Exact(3)
For cracked engineering structural beams, a simple method to determine the stress intensity factors has been proposed based on a new concept of crack surface widening energy release rate.
Unlike the classical crack extension energy release rate, the crack surface widening energy release rate can be expressed by the G∗-integral and elementary strength theory of materials for slender cracked three-dimensional structures.
For the cracks in such structures, a very simple method to determine the stress intensity factors has been proposed by using a new concept of the crack surface widening energy release rate and the principle of virtual work.
Similar(57)
The small particles with higher surface stresses are manifested as a widened energy level gap.
While SOF2 adsorption leads to the decrease of conductivity of the (0 0 1) defect surface according to the widened energy gap.
This phenomenon leads to widening the energy window and ease of electron flow from the source to the channel [50].
In addition, the computations reveal that highly curved sequences tend to lower the energetic cost of loop formation, widen the energy distribution among stable and meta-stable looped states, and substantially alter loop topology.
"This is full-scale industrial development, not just a tweaking of the energy system, where growth is underpinned by a widening array of clean energy and climate policies at the federal state and municipal levels," says Mr Steiner.
TEM observation indicated that the particle size of the product film on the mc alloy (<10 nm) was far smaller than that on the cast alloy (200 nm), which might be beneficial to the widening of energy band and the decreasing of acceptor concentration in the product film on mc alloy.
Most significant of all, perhaps, is the squad's rising collective confidence, positive energy and widening leadership circle.
The Fermi energy penetrates into the conduction band of the degenerate semiconductor, due to an increase in the carrier concentration, which leads to the energy band widening.
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