Structural Vibrations
Mitigation of Earthquake Induced Structural Vibrations using Bioinspired Tuned Mass Damper
... A tuned mass damper is a vibration suppression device, which is attached to the vibrating main structure to mitigate structural vibrations. It consists of a mass, spring and a viscous damper. The tuned mass ...
8
Simulation of earthquake-induced structural vibrations in systems with SMA damping elements
... having established themselves in engineering disciplines like mechanical and aerospace engineering, so-called smart materials have become increasingly popular in the civil engineering field as well.This is in particular ...
8
State of the Art of Mitigation of Earthquake Induced Structural Vibrations using Bioinspired Tuned Mass Damper
... A tuned mass damper is a device which consists of a mass, spring and a viscous damper, which is attached to the vibrating main structure in order to filter out undesirable vibrations. The tuned mass damper is ...
7
Main research topics. Main teaching topics. Continuum mechanics Structural vibrations Structural analysis by FEM Composite materials
... He received his PhD in 2004 from ENSAM Paris, France for his work on a new C1 shell finite element with double curvature based on a refined model for linear and nonlinear problems of structural composites. He has ...
5
Analysis of Structural Vibrations due to Passage of Underground Trains
... 4. 3. The soil-tunnel-structure Model The results of vibration studies in the presence of structure are investigated in this section. The analytical model is shown in Figure 1. Referring to this figure, the structure ...
10
MECHANISM OF ORIGIN OF STRUCTURAL VIBRATIONS IN CONICAL ROLLER BEARINGS
... bending vibrations of the outer ring in the axial load characteristic for testing of bearings for driven units [4] with the values es- tablished by standards for low-noise vibration of roller bearings shows that ...
5
Vibrations and Waves Benjamin Crowell pdf
... the vibrations increase in amplitude, there is an increase in the amount of energy taken away by damping with each ...the vibrations increases, the damping force is being applied over a longer ...
92
Nonlinear vibrations, stability, analysis and control
... in structural and organisation components of NSP, the provision of and access to health care and the wider socio-political climate that may limit the generalisability of these findings to other ...
14
Effect of Mechanical Vibrations on Human Body
... Mechanical vibrations cause forces that affect human ...mechanical vibrations study, this paper is a resource for the development and implementation of models in the Simulink/MATLAB ...
32
Active control of vibrations in piping systems
... state vibrations due to ...But vibrations occurring in piping system after the initial start up of operation or after the backfitting of a plant can lead to serious ...
8
Intimate Vibrations: Inventing the Dream Bedroom
... continuous vibrations of varying frequencies beyond the threshold of human perception (Dalrymple Henderson 2013: 1-27; Enns and Tower 2013: ...extrasensory vibrations were perceived as conveying a dynamic ...
16
A Review of Human Induced Vibrations on Footbridges
... vertical vibrations and 2.5 Hz for lateral and torsional vibrations, comfort criteria are defined in terms of accelerations without frequency dependence (Eurocode 0, Annex ...
12
Mechanical Vibrations of CANDU Feeder Pipes
... The feeder bend excitation is introduced as a representation of the flow induced vibrations as the heavy water flows through the curved sections of the feeder pipes. The bend forces are applied at the beginning ...
10
Mechanical vibrations of pendant liquid droplets
... the vibrations of microlitre pendant droplets of deuterium oxide, formamide, and ...of vibrations in pendant/sessile drops was used to relate these parameters to the surface tension, density and viscosity ...
15
Characterization of the vibrations and structural noise of a suction unit’s cover
... the vibrations o f a suction unit's cover and the relation with the generated structural ...and structural noise o f the cover: numerical modal analysis made with the F E M (Finite Element Method) ...
9
Electrochemical polymerization and Optical Vibrations of Polyaniline Films
... A close examination of fig.4a, b reveals that the spectra contain all the main characteristics of polyaniline bands i.e. the vibration frequencies of the broad band at 3400 cm -1 fig.4a is attributed to the ...
10
Torsional Vibrations of Coated Hollow Poroelastic Spheres
... In the present analysis, torsional vibrations of coated hollow poroelastic spheres are studied. The dilatations of solid and liquid media are zero, hence the liquid pressure developed in solid-liquid aggregate is ...
9
Modelling ground vibrations induced by harmonic loads
... A finite-element model combining the frequency domain thin-layer method with paraxial boundary conditions to simulate the semi-infinite extent of a soil medium is presented in this paper. The combined numerical model is ...
11
Simulation and experimental study of turbogenerator stator vibrations
... Other calculation models [3] represent the stator end winding as a complex system of connected curved bars. All system bars are assumed to be monolithic and have rigidly sealed ends. Every bar connects to two adjacent ...
8
A Damper of Torsional Vibrations and an Investigation of Its Efficiency
... This paper reviews an original torsional vibration damper retaining its efficiency over a wide disturbing frequency band. Some potential design alternatives are considered. The basic structural ele- ment of the ...
12