Results 21 to 30 of about 708,592 (312)

Experimental Study on External Loading Performance of Large Diameter Prestressed Concrete Cylinder Pipe

open access: yesBuildings, 2022
A prestressed concrete cylinder pipe (PCCP) is created with a complex composition of concrete core, welded steel cylinder, prestressed steel wire, protective mortar and anti-corrosion coating.
Pengran Shang   +5 more
doaj   +1 more source

External Pressures on Teaching [PDF]

open access: yesDiscourse: Learning and Teaching in Philosophical and Religious Studies, 2002
[FIRST PARAGRAPHS]\ud The primary role of the PRS-LTSN is to improve the quality of\ud education by encouraging the sharing of good practice and\ud innovation, and the discussion of common problems. However, there\ud are other forces at play, which are pursuing the same end by different\ud means.
openaire   +6 more sources

Buckling Analysis of Conical Shell Openings with Reinforced Perimeter Walls under Uniform External Pressure

open access: yesMetals, 2023
In this paper, the effects of opening parameters and reinforcing wall parameters on the bearing capacity of conical shells with an opening were investigated.
Lin Yue   +4 more
doaj   +1 more source

Using the two-sided approximations method for the numerical research of nanoelectromechanical systems under the action of the Casimir force

open access: yesВісник Харківського національного університету імені В.Н. Каразіна. Серія: Математичне моделювання, інформаційні технології, автоматизовані системи управління, 2022
Relevance. Developing the method of two-sided approximations for finding a positive solution to a nonlinear boundary value problem that models an electrostatic nanoelectromechanical system under external pressure has been considered.
Оксана Кончаковська   +1 more
doaj   +1 more source

Thin-walled cylindrical shells in engineering designs and critical infrastructures: A systematic review based on the loading response

open access: yesCurved and Layered Structures, 2023
Cylindrical shell structures are ubiquitous and essential supporting structures in various engineering applications. The aim of this research work is to provide a comprehensive overview of the behavior of cylindrical shell structures under different ...
Ganendra Ben   +8 more
doaj   +1 more source

Numerical and Experimental Buckling and Post-Buckling Analyses of Sphere-Segmented Toroidal Shell Subject to External Pressure

open access: yesMetals, 2022
This study determined the buckling characteristics of sphere-segmented toroidal shells subjected to external pressure. The proposed toroidal vessel comprises six spheres and six rings.
Chenyang Di   +3 more
doaj   +1 more source

Collapse of Externally Pressurized Steel–Composite Hybrid Cylinders: Analytical Solution and Experimental Verification

open access: yesMetals, 2022
To evaluate the collapse pressure of the steel–composite hybrid cylinders under external pressure without excessive computational cost, an analytical formula was derived in this study. The rationality of the derived formula was verified by the comparison
Xinlong Zuo   +4 more
doaj   +1 more source

Design Equation of Buckle Propagation Pressure for Pipe-in-Pipe Systems

open access: yesJournal of Marine Science and Engineering, 2023
This paper focuses on the buckle propagation pressure of a pipe-in-pipe system under uniform external pressure. After the validation of the finite element model used in this research, several effects were studied.
Ruoxuan Li   +2 more
doaj   +1 more source

Buckling of Bisegment Pressure Hulls Fabricated through Free Bulging

open access: yesMetals, 2023
This study explored the buckling performance of bi-segment pressure hulls under external pressure. We fabricated bi-segment pressure hulls from bi-segment cylindrical preforms by using free bulging.
Yun Teng, Jian Zhang, Feng Wang
doaj   +1 more source

External Jugular Venous Pressure versus Central Venous Pressure Measurement as a Clinical Predictor among Critically Ill Mechanically Ventilated Patients [PDF]

open access: yesEgyptian Journal of Health Care, 2021
Background: Continuous changes in central venous pressure monitoring among critically ill patients was allied to fluid response. External jugular venous pressure may be a reliable estimation method to central venous pressure and have the advantages of ...
Sheren M. Diab   +4 more
doaj   +1 more source

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