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Synthetic model of human tissue

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I am looking for a material that has stress-strain relationships similar to human tissue (see attached figure). The tissue has a very low small strain Youngs modulus (around 10kPa), but increases quickly with strain.

Weve had some success matching the low-strain Youngs modulus using a soft silicone with silicone thinner. However, this material does not possess the nonlinearity of human tissue.

Does anyone have any suggestions for a material (or additive) that could be used in this application?



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That is a difficult one. I would perform a literature search to see if you can find an references on the subject.

You might be able to obtain the desired behavior using a composite structure consisting of a mesh-like (e.g. non-woven) material in a silicone matrix.


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Synthetic Human Tissues and Body Parts

Check out Syndaver Labs ([url][/url]). I am not sure exactly what your application is but they might be able to help you.

Allie 🙂

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[QUOTE=douglascook,5146.....but increases quickly with strain.

....this material does not possess the nonlinearity of human tissue.


Hi Douglas

Biological tissues usually follow a strain hardening behavior and thats completely natural and a should-be, I believe.

Why dont you use different Abaqus Built-in hyperelastic material models? Ogden or Mooney-rivlin forms can mimic the exp. data quite well Im sure, if their application can be justified well. You may also like to start from Neo-hookean form, why not?



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Ogden model

Hi Douglas,

I would suggest using the Ogden model for the plot u have attached. I had tested some animal tissue and found that the Ogden model fits pretty well for tissues.


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Youngs model of stress and strain can be used in many firels for analysis and one of them is human behavior.