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Meccanica OnlineFirst articles

20.01.2020 | Correction

Correction to: Bonded contact and general crack problems in generalized materials and their relationships

Due to an unfortunate turn of events, Eqs. 52, 155, 156 and 157 contain errors. Please find below the correct version of the equations mentioned that should be regarded as the final version by the reader.

verfasst von:
V. I. Fabrikant

17.01.2020

Time-varying mesh stiffness calculation of a planetary gear set with the spalling defect under sliding friction

Time-varying mesh stiffness (TVMS) is an important excitation source of a planetary gear set. Sliding friction and spalling defects have significant effect on the TVMS. Accurate evaluation of the TVMS can help obtain the vibration characteristics …

verfasst von:
Wei Luo, Baijie Qiao, Zhixian Shen, Zhibo Yang, Xuefeng Chen

16.01.2020

Effect of nonlinear cladding stiffness on the stability and Hopf bifurcation of a heat-exchanger tube subject to cross-flow

The linear stability of a heat-exchanger tube modeled as a single-span cantilever beam subjected to cross-flow has been studied with two parameters: (1) varying stiffness of the baffle-cladding at the free end and (2) varying flow velocity. A …

verfasst von:
Varun Vourganti, Ajinkya Desai, Surya Samukham, C. P. Vyasarayani

16.01.2020 | Correction

Correction to: Assessment of shunted piezoelectric devices for simultaneous noise and vibration reduction: comparison of passive, active and hybrid networks

Due to an unfortunate turn of events, this article was published without mention of the first author. Please find on this page all authors listed in the correct order that should be regarded as the final version by the reader.

verfasst von:
Seyyed M. Hasheminejad, Mehran Shahraeeni

16.01.2020

Neuro fuzzy control on horizontal axis wind turbine

To maintain the level of development renewable energy sources must step-in. One alternative is wind energy, it is a clean, stable and consolidated technology driven by the movement of air masses in the planetary boundary layer. This paper aims to …

verfasst von:
Wagner Barth Lenz, Angelo Marcelo Tusset, Mauricio Ap. Ribeiro, Jose Manoel Balthazar

03.01.2020

Uncertain and sensitivity analyses of a composite shaft

Composite materials have been widely used in engineering applications due to their many advantages over conventional materials. Following this trend, researchers on rotordynamics have shown interest in the replacement of metallic by composite …

verfasst von:
Paulo C. P. de F. Barbosa, Fabian Andres Lara-Molina, Izabela Batista da Silva, Aldemir Ap. Cavalini Jr, Valder Steffen Jr

02.01.2020

Behavior of piezoelectric layered composites with mechanical and electrical non-uniform imperfect contacts

In this work, the two scales asymptotic homogenization method (AHM) is applied for determining the effective coefficients of laminated piezoelectric composite with periodic structure under non-uniform electrical and mechanical imperfect contact …

verfasst von:
J. C. López-Realpozo, R. Rodríguez-Ramos, A. J. Quintero Roba, H. Brito-Santana, R. Guinovart-Díaz, Volnei Tita, F. Lebon, H. Camacho-Montes, Y. Espinosa-Almeyda, J. Bravo-Castillero, F. J. Sabina

23.12.2019

Periodic interfacial cracks in dissimilar piezoelectric materials under the influence of Maxwell stress

This paper presents an analytical method to investigate the dissimilar piezoelectric materials containing periodic cracks in the presence of uniform electromechanical loads with consideration of the Maxwell stress. Using Stroh’s formalism and …

verfasst von:
Pengyu Pei, Guang Yang, Yan Shi, Cunfa Gao

19.12.2019

The analysis of vibration characteristics of fiber metal laminated thin plate with partial constrained layer damping patches treatment

This study focuses on vibration characteristics analysis of fiber metal laminated thin plate (FMLTP) with partial constraint layer damping (CLD) patches treatment. Firstly, the overall stress–strain relationships of the viscoelastic layer, the …

verfasst von:
Zhuo Xu, Hui Li, Wen-Yu Wang, Bang-Chun Wen

16.12.2019

Secondary shape optimization of topological boundary of cold plate channels

Secondary shape optimization for topological boundary is proposed to further improve heat dissipation performance of cold plates. Firstly, the topological boundaries obtained with topology optimization are fitted parametrically by Bezier curves.

verfasst von:
Wei Wang, Xiwei Tian, Sihao Qian, Congsi Wang, Meng Wang, Guoming Gao, Haidong Liu

11.12.2019

Destabilization characteristics of three dimensional Rayleigh–Taylor mechanism on a cylindrical interface

The stability of a cylindrical interface separating two incompressible, inviscid and immiscible fluids under the action of radial motion is studied. Linear stability analysis is employed to understand the destabilization characteristics of the two …

verfasst von:
M. Vadivukkarasan, Mahesh V. Panchagnula

09.12.2019

An approach to reduce vibration and avoid shimmy on landing gears based on an adapted eigenstructure assignment theory

Landing gear shimmy is a self excited vibration phenomenon which must be avoided during aircraft design due to its potentially catastrophic behaviour. In a preliminary specification of structural properties of a landing gear, if shimmy is verified …

verfasst von:
Daniel J. Laporte, Vicente Lopes Jr., Douglas D. Bueno

28.11.2019

A passively regulated full-toroidal continuously variable transmission

This work presents a novel self-regulated toroidal continuously variable transmission (ART-CVT) that features a passive control of the speed ratio, achieved with no need for supplementary actuation system. The proposed transmission system is based …

verfasst von:
Mario Milazzo, Giacomo Moretti, Alessandro Burchianti, Davide Mazzini, Calogero Maria Oddo, Cesare Stefanini, Marco Fontana

16.11.2019

Simulation of fracture of elastoplastic materials in mode III: from brittle to ductile

The initiation of a longitudinal shear crack (mode III fracture) in elastoplastic materials with the limiting strain is considered. The crack propagation criterion is formulated using a modified Leonov–Panasyuk–Dugdale model using an additional …

verfasst von:
V. D. Kurguzov, V. M. Kornev