Results 51 to 60 of about 3,860 (279)

Parametric study on average stress-average strain curve of composite stiffened plates using progressive failure method

Latin American Journal of Solids and Structures
The post-buckling behavior of composite ships' stiffened plate panels has been studied. In this study, the average strain- average stress curves for these panels are derived using progressive failure method as well as nonlinear finite element method. The
Fattaneh Morshedsolouk, Mohammad Reza Khedmati   +1 more
doaj   +1 more source

Performance and Stability Analysis of Sub-stiffening for Mechanical Buckling and Post Buckling: A Selective Study

MATEC Web of Conferences, 2017
The recent work is a selective study of different types and shapes of stiffeners and sub-stiffeners. The aim is to get an optimum design model of the sub-stiffened panels.
Layachi Hemza, Xu Yuan-ming
doaj   +1 more source

Computational Analysis of Compressed Stiffened Composite Panels with Impact Damage

Aerospace, 2019
A complex modeling technique is presented in this paper for a numerical analysis of compressed stiffened composite panels with impact damage. The numerical technique is based on the LS-Dyna code application, which simulates both the dynamic deformation ...
Alexander A. Ryabov, Evgeny E. Maslov, Dmitry Y. Strelets, Vladimir G. Slobodchikov   +3 more
doaj   +1 more source

On the integrated design of curvilinearly grid-stiffened panel with non-uniform distribution and variable stiffener profile

Materials & Design, 2020
In this paper, the integrated design of curvilinearly grid-stiffened panels is investigated, including stiffener layout design and profile design. The layout design includes the curvilinear path and non-uniform distribution of stiffeners.
Dachuan Liu, Peng Hao, Kunpeng Zhang, Kuo Tian, Bo Wang, Gang Li, Weixiu Xu   +6 more
doaj   +1 more source

Perivascular Matrix Densification Dysregulates Angiogenesis and Activates Pro‐Inflammatory Endothelial Cells

Advanced Science, EarlyView.
Perivascular matrix densification promotes the emergence of aberrant endothelial tip cells (ATECs) that invade and persist within fibrotic microenvironments. Using in vivo lineage tracing and a human microvessel model, this study shows that fibrous matrix cues destabilize VE‐cadherin–mediated junctions to gate TGF‐β signaling, inducing a pro ...
Jingyi Xia, William Y. Wang, Kyle A. Jacobs, Kairav Maniar, Daphne Lin, Evan H. Jarman, Daniel L. Matera, Kristen Loesel, Christopher D. Davidson, Harrison L. Hiraki, Xiaotian Tan, Eve H. Shikanov, Robert N. Kent, Carole Parent, Xudong Fan, Ariella Shikanov, Matthew L. Kutys, Brendon M. Baker   +17 more
wiley   +1 more source

Optimum design of a composite outer wing subject to stiffness and strength constraints [PDF]

, 2011
Composite materials have been more and more used in aircraft primary structures such as wing and fuselage. The aim of this thesis is to identify an effective way to optimize composite wing structure, especially the stiffened skin panels for minimum ...
Liu, Yifei
core  

Developmentally Inspired Bioprinting of Nascent Multicellular Human Heart Tissue Through in Situ Differentiation and Morphogenesis of iPSCs

Advanced Science, EarlyView.
A developmentally inspired bioprinting approach enables the fabrication of pluripotent tissues that undergo shape‐morphing and in situ cardiac lineage specification. This method employs embedded bioprinting to deposit iPSCs within soft granular hydrogels to create pluripotent tissue constructs that undergo cell‐mediated shape morphogenesis.
Ankita Pramanick, Juhi Chakraborty, Orlaith Kennedy, Hey Wei Wong, Sogol Kianersi, Daniel Kelly, Vasileios Sergis, Abhay Pandit, Andrew C. Daly   +8 more
wiley   +1 more source

Defect Driven Electronic Structure Reconfiguration and Hierarchical Phonon Suppression in Ag2Se Thermoelectrics

Advanced Science, EarlyView.
Indium substitution in Ag2Se nanocrystals simultaneously tailors electronic structure and lattice dynamics. Fermi‐level upshift and band‐gap narrowing enhance electrical transport, while defect‐induced lattice softening intensifies phonon scattering and suppresses lattice thermal conductivity.
Yineng Gou, Mengyao Li, Fang Lyu, Xiaolong Sun, Muyang Huang, Wenhao Xie, Liangwei Hu, Wei Cao, Yue Hou, Yong Liu, Andreu Cabot, Ziyu Wang   +11 more
wiley   +1 more source

Effect of distortion on the buckling strength of stiffened panels

, 2009
This paper predicts the behaviour of stiffened plates with different distortion levels in order to address a rational structural design procedure as pre-existing and fabricationrelated (like weld-induced) initial geometrical distortion is of great ...
Das, P.K., Hunt, Stuart, Crow, Anthony, Pretheesh, Paul C., Chaithanya, Pretheesh Paul, Das, Purnendu K.   +5 more
core   +1 more source

The Effects of Ply Orientation on Nonlinear Buckling of Aircraft composite Stiffened Panel

Fracture and Structural Integrity, 2019
In this paper, gradual demand for curved, stiffened panels composite emerged from carbon fiber reinforced plastics (CFRP); these are structures that are frequently used in aerospace engineering.
Ouadia Mouhat, Abdelmajid Bybi, Ahmed El Bouhmidi, Mohamed Rougui   +3 more
doaj