2D Finite Element Global Digital Image Correlation (FE-DIC)
Finite element Global Digital Image Correlation (2D_FE_Global_DIC)
2D Finite-element-based global DIC method (guarantee global kinematic compatibility and decrease noise by adding regularization penalties).
Welcome to give the 2D_FE_Global_DIC code ratings and comments in the MATLAB File Exchange community:
Prerequisites & Installation
2D_FE_Global_DIC MATLAB code was tested on MATLAB versions later than R2018a. Please download and unzip the code to the MATLAB working path. Then, execute the mail file main_FE_Global_DIC.m.
Code Manual
It is already included in the code. It's also available at my Researchgate: https://www.researchgate.net/publication/345907429_Finite_Element_Global_Digital_Image_Correlation_FE-Global-DIC_Code_Manual_v10
Code Demo
2D_FE_Global_DIC MATLAB code demo is very similar to the ALDIC code:
% =========================================
ALDIC Matlab code demo:
(Youtube) https://www.youtube.com/watch?v=JctudMfO-7w (Bilibili) https://www.bilibili.com/video/BV1hf4y1i7bK/
I also attach my EASF webinar to introduce AL-DIC/DVC algorithm and review other DIC/DVC methods:
(Youtube) https://www.youtube.com/watch?v=-t61WrVagZ4 (Bilibili) https://www.bilibili.com/video/BV1ff4y1B71L/
Citation
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[1] Yang, J. and Bhattacharya, K. Augmented Lagrangian Digital Image Correlation. Exp.Mech. 59: 187, 2018. https://doi.org/10.1007/s11340-018-00457-0. or
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Full text can be requested at: www.researchgate.net/publication/329456141_Augmented_Lagrangian_Digital_Image_Correlation
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[2] Yang, J. and Bhattacharya, K. Combining Image Compression with Digital Image Correlation. Exp.Mech. 59: 629-642, 2019. https://doi.org/10.1007/s11340-018-00459-y or
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Full text can be requested at: https://www.researchgate.net/publication/330489954_Combining_Image_Compression_with_Digital_Image_Correlation
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[3] Augmented Lagrangian Digital Image Correlation MATLAB code: https://www.mathworks.com/matlabcentral/fileexchange/70499-augmented-lagrangian-digital-image-correlation-and-tracking
Contact and support
I appreciate your comments and ratings to help me further improve this code. If you have other questions, feel free to contact me. Jin Yang (Caltech, majoring in solid mechanics, PhD '19): jin.yang@austin.utexas.edu -or- aldicdvc@gmail.com
Citar como
Jin Yang (2024). 2D Finite Element Global Digital Image Correlation (FE-DIC) (https://github.com/jyang526843/2D_FE_Global_DIC), GitHub. Recuperado .
Yang, J. and Bhattacharya, K. Augmented Lagrangian Digital Image Correlation. Exp.Mech. 59: 187, 2018. https://doi.org/10.1007/s11340-018-00457-0.
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Versión | Publicado | Notas de la versión | |
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1.2.3 | (i) Fix the previous bug about "FStrainWorld". Thank Hasan Hamdan and Philip DePond pointed out this bug! (ii) Improve the FE-mesh for Sample 12 example. Thank Prof. David Wootton for pointing out this! https://github.com/jyang526843/2D_FE_Global_DIC |
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1.2.2 | [IMPORTANT]: I correct the inconsistency of computing "FSubpb2World" in the physical world coordinate system. Users who don't use code Sections 5-6 or who don't plot shear strains are not affected. Sorry about the inconvenience. |
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1.2.1 | If you have problems in downing the newest version code, you can find it here: https://github.com/jyang526843/2D_FE_Global_DIC. |
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1.2 | Add codes and one example for arbitrary general Q4 meshes. |
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1.1.1 | Update code manual |
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1.1 | (i) Fix bugs in code Section 3 for initial guess; (ii) Update ba_interp2 cpp file for versions later than MATLAB 2020a; (iii) Add stress calculation |
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1.0.4 | Add the link to FE-Global-DVC code |
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1.0.3 | i) Fix several bugs; ii) Add code image; |
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1.0.2 | Upload code |
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1.0.1 | update title |
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1.0.0 |
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