نتایج جستجو برای: plate sandwich
تعداد نتایج: 84023 فیلتر نتایج به سال:
In this paper, the behavior of free vibrations and buckling of the sandwich panel with a flexible core was investigated using a new improved high-order sandwich panel theory. In this theory, equations of motion were formulated based on shear stresses in the core. First-order shear deformation theory was applied for the procedures. In this theory, for the first time, incompatibility problem of...
Abstract The finite element model is established based on the bench test of landmine blast protection package. effect air gap between package and base plate as well stiffness deformation are investigated. Aluminum sandwich packages designed effects suppression studied using model. results show that not conducive to plate. Increasing benefit plate, however, it necessary consider influence corres...
MOTIVATION Giving a meaningful representation of a pedigree is not obvious when it includes consanguinity loops, individuals with multiple mates or several related families. RESULTS We show that finding a perfectly meaningful representation of a pedigree is equivalent to the interval graph sandwich problem and we propose an algorithm for drawing pedigrees.
Novel tetrachiral honeycomb structures are evaluated for the first time from the vibroacoustic point of view. A numerical method based on Bloch wave approximations for Finite Element models of the unit cells is applied to simulate the pass-stop band characteristics of these cellular solids. Experimental modal analysis and modal densities are measured on honeycomb panels and sandwich plate, and ...
BACKGROUND Small molecules classified as haptens are generally measured by competitive immunoassay, which is theoretically inferior to noncompetitive sandwich immunoassay in terms of sensitivity and specificity. We created a method for developing sandwich immunoassays to measure haptens on the basis of antimetatype antibodies. METHODS We generated antimetatype monoclonal antibodies against a ...
This highly sensitive immunoenzymometnc assay method involves monoclonalantibodies, a common-capturemicrosphere, and a rapid, membrane-filtration separation step. The common-capture solid phase is monoclonal anti-fluorescain antibody covalently attached to 6.5-sm-diameter latex particles. In sandwich-type assays for large-molecule analytes, the capture antibody is conjugated with fluorescein Is...
A method is proposed to identify the mechanical properties of the skin and core materials of sandwich structures having heterogeneous cores. All the elastic coefficients and loss-factors that matter in the dynamics of such a panel in the thick-plate approximation are identified. To this end, experimental natural modes (i.e. eigenmodes of the damped system) are compared to the numerical modes of...
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