منابع مشابه
Two-ply brain barrier
Arthritic joints are chock-full of activated immune cells. These cells produce chemotactic proteins that lure other cells into the joint, setting up a vicious cycle of inflammation. But what instigates this cycle in the first place? A study by Kim et al. (page 829) puts much of the blame on neutrophils. Neutrophils—granular cells that are among the immune system’s earliest responders during inf...
متن کاملIntra-ply shear locking
Intra-ply shear locking results in unrealistic fibre stresses and spurious wrinkling in composite forming simulations. Three remedies are investigated: aligning the mesh, applying reduced integration and using multi-field elements. The bias extension simulation is used to test several triangular and quadrilateral elements on their capability to avoid locking. Their performance under large defor...
متن کاملThe Formation and Effect of Outer-Ply Microcracks in Cross-Ply Laminates: A Variational Approach
The microcracking process in laminates which have outer-ply 90◦ plies (e.g. [90m/0n]s) has some important differences from the microcracking process in laminates which lack outer-ply 90◦ plies (e.g. [0n/90m]s). Foremost among the differences is the characteristic damage state. [90m/0n]s laminates form antisymmetric or staggered microcracks while [0n/90m]s laminates form symmetric microcracks. T...
متن کاملLow Ply Drawings of Trees
We consider the recently introduced model of low ply graph drawing, a straight-line drawing in which the ply-disks of the vertices do not have many common overlaps, which results in a good distribution of the vertices in the plane. The ply-disk of a vertex is the disk centered at it whose radius is half the length of its longest incident edge. We focus our attention on low-ply drawings of trees...
متن کاملNon-destructive Characterization of Ply Orientation and Ply Type of Carbon Fiber Reinforced Laminated Composites
As the fuel efficiency of vehicles is being increased over the next decade due to both consumer demand and regulations, several automobile manufacturers are incorporating fiber-reinforced composites into their product line due to their high strength to weight ratio. While the fiber-reinforced components are lighter than the traditional aluminum and steel components, the processing and repair of...
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ژورنال
عنوان ژورنال: ICGA Journal
سال: 1995
ISSN: 2468-2438,1389-6911
DOI: 10.3233/icg-1995-18101