Rotorcraft stability analysis using Lyapunov characteristic exponents estimated from multibody dynamics
Sign Up to like & getrecommendations! Published in 2024 at "CEAS Aeronautical Journal"
DOI: 10.1007/s13272-024-00724-y
Abstract: Stability analysis of complex, nonlinear dynamical systems is a challenge. The use of Lyapunov Characteristic Exponents through a Jacobian-less method is proposed as a means to identify the Maximum Lyapunov Characteristic Exponent, namely the fundamental… read more here.
Keywords: multibody dynamics; stability; stability analysis; lyapunov characteristic ... See more keywords
A catching-up algorithm for multibody dynamics with impacts and dry friction
Sign Up to like & getrecommendations! Published in 2018 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2018.01.054
Abstract: Abstract In the beginning of the 80s, a rigorous mathematical framework was developed for the dynamics of multibody systems with perfect unilateral contacts, particularly due to the contributions of Schatzman and Moreau. Efficient numerical methods… read more here.
Keywords: catching algorithm; multibody; multibody dynamics; impacts dry ... See more keywords
Prediction of Cervical Spinal Joint Loading and Secondary Motion Using a Musculoskeletal Multibody Dynamics Model Via Force-Dependent Kinematics Approach
Sign Up to like & getrecommendations! Published in 2017 at "SPINE"
DOI: 10.1097/brs.0000000000002176
Abstract: Study Design. A cervical spine biomechanical investigation using multibody dynamics. Objective. To develop a comprehensive cervical spine multibody dynamics model incorporated with the force-dependent kinematics (FDK) approach, and to study the influence of soft tissue… read more here.
Keywords: joint loading; kinematics; multibody dynamics; spine ... See more keywords
Geometric algebra for multibody dynamics. Part II: Applications
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Computational and Nonlinear Dynamics"
DOI: 10.1115/1.4067156
Abstract: In a companion paper, the fundamentals of vector space geometric algebra and plane-based geometric algebra were developed. Plane-based geometric algebra was found to be well suited for describing the kinematics of multibody dynamics: all required… read more here.
Keywords: multibody dynamics; plane based; algebra; based geometric ... See more keywords
Instantaneous impulses in multibody dynamics
Sign Up to like & getrecommendations! Published in 2017 at "Mathematics and Mechanics of Solids"
DOI: 10.1177/1081286515598825
Abstract: This paper considers instantaneous impulses in multibody dynamics. Instantaneous impulses may act on the multibody from its exterior or they may appear in its interior as a consequence of two of its parts interacting by… read more here.
Keywords: dynamics instantaneous; impact; multibody; instantaneous impulses ... See more keywords
Multibody Dynamics Simulation of Upper Extremity Rehabilitation Exoskeleton During Task-Oriented Exercises
Sign Up to like & getrecommendations! Published in 2025 at "Actuators"
DOI: 10.3390/act14090426
Abstract: Population aging intensifies the demand for rehabilitation services, which are already suffering from staff shortages. In response to this challenge, the implementation of new technologies in physiotherapy is needed. For such a task, rehabilitation exoskeletons… read more here.
Keywords: task; methodology; multibody dynamics; rehabilitation ... See more keywords