Navigation Links
Tell them where it hurts

For statues, stress injuries come from standing in place for hundreds of years. Using a novel technique, researchers have now developed a way to predict such fracturing, applying the procedure to Michelangelo's David in an analysis that proved simpler, faster and more accurate than previous methods.

In applying the technique to other objects -- including human bones -- the researchers are also gaining new perspective on how these structures are likely to fail.

On March 18, 2008, Vadim Shapiro of the University of Wisconsin-Madison, Igor Tsukanov of Florida International University and their colleagues will present their latest results from their Scan and Solve technique at the International Conference on Computational and Experimental Engineering and Sciences in Honolulu, Hawaii.

"This research is likely to result in a breakthrough technology for performing direct engineering analysis on physical artifacts in situ (in place)," said Shapiro, director of the Spatial Automation Laboratory at his university.

Scan and Solve takes 3-D sampled or scanned data of an object and calculates where points of weakness occur and how those points will be affected by forces acting on them, such as gravity in the case of David or activity in the case of a human bone.

"These calculations are simple and painless, allowing for the exploration of many potential solutions for fixes in areas where fractures might occur," said Shapiro.

3-D data sets are now commonplace, whether from medical analyses conducted in doctors' offices across the country or laser scans used to capture complex shapes like the Hatcher Triceratops skeleton at the Smithsonian National Museum of Natural History.

Engineers can capture datasets for almost anything, even enormous structures, because the techniques can often be used to scan an object in place without the need to transport the object to a laboratory.

The breakthroughs developed by the researchers and their collaborators over the last decade builds upon the realization that the data provides, for any object, a detailed field map that can be represented as a weighted sum of various distances from a given point.

"Unlike existing analysis techniques that can be error prone and require models that take far longer to create, Scan and Solve compresses the entire analysis into a series of automated, efficient steps," says Michael Freytag, whose doctoral thesis details the Scan and Solve approach.

In their analysis of Michelangelo's David, the researchers were able to predict the stresses that the statue endures on a daily basis by using the Scan and Solve software with original shape data.

The analysis matched well with the statue's known crack damage, indicating that the method could help archivists by serving as a predictor for what areas of an ancient artifact may need to be bolstered to prevent damage, even if the statue has not yet shown fatigue.

The same approach could work for a bone or car part or any other heavily used component, potentially aiding engineers as they develop protections for those objects.

However, the research breakthrough is not only the predictive capabilities, said NSF Program Director Judy Vance who supported the research effort.

"For engineers designing new structures and components, the Scan and Solve claim to fame is the ability to go directly from scan data to analysis model without any intermediate steps that produce accumulating errors," said Vance. "This approach produces improved results that can be computed in less time providing a smooth link between the gathering of data and the analysis of data."

Now that digitized data are becoming commonplace, the researchers see Scan and Solve as a new way to bring the power of software-driven engineering tools such as computer-aided design to art, architecture, medicine and other systems that have not benefited from engineering analysis in the past.

"Combining Scan and Solve with medical imaging technology can set a new mark in personalized medicine, for example, by introducing stress analysis into orthopedic clinics and allowing personalized assessment of implant fit, positioning, bone quality and patient activity," concluded Tsukanov.


Contact: Josh Chamot
National Science Foundation

Related medicine news :

1. A Journal for Karen: Author Shares Gift of Love for Sister with Readers Everywhere Touched by Cancer
2. We Care Health Services Inc. partners with IgeaCare Systems Inc. to deliver Healthanywhere(TM) for Chronic Disease Management in Canada.
3. Hair Tells Tale of Where Youve Been
4. New York Plastic Surgeon Performs Pro Bono Surgery on Disadvantaged Patient Where Health Insurance Coverage Was Denied
5. Family, Friends and Support Groups Add Picture Messaging to Inspire and Motivate - Anywhere, Anytime
6. Progress toward an alternative for EPO: Gas6 offers remedy where EPO fails today
7. G&L Guitars Phyllis Fender Brings Smiles to Children Everywhere
8. Stem Cells Modified to Home in Where Theyre Needed
9. Carnegie Mellon study identifies where thoughts of familiar objects occur inside the human brain
10. Where vets served affects frequency of ER visits but not hospital stays
11. The Reality of Pregnancy in Sub-Saharan Africa: Author Shares Truth About Pregnancy in a Region Where 1 in 16 Women Die from Complications
Post Your Comments:
Related Image:
Tell them where it hurts
(Date:11/30/2015)... , ... November 30, 2015 ... ... Inc. are pleased to announce their strategic partnership at the Radiological Society ... Transcription Service, Inc., and Winscribe, global providers of cutting-edge dictation and speech-enabled ...
(Date:11/30/2015)... ... 2015 , ... World Patent Marketing , a vertically ... invention that provides an economical and easy way of gaining customized curtains. , ... 2.6%," says Scott Cooper, CEO and Creative Director of World Patent Marketing. "There ...
(Date:11/29/2015)... ... November 29, 2015 , ... ... Institute of Ultrasound in Medicine! , AIUM ultrasound practice accreditation is a ... or exceed nationally recognized standards in the performance and interpretation of diagnostic ...
(Date:11/29/2015)... Los Angeles, Ca (PRWEB) , ... November 29, 2015 , ... ... from the American Board of Ophthalmology on November 25th 2015. Peer Certification ... in the field of his specialty. Certification in Ophthalmology is first obtained after the ...
(Date:11/29/2015)... ... ... Effective immediately, every single IguanaMed scrub style will be available at Target via ... “Buy One Scrub Set, Get the 2nd Scrub Set 50% Off” for a limited ... price. , IguanaMed’s mission is to outfit every healer around the world ...
Breaking Medicine News(10 mins):
(Date:11/30/2015)... , Nov. 30, 2015   VolitionRx Limited (NYSE ... diagnostic tests for a broad range of cancer types and ... LD Micro Conference, which will be held December 1 - 3 ... from VolitionRx will be David Kratochvil , Chief Financial ... of Investor Relations. ® blood-based tests for ...
(Date:11/30/2015)... , November 30, 2015 Elbit ... the "Company") announced today that it was informed by InSightec ... Drug Safety (MFDS) has approved its Exablate Neuro system ... --> --> Insightec,s Exablate Neuro ... alternative that combines two technologies: Focused Ultrasound, which is ...
(Date:11/29/2015)... CHICAGO , Nov. 29, 2015  The GE Health ... annual Radiological Society of North America ... exclusively for the healthcare industry, the new cloud ecosystem and ... and collaboration across care pathways and multidisciplinary teams – both ... Immelt , Chairman and CEO of GE. "As the digital ...
Breaking Medicine Technology: