Numerical Methods For Dynamic Substructure Analysis
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Numerical Method for Dynamic Substructure Analysis
Author | : John Martin Dickens |
Publisher | : |
Total Pages | : 386 |
Release | : 1982 |
Genre | : Finite element method |
ISBN | : |
Numerical Method for Dynamic Substructure Analysis
Author | : John Martin Dickens |
Publisher | : |
Total Pages | : 208 |
Release | : 1980 |
Genre | : Structural analysis (Engineering) |
ISBN | : |
Sub-structure Coupling for Dynamic Analysis
Author | : Hector Jensen |
Publisher | : Springer |
Total Pages | : 231 |
Release | : 2019-03-26 |
Genre | : Science |
ISBN | : 3030128199 |
This book combines a model reduction technique with an efficient parametrization scheme for the purpose of solving a class of complex and computationally expensive simulation-based problems involving finite element models. These problems, which have a wide range of important applications in several engineering fields, include reliability analysis, structural dynamic simulation, sensitivity analysis, reliability-based design optimization, Bayesian model validation, uncertainty quantification and propagation, etc. The solution of this type of problems requires a large number of dynamic re-analyses. To cope with this difficulty, a model reduction technique known as substructure coupling for dynamic analysis is considered. While the use of reduced order models alleviates part of the computational effort, their repetitive generation during the simulation processes can be computational expensive due to the substantial computational overhead that arises at the substructure level. In this regard, an efficient finite element model parametrization scheme is considered. When the division of the structural model is guided by such a parametrization scheme, the generation of a small number of reduced order models is sufficient to run the large number of dynamic re-analyses. Thus, a drastic reduction in computational effort is achieved without compromising the accuracy of the results. The capabilities of the developed procedures are demonstrated in a number of simulation-based problems involving uncertainty.
Dynamic Stiffness and Substructures
Author | : Andrew Y.T. Leung |
Publisher | : Springer Science & Business Media |
Total Pages | : 248 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 1447120264 |
Dynamic Stiffness and Substructures models a complex dynamic system and offers a solution to the advanced dynamical problem associated with the effects of wind and earthquakes on structures. Since the system matrices are inevitably frequency dependant, those are exclusively considered in this publication. The relation between the frequency matrices by the Leung's theorem is most important in the development of efficient algorithms for the natural modes. This new approach was developed by the author over the past 15 years. It offers practising engineers and researchers a wide choice for structural modelling and analysis. Abundant numerical examples enable the reader to understand the theorem and to apply the methods.
Sub-structure Coupling for Dynamic Analysis
Author | : Hector Jensen |
Publisher | : |
Total Pages | : |
Release | : 2019 |
Genre | : Electronic books |
ISBN | : 9783030128203 |
This book combines a model reduction technique with an efficient parametrization scheme for the purpose of solving a class of complex and computationally expensive simulation-based problems involving finite element models. These problems, which have a wide range of important applications in several engineering fields, include reliability analysis, structural dynamic simulation, sensitivity analysis, reliability-based design optimization, Bayesian model validation, uncertainty quantification and propagation, etc. The solution of this type of problems requires a large number of dynamic re-analyses. To cope with this difficulty, a model reduction technique known as substructure coupling for dynamic analysis is considered. While the use of reduced order models alleviates part of the computational effort, their repetitive generation during the simulation processes can be computational expensive due to the substantial computational overhead that arises at the substructure level. In this regard, an efficient finite element model parametrization scheme is considered. When the division of the structural model is guided by such a parametrization scheme, the generation of a small number of reduced order models is sufficient to run the large number of dynamic re-analyses. Thus, a drastic reduction in computational effort is achieved without compromising the accuracy of the results. The capabilities of the developed procedures are demonstrated in a number of simulation-based problems involving uncertainty.
Transient/Dynamic Analysis and Constitutive Laws for Engineering Materials
Author | : G.N. Pande |
Publisher | : Springer |
Total Pages | : 824 |
Release | : 1987-07-31 |
Genre | : Mathematics |
ISBN | : |
Proceedings of the International Conference on Numerical Methods in Engineering: Theory and Applications, NUMETA '87, 6-10 July, 1987; Volume 2
Dynamic Stiffness and Substructures
Author | : Andrew Y.T. Leung |
Publisher | : Springer |
Total Pages | : 242 |
Release | : 1993-10-20 |
Genre | : Technology & Engineering |
ISBN | : 9783540198079 |
Dynamic Stiffness and Substructures models a complex dynamic system and offers a solution to the advanced dynamical problem associated with the effects of wind and earthquakes on structures. Since the system matrices are inevitably frequency dependant, those are exclusively considered in this publication. The relation between the frequency matrices by the Leung's theorem is most important in the development of efficient algorithms for the natural modes. This new approach was developed by the author over the past 15 years. It offers practising engineers and researchers a wide choice for structural modelling and analysis. Abundant numerical examples enable the reader to understand the theorem and to apply the methods.
Substructuring in Engineering Dynamics
Author | : Matthew S. Allen |
Publisher | : Springer |
Total Pages | : 277 |
Release | : 2019-08-01 |
Genre | : Technology & Engineering |
ISBN | : 3030255328 |
This book reviews the most common state-of-the art methods for substructuring and model reduction and presents a framework that encompasses most method, highlighting their similarities and differences. For example, popular methods such as Component Mode Synthesis, Hurty/Craig-Bampton, and the Rubin methods, which are popular within finite element software, are reviewed. Similarly, experimental-to-analytical substructuring methods such as impedance/frequency response based substructuring, modal substructuring and the transmission simulator method are presented. The overarching mathematical concepts are reviewed, as well as practical details needed to implement the methods. Various examples are presented to elucidate the methods, ranging from academic examples such as spring-mass systems, which serve to clarify the concepts, to real industrial case studies involving automotive and aerospace structures. The wealth of examples presented reveal both the potential and limitations of the methods.