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Stress recovery

4.0 | 2 ratings Rate this file 26 Downloads (last 30 days) File Size: 143 KB File ID: #32519 Version: 1.0
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Stress recovery


KSSV (view profile)


a code is written to extract stress in 2D plane stress analysis

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In engineering analysis one is interested in stress values for the structure. This code shows how stress values are obtained from displacement's. Stress values are accurate at the Gauss points and these stresses are used to obtain the stresses at nodal points. Methods like Extrapolation or Patch Recovery can be used. Stresses obtained are averaged to get average stresses. Code shows how to extract stresses and find element nodal stresses, how to average them and how to find vonmises stresses.


The Plane Stress Problem inspired this file.

MATLAB release MATLAB 7.10 (R2010a)
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Comments and Ratings (6)
18 Jul 2014 KSSV

KSSV (view profile)

@ Shani Shahi with the help of the present code it is easy to extend to tetrahedron element.

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17 Jul 2014 shani shahi

hi dear @silva. i have an issue with the 4noded tetrahedron element codes in matlab that can extract plane stress & strain out of nodes displacements. I have searched everywhere but i couldnt find anything.can you help me in this please?

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17 May 2014 Abdulrahman


Thanks. I'll give it a try.

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16 May 2014 KSSV

KSSV (view profile)


The same code as it is will not work for tetrahedron. The present code works for 2D 4-noded element. Your's is 4 noded 3D element. But the same analogy can be easily extended to Tetrahedron.

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16 May 2014 Abdulrahman

Excellent work. Would work for 4 noded tetrahedron element !?

12 Sep 2013 m j

m j (view profile)

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