Geotechnical stability analysis
This paper describes recent advances in stability analysis that combine the limit theorems of
classical plasticity with finite elements to give rigorous upper and lower bounds on the …
classical plasticity with finite elements to give rigorous upper and lower bounds on the …
Upper bound limit analysis using simplex strain elements and second‐order cone programming
In geomechanics, limit analysis provides a useful method for assessing the capacity of
structures such as footings and retaining walls, and the stability of slopes and excavations …
structures such as footings and retaining walls, and the stability of slopes and excavations …
Undrained stability of braced excavations in clay considering the nonstationary random field of undrained shear strength
The basal heave stability of supported excavations is an essential problem in geotechnical
engineering. This paper considers the probabilistic analysis of basal heave stability of …
engineering. This paper considers the probabilistic analysis of basal heave stability of …
A Genetic Algorithm NURBS-based new approach for fast kinematic limit analysis of masonry vaults
The present paper proposes a new Genetic Algorithm NURBS-based approach for the limit
analysis of masonry vaults based on an upper bound formulation. A given masonry vault …
analysis of masonry vaults based on an upper bound formulation. A given masonry vault …
Application of discontinuity layout optimization to plane plasticity problems
A new and potentially widely applicable numerical analysis procedure for continuum
mechanics problems is described. The procedure is used here to determine the critical …
mechanics problems is described. The procedure is used here to determine the critical …
Lower bound limit analysis of an anisotropic undrained strength criterion using second‐order cone programming
In this paper, the formulation of the lower bound limit analysis of an anisotropic undrained
strength criterion using second‐order cone programming is described. The finite element …
strength criterion using second‐order cone programming is described. The finite element …
Probabilistic analysis of the seismic bearing capacity of strip footings using RAFELA and MARS
The critical aspect of the seismic bearing capacity of footings holds significant importance in
the field of geotechnical engineering. Past research has primarily focused on deterministic …
the field of geotechnical engineering. Past research has primarily focused on deterministic …
Determining an appropriate finite element size for modelling the strength of undrained random soils
The mechanical properties of soils and rocks can be highly variable, and there has recently
been a great deal of interest in modelling this variability using random field theory, in which …
been a great deal of interest in modelling this variability using random field theory, in which …
A polytree-based adaptive approach to limit analysis of cracked structures
We in this paper present a novel adaptive finite element scheme for limit analysis of cracked
structures. The key idea is to develop a general refinement algorithm based on a so-called …
structures. The key idea is to develop a general refinement algorithm based on a so-called …
Upper and lower bounds in limit analysis: adaptive meshing strategies and discontinuous loading
Upper and lower bounds of the collapse load factor are here obtained as the optimum
values of two discrete constrained optimization problems. The membership constraints for …
values of two discrete constrained optimization problems. The membership constraints for …