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An Algorithm for Two-Dimensional Geometric Boundary Construction From Finite Element Node Displacement Data
Conference proceeding

An Algorithm for Two-Dimensional Geometric Boundary Construction From Finite Element Node Displacement Data

Andrei G Jablokow, Brian Gilmore and Kent Clark
17th Design Automation Conference: Volume 2 — Computer-Aided Design, Mechanical Systems Simulation, and Analysis, Mechanisms, and Robotics, v 2, pp 237-241
22 Sep 1991

Abstract

This paper describes a system for constructing geometric models from elastically deflected finite element meshes. Two dimensional boundary curves are constructed by fitting B-Spline curves to the deflected Finite Element model. Cubic B-Splines are generated using least squares fitting techniques to the boundary curves of the Finite Element results. The fitted curves are connected end-to-end. The algorithm is useful after analysis for interfacing analysis results with design data in a shape optimization system based on Finite Element techniques.

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