A nonlinear constitutive model of rigid polyurethane foam considering direction-dependence and tension–compression asymmetry
Construction and Building Materials（2022）
Abstract
•A nonlinear three-dimensional constitutive model of rigid polyurethane foam considering direction-dependence and tension–compression asymmetry.•Compressive and tensile tests of rigid polyurethane foam with DIC technique.•Implementation of nonlinear three-dimensional constitutive model of rigid polyurethane foam with Explicit Sub-stepping Method.
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Key words
Rigid polyurethane foam,Direction-dependence,Nonlinear,Tension–compression asymmetry,Three-dimensional constitutive model,DIC technique,FEM analysis
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