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Construction of shell element stiffness matrix

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elgumatti
elgumatti 2016-11-14
编辑： elgumatti 2016-11-17
hello there guys Please, does anyone know a matlab code to combine the stiffness matrices of bending element and membrane element?. I've calculated the stiffness matrix of 4node-12dof bending element and 4node-8dof membrane element and I want to construct a stiffness matrix of both. Your help please, thanks
  2 个评论
elgumatti
elgumatti 2016-11-17
编辑：elgumatti 2016-11-17
To John D'Errico
Dear Sir,
Firstly, I'm not looking for someone to write my FEM code, but, as a new MATLAB user, I'm looking for a "HELP" form my seniors in this field to write it. Secondly, As far as I Know, this forum is worldwide and answering questions is a matter of interest. So, if you are not interested in my question, simply, Ignore it, but do not close it, someone else may be interested in. Thirdly, dealing with my question in the way you did, just means showing your seniority to your juniors and showing no respect to them. Thanks a lot for closing my question.
elgumatti
elgumatti 2016-11-17
To KSSV
Dear Sir,
I really do not understand the point of your suggestion to post my question in FEM forum instead of this one. As, I mentioned in the question, I got the membrane and bending stiffness matrices and I know how the combination of both should look like, and I'm just looking for a help from someone to get it done using MATLAB. So, what kind of help I may get from FEM forum? . Thank you very much and sorry for the long annoying debate.

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回答（1 个）

KSSV
KSSV 2016-11-15
Dear friend
This is a MATLAB forum and not an FEM forum. Consider the forum before posting a question.
You can refer to following book, I guess this book got what you need.
Finite Element Method Using MATLAB 2nd Edition 2nd Edition (English, Paperback, Young W. Kwon)
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KSSV
KSSV 2016-11-16
编辑：KSSV 2016-11-16
Yes..I too know that. But you cannot get a mix of both. If one is thorough with concepts of FEM, then comes MATLAB coding. I too learned FEM during my research work. First concepts of FEM and then coding. If you try both at time, it is tough.
John D'Errico
John D'Errico 2016-11-16
Nobody is going to write your FEM code here either. In fact, had KSV not answered your question, I would have simply closed the question if I had seen it first. The purpose of Answers is not to do your work.

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