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Solution of transient viscoelastic flow problems approximated by a term-by-term VMS stabilized finite element formulation using time-dependent subgrid-scales
(2020-08)
Article
Restricted access - publisher's policySome finite element stabilized formulations for transient viscoelastic flow problems are presented in this paper. These are based on the Variational Multiscale (VMS) method, following the approach introduced in Castillo ... -
Combination of an adaptive remeshing technique with a coupled FEM–DEM approach for analysis of crack propagation problems
(Springer, 2020-07)
Article
Restricted access - publisher's policyThis paper presents an enhanced coupled approach between the finite element method (FEM) and the discrete element method (DEM) in which an adaptive remeshing technique has been implemented. The remeshing technique is based ... -
Solution of Navier–Stokes equations on a fixed mesh using conforming enrichment of velocity and pressure
(Springer, 2020-01)
Article
Open AccessSimulation of fluid flows of multi-materials is an intriguing topic in computational mechanics. Capturing the physics of the interface between different materials poses a challenge because of the discontinuities that may ... -
An accurate nonlocal bonded discrete element method for nonlinear analysis of solids: application to concrete fracture tests
(Springer, 2020-05)
Article
Open AccessWe present a numerical procedure for elastic and nonlinear analysis (including fracture situations) of solid materials and structures using the discrete element method. It can be applied to strongly cohesive frictional ... -
Fluid structure interaction by means of variational multiscale reduced order models
(2020-06)
Article
Restricted access - publisher's policyA reduced order model designed by means of a variational multiscale stabilized formulation has been applied successfully to fluid-structure interaction problems in a strongly coupled partitioned solution scheme. Details ... -
Logarithmic conformation reformulation in viscoelastic flow problems approximated by a VMS-type stabilized finite element formulation
(2019-09)
Article
Restricted access - publisher's policyThe log-conformation reformulation, originally proposed by Fattal and Kupferman (2004), allows computing incompressible viscoelastic problems with high Weissenberg numbers which are impossible to solve with the typical ... -
A bonded discrete element method for modeling ship–ice interactions in broken and unbroken sea ice fields
(Springer, 2019-10)
Article
Open AccessThis work investigates the failure patterns of ice cakes and floe-ice when loaded by a moving and sloping structure (ice-breaking ships and cones). In the paper, we introduce the most frequently encountered ice-infested ... -
An Experimental and numerical study of the load distribution effect on composite slab shear resistance
(EJournal Publishing, 2019-05)
Article
Open AccessThe design codes prescribe “a close simulation” of the uniformly distributed loads for bending tests, since, applying an ideal uniform load on the slab surface, is not technically as simple as applying concentrated loads ... -
Shockwaves in spillways with the particle finite element method
(Springer, 2020-01)
Article
Open AccessChanges in direction and cross section in supercritical hydraulic channels generate shockwaves which result in an increase in flow depth with regard to that for uniform regime. These disturbances are propagated downstream ... -
Analysis of the mock-up of a reactor containment building: comparison with experimental results
(2020-04)
Article
Restricted access - publisher's policyThe results of a predictive analysis of the mock-up of a reactor containment building, based on computer numerical simulation, are presented in this paper and compared with the results obtained in the context of the VeRCoRs ... -
Shear transfer behavior in composite slabs under 4-point standard and uniform-load tests
(2020-01)
Article
Restricted access - author's decisionThe 4-point bending test, prescribed by most standards, is the conventional test used to determine the shear resistance of steel-concrete composite slabs, whereas loading requirements are commonly specified in terms of ... -
PFEM–DEM for particle-laden flows with free surface
(Springer, 2020-01)
Article
Open AccessThis work proposes a fully Lagrangian formulation for the numerical modeling of free-surface particle-laden flows. The fluid phase is solved using the particle finite element method (PFEM), while the solid particles embedded ...
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