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hi, According the Doc, it should be able to output the stiffness matrix of Elastic Beam Column Element with query object 'stiffness' and zero-length element with object 'stiff'. However, it seems not working. Could anyone tell me a easier to do with these two types elements in order to obtain the st...

Hi, I was trying to download the latest version of Opensees code(windowsxp systems), it seems the link of "Stable Production Release" will lead to Opensees Executable file download but not the source code. Is there a problem with the link or there is another way to obtain the source code? ...