Results 41 to 50 of about 928,092 (143)

Advances in Delamination Analysis and Damage Prediction: A Comprehensive Review on Polymer Composite Materials

open access: yesEngineering Reports, Volume 8, Issue 2, February 2026.
This comprehensive study advances delamination analysis in composites through innovative computational methods, experimental validation techniques, and predictive algorithms, collectively enhancing damage progression prediction and structural health monitoring for improved integrity in high‐performance applications.
Dhivya Elumalai   +4 more
wiley   +1 more source

Free Vibration of Polar-Orthotropic Sector Plates Resting on Point Supports

open access: yes, 1985
An accurate Ritz solution for the free vibration of point-supported annular sector plates of polar orthotropy is presented. A double power series function is used to represent deflection of the plate, with Lagrange multipliers to impose the constraint ...
Y. Narita
core   +1 more source

Anisotropic Transparency of Alkali‐Treated Wood

open access: yesMacromolecular Materials and Engineering, Volume 311, Issue 2, February 2026.
Alkali treatment makes delignified wood transparent by removing hemicellulose and exchanging carboxyl‐group counterions, which softens the cell walls. This allows the internal lumens to collapse, making the material highly transparent. The tangential section allows for a more complete collapse of cell lumens, leading to a denser structure and superior ...
Hitomi Yagyu   +6 more
wiley   +1 more source

Phase flow rate measurements of annular flows [PDF]

open access: yes
In the international oil and gas industry multiphase annular flow in pipelines and wells is extremely important, but not well understood. This thesis reports the development of an efficient and cheap method for measuring the phase flow rates in two phase
Al-Yarubi, Qahtan
core   +1 more source

An Approach to FFF Elastic Properties Based on Classical Laminate Theory

open access: yesPolymer Engineering &Science, Volume 66, Issue 2, Page 1309-1328, February 2026.
CLT‐based methodology for predicting the elastic properties of FFF‐printed ABS parts, highlighting the effects of printing parameters and the superior performance of 3D infill architectures. ABSTRACT Polymers are the primary materials used in additive manufacturing, with fused filament fabrication (FFF) being one of the most widely adopted techniques ...
Victor Justen da Silveira Machado   +1 more
wiley   +1 more source

An Analytical Approach for Fast Prediction of Stator Natural Frequencies in a Conical Permanent Magnet Synchronous Motor

open access: yesThe Journal of Engineering, Volume 2026, Issue 1, January/December 2026.
This study proposes an analytical method to predict stator core vibrations. This analytical framework provides an efficient theoretical tool for rapid vibration assessment and design optimisation of conical motor stators. ABSTRACT Conical permanent magnet synchronous motor (CPMSM) is widely used in turbine power generation, electric vehicle propulsion ...
Zhong Huang, Hao Zhang, Peng Zhang
wiley   +1 more source

Rectilinearly orthotropic annular disc under uniform pressure [PDF]

open access: yes, 1987
This paper deals with the stress distribution in a rectilinearly orthotropic annular disc under internal or external pressure. The stresses are determined by the boundary element method, and the results are presented for practical cases of large ...
Dumir, P.C.   +3 more
core   +1 more source

Review of Research on Reinforced Concrete Shell Structure Produced Using an Inflated Form

open access: yesAdvances in Civil Engineering, Volume 2026, Issue 1, 2026.
Reinforced concrete shell structures produced using an inflated form are widely used in large‐span thin‐shell spatial structures. Unlike the construction technology of traditional concrete building structures, this method involves prefabricating the membrane material into a designed shape as the construction framework.
Xi Mao   +7 more
wiley   +1 more source

Non-linear analysis of smart annular plates using cylindrically orthotropic piezoelectric fiber-reinforced composite

open access: yes, 2011
This article deals with geometrically non-linear finite element analysis of substrate annular plates integrated with the annular patches of the piezoelectric fiber reinforced composite (PFRC) material.
Satyajit Panda
core   +1 more source

The polar sciences journal: the past and future of a crucial research instrument

open access: yes, 2022
Journals dedicated to the polar sciences have been outliers. Within both the history of science and the history of media, they stand out in several ways, including their comparatively late establishment of peer-review. It was not until the second half of
Gielas, Anna M.
core   +1 more source

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