The Grid File: An Adaptable, Symmetric Multikey File Structure
ACM Transactions on Database Systems (TODS)
The excell method for efficient geometric access to data
DAC '82 Proceedings of the 19th Design Automation Conference
Foundations of Multidimensional and Metric Data Structures (The Morgan Kaufmann Series in Computer Graphics and Geometric Modeling)
All-hexahedral remeshing for the finite element analysis of metal forming processes
Finite Elements in Analysis and Design
A nearest-nodes finite element method with local multivariate Lagrange interpolation
Finite Elements in Analysis and Design
Spatial indexing on tetrahedral meshes
Proceedings of the 18th SIGSPATIAL International Conference on Advances in Geographic Information Systems
Simulation of manufacturing chain of a titanium aerospace component with experimental validation
Finite Elements in Analysis and Design
Development of a Finite Element Data Exchange System for chain simulation of manufacturing processes
Advances in Engineering Software
Finite element mesh conversion based on regular expressions
Advances in Engineering Software
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In the simulation of a chain of manufacturing processes, several finite element packages can be employed and for each process or package a different mesh density or element type may be the most suitable. Therefore, there is a need for transferring finite element analysis (FEA) data among packages and mapping it between meshes. This paper presents efficient algorithms for mapping FEA data between meshes with different densities and element types. An in-core spatial index is created on the mesh from which FEA data is transferred. The index is represented by a dynamic grid partitioning the underlying space from which nodes and elements are drawn into equal-sized cells. Buckets containing references to the nodes indexed are associated with the cells in a many-to-one correspondence. Such an index makes nearest neighbour searches of nodes and elements much faster than sequential scans. An experimental evaluation of the mapping techniques using the index is conducted. The algorithms have been implemented in the open source finite element data exchange system FEDES.