In the structural reliability analysis, because of the randomness of the external load and material performance parameters, there must exit several mechanisms which have much larger failure probability than others do, among all potential failure modes.
In addition, it is obvious that the effect of strength mis-matching on the longitudinal stress distribution of welded joint was remarkable while the external load was applied to the welded joints with residual stresses.
the basic fuzzy relations among fuzzy external load, fuzzy internal force and fuzzy deflection are derived when inclined beams are bent in vertical direction.
Involving interaction of gasket, bolts and flange rings, the load-deformation and the structural fuzzy reliability of each component are analyzed in the case of ideality, external loads and creep-relaxation respectively.
This paper deals with several dynamic shakedown problems of the discrete elastic-perfectly plastic structures withthe given initial conditions which is subjected to the given external loads.
Generally, with the increase of the external loads and the deformation rate, the deformation and fracture consecutively involve macro-, meso-and microscopic levels, correspondingly dynamic strength increases, and viscosity decreases gradually.
It is shown that,① during the compression,the "cave-in" phenomenon only occurs to the C_(240) molecule,and,at the time of "cave-in",the energy and external loading for the C_(240) fall;
It is shown that,during the compression,the "cave-in" phenomenon only occurs to the(22,0) tube,and at the time of the "cave-in",both the energy and external loading for the(22,0) tube fall;
The stress distribution along the gradient direction under external loading for FGM flexure beams could be calculated hy using the concept of the equivalent flexural rigidity, as a result, the load - bearing capacity for FGMs could be easily evaluated.
In this paper,the elastic constants and damage evolution laws in composite materials are measured directly under one time loading condition with the assistant of micromechanics of composite materials and microcrack damage theory.
The total current in the external circuit and the difference of the potentials of the conducting walls are found as functions of the external load, the Hartmann number, and the ratio of the lengths of the sides of the duct.
Dependence of the internal flows (turnover) and normal annual concentrations of P forms in the water body on its external load onto the ecosystem is established.
It is assumed that this behavior of the strength as a function of the degree of connectivity of the atomic structure is associated with the degree of uniformity of the external load distribution over atomic bonds.
Results of comparison of these data with the ones obtained earlier testify to the capacity of the ecosystem to cope with various internal and external loads.
The evolution of the atomic structure of face-centered cubic (fcc) and body-centered cubic (bcc) crystals under the conditions of pulsed external loads and large plastic strains is investigated on the basis of computer experiments.
This paper proposes a matrix-based method to determine the mobility and equilibrium stability of mechanisms according to the effects of the external loads.
with thick substrate) adhesive joints with adhesively-bonded columns (ABCs) subjected to external loads were investigated experimentally and analytically.
These meshes or grids can be easily incorporated into existing numerical software packages for further mechanical analysis and failure prediction of the geomaterials under external loading.
The effect of annealing on the photoacoustic, piezoelectric signal for ceramics and the influence of the given external loading on the behavior of the photoacoustic signal near the radial crack tips is investigated.
The critical stress intensity factor, or bondline toughness, is derived from the test data using an approximation formula for the change in external loading with bondline thickness.
A model for the external loading through a coupling hole is developed for azimuthally corrugated magnetron-type cavities with sector-shaped side resonators (grooves).
In Composites, application of relatively low transverse strains or stresses can lead to locally large strains or stress in the matrix. It is therefore necessary to evalute the strain or stress concentration factors. A simple discussion of strain or stress magnification factors based upon a strength of materials type of approach is given by schulz in 1963. However, Foye 1966 solved the stress concentraton problem by finite element method indicating that the maximam stress concentration in the matrix is far l...
The transfer matrix method is used in stress analysts of shells of revolution composed of cylindrical, conical and spherical shells, with circular rings or other stiffeners on them if necessary.Transfer matrices for shells are derived from basic differential equations of cylindrical, conical and spherical shells respectively.Considering the difficulty in the computation of Thomson functions appearing in the general solution of the basic equation of conical shell, some slightly modified functions have been u...
Based on field test results, the author investigates the loading characteristic of the elasto-plastic frozen wall according to Mohr-Coulomb plastic condition. Emphasis are given on analysis of the development of the plastic region in the frozen wall with various thickness under increasing load. The relationship between the load and the dimensions of frozen wall, the radius of the plastic region and the reaction of the shaft lining are discussed. The rational extent of the plastic region is found.
外载
external load
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