CEI’s visualization products are used widely to analyze and present the results of CFD and FEA simulations for a variety of biomedical and bioengineering applications. Since many of these involve transient phenomena, the strong animation creation and display features of our products are especially popular. Recently, support for 2D textures has been added, allowing greater realism to your results, important in a field of science unfamiliar with simulations.
Animation shows stent/balloon inflation dynamics and the impact that this has on peak arterial stresses. During inflation, the stent has a tendency to flare at the ends due to the balloon overhang. Increased overhang results in increased stent endflare and peak arterial stresses. This, in turn, can increase the chances of restenosis (uncontrolled cell growth leading to the artery clogging back up). The model is currently being adjusted to test high-pressure and high-resistance lesions. Image courtesy of Matt Hyre, Jim Squire and Raevon Pulliam from the Virginia Military Institute. For the full story, click here.
Computational Analysis of Technical Systems (CATS) at the RWTH Aachen University in Germany, use finite element analysis (FEA) techniques using Apple Xserve clusters and Mac desktops using EnSight post-processing software to analyze the results. CATS engineers are working on a titanium tube approximately one inch in diameter by three inches long. A tiny, four-ounce pump, whose design is being continuously refined with the help of Apple and CEI technology, is capable of keeping a cardiac patient alive by pumping 300 liters of blood an hour. The device pumps steadily, without a pulse. For the full story, click here.
Examples
CFD, Visualization Software Help Rice Study Ways to Make Better Heart Pumps, riceu.pdf
N.C. State Researchers Recreate Aerosol Inhalation in Virtual Reality, ncsu-particles.pdf
Visualizations Take Researchers Inside the Brain
Coupling FEA to CFD to investigate the effects of pulsatile blood flow on the dilation of artery walls, NWC07.pdf
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We've moved to a new website. This website, www.ensight.com, is useful for finding information (sample movies and screencasts) about EnSight 9. But EnSight 9 downloads and EnSight 10 and EnSight CFD information and downloads are now here: www.ceisoftware.com There are many links on this website to www.ceisoftware.com as we make this transition.
