Stiffness and Damping
Comparing Semi Active Control of Bridge via Variable Stiffness and Damping Systems and MR Dampers
... variable stiffness concepts have been widely studied for a variety of vibration control ...spring stiffness by using variable damper along with springs connected in series ...the damping force ...
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Stiffness and damping coefficients of magneto hydrodynamics squeeze film characteristics for non Newtonian porous curved circular plates
... The Stiffness and Damping coefficients of squeeze film dynamic characteristics between porous curved circular plates lubricated with an electrically conducting non-Newtonian fluid in the presence of an ...
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Stiffness and Damping Forces in the Intervertebral Joints of Blue Marlin (Makaira Nigricans)
... Results Mechanical properties The means and standard deviations of the intercepts and slopes of the regressions of angular stiffness, k, and damping coefficient, c, onto bending frequenc[r] ...
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The Effect of Damping and Stiffness of Bearing on the Natural Frequencies of Rotor-bearing System
... 11. Jiang, K., Zhu, C., Chen, L. and Qiao, X., "Multi-dof rotor model based measurement of stiffness and damping for active magnetic bearing using multi-frequency excitation", Mechanical Systems and ...
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Stiffness and Damping Model of Bolted Joints with Uneven Surface Contact Pressure Distribution
... a stiffness and damping model based on the uneven surface contact pressure is presented for the bolted joint to accurately predict the dynamic characteristic of a bolted ...tangential stiffness and ...
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THE EFFECT OF STIFFNESS AND DAMPING OF THE SUSPENSION SYSTEM ELEMENTS ON THE OPTIMISATION OF THE VIBRATIONAL BEHAVIOUR OF A BUS
... The results of the analysis presented in this paper enabled us to consider the effects of different spring stiffness and different shock absorber damping on the vibration behaviour of the oscillatory bus ...
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Measurement of Vibrational Stiffness and Air Damping of Damselfly Wings
... vibrational stiffness, natural frequency and mode shapes associated with the ...material damping ratio is about ...the stiffness of the vein by about 20 ...measured stiffness and ...
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Hyper damping properties of a stiff and stable linear oscillator with a negative stiffness element
... negative stiffness element, which can exhibit extraordinary-damping properties, without presenting the drawbacks of the traditional linear os- cillator, or of the ’zero-stiffness’ ...(static) ...
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Design of Variable Stiffness and Variable Damping Vibration Absorber
... Variable Stiffness and variable Damping type vibration absorber to control the vibrations in beam ...Variable Stiffness vibration absorber with variable damping to adapt the change in ...
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Enhancement of wave damping within metamaterials having embedded negative stiffness inclusions
... mass, damping and stiffness matrices of the segment M, C and K are extracted using a conventional FE ...a stiffness equal to κ 0 and a viscous damping element with a coefficient η in the ...
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Linear parameter estimation for multi-degree-of-freedom nonlinear systems using nonlinear output frequency-response functions
... linear stiffness and damping parameters of locally nonlinear MDOF systems has been ...linear stiffness and damping parameters of a nonlinear MDOF system can be estimated using the proposed ...
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Effective linear damping and stiffness coefficients of nonlinear systems for design spectrum based analysis
... An approach has been presented for estimating the peak seismic response of nonlinear systems exposed to excitations specified by a given design spectrum. The proposed approach relies on first determining a power spectrum ...
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Stability analysis of slot-entry hybrid journal bearings operating with non-newtonian lubricant
... For a very small disturbance from equilibrium position, hydrodynamic forces in journal can be regarded as linear functions of displacements and velocity vectors. The equation of disturbed motion of journal can be written ...
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The notochord of hagfish Myxine glutinosa: visco elastic properties and mechanical functions during steady swimming
... vertebral elements (Cole, 1905), (2) they are active undulatory swimmers (Adams, 1960; Martini et al., 1997), bending their notochord dynamically, and (3) they belong to the living sister taxon (Myxiniformes) to ...
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Identification of Linear and Nonlinear Parameters for Systems with Local Non Linearity
... A four-layer shearing system with rubber isolation bearing as shown in Fig.1 is taken as an example to validate the proposed algorithm. The main body of the system with isolation layer is modeled as a 5-DOF system ...
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Hybrid Magnetorheological Elastomer – Fluid for Vibration Isolation
... the damping modulus and dynamic stiffness, the model is compared with passive engine mount using ...dynamic stiffness and damping modulus on MREs showed mere reduction in ...
5
Structural Health Monitoring and Detection of Progressive and Existing Damage using Artificial Neural Networks-Based System Identification
... Another class of health monitoring and damage detection techniques is based on modification of dynamic model parameters (mass, stiffness, and damping matrices) such that the model output closely matches the ...
179
Estimation of Response of 2- DOF RCC Base Isolated Building to Earthquake Loading
... In this section, the effect of important mechanical properties i.e. stiffness and damping of the isolators on the building response is studied. For that, time period of the base isolator is varied from 1.5 ...
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Mathematical Multibody Model of a Soft Mounted Induction Motor Regarding Forced Vibrations Due to Dynamic Rotor Eccentricities Considering Electromagnetic Field Damping
... field damping, stiffness and internal (rotating) damping of the rotor, different kinds of dynamic rotor eccentricity, stiffness and damping of the bearing housings and end shields, ...
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Simulation of Failure in Gearbox Using MSC.Adams
... There are two types of contact that can be modelled between the surfaces of the contacted bodies. The first one is a discontinuous contact such as a falling ball bouncing on the floor. The other one is a continuous ...
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