Results 31 to 40 of about 6,090,161 (297)

An analysis of human motor control during bipedal walking with passive knee orthoses

open access: yesNihon Kikai Gakkai ronbunshu, 2016
The muscle-tendon units of human beings are helpful for minimizing the energy costs during walking. Therefore, proper use of characteristics of these units is effective for walking support and performance improvement.
Ippei KAMADA   +3 more
doaj   +1 more source

Granular Crystals: Controlling Mechanical Energy with Nonlinearity and Discreteness [PDF]

open access: yes, 2011
The presence of structural discreteness and periodicity can affect the propagation of phonons, sound, and other mechanical waves. A fundamental property of many of the periodic structures and materials designed for this purpose is the presence of ...
Boechler, Nicholas Sebastian
core   +1 more source

Determination of Elastic Parameters of Lipid Membranes with Molecular Dynamics: A Review of Approaches and Theoretical Aspects

open access: yesMembranes, 2022
Lipid membranes are abundant in living organisms, where they constitute a surrounding shell for cells and their organelles. There are many circumstances in which the deformations of lipid membranes are involved in living cells: fusion and fission ...
Konstantin V. Pinigin
doaj   +1 more source

Influence of Humidity on the Energy of Specific Strain in the Process of Loading Sedimentary Rocks

open access: yesStudia Geotechnica et Mechanica, 2019
This article presents the results of tests on the energy properties of sedimentary rocks in the Upper Silesian Coal Basin. The rocks were tested both in an air-dry state and in a water saturation state.
Bukowska Mirosława, Smolorz Anna
doaj   +1 more source

Recommendations concerning energy information model documentation, public access, and evaluation [PDF]

open access: yes, 1979
In this study we provide an analysis of the factors underlying Congressional concern regarding model documentation, policies for public access, and evaluation procedures of the Energy Information Administration (EIA) and its predecessor agencies; we also
Wood, D.O.   +3 more
core   +1 more source

Estimating the rockburst hazard of hard rocks based on laboratory test results

open access: yesVestnik MGTU, 2019
The relevance of the problem under study is based on the fact that dynamic fractures of mine workings occur in rock masses when developing mineral deposits. Safety assurance of mining depends on the awareness of proneness of various rock types to brittle
Kozyrev A. A.   +3 more
doaj   +1 more source

Energy Propagation in a Cauchy Elastic Material [PDF]

open access: yesQuarterly of Applied Mathematics, 1972
It has been shown by Schouten [1] that in an anisotropic homogeneous elastic material subjected to infinitesimal deformations the energy propagation vector is necessarily normal to the slowness surface. It can be readily shown (see, for example, [2]) that the bicharacteristics are also normal to the slowness surface.
Hayes, M. A., Rivlin, R. S.
openaire   +1 more source

A Blueprint for Ocean Energy Development 2010-2015 [PDF]

open access: yes
In an effort to foster a collaborative approach to advancing the ocean energy industry, OWET convened the OWET 2010 Developersʼ Summit on September 27 and 28, 2010 in Portland, Oregon.
Oregon Wave Energy Trust
core   +6 more sources

Research on effect of CO2 microbubbles on oil film in pores

open access: yesYouqi dizhi yu caishoulu
The oil displacement technology of the water and gas dispersion system is a new enhanced oil recovery technology developed for low-permeability oilfields with low recoveries, which has obviously increased oil production in Changqing Oilfield.
ZHANG Moxi   +4 more
doaj   +1 more source

Variation of Elastic Energy Shows Reliable Signal of Upcoming Catastrophic Failure

open access: yesFrontiers in Physics, 2019
We consider the Equal-Load-Sharing Fiber Bundle Model as a model for composite materials under stress and derive elastic energy and damage energy as a function of strain.
Srutarshi Pradhan   +2 more
doaj   +1 more source

Home - About - Disclaimer - Privacy