3 edition of **Modeling dynamically coupled fluid-duct systems with finite line elements** found in the catalog.

Modeling dynamically coupled fluid-duct systems with finite line elements

J. B. Saxon

- 184 Want to read
- 25 Currently reading

Published
**1994**
by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va
.

Written in English

- Finite element method.,
- Piping.

**Edition Notes**

Other titles | Modeling dynamically coupled fluid duct systems with finite line elements. |

Statement | by J.B. Saxon. |

Series | [NASA contractor report] -- NASA CR-193909. |

Contributions | United States. National Aeronautics and Space Administration. |

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

Format | Microform |

Pagination | 1 v. |

ID Numbers | |

Open Library | OL14704367M |

Chapters are devoted to special topics and extensions of the coupled problem theory and numerical methodology: fractured reservoirs, heat flow, drying processes, creep manifestations, structural interactions, parameter identification, dynamic and finite strain analysis. So, we'll make a start today, more Friday on one-dimensional finite elements and then, a couple of weeks later will be the real thing, 2-D and 3-D. Read Book Finite Element Analysis Gokhale Finite element method course lecture 0 part I 22 Nov finite element in 1D This is the second lecture in a course on the finite element method given.

Physical Laws for Model Formulation. Kinematic and Dynamic L aws • Identifying and Representing Mechatronics applications are distinguished by controlled motion of mechanical systems coupled to and provides a consistent way to connect system elements together. In modeling energetic systems, energy continuity serves as a basis to. What Is SD? Introduction to System Dynamics* Summary: Overview System Dynamics is a computer-aided approach to policy analysis and design. It applies to dynamic problems arising in complex social, managerial, economic, or ecological systems—literally any dynamic systems characterized by interdependence, mutual interaction, information feedback, and circular causality.

The coupled lateral and torsional motions are significant for the herringbone gear in high-speed applications. The present work attempts to investigate the influences of damping, eccentric mass and time varying mesh stiffness of gear pair on the modal vibration of a herringbone gear pair. Under high-speed condition, the gyroscopic performance as a result of coupled lateral and torsional. On Finite Element Analysis of Fluid Flows Fully Coupled with Structural Interactions S. Rugonyi, K. J. Bathe1 Abstract: The solution of ﬂuid ﬂows, modeled using the Navier-Stokes or Euler equations, fully coupled with structures/solids is considered. Simultaneous and parti-tioned solution procedures, used in the solution of the.

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Get this from a library. Modeling dynamically coupled fluid-duct systems with finite line elements. [J B Saxon; United States. National Aeronautics and Space Administration.]. Modeling Dynamically Coupled Fluid-Duct Systems with Finite Line Elements J.B. Saxon Rockwell International, Space Systems Division Huntsville, Alabama Abstract Structural analysis of piping systems, especially dynamic analysis, typically considers Modeling dynamically coupled fluid-duct systems with finite line elements book duct structure and the contained fluid column separately.

Coupling. Modeling dynamically coupled fluid-duct systems with finite line elements. Methods for modeling the two coupled components simultaneously using finite line elements are presented.

Techniques for general duct intersections, area or direction changes, long radius bends, hydraulic losses, and hydraulic impedances are discussed. Author: J. Saxon. Coupled finite element-wave-based approach in steady-state structural acoustics B.

van Hal *, W. Desmet, D. Vandepitte, P. Sas Department of Mechanical Engineering, Katholieke Universiteit Leuven, Celestijnenlaan B, Heverlee B, Belgium Abstract The steady-state dynamic analysis of coupled structural-acoustic systems is by: 1.

Details of the model developed for this investigation are presented with a focus on the simultaneous solution of the Reynolds equation, load balance, and the coupling of the solid abaqus fe with the finite-difference fluid (Reynolds) model.

The coupled FSI model developed for this investigation provides the critical venue needed to investigate Author: Wyatt Peterson, Thomas Russell, Farshid Sadeghi, Michael Tekletsion Berhan. The finite element semi-discretized coupled equations are integrated in time using either a sequential predictor-multicorrector or a fully coupled algorithm.

The finite element discretizations of the dynamical equations for the structure and fluid in the presence of the other and the two time integration techniques are discussed below.

1 Introduction to the equations of fluid dynamics and the finite element approximation General remarks and classification of fluid dynamics problems discussed in this book The governing equations of fluid dynamics Inviscid, incompressible flow Incompressible (or nearly incompressible) flows Numerical solutions: weak forms, weighted residual and finite element.

Volume 1: The Basis is intended as a broad overview of the Finite Element Method. Aimed at undergraduates, postgraduates and professional engineers, it provides a complete introduction to the method. Volume 2 and Volume 3 of the Finite Element Method cover non-linear solid and structural mechanics and fluid dynamics respectively.

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In commenting on hydraulic power systems, Woods and Lawrence (Modeling and Simulation of Dynamic Systems, Prentice Hall, ) state: The primary elements in fluid systems are resistance, capacitance and intertance, which are analogous to electrical we follow the dotted line into the pipe, and along the pipe back into the air.

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The elements are based on a displacement formulation in terms of the displacement degrees‐of‐freedom at the nodes of the element. Table of contents iv Advanced Nonlinear Solution Theory and Modeling Guide Selection of elements for analysis of thin and thick shells. 69 3D-shell. Physical Modeling - Mechanical K.

Craig 22 • Real Dampers – A damper element is used to model a device designed into a system (e.g., automotive shock absorbers) or for unavoidable parasitic effects (e.g., air drag). – To be an energy-dissipating effect, a device must exert a force opposite to the velocity.

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Bathe: Numerical methods in finite element analysis, Prentice-Hall (). Thomas J.R. Hughes: The Finite Element Method: Linear Static and Dynamic Finite Element Analysis, Prentice-Hall ().

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modeling the system is to derive the elements of the matrices, and to write the system model in the form: x˙ = Ax + Bu state equation Eq. (9) y = Cx + Du output equation Eq. (10) The matrices A and B are properties of the system and are determined by the system structure and elements.

The output equation matrices C and D are determined by the.While the previous page (System Elements) introduced the fundamental elements of translating mechanical systems, as well as their mathematical models, no actual systems were discussed. This page discusses how the system elements can be included in larger systems, and how a system model can be developed.Finite Element Method User Guide.

Solving Partial Differential Equations with Finite Elements Model Order Reduction of Transient PDEs with Stationary Coefficients and Stationary Boundary Conditions Transient PDEs with Integral Coefficients. Coupled PDEs. Deformation of a Beam under Load A Swinging Beam — Transient Coupled PDEs A.