Influence of Hardening and Inhomogeneity on Internal Loops in Pseudoelasticity

Kuczma, Mieczysław; Mielke, Alexander

doi:10.1002/(sici)1521-4001(200005)80:5<291::aid-zamm291>3.0.co;2-h

Cited by 13 publications

(4 citation statements)

References 9 publications

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“…[KuM00,MTL02,GMH03]) the assumption of reflexitivity of X is too restrictive. We note that the formulation (1.5) via energy functionals provides us with the advantage that the time derivativeż is not required.…”

Section: I(t Z(t)) ≤ I(t Y) + ∆(Y − Z(t)) For All Y ∈ Ementioning

confidence: 99%

On rate-independent hysteresis models

Mielke

Theil

2004

NoDEA

254

356

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Section: I(t Z(t)) ≤ I(t Y) + ∆(Y − Z(t)) For All Y ∈ Ementioning

confidence: 99%

On rate-independent hysteresis models

Mielke

Theil

2004

NoDEA

254

356

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“…The unique properties of SMAs, which result from the reversible martensitic phase transformations, are illustrated in Figure 9 . Modelling and numerical simulations of boundary value problems for SMA structural elements represent a real challenge due to the dissipative nature of the deformation process of reversible phase transformations that constitute a non-convex problem with hysteresis loops [ 49 , 50 , 51 , 52 , 53 ].…”

Section: Basics Of Shape Memory Alloysmentioning

confidence: 99%

Application of Shape Memory Alloys in Retrofitting of Masonry and Heritage Structures Based on Their Vulnerability Revealed in the Bam 2003 Earthquake

et al. 2021

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For decades, one of the most critical considerations of civil engineers has been the construction of structures that can sufficiently resist earthquakes. However, in many parts of the globe, ancient and contemporary buildings were constructed without regard for engineering; thus, there is a rising necessity to adapt existing structures to avoid accidents and preserve historical artefacts. There are various techniques for retrofitting a masonry structure, including foundation isolations, the use of Fibre-Reinforced Plastics (FRPs), shotcrete, etc. One innovative technique is the use of Shape Memory Alloys (SMAs), which improve structures by exhibiting high strength, good re-centring capabilities, self-repair, etc. One recent disastrous earthquake that happened in the city of Bam, Iran, (with a large proportion of masonry buildings) in 2003, with over 45,000 casualties, is analysed to discover the primary causes of the structural failure of buildings and its ancient citadel. It is followed by introducing the basic properties of SMAs and their applications in retrofitting masonry buildings. The outcomes of preceding implementations of SMAs in retrofitting of masonry buildings are then employed to present two comprehensive schemes as well as an implementation algorithm for strengthening masonry structures using SMA-based devices.

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“…Figure 6 depicts the unique features of SMAs resulting from reversible martensitic phase transitions. The dissipative character of the deformation process of reversible phase transitions, which constitutes a non-convex issue with hysteresis loops, makes modelling and numerical simulations of boundary value problems for SMA structural components a significant challenge [42][43][44][45][46]. Figure 6.…”

Section: Shape Memory Alloysmentioning

confidence: 99%

Sustainability of Civil Structures through the Application of Smart Materials: A Review

et al. 2021

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Every year, structural flaws or breakdowns cause thousands of people to be harmed and cost billions of dollars owing to the limitations of design methods and materials to withstand extreme earthquakes. Since earthquakes have a significant effect on sustainability factors, there is a contradiction between these constraints and the growing need for more sustainable structures. There has been a significant attempt to circumvent these constraints by developing various techniques and materials. One of these viable possibilities is the application of smart structures and materials such as shape memory and piezoelectric materials. Many scholars have examined the use of these materials and their structural characteristics up to this point, but the relationship between sustainability considerations and the deployment of smart materials has received little attention. Therefore, through a review of previous experimental, numerical, and conceptual studies, this paper attempts to draw a more significant relationship between smart materials and structural sustainability. First, the significant impact of seismic events on structural sustainability and its major aspects are described. It is then followed by an overview of the fundamentals of smart material’s behaviour and properties. Finally, after a comprehensive review of the most recent applications of smart materials in structures, the influence of their deployment on sustainability issues is discussed. The findings of this study are intended to assist researchers in properly addressing sustainability considerations in any research and implementation of smart materials by establishing a more explicit relationship between these two concepts.

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Influence of Hardening and Inhomogeneity on Internal Loops in Pseudoelasticity

Cited by 13 publications

References 9 publications

On rate-independent hysteresis models

On rate-independent hysteresis models

Application of Shape Memory Alloys in Retrofitting of Masonry and Heritage Structures Based on Their Vulnerability Revealed in the Bam 2003 Earthquake

Sustainability of Civil Structures through the Application of Smart Materials: A Review

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