Numerical methods for the inverse dynamics simulation of underactuated mechanical systems
Numerical methods for the inverse dynamics simulation of underactuated mechanical systems

Author: Yang, Yinping

Publisher: KIT Scientific Publishing

Published: 2017-05-02

Total Pages: 256

ISBN-13: 3731506262

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The present work deals with the inverse dynamics simulation of underactuated multibody systems. In particular, the study focuses on solving trajectory tracking control problems of differentially flat underactuated systems. The use of servo constraints provides an approach to formulate trajectory tracking control problems of underacutated systems, which are also called underactuated servo constraint problems.

Numerical Methods for the Inverse Dynamics Simulation of Underactuated Mechanical Systems
Numerical Methods for the Inverse Dynamics Simulation of Underactuated Mechanical Systems

Author: Yinping Yang

Publisher:

Published: 2020-10-09

Total Pages: 250

ISBN-13: 9781013282683

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The present work deals with the inverse dynamics simulation of underactuated multibody systems. In particular, the study focuses on solving trajectory tracking control problems of differentially flat underactuated systems. The use of servo constraints provides an approach to formulate trajectory tracking control problems of underacutated systems, which are also called underactuated servo constraint problems. This work was published by Saint Philip Street Press pursuant to a Creative Commons license permitting commercial use. All rights not granted by the work's license are retained by the author or authors.

Inverse dynamics of underactuated flexible mechanical systems governed by quasi-linear hyperbolic partial differential equations
Inverse dynamics of underactuated flexible mechanical systems governed by quasi-linear hyperbolic partial differential equations

Author: Ströhle, Timo

Publisher: KIT Scientific Publishing

Published: 2024-02-26

Total Pages: 174

ISBN-13: 3731513366

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This work is about the inverse dynamics of underactuated flexible mechanical systems governed by quasi-linear hyperbolic partial differential equations subjected to time-varying Dirichlet boundary conditions that are enforced by unknown, spatially disjunct, hence non-collocated Neumann boundary conditions.

Practical Design of Ships and Other Floating Structures
Practical Design of Ships and Other Floating Structures

Author: Tetsuo Okada

Publisher: Springer Nature

Published: 2020-10-03

Total Pages: 767

ISBN-13: 9811546800

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This book gathers the peer-reviewed proceedings of the 14th International Symposium, PRADS 2019, held in Yokohama, Japan, in September 2019. It brings together naval architects, engineers, academic researchers and professionals who are involved in ships and other floating structures to share the latest research advances in the field. The contents cover a broad range of topics, including design synthesis for ships and floating systems, production, hydrodynamics, and structures and materials. Reflecting the latest advances, the book will be of interest to researchers and practitioners alike.

Thermodynamically consistent space-time discretization of non-isothermal mechanical systems in the framework of GENERIC
Thermodynamically consistent space-time discretization of non-isothermal mechanical systems in the framework of GENERIC

Author: Schiebl, Mark Georg

Publisher: KIT Scientific Publishing

Published: 2022-01-18

Total Pages: 238

ISBN-13: 3731511177

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The present work addresses the design of structure-preserving numerical methods that emanate from the general equation for non-equilibrium reversible-irreversible coupling (GENERIC) formalism. Novel energy-momentum (EM) consistent time-stepping schemes in the realm of molecular dynamics are proposed. Moreover, the GENERIC-based structure-preserving numerical methods are extended to the context of large-strain thermoelasticity and thermo-viscoelasticity.

Multi-field modeling and simulation of fiber-reinforced polymers
Multi-field modeling and simulation of fiber-reinforced polymers

Author: Schulte, Jonathan

Publisher: KIT Scientific Publishing

Published: 2023-03-27

Total Pages: 176

ISBN-13: 3731512513

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This work proposes a new numerical approach for analyzing the behavior of fiber-reinforced materials, which have gained popularity in various applications. The approach combines theories and methods to model the fracture behavior of the polymeric matrix and the embedded fibers separately, and includes a modified plasticity model that considers the temperature-dependent growth of voids. Tests are conducted to explore different types and sequences of failure in long fiber-reinforced polymers.

EAS Elements for Solid Mechanics - Mesh Distortion Insensitive and Hourglassing-Free Formulations with Increased Robustness
EAS Elements for Solid Mechanics - Mesh Distortion Insensitive and Hourglassing-Free Formulations with Increased Robustness

Author: Pfefferkorn, Robin

Publisher: KIT Scientific Publishing

Published: 2023-04-04

Total Pages: 218

ISBN-13: 3731512718

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Proposed in the early 1990s, the enhanced assumed strain (EAS) method is one of the probably most successful mixed finite element methods for solid mechanics. This cumulative dissertation gives a comprehensive overview of previous publications on that method and covers recent improvements for EAS elements. In particular, we describe three key issues of standard EAS elements and develop corresponding solutions.

Characterisation and modelling of PC/ABS blends
Characterisation and modelling of PC/ABS blends

Author: Hund, Jonas

Publisher: KIT Scientific Publishing

Published: 2022-05-02

Total Pages: 238

ISBN-13: 3731511576

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The present work deals with the characterisation and multi-scale modelling of the large-strain response of ternary polymer blends. In a homogenised constitutive modelling approach, particularly the deformation behaviour featuring plastic dilatancy is investigated. Concerning the micromechanical modelling, constitutive models are proposed for the blends' individual phases and compared regarding their capabilities to capture the composition-dependent fracture toughness in unit cell models.

Multibody Dynamics
Multibody Dynamics

Author: Josep M. Font-Llagunes

Publisher: Springer

Published: 2016-04-12

Total Pages: 323

ISBN-13: 3319306146

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This book includes selected papers from the ECCOMAS Thematic Conference on Multibody Dynamics, that took place in Barcelona, Spain, from June 29 to July 2, 2015. By having its origin in analytical and continuum mechanics, as well as in computer science and applied mathematics, multibody dynamics provides a basis for analysis and virtual prototyping of innovative applications in many fields of contemporary engineering. With the utilization of computational models and algorithms that classically belonged to different fields of applied science, multibody dynamics delivers reliable simulation platforms for diverse highly-developed industrial products such as vehicle and railway systems, aeronautical and space vehicles, robotic manipulators, smart structures, biomechanical systems, and nanotechnologies.