theoretical mathematical results with practical aspects from engineering in a nice framework of K-spiders, which forms a space with global nonpositive curvature. Some concavity properties into such framework are derived. As an application, we consider a mathematical model for an engineering problem. More precisely, we are trying to model the behaviour of tension forces appearing in a metallic roof supported on seismic isolators. In fact, we are looking to find the properties of good seismic isolators in order to reduce the destructive power of an earthquake. The answer consists of a concave behaviour in terms of the displacements on the 3D axes of the Cartesian system.
url http://dx.doi.org/10.1155/2017/3919438
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