Computational strategies for flexible multibody systems

TM Wasfy, AK Noor - Appl. Mech. Rev., 2003 - asmedigitalcollection.asme.org
The status and some recent developments in computational modeling of flexible multibody
systems are summarized. Discussion focuses on a number of aspects of flexible multibody …

Review of contemporary approaches for constraint enforcement in multibody systems

OA Bauchau, A Laulusa - 2008 - asmedigitalcollection.asme.org
A hallmark of multibody dynamics is that most formulations involve a number of constraints.
Typically, when redundant generalized coordinates are used, equations of motion are …

Modeling rotorcraft dynamics with finite element multibody procedures

OA Bauchau, CL Bottasso, YG Nikishkov - Mathematical and Computer …, 2001 - Elsevier
This paper describes a multibody dynamics approach to the modeling of rotorcraft systems
and reviews the key aspects of the simulation procedure. The multibody dynamics analysis …

Modeling of joints with clearance in flexible multibody systems

OA Bauchau, J Rodriguez - International Journal of Solids and Structures, 2002 - Elsevier
This paper is concerned with the modeling of joints with clearance within the framework of
finite element based dynamic analysis of nonlinear, flexible multibody systems. For actual …

Computational schemes for flexible, nonlinear multi-body systems

OA Bauchau - Multibody System Dynamics, 1998 - Springer
This paper deals with the development of computational schemes for the dynamic analysis
of flexible, nonlinear multi-body systems. The focus of the investigation is on the derivation of …

Integrating finite rotations

CL Bottasso, M Borri - Computer methods in applied mechanics and …, 1998 - Elsevier
We study the integration of problems of evolution in the rotation group. Instead of attacking
the problem in the nonlinear differential manifold SO (3)(pure rotational dynamics), as is …

Robust integration schemes for flexible multibody systems

OA Bauchau, CL Bottasso, L Trainelli - Computer methods in applied …, 2003 - Elsevier
A framework for the development of robust time integration schemes for nonlinear, flexible
multibody systems is presented. The proposed schemes are designed to meet four specific …

On the design of energy preserving and decaying schemes for flexible, nonlinear multi-body systems

OA Bauchau, CL Bottasso - Computer Methods in Applied Mechanics and …, 1999 - Elsevier
Energy preserving schemes achieve unconditional stability for nonlinear systems by
establishing discrete energy preservation statements. Several schemes have been …

A robust composite time integration scheme for snap-through problems

Y Chandra, Y Zhou, I Stanciulescu, T Eason… - Computational …, 2015 - Springer
A robust time integration scheme for snap-through buckling of shallow arches is proposed.
The algorithm is a composite method that consists of three sub-steps. Numerical damping is …

Energy preserving/decaying schemes for non-linear beam dynamics using the helicoidal approximation

CL Bottasso, M Borri - Computer Methods in Applied Mechanics and …, 1997 - Elsevier
We develop two unconditionally stable displacement based time stepping schemes for the
non-linear dynamic response of beams. The first algorithm guarantees the exact discrete …