Results 211 to 220 of about 2,188 (260)

Assessment of hybrid nanocomposite AFOs for pediatric cerebral palsy: mechanical, spectroscopic, and finite element analysis. [PDF]

Sci Rep
Abdelgawad N, Hadhoud MMA, El-Wakad MT, Abdelbaset R.   +3 more
europepmc   +1 more source

Ultrafast Optoacoustics Reveals Intricate 3D Anisotropic Elasticity in Nanocrystalline Membranes

Advanced Science, EarlyView.
Ultrafast optoacoustic spectroscopy combined with a Sagnac interferometer enables non‐contact, simultaneous characterization of thickness and the full three‐dimensional anisotropic elastic constants in freestanding nanocrystalline copper membranes. By capturing gigahertz Lamb waves and zero‐group‐velocity resonances followed by SAFE‐GA inversion, the ...
Shuchang Zhang, Yi He, Guojie Luo, Jie Huang, Pak San Yip, Haoyu Cui, Wanglinhan Zhang, Zijian Wang, Lin Ye, Yang Lu, Zhongqing Su, Yehai Li   +11 more
wiley   +1 more source

Unsteady Aerodynamics in Bio-Inspired Flapping Wings for Low-Density Environments. [PDF]

Biomimetics (Basel)
Prisăcariu EG, Dumitrescu O, Sima M, Aparece-Scutariu V, Strătilă S, Roșu RA, Cuciumita C, Vlăducă I, Bica S.   +8 more
europepmc   +1 more source

Numerical and statistical analysis of aluminum deep drawing using LS-DYNA coupled with Taguchi design and response surface methodology. [PDF]

Sci Rep
Shamso E, El Kafy MA, Naeim N.
europepmc   +1 more source

Research on the model of staggered tooth phase to reduce vibration of single-stage gear transmission system: Theoretical analysis and experiments. [PDF]

PLoS One
Hou S, Li B, Zhu D, Ye H, Zhang C.
europepmc   +1 more source

A Finite Element Study of Bimodulus Materials with 2D Constitutive Relations in Non-Principal Stress Directions. [PDF]

Materials (Basel)
Dong C, Wang F, Wang T, Zhao L, Qian P, Li M, Dai Z, Zeng S.   +7 more
europepmc   +1 more source

Experimental and numerical study on FRP-rehabilitated RC beam-column joints at high temperature with artificial neural network. [PDF]

Sci Rep
Prakash RS, Parthasarathi N.
europepmc   +1 more source

Biomechanical evaluation of a lower-limb implant model under gait and stumbling conditions using finite element analysis. [PDF]

Sci Rep
Nawel G, Abderahmane S, Abdelmadjid M, Sallah ZME, Yaylacı M, Öztürk Ş, Ismail B, Yaylacı EU, Dizdar A, Güvercin Y.   +9 more
europepmc   +1 more source

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Contact characterization and time-varying meshing stiffness calculation of elliptical gears

Journal of Strain Analysis for Engineering Design
The investigation of tooth contact characteristics in elliptical gears holds significant importance for gear transmission analysis. This study focuses on elliptical gear pairs, establishing precise tooth surface equations through gear hobbing principles to develop a digital model.
Changbin Dong, Yongping Liu
exaly   +2 more sources

A time‐varying meshing stiffness model for gears with mixed elastohydrodynamic lubrication based on load‐sharing

Quality and Reliability Engineering International
AbstractIn mixed elastohydrodynamic lubrication (EHL), the load distribution between the gear meshing surfaces is shared by the oil film and the asperities of the gear's rough surface. Based on the load‐sharing concept, this paper proposes a time‐varying meshing stiffness (TVMS) model for gears with mixed EHL.
Gu Yingkui, Guangqi Qiu, Peng Huang
exaly   +2 more sources