Results 211 to 220 of about 10,905 (259)

Donor-implanted Guttata in Transplanted Corneal Tissue: Clinical Signs and Impact on Graft Survival. [PDF]

J Ophthalmic Vis Res
Hammer A, Takaza A, Lane M, Rahman A, Vasquez-Perez A.   +4 more
europepmc   +1 more source

Multi-Objective Optimization of the Crashworthiness of Aluminum Circular Tubes with Graded Thicknesses. [PDF]

Materials (Basel)
Ren J, Liu S, Dong X, Zhao C.
europepmc   +1 more source

Practical Application of Passive Air-Coupled Ultrasonic Acoustic Sensors for Wheel Crack Detection. [PDF]

Sensors (Basel)
Shaju A, Kumar N, Mantovani G, Southward S, Ahmadian M.   +4 more
europepmc   +1 more source

Numerical investigation of steel-casing opening design for penetration through riprap in a macro-tidal estuarine mudflat. [PDF]

Sci Rep
Qin Z, Zhao W, Wang H, Xu E, Lin Z, Shen P, Hu J, Ji L, Yang X, Wang K, Tian Y.   +10 more
europepmc   +1 more source

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Rayleigh damping parameters estimation using hammer impact tests

Mechanical Systems and Signal Processing, 2020
Abstract Structural Health Monitoring (SHM) systems for aerospace applications are becoming more prevalent and its potential cost-benefit relation is rapidly improving as more structures that were traditionally made with metallic materials are gradually being replaced by composites.
Fernando Sánchez Iglesias, Antonio Fernández López   +1 more
openaire   +1 more source

Multiple Impact Phenomenon in Impact Hammer Testing: Theoretical Analysis and Numerical Simulation

Acta Mechanica Solida Sinica, 2021
As conducting an impact hammer testing during experimental modal analysis, the multiple impact phenomenon must be avoided. It is generally recognized that the multiple impact phenomenon is induced by the tester’s improper operation and can be avoided through more careful operation. This study theoretically and numerically investigates the whole process
Junyin Li, Ken Lin, Yanchao Hu, Yuliang Yang, Yong Wang, Zhilong Huang   +5 more
openaire   +1 more source

Impact test hammer

The Journal of the Acoustical Society of America, 1992
An impact test hammer includes a cylindrical handle having opposite first and second end portions and a hollow interior, a sensor portion fixed to the first end portion of the handle, and a grip portion fixed to the second end portion of the handle. An elastic striking portion is fixed to an outer periphery of the sensor storage portion, and an impact ...
Kiyoshi Umemura, Teruo Irie
openaire   +1 more source