a. Construct one-dimensional elements line (i.e., grid/mesh line), make the correct numbering and labeling of nodes and elements. b. Construct grid/mesh information table c. Write the shapes function, N; and N; for each element (e) and plot the shape function diagram

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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El = 2.5(1010) N.cm?
El = 1.5(1010) N.cm?
El = 1.3(1010) N.cm?
6m
4m
2m
2.5(10°)
2.5(10°)
1.5(10°)
Figure. 1: Simply supported beam subjected to moment distribution
Critically analyse the finite element product and systems model that help to find and solve the problem shown in
Figure.1 by performing the following steps:
Construct one-dimensional elements line (i.e., grid/mesh line), make the correct numbering and labeling of
nodes and elements.
b. Construct grid/mesh information table
c.. Write the shapes function, N; and N; for each element (e) and plot the shape function diagram
а.
d. Construct the weight functions for the one-dimensional elements' line/mesh.
Calculate the nodal deflection values and the distribution through each element using element matrices-
е.
Galerkin's method.
f. Would you increase (refine) the number of nodes/elements for this problem, explain you answer?
g. Justify your mesh/grid divisions for this problem in terms of complication of geometry or materials
compositions.
h. Estimate the deflection at x = 8.0 as well as the rate of deflection for the corresponding element
M(x) N.cm
Transcribed Image Text:El = 2.5(1010) N.cm? El = 1.5(1010) N.cm? El = 1.3(1010) N.cm? 6m 4m 2m 2.5(10°) 2.5(10°) 1.5(10°) Figure. 1: Simply supported beam subjected to moment distribution Critically analyse the finite element product and systems model that help to find and solve the problem shown in Figure.1 by performing the following steps: Construct one-dimensional elements line (i.e., grid/mesh line), make the correct numbering and labeling of nodes and elements. b. Construct grid/mesh information table c.. Write the shapes function, N; and N; for each element (e) and plot the shape function diagram а. d. Construct the weight functions for the one-dimensional elements' line/mesh. Calculate the nodal deflection values and the distribution through each element using element matrices- е. Galerkin's method. f. Would you increase (refine) the number of nodes/elements for this problem, explain you answer? g. Justify your mesh/grid divisions for this problem in terms of complication of geometry or materials compositions. h. Estimate the deflection at x = 8.0 as well as the rate of deflection for the corresponding element M(x) N.cm
Problem 3: For the simply supported beam and the moment distribution shown in Figure.1, the governing
differential equation for the boundary value problem is given by:
d2Ø
EI -
M(x) = 0, Ø(0) = 0 and Ø(12) = 0
-
dx?
Transcribed Image Text:Problem 3: For the simply supported beam and the moment distribution shown in Figure.1, the governing differential equation for the boundary value problem is given by: d2Ø EI - M(x) = 0, Ø(0) = 0 and Ø(12) = 0 - dx?
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