Question
In: Mechanical Engineering
Write a Matlab script that computes the element level stiffness matrix and force vector for linear...
Write a Matlab script that computes the element level stiffness matrix and force vector for linear elasticity.
Solutions
Expert Solution
Table 1. Storage variables and their associated row and column degree of freedom numbers. The row and column degrees of freedom, i and j, have a prefix pos and neg. pos and neg correspond to pre-or-post multiplication of,
Partial stiffness matrices
samet mamat answered 2 years agoRelated Solutions
2. Vector Element Calculation Write a MATLAB script which will randomly generate a 20-element vector with...
2. Vector Element Calculation Write a MATLAB script which will
randomly generate a 20-element vector with integer values ranging
between −100 to +100. Using LOOP command, determine the number of
negative elements in the vector. For example, given A = [15 −6 0 -8
−2 5 4 −10 -3 −5], the number of negative numbers are 6.
In Finite Element Analysis (FEA) What is a local stiffness matrix and a global stiffness matrix?
In Finite Element Analysis (FEA) What is a local
stiffness matrix and a global stiffness matrix?
MATLAB. A three vector force system has forces as outlined, use a three element vector to...
MATLAB. A three vector force system has forces as outlined, use
a three element vector to represent the x, y, and z terms
respectively, F = [x_value, y_value, z_value]. Find the resultant
force when:
F1 has a magnitude of 120 N and is in the x-y plane, 35 degrees
BELOW the positive x axis,
F2 has a magnitude of 810 N and is in the x-z plane, 100 degrees
ABOVE the positive x axis, and
F3 has a magnitude of...
(MATLAB) Write a script that would create a 3x5 matrix of random integers and write this...
(MATLAB)
Write a script that would create a 3x5 matrix of random integers
and write this new matrix to a file called
“Assignment3_Question5.dat”.
Use Matlab and write entier script Problem 2. Generate the estimate (linear estimate) for y_est, and...
Use Matlab and write entier script
Problem 2.
Generate the estimate (linear estimate) for y_est, and plot(x ,
y_est).
Use “hold on” and plot(x,y) and plot(x,y_est), so that you can
see the result of the line and how it fits the data.
Does it look like it did a pretty good job?
An estimate of the “residual error” is the sum of the squares of
the difference between y and y_est.
This is often denoted as r2.
r2 = sum(...
MATLAB: Write as a script in the editor window of matlab. Quadratic roots. Write a program,...
MATLAB: Write as a script in the editor window of
matlab.
Quadratic roots. Write a program, quadroots.m,
for finding the roots of the second- order polynomial ax2 + bx + c.
Use the quadratic equation. The inputs are the coefficients a,b,
and c and the outputs are z1 and z2. The program should produce
(exactly) the following output in the Command window when run with
(a, b, c) = (1, 2, −3):
Write a Matlab function for a matrix that takes in a matrix in echelon form and...
Write a Matlab function for a matrix that takes
in a matrix in echelon form and will return the row
canonical form. The function cannot use
rref, or any other matlab built in functions.
Assume the vector AM contains an even number of elements. Develop a MATLAB script that asks...
Assume the vector AM contains an even number of elements.
Develop a MATLAB script that asks the user for the vector AM and
once the vector is found to contain an even number of elements,
divide the product of its even elements by the sum of its odd
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Write a C++ program that inputs a sequence of integers into a vector, computes the average,...
Write a C++ program that inputs a sequence of integers into a
vector, computes the average, and then outputs the # of input
values, the average, and the values themselves. There are 0 or more
inputs values, followed by a negative value as the sentinel; the
negative value is not stored and not counted. The following sample
input:
10
20
0
99
-1
would produce the following output:
N: 4
Avg: 32.25
10
20
0
99
The main program has...
Write a C++ program that inputs a sequence of integers into a vector, computes the average,...
Write a C++ program that inputs a sequence of integers into a
vector, computes the average, and then outputs the # of input
values, the average, and the values themselves. There are 0 or more
inputs values, followed by a negative value as the sentinel; the
negative value is not stored and not counted. The following sample
input:
10
20
0
99
-1
would produce the following output:
N: 4
Avg: 32.25
10
20
0
99
The main program has...
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