FEA

Dear all,

I am simulating tensile specimens with an elliptical pore(representing a flaw in the material) in the mid-cross section of the specimen. What I am looking for is the stress concentration caused by this pore.

I am simulating this as a 3D specimen under tensile loading only, with 3D, 8-node linear brick elements(1st order). Now my questions are:

1- Is there any analytical solution for such problems(3D with elliptical pore) with which I can compare my FEA results?

Dear ALL,

Does anyone here has an experience carry out  FE analysis for a part[bracket] which was deformed plastically during cyclic loading test.

I'm now working to resolve this issue when a bracket was fail to withstand the constant loading of 500N during cyclic test. It was reported fail at ~3800 cycles which was less than target.

Rgds.

Stress corrosion cracks can be a serious problem in many engineering industries, and especially so for critical parts. While an ultrasonic transducer can be used for the non-destructive evaluation of cracks with simple shapes, complex branching cracks, such as stress corrosion cracks, require ultrasonic arrays that consist of multiple transducers and are able to inspect at multiple angles.

Biofilms represent bacterial communities that attach to implanted medical devices such as sutures and catheters. When detached from implants within the body, biofilms can cause chronic infections. This study used Simpleware software to generate image-based microscopic Finite Element (FE) models from confocal laser scanning microscopy scans of real biofilm colonies attached to a surgical suture fragment.

(re-arranged from January 14th and 21st)

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