نتایج جستجو برای: Life prediction
تعداد نتایج: 994091 فیلتر نتایج به سال:
in this paper, three-dimensional modeling of the fatigue crack growth profiles was performed in a simple riveted lap joint. simulation results showed that mode i was dominated on the one side of the plates and the crack straightly grew on this side, while the other side of the plates was in a mixed-mode condition and the crack propagation path was not straight on this side. afterward, the fract...
artificial neural network is one of the most robust and reliable methods in online prediction of nonlinear incidents in machining. tool flank wear as a tool life criterion is an important task which is needed to be predicted during machining processes to establish an online tool life estimation system. in this study, an artificial neural network model was developed to predict the tool wear and ...
today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...
در کشور ما از سالها پیش انواع بیمه های زندگی ارائه می شد لکن استقبال مردم از این بیمه ها بسیار پایین بود.در چند سال اخیر طرح جدیدی از بیمه های زندگی با الگو برداری از بیمه نامه ای به نام universal life insurance که شرکتهای بیمه در دنیا به خصوص کشورهای غربی عرضه می کنند،ارائه گردیده است. با ارائه این بیمه نامه درایران،فروش آن در سالهای اخیر رشد قابل توجهی داشته است لکن هنوز میزان استقبال ازاین ب...
abstract present research considered to examine and compare shahrray 14 years girls and boys narrative concerning with their responsibilities in this research, statistical society are 14 years girls and boys of shahrry . for performing this research. first, 14 years of 50 boys and 50 girls were selected in accidental method and have filled memati hormaled adolescents responsibility questioner...
Strength reduction in structures like an aircraft could be resulted as cyclic loads over a period of time and is an important factor for structural life prediction. Service loads are emphasized at the regions of stress concentration, mostly at the connection of components. The initial flaw prompting the service life was expected by using the Equivalent Initial Flaw Size (EIFS) which has been re...
The main aim of present research was to study the role of hope, loneliness feeling and their components in prediction of elders' life satisfaction. The method of this research was descriptive-correlational. For this purpose, 300 elders were selected by Available sampling method and loneliness feeling, hope and life satisfaction questionnaires were administered among selected sample. Data were a...
deterioration of concrete structures in the gulf region is a serious problem. penetration of chloride ion into concrete is responsible for such early deterioration. determination of chloride diffusion coefficient is an effective way to predict the service life of concrete structures. in order to investigate the performance of concrete mixtures in such environments, ordinary and silica fume conc...
it is definitely necessary to understand the concept and behavior of causation of life insurance policies and its determinants for insurance managers, regulators, and customers. for insurance managers, the profitability and liquidity of insurers can be increasingly influenced by the number of causation through costs, adverse selection, and cash surrender values. therefore, causation is a materi...
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