What question did this study set out to answer?

This research aims to develop a non-linear stiffness model for propping systems using IC MAGE M35.

January 22, 20260 citationsOpen Access

IC MAGE M35 - Non-linear stiffness model for propping systems

DTDavid M.G. TabordaNIHR Imperial Biomedical Research Centre MFManuel Matos FernandesUniversidade do Porto APAntónio M. G. PedroUniversity of Coimbra

Key Points

This research aims to develop a non-linear stiffness model for propping systems using IC MAGE M35.
Developed a user-defined model in PLAXIS using IC MAGE UMIP framework.
Utilized hypoelastic formulation to simulate non-linear stiffness.
Modelled props explicitly using solid elements.
The model starts with no stiffness and applies a hyperbolic law to increase stiffness.
Stiffness increases asymptotically toward its theoretical maximum value.

Abstract

IC MAGE M35 is a user-defined model for PLAXIS built using the IC MAGE UMIP framework which uses a hypoelastic formulation to simulate the non-linear stiffness of prop elements, which can be affected by slack in various components of the system. The envisaged modelling approach requires the explicit modelling of the prop using solid elements to which this material model must be assigned. Starting with no stiffness, the model uses an hyperbolic law, with the stiffness value increasing asymptotically to its theoretical value.

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