摘要
通过介绍扩展有限元的概念及方法,应用ABAQUS有限元分析三点弯曲水泥混凝土梁(I型开裂问题)的开裂过程和不同纤维含量的混凝土开裂行为,并加以对比与评估。通过对水泥混凝土梁裂纹扩展过程和断裂的数值模拟,展示扩展有限元在断裂失效分析方面的独特优势。
Through introducing the concepts of extend finite element method（XFEM）,applying the finite element method of ABAQUS to analyze the crack propagation of three-point bending concrete beams（Mode I） and the cracking behavior of different fiber reinforced concrete.Finally,the results are compared and evaluated.By the extend finite element numerical simulation for the crack propagation and fracture of concrete,this paper represents the special advantage in term of failure of fracture.
出处
《低温建筑技术》
2012年第4期31-33,共3页
Low Temperature Architecture Technology
基金
国家自然科学基金资助项目(51078331)
交通运输建设科技项目(2011318806780)
关键词
裂缝扩展
扩展有限元法
水泥混凝土
纤维混凝土
crack propagation
extend finite element method（XFEM）
cement concrete
fiber concrete
