Towards numerical solution of 3D problems by an efficient meshless method equipped with geometrical tools
سال انتشار: 1398
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 447
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شناسه ملی سند علمی:
SECM03_159
تاریخ نمایه سازی: 9 شهریور 1398
چکیده مقاله:
In this paper, 3D problems are solved numerically by a meshless method using exponential bases functions. In the first place, starting from a uniform regular grid of points, with the availability of the information of Non-Uniform Rational B-Spline (NURBS) surfaces of a 3D geometry designed in the CAD programs, a fast point-in-membership test is conducted to identify the nodes located inside the domain. Thereafter, in the processing unit, the rational Exponential Basis Functions (EBFs) are used to approximate the unknown field in each local cloud. Finally, the system of equation is constructed by enforcing the pointwise compatibility and boundary conditions.
کلیدواژه ها:
نویسندگان
Sayed Mohamad Mirfatah
Isfahan University of Technology, Department of Civil Engineering
Bijan Boroomand
Isfahan University of Technology, Department of Civil Engineering