Results 71 to 80 of about 7,438 (209)

An extended finite element method with smooth nodal stress [PDF]

open access: yes, 2013
The enrichment formulation of double-interpolation finite element method (DFEM) is developed in this paper. DFEM is first proposed by Zheng \emph{et al} (2011) and it requires two stages of interpolation to construct the trial function.
Bordas, S. P. A.   +3 more
core  

Integration of Physics‐Based and Data‐Driven Approaches for Landslide Susceptibility Assessment

open access: yesInternational Journal for Numerical and Analytical Methods in Geomechanics, Volume 49, Issue 13, Page 3060-3097, September 2025.
ABSTRACT Rainfall‐triggered landslides pose a significant threat to communities and infrastructure around the world. Various data‐driven and machine learning (ML) based algorithms have been applied to assess landslide susceptibility. However, purely data‐driven methods are affected by issues such as uncertainty in the selection of landslide ...
Yi Han, Shabnam J. Semnani
wiley   +1 more source

Single‐Asperity Friction and Wear in Seismic Faults: 2. DEM Simulations

open access: yesJournal of Geophysical Research: Solid Earth, Volume 130, Issue 7, July 2025.
Abstract Seismic faults are rough, and their geometrical complexity is an important research topic. In this work, we present a numerical model dedicated to the simulation of friction and wear in an idealized fault asperity, taking inspiration from an experimental device used in a companion paper.
G. Mollon   +4 more
wiley   +1 more source

Phase field modelling of crack propagation, branching and coalescence in rocks

open access: yes, 2018
We present a phase field model (PFM) for simulating complex crack patterns including crack propagation, branching and coalescence in rock. The phase field model is implemented in COMSOL and is based on the strain decomposition for the elastic energy ...
Rabczuk, Timon   +3 more
core   +1 more source

Meshfree methods

open access: yes, 2004
The aim of this chapter is to provide an in-depth presentation and survey of meshfree particle methods. Several particle approximations are reviewed; the SPH method, corrected gradient methods and the moving least squares (MLS) approximation. The discrete equations are derived from a collocation scheme or a Galerkin method. Special attention is paid to
Huerta, Antonio   +3 more
openaire   +1 more source

Numerical Simulation of Transient Heat Conduction With Moving Heat Source Using Physics Informed Neural Networks

open access: yesInternational Journal of Mechanical System Dynamics, Volume 5, Issue 2, Page 345-353, June 2025.
ABSTRACT In this article, the physics informed neural networks (PINNs) is employed for the numerical simulation of heat transfer involving a moving source under mixed boundary conditions. To reduce computational effort and increase accuracy, a new training method is proposed that uses a continuous time‐stepping through transfer learning.
Anirudh Kalyan, Sundararajan Natarajan
wiley   +1 more source

Enhanced meshfree method with nodal integration for analysis of functionally graded material sandwich curved shells

open access: yesForces in Mechanics
This paper presents a nodal integration technique, the sub-domain stabilized conforming integration (SSCI), for the meshfree radial point interpolation method (RPIM) applied to the static and modal analysis of functionally graded material (FGM) sandwich ...
Thien Tich Truong   +3 more
doaj   +1 more source

Error estimates for a multidimensional meshfree Galerkin method with diffuse derivatives and stabilization

open access: yesIngeniería y Ciencia, 2013
A meshfree method with diffuse derivatives and a penalty stabilization is developed. An error analysis for the approximation of the solution of a general elliptic differential equation, in several dimensions, with Neumann boundary conditions is provided ...
Mauricio Osorio, Donald French
doaj   +1 more source

Pressure–impulse diagrams of RC beams considering fire–blast interaction

open access: yesStructural Concrete, Volume 26, Issue 3, Page 3305-3318, June 2025.
Abstract When analyzing military, defense, or structures/infrastructures deemed critical, explosion‐induced actions—often associated with malicious actions—play a significant role. The combined effect of a blast and fire is not uncommon: in fact, an explosion can be the extreme consequence of a fire or vice versa, a fire can occur as the result of an ...
Matteo Colombo, Paolo Martinelli
wiley   +1 more source

Lagrangian meshfree finite difference particle method with variable smoothing length for solving wave equations

open access: yesAdvances in Mechanical Engineering, 2018
In a Lagrangian meshfree particle-based method, the smoothing length determines the size of the support domain for each particle. Since the particle distribution is irregular and uneven in most cases, a fixed smoothing length sometime brings too much or ...
Sheng Wang, Yong Ou Zhang, Jing Ping Wu
doaj   +1 more source

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