A graphical approach to yield and boundary surfaces of selected hypoplastic constitutive equations
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Publication date: 2011-06-30
Archives of Civil Engineering 2011;57(2):139-151
The article describes how to identify the boundary and yield surface for hypoplastic constitutive equations proposed by Wu, Gudehus and Bauer. It is shown how to identify and plot the surfaces for any equation in this class. Calculation errors are analyzed characteristic for applied set of numerical formulas. In the paper there are computer links to the source code prepared in the MATLAB system, based on instructions in the article. A sample consitutive domains are shown, plotted using the attached computer program.
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