主讲人：Ooi Ean Tat, Federation University Australia（澳大利亚联邦大学）
报告主题：Application of Scaled Boundary Finite Element Method in Modelling Fracture Phenomena
邀请人：章子华 教授
主持人：房小梁 副教授
报告时间：2024年11月27日（周三）上午 11:00—12:00
报告地点：做爱视频 思禹建工楼A408
报告摘要：
The scaled boundary finite element method (SBFEM) is a semi-analytical technique that exhibits unique advantages in modelling fracture phenomena. This presentation demonstrates the development of the SBFEM to address fracture problems in engineering from two different aspects; (i) discrete fracture modelling techniques and (ii) diffused modelling techniques. In the discrete fracture approach, the advantages of the SBFEM to accurately compute the stress intensity factors, efficient remeshing using polygons and quadtree meshes are exemplified. In the diffused modelling approach, a phase field-based framework is presented. An adaptive remeshing approach using quadtree meshes enables efficient deployment of the phase field method with the SBFEM, alleviating the need to use very fine meshes over the entire domain. Extensions of the phase field method based on the SBFEM to model fracture and damage phenomena described by MultiPhysics processes, e.g., hydraulic fracture, thermoelastic fracture and hydrogen-assisted stress cracking will be demonstrated.