Results 11 to 20 of about 5,802,132 (307)

Numerical Approach to Optimize the Dynamic Behaviour of Structures Considering Structural Durability

open access: yesVibration, 2023
In the design of lightweight structures, both the dynamics and durability must be taken into account. In this paper, a methodology for the combined optimization of structural dynamics, lightweight design, and lifetime with discrete vibration engineering ...
William Kaal   +3 more
doaj   +1 more source

ON THE STRUCTURE OF PRESSURE SYSTEMS [PDF]

open access: yesMonthly Weather Review, 1965
Abstract The three-dimensional distribution of vertical velocity and “isobaric” velocity divergence are numerically evaluated for a number of synoptic situations using Northern Hemisphere data at 1000, 850, 700, 500, and 300 mb. The results indicate that in the typical migratory nondeveloping cyclone only moderate values of divergence exist both in the
Alden, Robert F.   +2 more
openaire   +2 more sources

Patent foramen ovale closure with vena cava thrombus: You need an arm and a neck!

open access: yesClinical Case Reports, 2021
In patients with challenging femoral vein anatomy, transcatheter patent foramen ovale (PFO) closure can be safely and effectively be done through the jugular veins guided by ICE from the arm.
Mohammed Qintar   +7 more
doaj   +1 more source

Phosphorus-Containing Flame Retardants from Biobased Chemicals and Their Application in Polyesters and Epoxy Resins

open access: yesMolecules, 2019
Phosphorus-containing flame retardants synthesized from renewable resources have had a lot of impact in recent years. This article outlines the synthesis, characterization and evaluation of these compounds in polyesters and epoxy resins.
Jacob Sag   +5 more
doaj   +1 more source

Structural Covariance in the Hard Sphere Fluid [PDF]

open access: yes, 2018
We study the joint variability of structural information in a hard sphere fluid biased to avoid crystallisation and form fivefold symmetric geometric motifs.
Carter, Benjamin M. G. D.   +3 more
core   +4 more sources

Design of a Random Decrement Method Based Structural Health Monitoring System

open access: yesShock and Vibration, 2012
Structural Health Monitoring (SHM) has reached a high importance in numerous fields of civil and mechanical engineering. Promising damage detection approaches like the Damage Index Method, Gapped Smoothing Technique and Modal Strain Energy Method require
H. Buff   +4 more
doaj   +1 more source

To the issue of application of thermoplastic reinforced pipes for the construction of oil and gas pipelines in the Arctic

open access: yesИзвестия высших учебных заведений: Нефть и газ, 2020
Ensuring the safety of oil and gas facilities and increasing their facility life are today one of the most important tasks. Emergencies related to rupture and damage of steel pipelines because of their wear and tear and external factors are still the ...
A. A. Tolmachev   +2 more
doaj   +1 more source

Gridshell Structures in Moscow: A Review of Design, Construction, and Applications [PDF]

open access: yesE3S Web of Conferences, 2023
Gridshell structures have gained significant attention in recent years due to their remarkable architectural flexibility, sustainable construction techniques, and aesthetically pleasing designs.
Sokolova Lidia Nataly Somarriba   +1 more
doaj   +1 more source

Dissociation of structural and functional integrities of the motor system in amyotrophic lateral sclerosis and behavioral-variant frontotemporal dementia [PDF]

open access: yes, 2016
Background and Purpose: This study investigated the structural and functional changes in the motor system in amyotrophic lateral sclerosis (ALS; n=25) and behavioral-variant fronto-temporal dementia (bvFTD; n=17) relative to healthy controls (n=37 ...
Bae, Jong Seok   +9 more
core   +2 more sources

Structural Performance of Mivan Structural System Over Conventional Structural System

open access: yesInternational Journal of Scientific Research and Modern Technology (IJSRMT), 2022
India's metropolitan population is now the world's second-largest, and its projected growth is causing more demand in housing. To deal with this problem, India must urgently prepare for the acquisition of land and the rapid construction of housing units. In recent years, there have been significant modifications in the construction process.
Nisarga K, Madhukaran
openaire   +2 more sources

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