Journal of Intelligent Material Systems and Structures最新文献_第9页

Electromechanical model and simple numerical analysis for a piezoelectric vibration energy harvester considering nonlinear piezoelectricity, nonlinear damping, and self-powered synchronized switch circuit 考虑非线性压电、非线性阻尼和自供电同步开关电路的压电振动能量采集器机电模型及简单数值分析

IF 2.7 3区材料科学

Journal of Intelligent Material Systems and Structures Pub Date : 2023-06-12 DOI: 10.1177/1045389x231179287

H. Asanuma

{"title":"Electromechanical model and simple numerical analysis for a piezoelectric vibration energy harvester considering nonlinear piezoelectricity, nonlinear damping, and self-powered synchronized switch circuit","authors":"H. Asanuma","doi":"10.1177/1045389x231179287","DOIUrl":"https://doi.org/10.1177/1045389x231179287","url":null,"abstract":"Establishment of an analytical technique that considers nonlinear piezoelectricity, nonlinear damping, and the connections to the self-powered synchronized switch circuit represents a challenging but practical issue in the development of piezoelectric vibration energy harvesters. The two-way coupled analysis method, which combines numerical software with a circuit simulator, can simulate the performance of the harvester, but it imposes a high computational load. We develop a numerical analysis technique that is more readily implemented to allow us to produce accurate predictions of the output power, displacement, and frequency response characteristics of this harvester with the switch circuit. First, we derive the electromechanical equation required for the miniature harvester, and we then determine the parameters in this equation using the harmonic balance method. Finally, the governing equation coupling the piezoelectric vibration energy harvester with the self-powered synchronized switch circuit is simplified, taking the form of a quartic equation with respect to the displacement. The simulation replicated a reduction in the displacement at higher resistive loads, wider variations in the resonance frequency, and the nonlinear stiffness softening characteristics that were observed experimentally. This paper provides a practical method for predicting the performance of the nonlinear piezoelectric vibration energy harvester with the synchronized switch circuit.","PeriodicalId":16121,"journal":{"name":"Journal of Intelligent Material Systems and Structures","volume":"50 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2023-06-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87577282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Development and performance evaluation of a wheel-type cantilevered piezoelectric rotational energy harvester via an unfixed exciting magnet 一种轮式悬臂式非固定励磁压电旋转能量采集器的研制与性能评价

IF 2.7 3区材料科学

Journal of Intelligent Material Systems and Structures Pub Date : 2023-06-02 DOI: 10.1177/1045389x231177806

J. Kan, Li Zhang, Shuyun Wang, Xinyue Kan, Yiqun Gu, Zemeng Yang, Zhonghua Zhang

{"title":"Development and performance evaluation of a wheel-type cantilevered piezoelectric rotational energy harvester via an unfixed exciting magnet","authors":"J. Kan, Li Zhang, Shuyun Wang, Xinyue Kan, Yiqun Gu, Zemeng Yang, Zhonghua Zhang","doi":"10.1177/1045389x231177806","DOIUrl":"https://doi.org/10.1177/1045389x231177806","url":null,"abstract":"A wheel-type cantilevered piezoelectric rotational energy harvester (wheel-type PREH) via an unfixed exciting magnet was presented to harvest energy from rotational motion without or far away from a fixed support. To verify the structural feasibility and figure out the effect of rolling exciting magnet and excited magnet on the dynamic characteristics and power generation performance of the wheel-type PREH, the theoretical analysis, simulation, fabrication and experimental testing were performed. The results showed that the performance of the wheel-type PREH depended on the rotary speeds, proof mass and piezo-cantilever mass, number of exciting magnets, cylindrical sleeve materials and so on. When other parameters were constant, there were multiple optimal rotary speeds for the maximal amplitude-ratio, output voltage, electrical energy and output power to achieve peak. Besides, the total number of voltage crests per second did not change with rotary speed. There was a constant optimal resistance load for the wheel-type PREH at different rotary speeds to achieve maximal power. The PREH prototype could yield a maximum output power of 0.74 mW at 767 r/min with optimal load resistance of 215 kΩ and 40 different color LEDs in parallel and a low power light strip could be lighted by wheel-type PREH.","PeriodicalId":16121,"journal":{"name":"Journal of Intelligent Material Systems and Structures","volume":"3 1","pages":""},"PeriodicalIF":2.7,"publicationDate":"2023-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87137033","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

An experimental study on mechanical properties of a magnetorheological fluid under slow compression 慢压缩条件下磁流变流体力学特性的实验研究

IF 2.7 3区材料科学

Journal of Intelligent Material Systems and Structures Pub Date : 2023-06-02 DOI: 10.1177/1045389X231176881

Hongyun Wang, C. Bi, Axiang Ji, X. Liu, B. Qu, Guang Zhang

{"title":"An experimental study on mechanical properties of a magnetorheological fluid under slow compression","authors":"Hongyun Wang, C. Bi, Axiang Ji, X. Liu, B. Qu, Guang Zhang","doi":"10.1177/1045389X231176881","DOIUrl":"https://doi.org/10.1177/1045389X231176881","url":null,"abstract":"Mechanical properties of magnetorheological (MR) fluids have been investigated in slow compression under different magnetic fields. The compressive stress of the MR fluid has been deduced by assuming that it was a continuous shear flow in Bingham model and has been calculated. The compressive stress has also measured in different magnetic fields and initial gap distances. The compressive stress of the MR fluid in a high magnetic flux density and/or a small initial gap distance was much higher than that predicted by the traditional continuous media theory. Compressive experimental results were also compared with the continuous media theory by a normalized logarithmic form. The achieved experimental result seems to deviate from the prediction by the continuous media theory at a high magnetic flux density and a small initial gap distance. The MR fluid had a high compressive modulus when the compressive strain was lower than 0.042. The compressive modulus had an exponential relationship with the compressive strain higher than 0.042. Frictions between particles, which contribute to the high structure factor, were thought to play an important role in the large deviations in squeeze mode.","PeriodicalId":16121,"journal":{"name":"Journal of Intelligent Material Systems and Structures","volume":"10 1","pages":"2307 - 2318"},"PeriodicalIF":2.7,"publicationDate":"2023-06-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84219019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Admittance signature of piezoceramic transducers bonded on different materials 结合不同材料的压电换能器的导纳特征

IF 2.7 3区材料科学

Journal of Intelligent Material Systems and Structures Pub Date : 2023-06-01 DOI: 10.1177/1045389X221128579

Yaowen Zhang, L. Huo, Ying He, Jin-Zhu Zhao

引用次数: 0

Performance-based life-cycle assessments of a resilient bridge system equipped with smart bearings 基于性能的智能轴承弹性桥梁系统生命周期评估

IF 2.7 3区材料科学

Journal of Intelligent Material Systems and Structures Pub Date : 2023-06-01 DOI: 10.1177/1045389X221136296

D. Liang, Honglei Wu, Xi You, Hang Yang, Hao Liang

{"title":"Performance-based life-cycle assessments of a resilient bridge system equipped with smart bearings","authors":"D. Liang, Honglei Wu, Xi You, Hang Yang, Hao Liang","doi":"10.1177/1045389X221136296","DOIUrl":"https://doi.org/10.1177/1045389X221136296","url":null,"abstract":"A resilient bridge system with smart bearings, that is, shape memory alloy (SMA)-cable-based bearings, is proposed. Its superior resilience property over the conventional bridge system still lacks a practical assessment approach. This paper aims to conduct a comparative performance assessment of both resilient and conventional bridge systems regarding fragility and life-cycle loss aspects. The quasi-static test on the smart bearing prototype is firstly conducted. The cloud method is subsequently utilized to carry out a fragility assessment on the bridge system with uncertainties (e.g. damping, mass, friction factor, and length of slack cable). The result shows that the damage probabilities of the smart bearing at component level and the resilient bridge at system level are both dramatically alleviated although there is a moderate increase of the reinforced concrete pier at component level. Additionally, the analysis result reveals that the life-cycle economic loss of the resilient bridge system is remarkably reduced only at the cost of a slight increment in construction. This study tries to provide decision-makers with a more comprehensive understanding of the seismic superiority of the proposed resilient bridge system with smart bearings and to promote its application in engineering practice for resilience enhancement.","PeriodicalId":16121,"journal":{"name":"Journal of Intelligent Material Systems and Structures","volume":"1 1","pages":"1188 - 1210"},"PeriodicalIF":2.7,"publicationDate":"2023-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"82845924","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Thermomechanical characterization of phase transformation surfaces for thin SMA wires SMA细丝相变表面的热力学特性

IF 2.7 3区材料科学

Journal of Intelligent Material Systems and Structures Pub Date : 2023-05-16 DOI: 10.1177/1045389X231174677

Arif Kazi, Max Hauber, M. Honold

引用次数: 0

Modeling of photo-thermo-sensitive hydrogels by applying the temperature expansion analogy 用温度膨胀类比法模拟光热敏水凝胶

IF 2.7 3区材料科学

Journal of Intelligent Material Systems and Structures Pub Date : 2023-04-24 DOI: 10.1177/1045389X231167798

D. Mählich, Adrian Ehrenhofer, T. Wallmersperger

{"title":"Modeling of photo-thermo-sensitive hydrogels by applying the temperature expansion analogy","authors":"D. Mählich, Adrian Ehrenhofer, T. Wallmersperger","doi":"10.1177/1045389X231167798","DOIUrl":"https://doi.org/10.1177/1045389X231167798","url":null,"abstract":"Hydrogels are an outstanding material for sensor and actuator applications, for example, chemosensors and microfluidics, and have been extensively studied in both, experiments as well as in modeling within the last years. The theoretical investigations of hydrogels are key factors for the development of new hydrogel-based concepts in research and engineering. The recent approaches in modeling of the light-sensitive behavior of hydrogels are often complicated and very detailed. Commonly, they are based on the Helmholtz free energy function within a continuum-mechanical framework. In contrast, the Stimulus Expansion Model (SEM) is a simple and very effective approach to embed the swelling properties of a hydrogel into a continuum mechanical framework. Originally, the SEM was applied to chemical stimulation processes based on available experimental swelling curves. The current work provides an extension of the SEM for photo-thermo-sensitive hydrogels. The present approach considers (i) the attenuation of light by applying Lambert-Beer’s law as well as (ii) the energy transfer of light into heat. In this study, PNIPAm hydrogels with incorporated light-absorbing particles of copper-chlorophyllin are investigated. To demonstrate the capabilities of the presented approach, the effect of the variation of (i) light power, (ii) particle volume fraction, and (iii) ambient temperatures on the swelling behavior is analyzed. The obtained results show an excellent correlation with experimental results from literature. Concluding, the extended Stimulus Expansion Model provides further opportunities to design and simulate photo-thermo-sensitive hydrogels for engineering applications.","PeriodicalId":16121,"journal":{"name":"Journal of Intelligent Material Systems and Structures","volume":"3 1","pages":"2268 - 2279"},"PeriodicalIF":2.7,"publicationDate":"2023-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84129780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Parameter identification for a model for multi-functional materials with hysteresis and thermodynamic compatibility 具有迟滞和热力学相容性的多功能材料模型参数辨识

IF 2.7 3区材料科学

Journal of Intelligent Material Systems and Structures Pub Date : 2023-04-24 DOI: 10.1177/1045389X231167068

Md Sakhawat Hossain, R. Iyer, C. S. Clemente, D. Davino, C. Visone

{"title":"Parameter identification for a model for multi-functional materials with hysteresis and thermodynamic compatibility","authors":"Md Sakhawat Hossain, R. Iyer, C. S. Clemente, D. Davino, C. Visone","doi":"10.1177/1045389X231167068","DOIUrl":"https://doi.org/10.1177/1045389X231167068","url":null,"abstract":"Multifunctional materials have tremendous potential for engineering applications as they are able to convert mechanical to electromagnetic energy and vice-versa. One of the features of this class of materials is that they show significant hysteresis, which needs to be modeled correctly in order to maximize their application potential. A method of modeling multifunctional materials that exhibit the phenomenon of hysteresis and is compatible with the laws of thermodynamics was developed recently. The model is based on the Preisach hysteresis operator and its storage function and may be interpreted as a two-input, two-output neural net with elementary hysteresis operators as the neurons. The difficulty is that the parameters in the model appear in a non-linear fashion, and there are several constraints that must be satisfied by the parameters for thermodynamic compatibility. In this article, we present a novel methodology that uses the rate-independent memory evolution properties of the Preisach operator to split the parameter estimation problem into three numerically well-conditioned, linear least squares problems with constraints. The alternative direction method of multipliers (ADMM) algorithm and accelerated proximal gradient method are used to compute the Preisach weights. Numerical results are presented over data collected from experiments on a Galfenol sample. We show that the model is able to fit not only experimental data for strain and magnetization over a wide range of magnetic fields and stress but also able to predict the response for stress and magnetic fields not used in the parameter estimation.","PeriodicalId":16121,"journal":{"name":"Journal of Intelligent Material Systems and Structures","volume":"21 1","pages":"2280 - 2292"},"PeriodicalIF":2.7,"publicationDate":"2023-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84469222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Metamaterial beam with dual-action absorbers for tunable and multi-band vibration absorption 具有双作用吸收器的超材料梁，可调谐和多波段振动吸收

IF 2.7 3区材料科学

Journal of Intelligent Material Systems and Structures Pub Date : 2023-04-24 DOI: 10.1177/1045389X231164513

S. Althamer

{"title":"Metamaterial beam with dual-action absorbers for tunable and multi-band vibration absorption","authors":"S. Althamer","doi":"10.1177/1045389X231164513","DOIUrl":"https://doi.org/10.1177/1045389X231164513","url":null,"abstract":"This paper presents a new class of metamaterial beams of tunable and multi-band vibration absorption. The metamaterial beam is composed of uniform and periodic beam cells with locally resonant substructure called dual-action vibration absorber, DA. A DA vibration absorber comprising of three locally resonant subsystems, 3-DOF spring-mass-damper subsystems, is utilized to generate frequency stopbands to stop elastic wave propagation. The governing equations of motion for a periodic beam cell are derived. Several distinct mass and stiffness configurations for the metamaterial beam with DA vibration absorber are proposed. The dispersion relations and presence of three frequency stopbands are studied. A finite element method based on Timoshenko beam theory is used to model and analyze the introduced metamaterial beam with DA vibration absorber. The frequency response simulations agree well with the projected stopbands of the developed dispersion relations of the mass and stiffness configurations. The concept of the presented metamaterial beam with tunable and multi-stopbands is promising for wave propagation attenuation and control applications.","PeriodicalId":16121,"journal":{"name":"Journal of Intelligent Material Systems and Structures","volume":"35 1","pages":"2257 - 2267"},"PeriodicalIF":2.7,"publicationDate":"2023-04-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90712064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Electro-structural modeling of smart laminated composite plate under hygrothermal environment for optimum vibration energy harvesting 湿热环境下智能层合复合材料板的电结构建模及优化振动能量收集

IF 2.7 3区材料科学

Journal of Intelligent Material Systems and Structures Pub Date : 2023-04-20 DOI: 10.1177/1045389X231170697

S. K. Panda, J. Srinivas

{"title":"Electro-structural modeling of smart laminated composite plate under hygrothermal environment for optimum vibration energy harvesting","authors":"S. K. Panda, J. Srinivas","doi":"10.1177/1045389X231170697","DOIUrl":"https://doi.org/10.1177/1045389X231170697","url":null,"abstract":"Smart laminated composite structures with piezoelectric patches are widely used in vibration control applications in several engineering fields. Precise mathematical models are required for the coupling of base structural and piezoelectric field variables. This paper presents the electro-structural analysis and optimization studies of piezoelectric energy harvester with laminated composite substrate plate subjected to base excitations. The coupled electro-mechanical equations are derived from recently proposed first-order shear deformation theory via the Hamilton’s principle by considering hygrothermal effects. The coupled-field solution is obtained from Ritz-approximation and validated with three-dimensional finite element analysis. Effects of multiple piezoelectric patch topologies over the plate surface on the open-circuit voltage and displacement response are illustrated. Furthermore, the influences of piezoelectric-patch sizes, ply-orientation, size, and location of the tip mass are initially studied on the magnitude of output power and efficiency. An optimization study is conducted to identify the geometric and material variables for improvement of the harvester power output and efficiency.","PeriodicalId":16121,"journal":{"name":"Journal of Intelligent Material Systems and Structures","volume":"10 1","pages":"2240 - 2256"},"PeriodicalIF":2.7,"publicationDate":"2023-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87447613","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1