„… , structural vibrations must either be in-sulated, i.e. prevented from spreading, or dampened, whereby they are …” „… state-ment on the potential effect of occurring electromagnetic forces on structural vibrations had to be …” „… VDI-Berichte Nr. 2420, 2023476 force deflection pattern increase with speed here, while the structural …”

„… efficient calculation method of the gearbox vibration excitation. The results indicate the potential to …” „… gear. To investigate relevant influencing parameters on the excitation behavior of the planetary stage …” „… reference variant represents a balanced design with respect to efficiency and excitation behavior. In …”

„… / finite element hybrid modeling method. In the model, the structural flexibility of the shaft and housing …” „…                                                                VDI-Berichte Nr. 2355, 2019 449 consider the influence of structural flexibility of the shaft and housing on …” „… , a coupled dynamic model of helicopter main gearbox considering structural flexibility of the shaft …”

„… properly according to one’s goals. If we now refocus on the topic of structural health monitoring (SHM …” „… excitation frequencies [5 -6]). On the other hand, the signal processing tools which are more and more …” „… Structural Health Monitoring cab be accessible by different techniques [8-9]. Dedicated post-processing …”

„… with lots of influences like transfer path, structural resonance behavior and noise excitation …” „… excitation and noise. Fig. 13: Options to tune quality Different errors of internal gears can be …” „… . Regarding the gear mesh excitation for some parameters in gear geometry there is a trace to its source in …”

„… interesting properties but they efficiency depends of excitations. Xiao [16], who studied gears filled with …” „… filling material. The damping matrix is introduced a structural damping matrix, based on a coefficient …” „… Vmax is a 1diamater mode and excitation level are also due meshing effects because the pitch error is …”

„… expressed as: . . . . where V is the normal structural vector related to the pinion and gear …” „… matrix reads ( being the tangential structural vector): ∑ with .. This paper is dedicated to the …” „… , 102(2), 1981, 447-459 [14] Velex, P. & Sainsot, P.: An analytical study of tooth friction excitations …”

„… first indispensable step of a Structural Health Monitoring strategy. State-of-art and challenges are …” „… excitation. Vibrations were measured by means of two piezoelectric accelerometers (PCB M352C68) fixed on the …”

„… forces were neglected because they represent a subordinate stress for the main frame. The excitations …” „… generation The task of VI is to iteratively generate external excitations from common measured variables on …” „… accomplish this, a matrix of transfer functions must be created based on noise excitations in the excitation …”

„… meshing represents a significant source of vibration excitation in gear units and shapes their acoustic …” „… modelling of the individual flexible bodies, bearings, joints, gear wheels as well as meshing excitation …” „… assembly but also to accurately represent the dynamic excitation from gear meshing. For this, metrological …”

„… optimizing the transmission error, it is possible to reduce the structural excitation and, consequently, the …” „… excitation. Although it is known that periodic modifications can limit the excitation for a single load [1 …” „… ], it has been shown that these modifications result in increased excitation for wide speed and torque …”

„… important role in the design of structures to minimize noise, structural instability, and fatigue failure of …” „… that the noise emission level of a gearbox is directly related to the excitation behavior of the …” „… powertrain. The dynamic interaction between the meshing teeth and the structural behavior of the drivetrain …”

„… gearbox design. It is known that the power transmission process leads to an internal vibration excitation …” „… excitation loads at the corresponding bearing stations. Finally, the distribution of the sound pressure level …” „… imposed by zero admittance, which means that the structural velocity perfectly VDI-Berichte Nr. 2422 …”

„… structural connections, these fluctuating excitations produce noise. To minimize such unwanted noise sources …” „… between neighboring teeth due to a force on a given tooth, Structural effects due to blank design (thin …” „… vibrations are realized by combining the structural mode shapes, used as input to the multibody dynamics …”

„… excitation, oblique tail shaft's length and transmission error amplitude on the torsional vibration were …” „… main reducer is a key system of the electric powered helicopter, and a EPS’s structural diagram is …” „… InverterFig. 1: Structural diagram of electric propulsion system.Table 1: Parameters of permanent magnet …”

„… Influence of Axis Misalignments in Stepped Planetary Gear Stages on the Excitation Behavior – Test …” „… allows the investigation of the excitation and displacement behavior of stepped planetary gear stages …” „… is introduced with eccentric bushings in this test rig concept. To evaluate the excitation and …”

„… their low cost, low noise excitation, and the possibility of lubrication-free use. In addition, plastic …” „… ). [29] CALCULIX: A Three-Dimensional Structural Finite Elemente Program. http://www.calculix.de …”

„… – Structural Excitation – Impulse Hammer – Structural Response – Vibration Sensor – Augmented Reality – 3D …” „… generated, the present work introduces an actuator for structural excitation that evaluates sensor data …” „… – Angereicherte Realität Marker Keywords: Structural Dynamics – Modal Analysis – Operating Deflection Shapes …”

„… : Mobile Augmented Reality for Teaching Structural Analysis, Advanced Engineering Informatics, 34, 90-100 …” „… : WaveHitMAX - Sensor-based system for impulse, bounce-free excitation of macroscopic solid structures …” „… ) 2280-2292, 2014. [78] S. Suzuki und K. Abe: Topological structural analysis of digitized binary images by …”