Analysis of high-frequency ANCF modes: Navier–Stokes physical damping and implicit numerical integration
Sign Up to like & getrecommendations! Published in 2019 at "Acta Mechanica"
DOI: 10.1007/s00707-019-02409-8
Abstract: This paper is concerned with the study of the high-frequency modes resulting from the use of the finite element absolute nodal coordinate formulation (ANCF) in multibody system (MBS) applications. The coupling between the cross-sectional deformations… read more here.
Keywords: ancf; frequency modes; high frequency; frequency ... See more keywords
Numerical integration for the inverse dynamics of a large class of cranes
Sign Up to like & getrecommendations! Published in 2019 at "Multibody System Dynamics"
DOI: 10.1007/s11044-019-09691-3
Abstract: A recently developed index reduction method is applied to comparatively complicated underactuated mechanical systems in the context of inverse dynamics. The inverse dynamics formulation is carried out by employing servo constraints in which the outputs… read more here.
Keywords: inverse dynamics; numerical integration; index; index reduction ... See more keywords
On the numerical integration of the undamped harmonic oscillator driven by independent additive gaussian white noises
Sign Up to like & getrecommendations! Published in 2019 at "Applied Numerical Mathematics"
DOI: 10.1016/j.apnum.2018.12.001
Abstract: Abstract The stochastic exponential method is applied to solve the undamped linear stochastic oscillator driven by a multidimensional Wiener process. The proposed additive noise model is new since the disturbances are introduced in the equivalent… read more here.
Keywords: undamped harmonic; oscillator; harmonic oscillator; oscillator driven ... See more keywords
A meshfree finite volume method with optimal numerical integration and direct imposition of essential boundary conditions
Sign Up to like & getrecommendations! Published in 2020 at "Applied Numerical Mathematics"
DOI: 10.1016/j.apnum.2020.02.005
Abstract: Abstract Meshfree methods (MMs) enjoy advantages in discretizing problem domains over mesh-based methods. Extensive progress has been made in the development of the MMs in the last three decades. The commonly used MMs, such as… read more here.
Keywords: essential boundary; volume; boundary conditions; finite volume ... See more keywords
Scaled boundary cubature scheme for numerical integration over planar regions with affine and curved boundaries
Sign Up to like & getrecommendations! Published in 2021 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2021.113796
Abstract: Abstract This paper introduces the scaled boundary cubature (SBC) scheme for accurate and efficient integration of functions over polygons and two-dimensional regions bounded by parametric curves. Over two-dimensional domains, the SBC method reduces integration over… read more here.
Keywords: integration; scaled boundary; numerical integration; scheme ... See more keywords
Implicit numerical integration of highly nonlinear plasticity models
Sign Up to like & getrecommendations! Published in 2021 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2020.103961
Abstract: Abstract When using an implicit numerical integration algorithm to implement a highly nonlinear elasto-plastic constitutive models in FEM simulations, some difficulties would encounter including Jacobian matrix singularity and non-convergence. Based on the composition of the… read more here.
Keywords: implicit algorithms; integration highly; highly nonlinear; implicit numerical ... See more keywords
Numerical integration of an elasto-plastic critical state model for soils under unsaturated conditions
Sign Up to like & getrecommendations! Published in 2021 at "Computers and Geotechnics"
DOI: 10.1016/j.compgeo.2021.104299
Abstract: Abstract This paper presents the complete set of incremental equations for the numerical integration of the Glasgow Coupled Model (GCM) and a comprehensive algorithm for its numerical integration. The incremental formulation proposed is expressed in… read more here.
Keywords: integration; model; numerical integration; error ... See more keywords
Numerical Integration of the Function with Twin Boundary Layers
Sign Up to like & getrecommendations! Published in 2025 at "Wuhan University Journal of Natural Sciences"
DOI: 10.1051/wujns/2025302139
Abstract: Traditional numerical integration requires sufficient smoothness of the integrand to achieve high-order algebraic accuracy. If the function has a boundary layer with large gradient, the composite integration formula on the uniform mesh will produce very… read more here.
Keywords: integration; function; numerical integration; twin boundary ... See more keywords
An analytic implementation of the IR-resummation for the BAO peak
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2020/03/018
Abstract: We develop an analytic method for implementing the IR-resummation of arXiv:1404.5954, which allows one to correctly and consistently describe the imprint of baryon acoustic oscillations (BAO) on statistical observables in large-scale structure. We show that… read more here.
Keywords: cosmology; numerical integration; method; resummation ... See more keywords
An Efficient Curved Patches-Based Meshing Method for Calculating EM Performance of BoR Radomes
Sign Up to like & getrecommendations! Published in 2025 at "IEEE Antennas and Wireless Propagation Letters"
DOI: 10.1109/lawp.2024.3493239
Abstract: The planar patches or nonuniform rational B-spline surfaces-based meshing methods usually lead to low accuracy or efficiency of numerical integration of physical optics. So, a general, accurate, and efficient curved patches-based meshing method is proposed.… read more here.
Keywords: efficient curved; patches based; based meshing; numerical integration ... See more keywords
Hydrodynamic Parameters Estimation Using Varying Forces and Numerical Integration Fitting Method
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Robotics and Automation Letters"
DOI: 10.1109/lra.2022.3205126
Abstract: This paper presents a new experimental method for the estimation of hydrodynamic parameters of underwater vehicles, namely the added mass and drag coefficients. The principle is to accurately record the movement of the vehicle in… read more here.
Keywords: hydrodynamic parameters; fitting method; numerical integration; integration fitting ... See more keywords