2 edition of **Nonlinear dynamic response of cable/lumped-body system by direct integration with suppression** found in the catalog.

Nonlinear dynamic response of cable/lumped-body system by direct integration with suppression

Yang Sun

- 104 Want to read
- 26 Currently reading

Published
**1992** .

Written in

- Cables, Submarine.,
- Hydrodynamics -- Mathematical models.

**Edition Notes**

Statement | by Yang Sun. |

The Physical Object | |
---|---|

Pagination | 114 leaves, bound : |

Number of Pages | 114 |

ID Numbers | |

Open Library | OL15185117M |

@article{osti_, title = {Investigation of the vibration of a blade with friction damper by HBM. [Harmonic Balance Method]}, author = {Wang, J.H. and Chen, W.K.}, abstractNote = {The friction damper has been widely used to reduce the resonant vibration of blades. The most commonly used methods for studying the dynamic behavior of a blade with a friction damper are direct integration methods. () The efficient computation of the nonlinear dynamic response of a foil–air bearing rotor system. Journal of Sound and Vibration , () Attenuation of Solitary Waves and Localization of Breathers in 1D Granular Crystals Visualized via High Speed by: A new twenty-freedom non-linear dynamic model for two-span dissymmetric elastic rotor system was established by considering the crack fault, rub-impact fault and oil film force. The complex motion characteristics of this system were numerically studied and the effect of different parameters on the system is investigated. Moreover, the both cases with and without crack fault were discussed in Cited by: 1. Subsequently, based on this model, the finite element formulation of the MR damper is developed and is incorporated into the finite element formulation of the whole space truss structures with embedded MR dampers. A direct integration method with inner iterative algorithm is applied to obtain the solution of the resulting nonlinear : Aurelio Dominguez, Ramin Sedaghati, Ion Stiharu.

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Graduate Thesis Or Dissertation Nonlinear dynamic response of cable/lumped-body system by direct integration with suppression Public Deposited. Analytics × Add to Author: Yang Sun. Nonlinear dynamic response of cable/lumped-body system by direct integration with suppression.

Download PDF (3 MB) Abstract. Graduation date: Nonlinear Dynamic Analysis Of Cable and Membrane Structures", a thesis submitted to Oregon State University in partial fulfillment of the requirements for the degree of Doctor of. CONCLUSIONS An improved numerical algorithm for the time-domain simulation of the unsteady nonlinear response of a cable/lumped-body system subject to hydrodynamic loadings is developed based on the direct integration method with suppression of extraneous erroneous by: In order to enhance the fidelity, convenient and flexibility of swinging motion, the structure of incompletely restrained cablesuspended system controlled by two drums was proposed, and the dynamic response of the system under swinging and heaving motion were investigated in this paper.

The cables are spatially discretized using the assumed modes method and the system equations of Cited by: 1. Nonlinear Dynamic Response of Cable/Lumped-Body System by Direct Integration with Suppression", ().

Nonlinear Hydrodynamic Response of Curved Singly-Connected Cables", (). Optimization Theory and Applications. Naess, A. and Johnsen, J. Direct Numerical Simulation of the Response Statistics of Nonlinear Dynamic Systems, Proc.

Scandinavian Forum for Stochastic Mechanics, Lund Institute of Technology, Lund, Sweden, August Cited by: The system being simulated represents a mechanical single-degree-of-freedom, damped spring–mass system comprised of a mass m, a viscous damper with coefficient c, and a nonlinear spring.

The stiffness of the spring increases with amplitude as described by Cited by: 5. response. • This method is effective when, in nonlinear analysis, - the response lies in only a few vibration modes (displacement patterns) - the system has only local nonlinearities Transparency The governing equations in implicit time integration are (assuming no damping matrix) MHLltO(k) + TK ~U(k)= HLltR _ HLltF(k-1)Let now T = 0 File Size: 7MB.

Nonlinear dynamic response of rectangular plates plying to various nonlinear problems. The results obtained compare well with existing solutions.

The implicit finite difference method permits the use of a large integration time step which results in a sig- nificant reduction in computer time by: 4.

A new efficient algorithm for direct integration of a classs of non-linear dynamic systems is presented. The systems which can be effectively solved by the proposed algorithm stem usually from spatial discretization of problems in non-linear elasticity and some related fields.

For this sort of equations the algorithm is proven to be unconditionally stable. The global (accumulated) Cited by: 8. NONLINEAR DYNAMIC RESPONSE OF CABLE/LUMPED-BODY SYSTEM BY DIRECT INTEGRATION WITH SUPPRESSION INTRODUCTION Background The Naval Civil Engineering Laboratory (NCEL) as part of its efforts in the Advanced Ocean Ranges (AOR) project has identified several technical problems in the efficient design and installation of cable/lumped body systems.

In this study nonlinear dynamic behaviors of towed tow-tension cables are numerically analysed. In the case of a taut cable analysis, a bending stiffness term is usually neglected due to its minor.

Five nonlinear models, including commonly used simplifications, are used to perform the nonlinear dynamic analysis. Numerical results indicate that the geometric nonlinearities have a significant effect on the dynamic response of sandwich structures. The linear dynamic response coincides with the Nonlinear dynamic response of cable/lumped-body system by direct integration with suppression book one only at the very by: 6.

A support vector machines (SVM)-based two-stage method is proposed to simulate and predict the nonlinear dynamic response of structures. In the first stage, an autoregressive moving average with exogenous input (ARMAX) model is used to represent the acceleration response as the output of a single-input single-output (SISO) system and the least square method is used to estimate Cited by: The dynamic behavior of the simplest possible cable net is studied in this paper, consisting of two crossing cables in perpendicular vertical planes, having the same span and opposite sags.

A concentrated mass is attached at the central node, and only the vertical translational degree of freedom is assumed as active.

First, the static behavior is explored up to the load level that causes Cited by: 9. The method is effective when, in non-linear analysis, the response lies in only a few vibration modes, just the same way as we are applying multiple position also in linear analysis, namely, it's only effective really when a few vibration modes capture the total dynamic response.

The determination of generalized dynamic properties is discussed and illustrated. A simple numerical integration procedure for determining the nonlinear dynamic response is presented.

The application of matrix methods for the analysis of multiple degree of freedom systems is discussed and illustrated along with earthquake response by: 1. On the basis of the V. Stokes micro-continuum theory, the effects of couple stresses on the nonlinear dynamic response of the unbalanced Jeffcott’s flexible rotor supported by layered.

multi-body dynamic systems, nonlinear static response optimization and nonlinear dynamic response optimization [5].

Some researchers have tried to solve non linear static response optimization problems by using conventional techniques which have been used in linear static response File Size: KB.

My question is why can we not implement a similar technique to non-linear systems. I understand that the impulse response of the non-linear system will not be proportional to the magnitude of the input (non-linear systems don't satisfy homogeneity), thus there does not exist a single impulse response that characterizes the entire system.

A nonlinear modal analysis approach based on the invariant manifoldmethod proposed earlier by Boivin et al. [10] is applied in this paperto perform the dynamic analysis of a micro switch. target response spectrum. Third, the structure in question is subjected to a nonlinear dynamic analysis under each of the many records.

Median responses are estimated for all 6 plus 10 16 record sets. The median of each of the arbitrary sets is compared with each of the target sets 6Cited by: Exponential Stability: The origin of x˙ = f(x) is exponentially stable if and only if the linearization of f(x) at the origin is Hurwitz Theorem: Let f(x) be a locally Lipschitz function deﬁned over a domain D ⊂ Rn; 0 ∈ V (x) be a continuously differentiable function such that k1kxka ≤ V (x) ≤ k2kxka V˙ (x) ≤ −k3kxka for all x ∈ D, where k1, k2, k3, and a are positiveFile Size: KB.

A combined modal/finite element analysis technique for the dynamic response of a non-linear beam to harmonic excitation Article in Journal of Sound and Vibration (4) June with. A great similarity exists between curves of nonlinear load/displacement path obtained with the arc-length method, and curves of the frequency response of non-linear dynamic system.

A theoretical model is derived that describes the non-linear dynamic response of an elastic cable about a curved equilibrium configuration (Fig. The planar equilibrium configuration describes a cable which sags between two level supports under the influence of gravity.

The response considered is three-dimensional and arises from small. Dynamic behaviour of a nonlinear plate embedded in a fractional derivative viscoelastic medium and subjected to the conditions of the internal resonances two-to-one has been studied by Rossikhin and Shitikova in [1].

Nonlinear equations, the linear parts of which occur to be coupled, were solved by the method of multiple time scales.

A new approach proposed in this paper allows one to uncouple Cited by: 3. Theoretical and Experimental Modal Analysis is a new book on modal analysis aimed at a wide range of readers, from academics such as post-graduate students and researchers, to engineers in many industries who use modal analysis tools and need to improve their knowledge of the subject.

THE NONLINEAR RESPONSE FUNCTION FOR FOUR-WAVE MIXING We consider a nonlinear medium interacting with a classical external electromagnetic field through the dipolar interac-tion.

The total Hamiltonian of the system is HT = H + Hit (2) Here H is the Hamiltonian for the material system in the absence of the radiation field. Truncated Fourier coefficients of residual vectors of nonlinear algebraic equations are obtained by a frequency mapping-fast Fourier transform procedure, and complex two-dimensional (2D) integration is avoided.

Jacobian matrices are approximated by Broyden's method and resulting nonlinear algebraic equations are by: 4. The purpose of this work is to investigate the control of the oscillations and the suppression of vibrations in damped and coupled oscillators. In this sense, we look into the potential of using a nonlinear energy sink in combination with an optimal linear control for nonlinear system to suppress structure vibrations under an impact by: 7.

Description of the first rheonomic system nonlinear dynamics with friction Starting from basic and very known rheonomic system: A heavy mass particle moving with ideal contact along rotating circle about vertical central axis with constant angular velocity, presented in very known book [1], as well as corresponding models in Refs.

In the case of considering the shear effect and gyroscopic effect, a finite element model is developed to study the nonlinear dynamic behavior of a double-disk isotropic rotor- bearing system with axial rub-impact in this paper.

The influences of rotational speed and initial phase difference on the operation stability of the rotor-bearing system are : Y. Zhang, W.M. Wang, J.F. Yao. () Nonlinear dynamic response of an Euler–Bernoulli beam under a moving mass–spring with large oscillations.

Archive of Applied Mechanics() Human Purkinje in silico model enables mechanistic investigations into automaticity and pro-arrhythmic by: Aimed at advanced and specialist levels, the author presents and illustrates direct integration methods for analyzing the statistics of the response of structures to stochastic loads.

The analysis methods are based on structural models represented via the Finite Element Method. cable/lumped-body deployment system are developed for the design and installation of Office of Naval Research to develop a dynamic response simulation method for cable/lumped-body systems. A FORTRAN program named KBLDYN was developed.

3 by Chiou for modeling the three-dimensional nonlinear dynamic behavior of such systems (Chiou, ). reported which explicitly relates the output frequency response of a general class of nonlinear systems to the parameters of the system time domain model so as to facilitate the extension of the linear frequency domain analysis and design methods to the nonlinear case.

Motivated by the direct map of the linear system time domain. on state observer in [34], and stabilization of nonlinear SISO system [12], all on lin-ear ADRC, there is still no, up to date, rigorous convergence proof for general nonlinear ADRC.

In paper [16], we take the first step toward building a foundation of ADRC by prov. Nonlinear differential items are introduced to interpret MSMA's hysteretic phenomena, and the nonlinear dynamic model of the MSMA gripper in bounded noise and harmonic magnetic fields is developed.

The dynamic response of the system is obtained, and the bifurcation characteristics of the system are by: 2.

Dynamic Analysis of Non-Linear Structures Using Higher Order Frequency ResponseFunctions - problem would be to predict the response of the system, a task which inevitably entails performing some test to identify the system, usually in terms of a mathematical model.

5. Equivalent static loads method for nonlinear dynamic response structural optimization The schematic view of the two domains is presented in Figure 2.

In the analysis domain, nonlinear dynamic response analysis is carried out. Then ESLs are generated. In the design domain, generated ESLs are applied asFile Size: 1MB.Nonlinear Systems and Control Lecture # 22 Normal Form – p.

1/ Relative Degree x˙ = f(x)+g(x)u, y= h(x) dynamics of the system. The system is said to be minimum phase if zero dynamics have an asymptotically stable equilibrium point in the domain of interest (at the origin if. The non-linear equations of strings under a concentrated load were derived.

The formulae of the linear frequency and the governing equation of the primary resonance were obtained by Galerkin and Multiple-dimensioned method. The reason of the loss of load in practical engineering was addressed. The bifurcation graphics and the relationship graphics of bifurcate point with concentrated .