Results 21 to 30 of about 2,230,220 (315)

Limit order books and trade informativeness [PDF]

open access: yes, 2011
In the microstructure literature, information asymmetry is an important determinant of market liquidity. The classic setting is that uninformed dedicated liquidity suppliers charge price concessions when incoming market orders are likely to be ...
Menkveld, Albert J.   +7 more
core   +1 more source

Stability Evaluations of Unlined Horseshoe Tunnels Based on Extreme Learning Neural Network

open access: yesComputation, 2022
This paper presents an Artificial Neural Network (ANN)-based approach for predicting tunnel stability that is both dependable and accurate. Numerical solutions to the instability of unlined horseshoe tunnels in cohesive-frictional soils are established ...
Thira Jearsiripongkul   +7 more
doaj   +1 more source

The Limits of Cost-Effectiveness Analysis [PDF]

open access: yesCirculation: Cardiovascular Quality and Outcomes, 2009
The competitive worldwide economic environment and ever-increasing costs of health care have created a setting in which understanding costs and making sure that we achieve good value in health care are paramount. One approach to seeking value is through the use of cost-effectiveness analysis.
William S, Weintraub, David J, Cohen
openaire   +2 more sources

The plastic limit of clays [PDF]

open access: yes, 2013
The plastic limit of soils was first described by Atterberg in 1911. The thread-rolling test was standardised at the US Public Roads Bureau in the 1920s and 1930s, and has subsequently become one of the standard tests of soil mechanics.
Vardanega, Paul J   +2 more
core   +1 more source

Coordinated Control of a Doubly-Fed Induction Generator-Based Wind Farm and a Static Synchronous Compensator for Low Voltage Ride-through Grid Code Compliance during Asymmetrical Grid Faults

open access: yesEnergies, 2013
This paper aims to explore a viable solution for a doubly-fed induction generator (DFIG)-based wind farm to meet the reactive support requirement of the low voltage ride-through (LVRT) grid code with safe grid-connected operation during asymmetrical grid
Hua Geng, Geng Yang, Zhong Zheng
doaj   +1 more source

Joint Layout Design: Finding the Strongest Connections within Segmental Masonry Arched Forms

open access: yesInfrastructures, 2022
Segmental arched forms composed of discrete units are among the most common construction systems, ranging from historic masonry vaults to contemporary precast concrete shells.
Elham Mousavian, Claudia Casapulla
doaj   +1 more source

Three-dimensional seismic stability of inhomogeneous soil slopes using limit analysis method

open access: yesRock and Soil Mechanics, 2022
Based on the upper bound limit analysis theorem, the three-dimensional seismic stability of inhomogeneous soil slopes is investigated using the pseudo-dynamic approach, and the explicit expression of the factor of safety is obtained by the gravity ...
LI Yu-nong , LIU Chang, WANG Li-wei
doaj   +1 more source

Limit analysis of large defomation of deep-water pipelines under cyclic vertical pipe-soil interaction

open access: yesYantu gongcheng xuebao, 2020
The vertical pipe-soil interaction is the key element to determine the installation depth and the fatigue life of deep-water pipelines. A sequential limit analysis (SLA) is performed on the monotonic and cyclic loading behaviours of a rigid pipe in ...
KONG De-qiong 1, 2, WAN Jia-yi 1, 2
doaj   +1 more source

Generalized Thrust Network Analysis of Triangular Masonry Cross Vaults Inspired by Musmeci

open access: yesApplied Sciences, 2023
A triangular parabolic cross vault, that was designed by Musmeci in the 1950s as a reinforced concrete structure but remained unbuilt, is revisited from the original perspective of its reinvention as a masonry structure.
Nicola A. Nodargi   +2 more
doaj   +1 more source

On shakedown, ratchet and limit analysis of defective pipeline

open access: yes, 2011
In this study, the limit load, shakedown and ratchet limit of a defective pipeline subjected to constant internal pressure and a cyclic thermal gradient are analyzed.
Ure, James Michael   +7 more
core   +1 more source

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