Results 51 to 60 of about 7,520 (261)

Critical Buckling Load Analysis Of Porous Orthotropic Two-Layered Cylindrical Panels Based on Trigonometric Shear Deformation Theory

open access: yesIranian Journal of Science and Technology, Transactions of Civil Engineering, 2023
Abstract The aim of this paper is to analyze the elastic buckling of porous orthotropic two-layered cylindrical panels based on the trigonometric shear deformation theory. In the porous two-layered cylindrical panel model, porosities are dispersed by uniform and non-uniform distribution patterns.
openaire   +1 more source

A Systematic Study of GelMA‐Carbopol Bioinks for High‐Fidelity Extrusion 3D Bioprinting at Physiological Temperatures

open access: yesAdvanced Healthcare Materials, EarlyView.
Gonzalez Martinez and collaborators develop a strategy to formulate high performance GelMA‐based bioinks with low solids contents. The resulting bioinks enable 3D bioprinting at 37 °C of high‐fidelity structures with tunable mechanical properties that support high cell viability and function.
David A. González‐Martínez   +8 more
wiley   +1 more source

Harmonic frequency analysis of skewed functionally graded flat and spherical shallow shells

open access: yesResults in Physics, 2018
Present article emphasizes, harmonic frequency characteristics of functionally graded (FG) curved panels in rectangular and tilted planforms are investigated. A micromechanical material model is used through power-law based Voigt’s material model.
Chandra Mouli Badiganti, Ramji Koona
doaj   +1 more source

Dynamic Loading Regulates Meniscus‐Like Matrix Production in Human Mesenchymal Stromal Cell‐Seeded PET Scaffolds

open access: yesAdvanced Healthcare Materials, EarlyView.
Dynamic compression enhances mesenchymal stromal cell proliferation in nonwoven PET scaffolds under chondrogenic differentiation conditions and triggers mechanosensitive transcriptional programs associated with extracellular matrix remodeling. These findings highlight the potential of mechanically stimulated PET scaffolds as a promising platform for ...
Graciosa Quelhas Teixeira   +8 more
wiley   +1 more source

Artificial Intelligence‐Assisted Workflow for Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling

open access: yesAdvanced Materials, EarlyView.
AI‐Assisted Workflow for (Scanning) Transmission Electron Microscopy: From Data Analysis Automation to Materials Knowledge Unveiling. Abstract (Scanning) transmission electron microscopy ((S)TEM) has significantly advanced materials science but faces challenges in correlating precise atomic structure information with the functional properties of ...
Marc Botifoll   +19 more
wiley   +1 more source

Static behavior of FGM cylindrical panel with porosities in hygro-thermal environment

open access: yesTạp chí Khoa học và Công nghệ
In this study, the deflection and stress field of perfect and imperfect (with and without porosities) functionally graded (FG) cylindrical panels are determined following the first-order shear deformation theory (FSDT).
Chu Thanh Binh   +2 more
doaj   +1 more source

Flexoelectrically Induced Polar Topology in Twisted SrTiO3 Membranes

open access: yesAdvanced Materials, EarlyView.
Twisted SrTiO3 bilayers host polar vortices of flexoelectric origin, revealed through combined experiment and theory. By reconstructing polarization from the toroidal moment of strain gradients, the work establishes a 3D chiral state with broken inversion and mirror symmetries.
Isabel Tenreiro   +13 more
wiley   +1 more source

High Order Impact Elastic Analysis of Circular Thick Cylindrical Sandwich Panels Subjected to Multi-mass Impacts

open access: yesLatin American Journal of Solids and Structures
This study dealt with the dynamic model of composite cylindrical sandwich panels with flexible cores and simply supported boundary conditions under low velocity impacts of multiple large or small masses using a new improved higher order sandwich panel ...
K. Malekzadeh Fard   +3 more
doaj   +1 more source

Displacement Method in the Shear Field Theory of the Reinforced Panels and Experiments on Panels Used in the Buildings at Syowa Station

open access: yesAntarctic Record, 1967
本研究は,1)不静定棒平板結合構造の剪断場理論に対する,我々が変形法と名付けた解法を理論的に確立すること,および2)国立科学博物館の御好意によって提供をうけた,第一次南極基地建物のパネルについて実験し,剪断場理論と比較して,設計上本解法が使えるかどうか調べるという2つの目的を持っている.本解法は,従来のエネルギー法またはマトリックス法系の剪断場理論とその本質において,まったく等価であるが,変位をすべて未知数にとることによって,従来のものより解法上の方程式作成,即ち,機械的作表がきわめて容易となる.従って,マトリックス法への応用も容易となる.その他弾性方程式の一般的表現,記号法や近似解法など工夫した点が多々ある.提供を受けた南極基地パネルについての実験結果は,二次応力の影響や挫屈破壊を除いて ...
Toshio SATO, Zenkichi HIRAYAMA
openaire   +1 more source

Ammonium Salts as Curing Agents to Obtain Ionic Epoxy Resins With a Thermoplastic‐to‐Thermoset Transition

open access: yesAdvanced Materials, EarlyView.
Ionic epoxy networks are prepared using ammonium salts as hardeners, leading to a two‐stage curing process with a thermoplastic‐like intermediate. This uncommon behavior enables extrusion and fabrication of thermoplastic prepregs that can be cured into thermoset composites.
Izabela Kurowska   +10 more
wiley   +1 more source

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