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Sunday, August 9, 2020 | History

2 edition of static and dynamic analysis of discretely represented moorings and cables by numerical means found in the catalog.

static and dynamic analysis of discretely represented moorings and cables by numerical means

Richard Frank Dominguez

# static and dynamic analysis of discretely represented moorings and cables by numerical means

## by Richard Frank Dominguez

Published in [Corvallis, Ore.] .
Written in English

Subjects:
• Deep-sea moorings.,
• Oceanographic research stations.,
• Cables.

• Edition Notes

The Physical Object ID Numbers Statement by Richard Frank Dominguez. Pagination [15], 143 leaves, bound : Number of Pages 143 Open Library OL14250837M

This paper presents a two-dimensional quasi-static model, which can analyze mooring lines comprising multiple types of mooring lines or chains, taking into account the effects of ocean currents, soil resistance, and elastic elongation of mooring line. An example analysis is carried out to predict the responses of multicomponent mooring line. dynamic analysis for steel floor vibrations • most ﬂoor vibration problems involve: • repeated forces caused by machinery • human activities: • dancing • aerobics • walking • in some cases, the applied force is sinusoidal or similar • in general, a repeated force can be represented by a .

as a de-coupled analysis, meaning that a separate analysis of the oating body motion is carried out initially and with the mooring system simulated as an added sti ness. The motions are subsequently applied to the connection points of the mooring lines and the dynamic cable analysis is carried out. Measurement of Static and Dynamic Performance Characteristics of Electric Propulsion Systems Aron J. Brezina1 and Scott K. Thomas2 Wright State University, Dayton, OH, Today’s unmanned aerial vehicles are being utilized by numerous groups around the world for various missions.

This book is concerned with the static and dynamic analysis of structures. Specifi cally, it uses the stiffness formulated matrix methods for use on computers to tackle some of the fundamental problems facing engineers in structural mechanics. This book is concerned with the static and dynamic analysis of structures. Specifi­ cally, it uses the stiffness formulated matrix methods for use on computers to tackle some of the fundamental problems facing engineers in structural mechanics. This is done by covering the Mechanics of Structures.

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### Static and dynamic analysis of discretely represented moorings and cables by numerical means by Richard Frank Dominguez Download PDF EPUB FB2

The static and dynamic analysis of discretely represented moorings and cables by numerical means The effects of the various parameters are presented and the numerical method is compared to exact solutions obtained from a continuum consideration of a suspended cable.

An extension of the static analysis technique to dynamic analysis, using Cited by: 2. For a safety factor greater thanthe results were considered to be safe for the static case. The dynamic safety factor was found to be Table 6 shows the static and dynamic results for a cyclone environment.

Mooring lines 1, 4, 7, and 10 were all Author: Yu-Ho Rho, Kookhyun Kim, Chul-Hee Jo, Do-Youb Kim. The static and dynamic analysis of discretely represented moorings and cables by numerical means The effects of the various parameters\ud are presented and the numerical method is compared to exact solutions\ud obtained from a continuum consideration of a suspended cable.\ud An extension of the static analysis technique to dynamic analysis.

In the present work, a nonlinear finite-element formulation is proposed and applied to the static and dynamic analysis of mooring cables. Numerical examples are presented, and in particular, a mooring cable typically used for floating offshore wind turbines is analyzed.

Hydrodynamic effects on the cable are accounted for using the Morison by: 3. Title: THE STATIC AND DYNAMIC ANALYSIS OF DISCRETELY REPRESENTED MOORINGS AND CABLES BY NUMERICAL MEANS Abstract approved: Redacted for privacy Robert W.

Fliskier Computer oriented techniques and procedures are presented for the analysis of single and multiple cable systems. Application is made to a two-point mooring system influenced by. Static and Dynamic Analysis of Mooring Lines.

Reduction in the dynamic amplitudes of moored cable systems. Ships and Offshore Structures, Vol. 4, No. A method for analyzing the static response of submerged rope systems based on a finite element method. Fisheries Science, Vol. 68, No. The elastic modulus and deadweight of carbon fiber-reinforced polymer (CFRP) cables are different from those of steel cables.

Thus, the static and dynamic behaviors of cable-stayed bridges using CFRP cables are different from those of cable-stayed bridges using steel cables. The static and dynamic performances of the two kinds of bridges with a span of &#x;m were studied using the.

The structural analysis focuses on the changes occurring in the behavior of a physical structure under observation when provided with a force or in case of structures. Just a few examples of ocean systems that make wide use of cables are the ocean mooring systems, towed array sonar systems and remotely operated vehicles (ROV) shown in Figure 1 static cable.

The procedure for the dynamic analysis is the same as that for the static analysis except that wave loading is added, and the analysis is carried in the time domain, using regular waves based on H max, and for at least 5 wave periods.

The dynamic analysis predicts the maximum LFJ and UFJ angles which should be checked against their limiting values. static and dynamic analysis of mooring lines A general, computationally efficient approach for treating mooring line static and dynamic response problems is presented.

The technique is a form of incremental linearization. This paper introduces a new mathematical model and a matching numerical method based on finite differences, in order to predict the static configuration of mooring or towing compound cables.

This book is concerned with the static and dynamic analysis of structures. Specifi cally, it uses the stiffness formulated matrix methods for use on computers to tackle some of the fundamental problems facing engineers in structural mechanics. This is done by covering the Mechanics of Structures, its rephrasing in terms of the Matrix Methods, and then their Computational implementation, all.

This book is concerned with the static and dynamic analysis of structures. Specifi­ cally, it uses the stiffness formulated matrix methods for use on computers to tackle some of the fundamental problems facing engineers in structural mechanics.

A numerical procedure for determining the nonlinear dynamic response of cable systems is presented in which cable segments may be included as elastic, plastic, or buckled (slack) elements. Individual cable elements in the network are assumed either elastic, plastic, or slack, depending on the time history of load and system response.

This study examined the static and dynamic responses of the underwater axially moving cables to loads of the buckets attached to the cables. In particular, the in-plane deflection of the cable is analyzed through linear analyses. The equations that govern the dynamic response of the cable were solved by adopting the mode expansion method.

The parameter B is related to the compressibility of the fluid; $$\rho _{0} =$$ kg m $$^{-3 }$$ is the reference density, taken as the density of the fluid at the surface, and $$\gamma$$ is the polytrophic constant that usually ranges from 1 to The choice of B plays a key role since it determines the speed of sound.

Using a value corresponding to the real value of the speed of sound. MOORING LINE DYNAMICS: COMPARISON OF TIME DOMAIN, FREQUENCY DOMAIN, AND QUASI-STATIC ANALYSES.

This paper discussed the modelling and verification of frequency and time domain dynamic mooring analysis procedures, their applications and limitations, and compares then with conventional quasi-static mooring analysis. 11 STATIC AND DYNAMIC FORCE ANALYSIS Chapter Outline Introduction Static Force Analysis Static Equilibrium Equilibrium of Members Force Convention Free Body Diagrams Principle - Selection from Theory of Machines [Book].

Dynamic and static model: de–nition Formal dynamic analysis in economics is a relatively new invention. Ragnar Frisch worked intensively with the foundations of the discipline he dubbed macrodynamics in the early s.

His de–nition of dynamics was: A dynamic theory or model is made up of relationships between variables that refer to di. This paper presents a family of finite elements for the nonlinear static and dynamic analysis of cables based on a mixed variational formulation in curvilinear coordinates and finite deformations.

This formulation identifies stress measures, in the form of axial forces, and conjugate deformation measures for the nonlinear catenary problem.

The continuity requirements lead to two distinct.Types of analysis: Linear static, linear dynamic and non linear static Paulo B. Lourenço 10| Graphic Statics The arch is first decomposed in a series of real or fictitious voussoirs separated by a series of planes (the planes do not need to be parallel) The thrust line is .The dynamic response of mooring cables for marine structures is scale-dependent, and perfect dynamic similitude between full-scale prototypes and small-scale physical model tests is difficult to achieve.

The best possible scaling is here sought by means of a specific set of dimensionless parameters, and the model accuracy is also evaluated by two alternative sets of dimensionless .