By Aurelio L. Araujo, Carlos A. Mota Soares
This paintings used to be compiled with multiplied and reviewed contributions from the seventh ECCOMAS Thematic convention on clever constructions and fabrics, that used to be held from three to six June 2015 at Ponta Delgada, Azores, Portugal. The convention supplied a complete discussion board for discussing the present state-of-the-art within the box in addition to producing thought for destiny rules particularly on a multidisciplinary point.
The scope of the convention integrated subject matters regarding the subsequent areas:
Fundamentals of shrewdpermanent fabrics and buildings; Modeling/formulation and characterization of clever actuators, sensors and clever fabric platforms; tendencies and advancements in various parts reminiscent of fabric technological know-how together with composite fabrics, clever hydrogels, interfacial phenomena, section obstacles and boundary layers of part obstacles, keep an eye on, micro- and nano-systems, electronics, and so on. to be thought of for shrewdpermanent structures; Comparative evaluate of other shrewdpermanent actuators and sensors; research of structural recommendations and designs by way of their adaptability to clever applied sciences; layout and improvement of clever buildings and structures; Biomimetic phenomena and their proposal in engineering; Fabrication and checking out of shrewdpermanent buildings and structures; purposes of clever fabrics, buildings and similar know-how; shrewdpermanent robots; Morphing wings and clever aircrafts; synthetic muscle mass and biomedical purposes; clever constructions in mechatronics; and effort harvesting.
Read or Download Smart Structures and Materials: Selected Papers from the 7th ECCOMAS Thematic Conference on Smart Structures and Materials PDF
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This paintings was once compiled with extended and reviewed contributions from the seventh ECCOMAS Thematic convention on shrewdpermanent buildings and fabrics, that used to be held from three to six June 2015 at Ponta Delgada, Azores, Portugal. The convention supplied a finished discussion board for discussing the present cutting-edge within the box in addition to producing thought for destiny principles in particular on a multidisciplinary point.
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Additional resources for Smart Structures and Materials: Selected Papers from the 7th ECCOMAS Thematic Conference on Smart Structures and Materials
Example text
After finishing the poling phase, cyclic electric voltage with constant amplitude is applied, which alternates from 0 to 33 V (see Fig. 8). Damage accumulates merely due to the electric cyclic loading. A contour plot of the damage value, accumulated from 90 cycles, is shown in Fig. 12. For better visualisation, the deformation near the electrode tip is scaled 150 times. It is remarkable that the simulated open- 2 Numerical Analysis of Fracture of Pre-stressed Ferroelectric . . 33 Fig. 12 Damage accumulated after 90 electric cycles Fig.
51 fraction. Conversely, when the input strain is above ????2 , where the material has fully been transformed to martensite, additional strain does not contribute to the evolution of more martensite but rather to elastic deformation. The propagation of martensite occurs mainly when the input strain is in between the knees (the plateau), moreover, this propagation is linearly dependant on the input strain. 16) The calculation of the required parameters is as follows: ∙ E3∗ : The calculation of E3∗ is highly dependant on the volume fraction of martensite present in the material at ????p , the strain where unloading occurs.
De P. de M. L. A. 1007/978-3-319-44507-6_3 41 42 A. Pai et al. based on simple closed-form equations, it is extremely computational efficient and can build the foundation for the development of real-time capable SMA models for control algorithms. 1 Introduction Shape Memory Alloys (SMAs) have been investigated numerously in the last decades due to their ability to display two kinds of shape recovery effects, namely, the one-way-shape-memory-effect and pseudoelasticity [1–4]. These effects arise due to the fact that microscopically, SMAs feature two phases: a parent high temperature austenitic phase and a low-temperature martensitic phase.