Abstract
Finite element data form an important basis for engineers to undertake analysis and research. In most cases, it is difficult to generate the internal sections of finite element data and professional operations are required. To display the internal data of entities, a method for generating the arbitrary sections of finite element data based on radial basis function (RBF) interpolation is proposed in this paper. The RBF interpolation function is used to realize arbitrary surface cutting of the entity, and the section can be generated by the triangulation of discrete tangent points. Experimental studies have proved that the method is very convenient for allowing users to obtain visualization results for an arbitrary section through simple and intuitive interactions.
Highlights
In the field of engineering technology, there are many common scientific calculation methods, among which the finite element method is the most widely applied
Finite element data visualization methods are primarily divided into two types: surface rendering and volume rendering [1]
To clarify the position relationship between the vertices of the finite element data and the free curve, by using the two-dimensional coordinate set on the screen, the constraint set and real number set are constructed, and the function equation is obtained by further interpolation fitting
Summary
Division of Materials, China Institute of Water Resources and Hydropower Research (IWHR), Beijing 100038, China. State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water. Beijing Key Laboratory of Multimedia and Intelligent Software Technology, College of Metropolitan
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