Structure-preserving Integrators in ...
Betsch, Peter.

 

  • Structure-preserving Integrators in nonlinear structural dynamics and flexible multibody dynamics[electronic resource] /
  • 紀錄類型: 書目-語言資料,印刷品 : Monograph/item
    杜威分類號: 624.171
    書名/作者: Structure-preserving Integrators in nonlinear structural dynamics and flexible multibody dynamics/ edited by Peter Betsch.
    其他作者: Betsch, Peter.
    出版者: Cham : : Springer International Publishing :, 2016.
    面頁冊數: vii, 291 p. : : ill. (some col.), digital ;; 24 cm.
    Contained By: Springer eBooks
    標題: Structural dynamics
    標題: Nonlinear theories
    標題: Multibody systems - Congresses.
    標題: Engineering.
    標題: Theoretical and Applied Mechanics.
    標題: Nonlinear Dynamics.
    ISBN: 9783319318790
    ISBN: 9783319318776
    內容註: High Frequency Dissipative Integration Schemes for Linear and Nonlinear Elastodynamics -- Energy-Momentum Integrators for Elastic Cosserat Points, Rigid Bodies, and Multibody Systems -- A Lie Algebra Approach to Lie Group Time Integration of Constrained Systems -- The Absolute Nodal Coordinate Formulation -- A Brief Introduction to Variational Integrators.
    摘要、提要註: This book focuses on structure-preserving numerical methods for flexible multibody dynamics, including nonlinear elastodynamics and geometrically exact models for beams and shells. It also deals with the newly emerging class of variational integrators as well as Lie-group integrators. It discusses two alternative approaches to the discretization in space of nonlinear beams and shells. Firstly, geometrically exact formulations, which are typically used in the finite element community and, secondly, the absolute nodal coordinate formulation, which is popular in the multibody dynamics community. Concerning the discretization in time, the energy-momentum method and its energy-decaying variants are discussed. It also addresses a number of issues that have arisen in the wake of the structure-preserving discretization in space. Among them are the parameterization of finite rotations, the incorporation of algebraic constraints and the computer implementation of the various numerical methods. The practical application of structure-preserving methods is illustrated by a number of examples dealing with, among others, nonlinear beams and shells, large deformation problems, long-term simulations and coupled thermo-mechanical multibody systems. In addition it links novel time integration methods to frequently used methods in industrial multibody system simulation.
    電子資源: http://dx.doi.org/10.1007/978-3-319-31879-0
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