Results 81 to 90 of about 6,899,149 (291)

Micromechanical modeling if the interactions between the microstructure and the dissipative deformation mechanisms in steels under cyclic loading [PDF]

open access: yes, 2012
La version éditeur de cette publication est disponible à l'adresse suivante : http://www.sciencedirect.com/science/article/pii/S074964191100194XA micromechanical model is proposed to describe the interactions between the microstructure and the ...
WEBER, Bastien   +9 more
core   +1 more source

Historical Foundation and Practical Guideline for Ferroelectric Switching Kinetic Studies

open access: yesAdvanced Functional Materials, EarlyView.
The P and U pulses in the conventional PUND measurements are not identical because of the interplay between switching current and the measurement circuit components. This circuit effect can lead to a shift in polarization transients and misinterpreted physics in the switching kinetics.
Yi Liang, Pat Kezer, John T. Heron
wiley   +1 more source

Phyllotaxis as a dissipative structure

open access: yesMathematical Modelling, 1987
AbstractThe phyllotaxis pattern formation problem is treated in terms of a morphogen concentration field established by the leaves, which act as sources spaced by a constant divergence angle Δθ. The morphogen molecules are created, diffuse, and are destroyed, and these processes are modeled via a morphogen reaction-diffusion PDE.
openaire   +1 more source

Towards global models near homoclinic tangencies of dissipative diffeomorphisms [PDF]

open access: yes, 1998
A representative model of a return map near homoclinic bifurcation is studied. This model is the so-called fattened Arnold map, a diffeomorphism of the annulus. The dynamics is extremely rich, involving periodicity, quasiperiodicity and chaos. The method
Broer, H; id_orcid   +6 more
core   +2 more sources

Advances in Sustainable and Wearable Textile Based Soft Robotics

open access: yesAdvanced Functional Materials, EarlyView.
This Review examines advances in wearable textile‐based soft robotics, focusing on sustainable materials, integrated sensing, and scalable actuation. It discusses manufacturing and system integration across healthcare, assistive robotics, prosthetics, and human–machine interfaces, and highlights key challenges in circular design, including life‐cycle ...
Zahir Abbas   +6 more
wiley   +1 more source

Metriplectic structure, Leibniz dynamics and dissipative systems [PDF]

open access: yes, 2007
A metriplectic (or Leibniz) structure on a smooth manifold is a pair of skew-symmetric Poisson tensor P and symmetric metric tensor G. The dynamical system defined by the metriplectic structure can be expressed in terms of Leibniz bracket. This structure
Guha, P., Guha, Partha
core   +1 more source

Structure‐Guided Dynamical Mechanics in Bioinspired Double Twisted Laminated Thin Films

open access: yesAdvanced Functional Materials, EarlyView.
This work explores a dynamic mechanistic study of crack propagation and puncture testing via real‐time monitoring of crack initiation, propagation, and termination through nature‐inspired single and double twisted architectures fabricated from cellulose nanocrystals.
Justin Brackenridge   +4 more
wiley   +1 more source

Dissipative stability theory for linear repetitive processes with application in iterative learning control [PDF]

open access: yes, 2009
This paper develops a new set of necessary and sufficient conditions for the stability of linear repetitive processes, based on a dissipative setting for analysis.
Steinbuch, M Maarten   +12 more
core   +2 more sources

Experimental assessment of the static stiffness of machine parts and structures by changing the magnitude of the hysteresis as a function of loading

open access: yesOpen Engineering, 2019
Static stiffness is determined by one-sided loading and unloading of machine parts relative to the selected base. For each structure, there will be some loss of potential energy due to the dissipative forces that occur during the loading inside the ...
Stejskal Tomas   +3 more
doaj   +1 more source

Self-Sustained Laser Pulsation in Active Optomechanical Devices

open access: yesIEEE Photonics Journal, 2018
We developed a model for an active optomechanical cavity embedding a semiconductor optical gain medium in the presence of dispersive and dissipative optomechanical couplings. Radiation pressure drives the mechanical oscillation and the back-action occurs
Debora Princepe   +3 more
doaj   +1 more source

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