نتایج جستجو برای: imposed strain
تعداد نتایج: 253056 فیلتر نتایج به سال:
Abstract Starting from a Lagrangian action functional for two scalar fields we construct, by variational methods, the Laplacian Green function bounded domain and an appropriate stress tensor. By further variation, imposed given vector field, arrive at interior version of Hadamard formula, previously considered P. Garabedian. It gives variation in terms pairing between tensor strain domain, this...
Influence of pre‐strain and bake hardening on the static and fatigue strength of a DP600 steel sheet
The influence of pre-strain on the tensile and fatigue properties a dual phase DP600 steel was studied. material pre-strained by uni-axial tension in rolling transverse direction. Thereafter, specimens were cut from deformed plates parallel or orthogonal to It found that increases yield strength. Results suggested strain path change primarily affects elastic-plastic transition during early stag...
The effects of imposed proton motive force on the kinetic properties of the alkalophilic Bacillus sp. strain N-6 Na+/H+ antiport system have been studied by looking at the effect of delta psi (membrane potential, interior negative) and/or delta pH (proton gradient, interior alkaline) on Na+ efflux or H+ influx in right-side-out membrane vesicles. Imposed delta psi increased the Na+ efflux rate ...
Experimental observations of an increase in resistance with decreasing specimen size and under the presence of non-uniform plastic deformation fields have pushed the development for small scale plasticity theories since the early 90’s. The observed phenomenon has been explained in terms of an accumulation of a density of geometrically necessary dislocations, which is required in order to accomm...
During the early stages of gastrulation in Drosophila embryo, the epithelial cells composing the single tissue layer of the egg undergo large strains and displacements. These movements have been usually modelled by decomposing the total deformation gradient in an (imposed or strain/stress dependent) active part and a passive response. Although the influence of the chemical and genetic activity ...
The limits of life of aerobic microorganisms are well understood, but the responses of anaerobic microorganisms to individual and combined extreme stressors are less well known. Motivated by an interest in understanding the survivability of anaerobic microorganisms under Martian conditions, we investigated the responses of a new isolate, Yersinia intermedia MASE-LG-1 to individual and combined ...
We analyze the steady-state behavior of a general mathematical model for reversible galvanic cells, such as redox flow cells, reversible solid oxide fuel cells, and rechargeable batteries. We consider not only operation in the galvanic discharging mode, spontaneously generating a positive current against an external load, but also operation in two modes which require a net input of electrical e...
background: heat stress is a common and usual problem in industries. several indices, including wet bulb globe temperature (wbgt), are used to evaluate heat stress. however, wbgt index has limitations such as high cost and response time. it is not thus suitable as a screening tool. heat strain scoring index (hssi) is also an observational-judgmental technique that has been developed for primary...
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