Object form division method and system

Details Object form division method and system Object form division method and system

Filed on

1995-01-27

Date issued

1997-09-02

Examiner

Hafiz, Tariq R.

Other Related Categories

395 11, 395 51, G06F 1518

Type

Patent

Status

active

Patent number

056640641

Description

ABSTRACT:
A system for automatically dividing the form of an object to be analyzed using a finite element method, etc., into meshes, includes initial group generation means for generating a plurality of area division forms based on the form of the analysis object input through input means, and area division form evaluation means the generated area division forms. If the evaluation result does not satisfy a predetermined determination criterion, end determination means starts selection and crossover means for generating a new group and further starts mutation means for deforming the area division forms of the new group, then again starts the area division form evaluation means. If the evaluation result satisfies the predetermined determination criterion, an optimum area division form in the group is adopted as the optimum area division form. Division-into-meshes means subdivides the optimum area division form into meshes. The result of subdividing into the meshes is output to mesh output means. A method for automatically dividing the form of an object to be analyzed using a finite element method is also disclosed.

REFERENCES:
patent: 4912664 (1990-03-01), Weiss et al.
"FEM Element Divison Method for Improving its Operativity, to Simplify the Input Operation and to Shorten Operation Hours", Nikkei Mechanical, Feb. 1993, pp. 52-59.
"Automatic Mesh Generation Based on Expert-System-Methods", K. Reichert, et al, IEEE Transactions on Magnetics, vol. 27, No. 5, Sep. 1991, pp. 4197-4200.
"Genetic Algorithms In Search, Optimization, and Machine Learning", D. E. Goldberg, Addison-Wesley Publishing Co. Inc., 1989, Title page to page 24.
"Genetic Algorithm", H. Kitano, Sangyo Tosho, 1st Edition, Jun. 1993, Title page to page 17.
"Genetic Algorithm, Which Shows a Possibility to be Used in an Industrial Field", Nikkei Al, Autumn Issue, 1991, pp. 106-111.
Magele, C.A., et al., "Higher Order Evolution Strategies for the Global Optimization of Electromagnetic Devices", IEEE Transactions on Magnetics, vol. 29, No. 2, pp. 1775-1778 Mar. 1993.
Khan, A.I., et al., "Subdomain Generation for Parallel Finite Elecment Analysis", Computing Systems in Engineering, vol. 4, No. 4, pp. 473-489 Feb. 1993.
Gottvald, A, et al., "Global Optimization Methods for Computational Electromagnetics", IEEE Transactions on Magnetics, vol. 28, No. 2, pp. 1537-1540 Mar. 1992.
Kasper, M., "Shape Optimization by Evolution Strategy", IEEE Transactions on Magnetics, vol. 28, No. 2, pp. 1556-1560 Mar. 1992.
Preis, K., et al., "Comparison of Different Optimization Strategies in the Design of Electromagnetic Devices", IEEE Transactions on Magnetics, vol. 27, No. 5, pp. 4154-4157 Sep. 1991.
Preis, K., et al., "FEM and Evolution Strategies in the Optimal Design of Electromagnetic Devices", IEEE Transactions on Magnetics, vol. 26, No. 5, pp. 2181-2183 Sep. 1990.
Reichert, K., et al., "Automatic Mesh Generation Based on Expert-System-Methods", Advances in Electrical Engineering Software, pp. 95-108 Aug. 1990.
Tarnhuvud, T., "Problem-Oriented Adaptive Mesh-Generation for Accurate Finite-Element Calculation", IEEE Transactions on Magnetics, vol. 26, No. 2, pp. 779-782 Mar. 1990.

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