Control of pull-in dynamics in a nonlinear thermoelastic electrically actuated microbeam

S Lenci, G Rega - Journal of Micromechanics and …, 2006 - iopscience.iop.org
This work deals with the problem of controlling the nonlinear dynamics, in general, and the
dynamic pull-in, in particular, of an electrically actuated microbeam. A single-well softening …

Nonlinear dynamics of vibrating MEMS

F Braghin, F Resta, E Leo, G Spinola - Sensors and Actuators A: Physical, 2007 - Elsevier
Let us consider a MEMS translational gyroscope. When significantly displacing the proof
mass, the nonlinear hardening characteristic of the supporting beams becomes visible …

[HTML][HTML] Three-dimensional nonlinear dynamics of slender structures: Cosserat rod element approach

DQ Cao, D Liu, CHT Wang - International Journal of Solids and Structures, 2006 - Elsevier
In this paper, the modelling strategy of a Cosserat rod element (CRE) is addressed
systematically for three-dimensional dynamical analysis of slender structures. We employ …

Cosserat modeling for deformation configuration of shape memory alloy unimorph actuators

S Kennedy, N Vlajic, E Perkins - Journal of Intelligent …, 2023 - journals.sagepub.com
Shape memory alloys (SMAs) can contract their length via a crystalline phase transition that
is dependent upon their temperature and stress state. SMAs have been used as linear micro …

Nonlinear dynamic modelling for MEMS components via the Cosserat rod element approach

DQ Cao, D Liu, CHT Wang - Journal of Micromechanics and …, 2005 - iopscience.iop.org
The nonlinear modelling strategy and simulation of flexible components in micro-electro-
mechanical structures are addressed in this paper. A newly developed Cosserat rod …

Hybrid dynamical modeling of shape memory alloy actuators with phase kinetic equations

S Kennedy, N Vlajic, E Perkins - Journal of Intelligent …, 2024 - journals.sagepub.com
Shape memory alloy morphing actuators are a type of composite soft actuator with many
attractive properties such as large deformation, small form factor, self-sensing ability, and …

A Cosserat rod model with microstructure

T Gould, DA Burton - New Journal of Physics, 2006 - iopscience.iop.org
A novel continuum mechanical model of long, flexible, hollow tubes is developed using the
Cosserat theory of rods and used to study the mechanics of carbon nanotubes. By …

Interactive multi-modal suturing

S Payandeh, F Shi - Virtual reality, 2010 - Springer
We present a mechanics-based interactive multi-modal environment designed as part of a
serious gaming platform. The specific objectives are to teach basic suturing and knotting …

[HTML][HTML] Finite element formulation of slender structures with shear deformation based on the Cosserat theory

D Liu, DQ Cao, R Rosing, CHT Wang… - International Journal of …, 2007 - Elsevier
This paper addresses the derivation of finite element modelling for nonlinear dynamics of
Cosserat rods with general deformation of flexure, extension, torsion, and shear. A deformed …

Real-time knotting and unkotting

HF Shi, S Payandeh - Proceedings 2007 IEEE International …, 2007 - ieeexplore.ieee.org
Suturing simulations, of which real-time knotting and unknotting are the most challenge
parts, are essential to today's surgical training systems. In this paper, we present a physics …