EMA 605, Homework Assignment #8
Assigned: 11/10/11, Due: 11/22/11
Our second computational exercise is to create a program that produces stiffness matrices for
meshes of CST elements. Your program will also compute the stress and strain vectors that
resul

EMA 605, Homework Assignment #7
Assigned: 11/03/11, Due: 11/10/11
1. Problem 4.2-1 from the textbook modified so that the point at which P is applied remains in
the plane x=0, the initial location of the axis C of the cylinder, where the spring is not str

EMA 605, Homework Assignment #6
Assigned: 10/25/11, Due: 11/03/11
1. Problem 3.5-1 of the text. For part (a), you do not need to go through the full A -matrix
formulation to find " 3 ( x, y ) if you can justify a particular combination of the complete-qua

EMA 605, Homework Assignment #5
Assigned: 10/11/11, Due: 10/25/11
Our first computational exercise will reinforce the concepts of transforming element matrices,
assembling them into global matrices, and then evaluating local quantities once a global solut

EMA 605, Homework Assignment #4
Assigned: 10/04/11, Due: 10/11/11
1. In class, we considered two geometric limits that reduce the number of independent variables
from 3 to 2, allowing 2D computation, where the algebraic vectors for stress and strain have

EMA 605, Homework Assignment #3
Assigned: 9/27/11, Due: 10/04/11
1. This problem considers two different aspects of beam elements.
a) In class, we found the first column of the stiffness matrix for beams subject to pure bending
behavior by computing the a

EMA 605, Homework Assignment #2
Assigned: 9/20/11, Due: 9/27/11
1. The following diagrams represent 1D systems of springs (or bar elements), where
displacements are in the horizontal direction only. For each, find the linear system (in matrix
form)
KD = R

EMA 605, Homework Assignment #1
Assigned: 9/13/11, Due: 9/20/11
1. Two ends of a bar of length L are held at temperatures T0 and TL at positions x=0 and x=L,
respectively. Thermal conductivity in the bar is nonuniform and has the profile
"0
" ( x) =
,
1+