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April 13, 2026Open Access

An energetic state functional for saturated granular systems: Static enthalpy equilibrium as a criterion for stability and liquefaction

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MWManfred Wittig

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Overview

This work introduces a new energy-based method to assess stability in granular systems, implying broader applications beyond geotechnical conditions.

Key Points

  • The aim is to establish a mechanical enthalpy functional to describe stability in granular systems, focusing on porosity as a key parameter.
  • Developed an explicit mechanical enthalpy functional for granular systems under gravity.
  • Defined stability through a local minimum of the energetic functional.
  • Separated state, external excitation, and kinetics within the framework of Static Enthalpy Equilibrium.
  • Introduced a criterion for load-bearing states in granular systems based on energetic considerations.
  • Demonstrated that instability occurs with the disappearance of this local energetic minimum.
  • Proposed a general framework applicable beyond geotechnical conditions, indicating broad implications for stability analysis.

Cite This Study

Manfred Wittig (2026) studied this question.

synapsesocial.com/papers/69dc88303afacbeac03ea193https://doi.org/10.5281/zenodo.19510147
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