CAJ | 학술논문

应用扩展有限元法模拟了含球形孔洞脆性材料拉伸破坏机理及破坏过程。分析了含球形孔洞的脆性材料单向拉伸情况下孔洞体积百分数对结构承载力的影响。数值计算结果显示，基于扩展有限元模型的数值方法可以准确的和可视化的直观方式分析含球形孔洞脆性材料拉伸破坏过程。结果表明，含球形孔洞脆性材料结构拉伸破坏的承载力与孔洞体积百分数密切相关。
응용확전유한원법모의료함구형공동취성재료랍신파배궤리급파배과정。분석료함구형공동적취성재료단향랍신정황하공동체적백분수대결구승재력적영향。수치계산결과현시，기우확전유한원모형적수치방법가이준학적화가시화적직관방식분석함구형공동취성재료랍신파배과정。결과표명，함구형공동취성재료결구랍신파배적승재력여공동체적백분수밀절상관。
An extended ifnite element method (XFEM) simulation for failure mechanism and failure pro-cess of brittle materials containing spherical cavities due to tension load is presented. Numerical analysis is conducted to study the effects of void fraction on bearing load of brittle materials containing spherical holes under uniaxial tension loading. Numerical results show that the proposed XFEM can accurately and visually analyze the tension failure process of brittle materials with spherical cavities. It indicates that void fraction has signiifcant effects on the tension failure bearing load of brittle materials containing spherical holes.