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It is important before using a tool such as redAnTS to obtain some information about the solution; otherwise, you risk obtaining an incorrect solution with no basis for comparision. In this example, we know that since the block is in uniaxial tension, it should have a homogeneous state of stress and strain i.e. the stress and strain at every point in the block is identical. Yup, couldn't get simpler than that! The principal stress σ₁₁= 75 MPa. Later, we will compare this value against the output of redAnTS to make sure we modeled the problem correctly. We are now ready to attack the problem using redAnTS.

Start redAnTS in MATLAB

Locate the redAnTS_Toolbox folder. If you are unable to locate the folder, search for it. Note the folder's location so you can browse to it once you are in MATLAB. Launch MATLAB. To add the redAnTS_Toolbox folder to your path, click File -> Set Path -> Add with Subfolders. Browse to your redAnTS_Toolbox folder, select it and click OK. This adds this folder along with its subfolders to MATLAB's search path. This means you can run redAnTS commands from the MATLAB command line from any folder. Click Save and Close in the Set Path window.

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