Attached please find my final project.

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This is the pdf file for the final project given by Andew and Lei.

I am attaching a PDF of Alex and Alison's final presentation for ES 240.  The topic is "Arterial Compliance and Disease."

-Alex

Here is the powerpoint of the final project, presented by Stevie Steiner and myself.

Attached is a PDF version of the PowerPoint presentation from our final project, titled "Viscous Deformation of a Quartz Tube Caused by Furnace Malfunction:  Analysis and Modeling".

See Attached

We'd like to model our tube furnace in ABAQUS, in particular a
spectacular incident involving an unexpected temperature jump that
induced plastic deformation of a fused quartz tube. This will involve a
comparison of hand calculations of simplified models, ABAQUS results
for plastic and viscoelastic deformation, and the actual "experimental"
results. We hope to explore the mechanisms of time- and
temperature-dependent viscoelastic deformation in the tube under loads
on its ends as well as the issues related to representing deformation
and temperature variations in modeling software. With the actual
deformed quartz tube and recorded temperature data versus time, we can
check the accuracy of several complexities of representations, varying

This is the last problem set this semester. It is due on Friday, Dec. 14, 2007.

See attachment for ES 240 lecture notes on plasticity.

Andrew and I decided to work on some design topics.

Given a reference domain, some boundary conditions and a limited amount of material, which can not fill the whole domain, we want to determine the material distribution inside the domain so that the structure generated will contain the minimum elastic energy. This is called minimum compliance problem, a topic in the field of topology optimization.

Our initial goal is to implement the numerical methods in this field to the interesting examples offered in our class, such as the wall cylinder and the plate under distributed pressure, and then analyse the computational results. If time permits, we will consider other optimization objects beside the elastic energy.
 

Nathan Thielen and I will be investigating straight beams, bent beams and how the analysis can be applied to hooks. We did not have much time to investigate beams in ES240 this term so we hope to gain a broader understanding of this area and share our findings with the rest of the class. The primary goal is to compare the analysis necessary for straight beams versus the analysis needed for bent beams. We choose the project because we also will have ample opportunity to investigate bent beams and hooks using FEM. If time permits we will investigate how the cross-section of hooks effects its properties.

Christian and I thought comparing the theory of bent beams to that of straight beams would be interesting because we only explored straight beams this semester in class. Bent beams are important since they are encountered regularly in practice, for example a hook. The geometry of a bent beam changes the equations governing the behavior. So, understanding how the geometry changes the beams behavior is our primary interest.

My project will be a literature study on ferroelasticity and how it applied to how of the topics we covered in class.

Eric Kiser 

Stress/Strain Analysis of Bullet-Holeson the Boeing 737 Fuselage Boeing 737 is the most popular aircraft in the sky today, with each one taking off or landing on average of every 6 seconds.