scholarly journals Field-stitching boundary element method for accurate and rapid vectorial diffraction analysis of large-sized one-dimensional diffractive optical elements

2018 ◽  
Vol 26 (16) ◽  
pp. 20023
Author(s):  
Jun-ichiro Sugisaka ◽  
Takashi Yasui ◽  
Koichi Hirayama
Keyword(s):  
Boundary Element Method ◽  
Diffraction Analysis ◽  
Boundary Element ◽  
Diffractive Optical Elements ◽  
Optical Elements ◽  
One Dimensional ◽  
Element Method

Stress and Strain Definition of an Open Profile Thin-Walled Beam at Constrained Torsion by Boundary Element Method

2012 ◽  
Vol 42 (2) ◽  
pp. 43-54
Author(s):  
Zlatko Zlatanov
Keyword(s):  
Boundary Element Method ◽  
Boundary Element ◽  
Stress And Strain ◽  
One Dimensional ◽  
Open Profile ◽  
Linear Algebraic Equations ◽  
Thin Walled ◽  
Definition Of ◽  
Constrained Torsion ◽  
Element Method

Stress and Strain Definition of an Open Profile Thin-Walled Beam at Constrained Torsion by Boundary Element Method Thin-walled beams with open profile at constrained torsion are investigated in this paper. A thin-walled beam loaded by an external bi-moment at constrained torsion is investigated in this paper. An analytical variant of the boundary element method (BEM) is presented, which is based on a new scheme of the integral ratios transformation of the initial parameters method in a system of linear algebraic equations. Only one dimensional integrals are used defining the one dimensional continuum.

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