... dynamics machinery and structural damage identification machinery noise mechanical signatures nonlinear vibration random vibration rotor dynamics Mechanical face seals are wide spread in many applications, such as centrifugal compressors, submersible pumps, drill-bits for oil and water...

... 2022 nonlinear vibration random vibration Memorial University of Newfoundland 10.13039/501100005616 President's Doctoral Student Investment Fund (PDSIF) Geared systems are widely used in mechanisms found in the automation and aviation industries. The advancement...

...Xi Wang; Jun Jiang; Ling Hong; Jian-Qiao Sun The first-passage time probability plays an important role in the reliability assessment of dynamic systems in random vibrations. To find the solution of the first-passage time probability is a challenging task. The analytical solution to this problem...

...@asu.edu Contributed by the Technical Committee on Vibration and Sound of ASME for publication in the J ournal of V ibration and A coustics . 29 04 2021 10 04 2022 11 04 2022 10 05 2022 dynamics nonlinear vibration random vibration stability The mathematical...

...Dimitrios Papadimitriou; Zissimos P. Mourelatos; Zhen Hu This paper proposes a new computationally efficient methodology for random vibrations of nonlinear vibratory systems using a time-dependent second-order adjoint variable (AV2) method and a second-order projected differentiation (PD2) method...

... damage identification mechanical signatures random vibration The interaction between different machinery components may produce transient events in many situations such as rolling elements bearings defects and flawed gear teeth. In the early stages of fault, the generated impacts are very short...

... full-field vibration imaging using deflectometry can benefit to research concerning mechanical vibration and related experimental methods. dynamics random vibration sensors and actuators structural acoustics Among other full-field methods such as digital image correlation (DIC) [ 1 , 2...

... machinery noise nonlinear vibration random vibration Georgia Southern University 10.13039/100006376 Start-up Fund University of Michigan 10.13039/100007270 University of Michigan Collegiate Professorship Noise is unavoidable in measurements. For example, in structural health...

... are obtainable from the corresponding author upon reasonable request. The authors attest that all data for this study are included in the paper. Data provided by a third party listed in Acknowledgment. References [1] Soong , T. T. , and Grigoriu , M. , 1993 , Random Vibration of Mechanical...

... excitation signal is produced by the general signal generator, and these excitation signals are expanded by the amplifier. The periodic excitation signal is subsequently sent to the mini-shaker, while the random vibration signal is sent to the general shaker. In this case, the bistable motion model...

... random vibration structural dynamics and control vibration control The tuned liquid damper (TLD) is a dynamic vibration absorber (DVA) that is employed to reduce the resonant response of tall and slender structures. In a TLD, a partially filled tank of liquid is installed near the top...

... Contributed by the Technical Committee on Vibration and Sound of ASME for publication in the J ournal of V ibration and A coustics . 08 11 2020 08 01 2021 08 01 2021 12 02 2021 random vibration structural acoustics The existence of a particular state of vibration...

... the Project No. IMP/2019/000276. active vibration and noise control dynamics modal analysis random vibration structural dynamics and control system identification vibration control Of many overarching problems in vibration-based condition monitoring, modal identification is one...

... and A coustics . 12 06 2020 05 11 2020 05 11 2020 08 12 2020 elastic supports moving load dynamics regularization inverse problem damping modal analysis random vibration system identification The dynamics of structures caused by moving loads has been widely studied...

... and vibration random vibration vibration control Flow control through structural design is used to realize vibration reduction, drag reduction, and lift enhancement, and is of importance in engineering areas, e.g., aerospace, bridges, ships, and heat exchangers engineering [ 1 , 2 ]. The methods...

...@univ-lyon1.fr Email: denis.brizard@ifsttar.fr Contributed by the Design Engineering Division of ASME for publication in the J ournal of V ibration and A coustics . 02 12 2019 16 05 2020 16 05 2020 19 06 2020 random vibration polynomial chaos expansion proper...

... from the track irregularities. dynamics nonlinear vibration random vibration statistical methods 30 12 2019 19 04 2020 20 04 2020 22 05 2020 Contributed by the Design Engineering Division of ASME for publication in the J ournal of V ibration and A coustics...

... 2020 18 01 2020 27 01 2020 random vibration structural dynamics and control vibration control extreme response spectrum fatigue damage spectrum In actual engineering, there are often some complicated vibration environments that cannot be simply expressed by broadband random...

... in random vibration and shock environments. We show that the modal properties of the structure and the spectral content of the input must be considered together to assess damage risk. Because input energy includes absorbed energy as well as relative kinetic energy and dissipated energy...

... ratio analytically. When comparing the proposed damper with its counterpart reported in the literature, the proposed damper achieves 20–70% improvement when their weights are identical. random vibration smart materials and structures vibration control Fig. 4 SDOF primary structure...