Finite Element Analysis in Matlab with user-defined elements?
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Reschad Wakili 2020년 8월 21일
댓글: Reschad Wakili 2020년 8월 25일
I programmed a non-linear electromechanical material behavior in Matlab and would like to implement it into a Finite Element Process.
This gives rise to two questions:
1. Is there an additional FEM-package to solve boundary value problems in Matlab?
2. Is it possible in it to implement user-defined elements as Matlab functions (analogous to user-elements in Abaqus)?
I look forward to any help and answer
Best regards and many thanks in advance,
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Alan Stevens 2020년 8월 22일
Get hold of the book: "The Finite Element Method using Matlab", by Young W. Kwon and Hyochoong Bang, CRC Press, 1997, which tells you everything you need to know about constructing finite elements in MATLAB! (There is probably a more recent edition these days).
Ravi Kumar 2020년 8월 24일
You can define user defined functions of space, time, and solution using PDE Toolbox generic workflow, check out the following links to get started:
Check the example, and look at the function definition:
cCoef = @(region,state) 1./sqrt(1+state.ux.^2 + state.uy.^2);
You can also define it a regular function if its more complicated than one line.
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