نتایج جستجو برای: time dependent loading
تعداد نتایج: 2499727 فیلتر نتایج به سال:
cervical cancer is the third most common cancer among women in malaysia. the objective of this study was to estimate the effect of explanatory variables on survival time of cervical cancer patients receiving treatment at a hospital in malaysia.in this retrospective record review study, cervical cancer data obtained from hospital universitisains malaysia (husm) was analysed. the data comprises o...
Vertical drains have been widely used in soil improvement projects to accelerate consolidation and improve the strength of soft soil. Previous models are mainly based on instantaneous loading, which cannot reflect actual time-variable loading condition. This paper presents a set analytical solutions for with vertical under depth time-dependent involving one-step multi-step cyclic loading. A fou...
In order to evaluate the reliability of turbine blades over a certain time period, a time-dependent reliability analysis model is developed in this paper for turbine blades in extreme wind loading. The extreme wind loading over a certain return period and the deterioration of the blade material are considered to investigate the time influence on the reliability of turbine blades. Only failure i...
In this paper we study precedence constrained scheduling problems, where the tasks can only be executed on a speciied subset of the machines. Each machine has a loading time that is incurred only for the rst task that is scheduled on the machine in a particular run. This basic scheduling problem arises in the context of machining on numerically controlled machines , query optimization in databa...
In recent years, encapsulation of drugs and antigens in hydrogels, specifically in calcium alginate particles, is an interesting and practical technique that was developed widespread. It is well known that alginate solution, under proper conditions, can form suitable nanoparticles as a promising carrier system, for vaccine delivery. The aim of this study was to synthesis alginate nanoparticles ...
In this paper, ratcheting behavior of beams subjected to mechanical cyclic loads at elevated temperature, using the rate dependent Chaboche unified viscoplastic model with combined kinematic and isotropic hardening theory of plasticity, is investigated. A precise and general numerical scheme, using the incremental method of solution, is developed to obtain the cyclic inelastic creep and plastic...
OBJECTIVE The purpose of this study was to investigate the in-vivo time-dependent contact behavior of tibiofemoral cartilage of human subjects during the first 300 s after applying a constant full body weight loading and determine whether there are differences in cartilage contact responses between the medial and lateral compartments. DESIGN Six healthy knees were investigated in this study. ...
A time-dependent Mt/Mt/1 queue alternates through periods of under-, over-, and critical loading. We derive period-dependent, pathwise asymptotic expansions for its queue length, within the framework of strong approximations. Our main results include time-dependent fluid approximations, supported by a functional strong law of large numbers, and diffusion approximations, supported by a functiona...
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