材料科学
有限元法
高斯分布
体积热力学
压力(语言学)
结构工程
复合材料
工程类
物理
语言学
量子力学
哲学
作者
Andrea Tridello,Davide Salvatore Paolino,Giorgio Chiandussi,Massimo Rossetto
出处
期刊:Key Engineering Materials
日期:2013-09-01
卷期号:577-578: 369-372
被引量:5
标识
DOI:10.4028/www.scientific.net/kem.577-578.369
摘要
Research activities on gigacycle fatigue properties of materials have recently focused on the influence of specimen size used for ultrasonic fatigue tests. In order to increase the volume of material subjected to the maximum stress (risk volume) a new specimen shape with a Gaussian profile is proposed. An approximation of the Gaussian profile with an arc of circle is presented in the paper, in order to simplify the Gaussian specimen manufacturing process. The effect of the approximation is evaluated analytically and through a finite element analysis.
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