There are several problems related to the properties of the triangular mesh representation that describes a surface of an object. Sometimes, the surface is represented just as a set of triangles without any other information and the STL file

一个很实用的三维打印程序，MeshLab，3D triangular meshes (typical 3D scanning meshes).-MeshLab, a mesh processing system, for user assisted editing, cleaning, filtering and rendering of large unstructured 3D triangular meshes (typical 3D scanning meshes). The syste

以三角形网格为实例，采用有限元法计算悬臂梁的应力分布(Taking the triangular mesh as an example, the stress distribution of the cantilever beam is calculated by the finite element method)