نتایج جستجو برای: structural reliability analysis
تعداد نتایج: 3213348 فیلتر نتایج به سال:
the aim of this article is to investigate the structural relationship between social influence, motivation and facilitating conditions with the use behaviour of teleworking technology, considering the moderating effect of behavioural intention to utilize teleworking. the research is done according to descriptive method with correlational type. statistical population is public organizations and ...
To reduce the computational burden for structural reliability analysis involving complex numerical models, many adaptive algorithms based on surrogate models have been developed. Among various support vector machine regression (SVR) which is derived from statistical learning theory has demonstrated superior performance to handle nonlinear problems and avoid overfitting with excellent generaliza...
Lattice systems such as offshore jackets and towers are weight-efficient support structures for wind energy oil gas units. Nevertheless, their light-weight is achieved at the expense of increasing proneness to fatigue failure, due many welded connections. Consequently, special attention be dedicated design hot spots. System-level methods aim calibrating reliability components achieve a desired ...
According to the problem that for a structure under random loads, the structural fatigue life can’t be directly calculated out by S-N curves and linear Miner cumulative damage rule. Owing to the uncertainty of loads, and the problem of the inaccuracy of calculated structural reliability index for the existence of deviation between measured data in projects and real data, the research method for...
Aimed at the reliability problems of arch retaining structure with stochastic parameters, in consideration of the influences of the randomness of the structural parameters and loads, the concrete paper applies program building relevant arch retaining structural model. The simulation programs are based on the response surface method and Monte Carlo method hybrid simulation analysis method. The s...
background nursing teachers have difficulties fulfilling multiple roles expectations and balancing the various dimensions of their roles that may lead to role strain. in order to lack of culturally and academically proper scale in iran to measure role strain in nursing teachers, localizing a foreign scale in this field is necessary. objectives the objective of this study was psychometric evalua...
the present study presents an algorithm that models uncertainties at the structural component level to estimate the performance reliability of rc structures. the method calculates the performance reliability using a systemic approach and incorporates the improved response surface method based on sampling blocks using the first-order reliability method and conditional reliability indices. the re...
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