Create an Abaqus material library using MATLAB

Question

Javier Romarís Villanueva 2022-8-6

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https://ww2.mathworks.cn/matlabcentral/answers/1774980-create-an-abaqus-material-library-using-matlab

回答： MM KK 2024-8-3

TestLib.zip

I was wondering if it is possible to create a Material library for Abaqus directly from Matlab or an .inp file containing the material properties of my choice in order to optimize faster. I know it is possible using Python I have been trying with Matlab but I can't find a way. If someone has previous experience would be much appreciated.

So for example I create a Material library in Abaqus called "TestLib" with a material called "AL 2025" with a description ("algo que poner") and I defined the Young modulus ("70000") and the Yield Strength ("346.0"). The file that Abaqus creates is the one I attach, what I want is to create that in MATLAB without having to run Abaqus and complete the boxes manually.

Thanks in advance.

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Mario Malic 2022-8-6

How is the material data stored in that textual file? Show an example.

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Answer 1

Mario Malic 2022-8-8

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在 MATLAB Online 中打开

Hey, this should work, alter the code as you wish.

clc; clear;
file = "TestLib.lib";
fileContents = strsplit(fileread(file), '\n');
youngMod = num2str(75e3);
fileContents{43} = strrep(fileContents{43}, 'AL 2025', 'New material name');
fileContents{43} = strrep(fileContents{43}, '70000.0', num2str(youngMod));
fileContents{43} = strrep(fileContents{43}, 'Algo que poner', 'New description');
newFile = "new file.txt";
FID = fopen(newFile, "w");
fprintf(FID, '%s\n', fileContents{:});
fclose(FID);
movefile(newFile, "NewLib.lib", 'f'); % change extension