نتایج جستجو برای: ultimate limit state

تعداد نتایج: 1051635  

2000

The focus of this research is the stress laminated timber cellular deck. The testing program has involved application of loads that modelled both the design serviceability and design ultimate conditions, and identified slip and load redistribution mechanisms, which occur at the limit state of linear composite behaviour. This paper presents a summary of the results of this testing and discusses ...

2016

Scientists have achieved the ultimate speed limit of the control of spins in a solid state magnetic material. The rise of the digital information era posed a daunting challenge to develop ever faster and smaller devices for data storage and processing. An approach which relies on the magnetic moment of electrons (i.e. the spin) rather than the charge, has recently turned into major research fie...

2016

Scientists have achieved the ultimate speed limit of the control of spins in a solid state magnetic material. The rise of the digital information era posed a daunting challenge to develop ever faster and smaller devices for data storage and processing. An approach which relies on the magnetic moment of electrons (i.e. the spin) rather than the charge, has recently turned into major research fie...

Journal: :Journal of High Energy Physics 2022

Microscopic speed limits that constrain the motion of matter, energy, and information abound in physics, from "ultimate" limit set by light to Lieb-Robinson quantum spin systems. In addition these state-independent limits, systems can also be governed emergent state-dependent indicating slow dynamics arising, for example, low-energy quasiparticles. Here we describe a different kind limit: situa...

2013
HUNG-CHIEN DO WEI JIANG JIANXIN JIN XUEDONG CHEN

Reduces weight of hull structures designed for a very large carrier plays an important role as the economic efficiency is the most significant aspect. It is known that the traditional allowable working stress approaches with high safety and reliability, it means that the hull structural weight is higher than the actual requirement in operation. Recently, the limit state approach has been widely...

Failure of the quay walls due to earthquakes results in severe economic loss. Because of hazards threatening such inexpensive nodes of national and international transportation networks, seismic design of quay walls is still an evolving topic in marine structural engineering. This study investigates the sensitivity of the gravity-type quay wall stability respect to uncertain soil and seismic pr...

Journal: :Physical review letters 2011
Saikat Guha

Attaining the ultimate (Holevo) limit to the classical capacity of a quantum channel requires the receiver to make joint measurements over long code-word blocks. For a pure-state channel, we show that the Holevo limit can be attained by a receiver that uses a multisymbol unitary transformation on the quantum code word followed by separable projective measurements. We show a concatenated coding ...

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