Question

1) The diving board shown below has cross-section of 700 x 45 mm with E = 10.3 GPa. Determine maximum bending stress and tip deflection when a 280 lb person is standing at the center of the width at the location shown. S\textsubscript{MAX} MPa Y\textsubscript{MAX} mm 2) Write a MATLAB m-file to plot vertical deflection of the diving board in Problem 1) as a function of position along the beam. The plot should be fully annotated with meaningful labels, titles, and legends as appropriate. The MATLAB code provided below shows two ways to implement beam functions. Attach copy of your plot and your MATLAB code. % h0ldemo.m - demonstration code for ME 360 H01 % HJSIII, 18.08.17 % constants L = 10; a = 4; % fill column vector from 0 to L with step 0.5 x = (0 : 0.5 : L)'; % number of elements in x n = length(x); % beam \textlessx-a\textgreater function using for-loop and if-statement for i = 1 : n, if x(i) >= a, beam1(i) = 1 + 2x(i) - 2.5(x(i)-a); else beam1(i) = 1 + 2*x(i); end end

          1) The diving board shown below has cross-section of 700 x 45 mm with E = 10.3 GPa.
Determine maximum bending stress and tip deflection when a 280 lb person is standing at the
center of the width at the location shown.
S\textsubscript{MAX} 

MPa
Y\textsubscript{MAX}
mm
2) Write a MATLAB m-file to plot vertical deflection of the diving board in Problem 1) as a
function of position along the beam. The plot should be fully annotated with meaningful labels,
titles, and legends as appropriate. The MATLAB code provided below shows two ways to
implement beam functions. Attach copy of your plot and your MATLAB code.
% h0ldemo.m - demonstration code for ME 360 H01
% HJSIII, 18.08.17
% constants
L = 10;
a = 4;
% fill column vector from 0 to L with step 0.5
x = (0 : 0.5 : L)';
% number of elements in x
n = length(x);
% beam \textlessx-a\textgreater function using for-loop and if-statement
for i = 1 : n,
if x(i) >= a,
beam1(i) = 1 + 2*x(i) - 2.5*(x(i)-a);
else
beam1(i) = 1 + 2*x(i);
end
end

$1) The diving board shown below has cross-section of 700 x 45 mm with E = 10.3 GPa. Determine maximum bending stress and tip deflection when a 280 lb person is standing at the center of the width at the location shown. SMAX MPa YMAX mm 2) Write a MATLAB m-file to plot vertical deflection of the diving board in Problem 1) as a function of position along the beam. The plot should be fully annotated with meaningful labels, titles, and legends as appropriate. The MATLAB code provided below shows two ways to implement beam functions. Attach copy of your plot and your MATLAB code. % h0ldemo.m - demonstration code for ME 360 H01 % HJSIII, 18.08.17 % constants L = 10; a = 4; % fill column vector from 0 to L with step 0.5 x = (0 : 0.5 : L)'; % number of elements in x n = length(x); % beam \textlessx-a\textgreater function using for-loop and if-statement for i = 1 : n, if x(i) >= a, beam1(i) = 1 + 2*x(i) - 2.5*(x(i)-a); else beam1(i) = 1 + 2*x(i); end end$

Added by Christine K.

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