Sensitivity analysis of numerical model parameters for optimized PEH responses

被引:0
|
作者
Gljuscic, Petar [1 ,2 ]
Zelenika, Sasa [1 ,2 ]
机构
[1] Univ Rijeka, Fac Engn, Rijeka, Croatia
[2] Univ Rijeka, Ctr Micro & Nanosci & Technol, Rijeka, Croatia
关键词
piezoelectric energy harvesters; optimized geometry; numerical analyses; mesh sensitivity;
D O I
10.21595/jve.2022.22910
中图分类号
R318 [生物医学工程];
学科分类号
0831 ;
摘要
With the increasing popularity of wearable devices, typically employed in fitness and health monitoring, there is an evident need to extend their autonomy and replace the conventional power sources with environmentally friendly alternatives. Piezoelectric energy harvesting systems, optimized for collecting kinetic energy from random human motion and transduce it into electrical energy, represent a viable option for powering autonomous wearables. Since established analytical methods are unable to model the behaviour of piezoelectric harvesters with complex optimized geometries, suitable numerical models need to be employed for their design. This implies the need of a thorough study focused on the mechanical engineering design optimization purposes of how the finite element type and mesh density affect the uncoupled modal and coupled transient responses of a new class of optimised design configurations of the studied devices.
引用
收藏
页码:698 / 712
页数:15
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