【摘要】 本文研究反应堆用石墨构件的应力分析问题。由于辐照石墨的蠕变响应是反应堆运行温度和快中子累积剂量的函数。因此使计算复杂化了。为了解决这个问题,本文提出应力变换法得到了有限元公式。对受辐照、有内热源、内外壁为放热条件的厚壁圆筒进行了求解。计算结果表明同解析解吻合得很好,并且具有简化计算和节省时间的优点。更多还原

【Abstract】 This paper deals with the numerical analysis of graphite components in thenuclear reactor.Since the creep response of irradiated graphite is related to theoperating temperature and accumulative dose of fast neutron,the calculated procedureis fairly complicated.In order to solve the problem use is made of stress trans-formation,and Obtained finite element formulae has been obtained.As an example,the problem of an irradiated hollow cylinder has been analysed which has internalheat source and convective heat transfer on its internal and external walls.Theresults calculated by this method show that its solution agrees fairly well with theanalytic solution.The method can simplify computing procedure and save calcul-ating time.更多还原