A new boundary spectral strip method for non-periodical geometrical entities based on analytical integrations

A new boundary spectral strip method for non-periodical geometrical entities based on analytical integrations

A method based on expanding the boundary integral equation into a trigonometric series or a high-order polynom is proposed, depending on the domain geometry. It is a non-element method which yields solutions to elastostatic and potential problems, using a small computer memory, yet obtaining more pr...

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Veröffentlicht in:Computer methods in applied mechanics and engineering 1996-09, Vol.135 (3), p.327-342
Hauptverfasser: Michael, Ofer, Avrashi, Jacob, Rosenhouse, Giora
Format: Artikel
Sprache:eng
Schlagworte:
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Static elasticity
Static elasticity (thermoelasticity...)
Structural and continuum mechanics
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container_title Computer methods in applied mechanics and engineering
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creator Michael, Ofer
Avrashi, Jacob
Rosenhouse, Giora
description A method based on expanding the boundary integral equation into a trigonometric series or a high-order polynom is proposed, depending on the domain geometry. It is a non-element method which yields solutions to elastostatic and potential problems, using a small computer memory, yet obtaining more precise results as compared with other common numerical methods. When the geometry of the problem contains circles and straight lines, all the integrations required for solution of the boundary integral are solved analytically. Some elastostatic problems are solved here, and compared with the boundary element method (BEM), which shows some remarkable advantages of the boundary strip method over the BEM.
doi_str_mv 10.1016/0045-7825(95)00951-5
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subjects Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Static elasticity
Static elasticity (thermoelasticity...)
Structural and continuum mechanics
title A new boundary spectral strip method for non-periodical geometrical entities based on analytical integrations
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