Flexural wave manipulation and energy harvesting characteristics of a defect phononic crystal beam with thermal effects

2019 ◽  
Vol 125 (3) ◽  
pp. 035103 ◽  
Author(s):  
Qian Geng ◽  
Tianyu Cai ◽  
Yueming Li
Keyword(s):  
Energy Harvesting ◽  
Thermal Effects ◽  
Phononic Crystal ◽  
Flexural Wave

scholarly journals Flexural wave energy harvesting by the topological interface state of a phononic crystal beam

2021 ◽  
pp. 101578
Author(s):  
Tian-Xue Ma ◽  
Quan-Shui Fan ◽  
Chuanzeng Zhang ◽  
Yue-Sheng Wang
Keyword(s):  
Energy Harvesting ◽  
Wave Energy ◽  
Phononic Crystal ◽  
Interface State ◽  
Flexural Wave

Flexural Wave Band Gaps in Phononic Crystal Thick Plates with Defects

2019 ◽  
Author(s):  
Edson Jansen Pedrosa de Miranda Junior ◽  
Jose Maria Campos dos Santos
Keyword(s):  
Phononic Crystal ◽  
Band Gaps ◽  
Flexural Wave ◽  
Wave Band ◽  
Thick Plates

Designing a phononic crystal with large-size defect to enhance elastic wave energy localization and harvesting

2021 ◽  
Author(s):  
Xian’e Yang ◽  
Jiahui Zhong ◽  
Jiawei Xiang
Keyword(s):  
Energy Harvesting ◽  
Elastic Waves ◽  
Phononic Crystal ◽  
Defect Mode ◽  
Energy Localization ◽  
Remarkable Effect ◽  
Large Size ◽  
Piezoelectric Energy ◽  
Elastic Wave Energy ◽  
Multiple Cells

Abstract Phononic crystal (PnC) has been proved for its manipulation and amplification of elastic waves. Using this characteristic of PnC to assist energy harvesting has remarkable effect. Generally, defect occurs when unit cell in PnC is replaced by another cell with different geometric or material properties, the output electric power of piezoelectric energy harvesting (PEH) devices will be significantly enhanced. In this study, a cross hole-type PnC-assisted PEH device with a large-size defect is presented by replacing several adjacent multiple cells with other cells. It is found that multiple peak voltages can be created within BG and multimodal energy harvesting can be performed. Compared with the defect mode composed of a small-size defect, energy localization and amplification of the proposed PnC leads to substantially enhancement of harvesting power after tailoring geometric parameters of a PEH device. This work will be expected to design PnC-assisted PEH devices in a reasonable way.

Flexural Wave Band Gaps in a 1D Phononic Crystal Beam

2018 ◽  
pp. 487-499
Author(s):  
Edson Jansen Pedrosa de Miranda ◽  
José Maria Campos dos Santos
Keyword(s):  
Phononic Crystal ◽  
Band Gaps ◽  
Flexural Wave ◽  
Wave Band
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