作者: 愛花花兒憤怒 時間: 2025-3-21 20:23
Modal Model Validation Using 3D SLDV, Geometry Scanning and FEM of a Multi-Purpose Drone Propeller TISS is a multi-purpose sensor carrier drone used for professional aerial photography, aerial surveying, air pollution measurements, etc., propelled by two carbon fiber propellers..The kinetic energy of these propellers can excite undesired vibration modes on these blades and excite the drone struct作者: Arthropathy 時間: 2025-3-22 00:38
Effect of Dry Friction Damping on the Dynamic Response of Helicopter Tail Shaft,gned to work in supercritical speeds. In order to limit resonance vibrations of the tail drive shaft, dry friction dampers can be used. Therefore, in order to study the effect of dry friction damping on the response of tail drive shaft, a mathematical model is developed. The tail drive shaft is mode作者: 水獺 時間: 2025-3-22 07:33 作者: 自愛 時間: 2025-3-22 12:31
Estimating Material Wavespeed Using the Wavenumber Transform of Rectangular Plate Mode Shapes,ten arbitrary, thin rectangular samples are easy to manufacture, model and test and therefore are commonly-used for these measurements. The roving hammer approach can be used to collect frequency response functions at a rectangular grid of points located on plate. Once the mode shapes have been esti作者: 我要威脅 時間: 2025-3-22 15:47
In-Operation Wind Turbine Modal Analysis via LPV-VAR Modeling, Varying Vector AutoRegressive models, applied to the identification of the vibration response of an operating wind turbine blade. The focus here lies in estimation of the model parameters and their corresponding covariances, as well as the calculation of “frozen” modal quantities from identified mo作者: Charitable 時間: 2025-3-22 18:49 作者: scotoma 時間: 2025-3-23 00:13 作者: 細胞 時間: 2025-3-23 04:35
Applications of 3D Scanning Laser Doppler Vibrometry to an Article with Internal Features,pread. LDV is, by its nature, limited to measurements with line-of-sight visibility. This work presents an application of 3D scanning LDV to a test article with un-instrumented internal features that were not accessible to the lasers. The internal features, while not directly measurable, were known 作者: lipids 時間: 2025-3-23 09:00 作者: 情節(jié)劇 時間: 2025-3-23 11:16 作者: stress-response 時間: 2025-3-23 15:21
Nonlinear Phase Separation Testing of an Experimental Wing-Engine Structure,on of phase separation testing has been proposed for identifying nonlinear normal modes (NNMs) based on input and output measurements. The nonlinear phase separation (NPS) method integrates identification and continuation tools to calculate multiple NNMs from broadband data. The present contribution作者: 前兆 時間: 2025-3-23 18:54 作者: agitate 時間: 2025-3-24 01:23
Nonlinear 3D Dynamic Model of an Automotive Dual Mass Flywheel,g pistons. In standard operating conditions, the resulting torsional oscillations of the crankshaft are transferred to the gearbox, leading to a number of comfort problems. Rattle noise is one of these problems and it is caused by impulsive forces caused by clearances across the driveline and especi作者: WAX 時間: 2025-3-24 05:29
Investigation of Notch-Type Damage Identification by Using a Continuously Scanning Laser Doppler Viter (CSLDV) system. The velocity response of a beam along a scan line under sinusoidal excitation is measured by the CSLDV system and a corresponding operating deflection shape (ODS) of the beam is obtained by the demodulation method. The ODS of the associated undamaged beam is obtained by using a p作者: Acetaminophen 時間: 2025-3-24 08:46 作者: 移動 時間: 2025-3-24 11:11
Conference proceedings 2017e collection presents early findings and case studies on fundamental and applied aspects of Rotating Machinery, Hybrid Testing, Vibro-Acoustics & Laser Vibrometry, including papers on:.Rotating Machinery.Vibro-Acoustics.Experimental Techniques.Advances in Wind Energy.Scanning Laser Doppler Vibrometry Methods.Hybrid Test Methods.作者: tenosynovitis 時間: 2025-3-24 16:19
Wind Turbine Health Monitoring: Current and Future Trends with an Active Learning Twist,ll try to address the motivation and the effectiveness of Structural Health Monitoring (SHM) machine learning applications for the different components of a WTs, as well as, the novel idea of intelligent WT in terms of data knowledge transfer and learning.作者: 頌揚本人 時間: 2025-3-24 21:27 作者: Terrace 時間: 2025-3-24 23:33 作者: predict 時間: 2025-3-25 06:46
Investigation of Notch-Type Damage Identification by Using a Continuously Scanning Laser Doppler Viand a depth of 0.9?mm under different sinusoidal excitation frequencies. The CDI uses the difference between CODSs associated with ODSs that are obtained by the demodulation method and the polynomial fit. The notch is successfully identified near regions with high values of CDIs at different excitation frequencies.作者: CRANK 時間: 2025-3-25 08:13
2191-5644 on Structural Dynamics, 2017, the eighth volume of ten from the Conference brings together contributions to this important area of research and engineering. ?The collection presents early findings and case studies on fundamental and applied aspects of Rotating Machinery, Hybrid Testing, Vibro-Acoust作者: neutrophils 時間: 2025-3-25 13:01 作者: Vulnerary 時間: 2025-3-25 17:49 作者: 癡呆 時間: 2025-3-25 20:51 作者: flavonoids 時間: 2025-3-26 01:07 作者: IRK 時間: 2025-3-26 04:37 作者: expansive 時間: 2025-3-26 09:51 作者: Ceremony 時間: 2025-3-26 14:30
https://doi.org/10.1007/978-3-319-54648-3IMAC Proceedings 2017; Rotating Machinery; Vibro-Acoustics; Experimental Techniques; Advances in Wind En作者: 抱負 時間: 2025-3-26 17:36
Rotating Machinery, Hybrid Test Methods, Vibro-Acoustics & Laser Vibrometry, Volume 8Proceedings of the 3作者: 有花 時間: 2025-3-26 23:10
applications. To address this concern, the China Health Information Processing Conference (CHIP) introduced the evaluation task “CHIP-YIER Medical Large Model Evaluation” to assess the performance of large models in medical terminology, medical knowledge, adherence to clinical standards in diagnosis作者: painkillers 時間: 2025-3-27 03:34 作者: 邊緣 時間: 2025-3-27 06:55 作者: staging 時間: 2025-3-27 12:22 作者: 蛤肉 時間: 2025-3-27 13:53 作者: anus928 時間: 2025-3-27 21:12
Micah R. Shepherdd medical information materials particularly connected to COVID-19. The System collects, organizes and saves personal medical information according with personal electronic medical case history structure. The system had been tested in 22 medical organizations in Russia. Ways of further perspective r作者: Mendacious 時間: 2025-3-28 01:31 作者: oblique 時間: 2025-3-28 05:03
Y. F. Xu,Da-Ming Chen,W. D. Zhuo keep the pace with the data accumulation. Therefore, we propose a named entity recognition and relation extraction framework, AHIAP, to solve these problems mentioned above. AHIAP uses active learning method to reduce the labor cost of the annotation process while maintaining the annotation qualit作者: 實施生效 時間: 2025-3-28 09:55
Ryan Schultz,Ben Pacinid medical information materials particularly connected to COVID-19. The System collects, organizes and saves personal medical information according with personal electronic medical case history structure. The system had been tested in 22 medical organizations in Russia. Ways of further perspective r作者: glans-penis 時間: 2025-3-28 10:42
Bryan Witt,Brandon Zwink,Ron Hopkinsfast development of genetic testing technology and clinical applications, more and more single-gene associated diseases have been discovered, and the cost for screening monogenic disorders has become less and less. In this paper we first introduce the single-gene inherited diseases, then we explain 作者: Prognosis 時間: 2025-3-28 16:09
David A. Ehrhardt,Matthew S. Allen,Timothy J. Bebernissfast development of genetic testing technology and clinical applications, more and more single-gene associated diseases have been discovered, and the cost for screening monogenic disorders has become less and less. In this paper we first introduce the single-gene inherited diseases, then we explain 作者: BIPED 時間: 2025-3-28 21:23 作者: LANCE 時間: 2025-3-28 23:48 作者: intangibility 時間: 2025-3-29 06:50
N. Dervilis,A. E. Maguire,E. Papatheou,K. Wordend by clinicians. In a large validation dataset, we find out that the patients whose actual doses from clinicians matched the decisions made by AI has the lowest mortality rates. Our model provides personalized and clinically interpretable treatment decisions for sepsis to improve patient care.作者: 意外的成功 時間: 2025-3-29 10:09 作者: 首創(chuàng)精神 時間: 2025-3-29 11:35 作者: endocardium 時間: 2025-3-29 18:15
Strategies for Testing Large Aerospace Structures with 3D SLDV,arge number of accelerometer channels with a high resolution laser scan. It explores the use of mirrors and laser head mounts to enable efficient re-alignment of the lasers with the test article when many scans are necessary, and it discusses the difficulties and pitfalls inherent with performing su作者: exacerbate 時間: 2025-3-29 20:01
Modal Model Validation Using 3D SLDV, Geometry Scanning and FEM of a Multi-Purpose Drone Propeller t to composite materials and therefore, a further degree of precision on the testing and simulation is necessary for the successful validation of these components..The experimental modal analysis is performed by the combination of a 3D Scanning Laser Doppler Vibrometer and a scalable automatic modal作者: Anticoagulants 時間: 2025-3-30 02:38
Effect of Dry Friction Damping on the Dynamic Response of Helicopter Tail Shaft,rial functions. The resulting nonlinear ordinary differential equations are converted into a set of nonlinear algebraic equations by using harmonic balance method utilizing single harmonic. Finally, the solution of the resulting set of nonlinear algebraic equations are obtained by using Newton’s met作者: 事與愿違 時間: 2025-3-30 06:21
Estimating Material Wavespeed Using the Wavenumber Transform of Rectangular Plate Mode Shapes,n that the wavenumber verse frequency curve can still be accurately estimated using thin-plate theory to minimize the error of the modal wavenumber at each of the modes. The wavenumber curve can then be used to obtain the material wavespeed.作者: LASH 時間: 2025-3-30 10:44
Mitigation of Structural-Acoustic Mode Coupling in a Modal Test of a Hollow Structure,ions to match the in-vacuo structural model by de-coupling the structural and acoustic modes. Here, acoustic absorption material was used to decouple the modes and attempt to measure the in-vacuo structural response. It was found that the split peak could be eliminated by applying sufficient acousti作者: languor 時間: 2025-3-30 13:12
Applications of 3D Scanning Laser Doppler Vibrometry to an Article with Internal Features,tics of the full system were able to be inferred from purely external measurements. These characteristics were essential in updating the mechanical behavior and material properties of the corresponding finite element model. The response measurements required for system identification were only pract作者: Airtight 時間: 2025-3-30 19:38
The Measurement of a Nonlinear Resonant Decay Using Continuous-Scan Laser Doppler Vibrometry,this investigation, the capabilities of CSLDV will be utilized to measure the nonlinear resonant decay of a clamped-clamped flat beam. The response measured using CSLDV will then be compared with the decay response measured with 3D-DIC to validate the CSLDV method and to understand the advantages an作者: ethnology 時間: 2025-3-31 00:01
Vibro-Acoustic Modulation of a Spinning Apparatus for Nondestructive Evaluation, caused by damage. In this case, the pumping signal is provided by the rotation of the sample and the resulting gravitational and inertial forces. A piezoelectric actuator provides the probing signal and an acoustic emission sensor detects variations in the signal response. This work explores combin作者: entitle 時間: 2025-3-31 04:19
Nonlinear 3D Dynamic Model of an Automotive Dual Mass Flywheel,nding spring motion are accounted for. Moreover, friction occurring in seals and friction resulting from the spring radial forces are included. The developed dual mass flywheel model is included into a multi-body model of the vehicle powertrain to assess the effect of its main parameters on the driv作者: VEN 時間: 2025-3-31 05:58 作者: 聯(lián)想 時間: 2025-3-31 10:22