LAUSR

About LAUSR
Donate
Contact Us

Follow us:

You are not signed in:

Sign Up!


   Articles with "numerical integration" as a keyword



Photo by martindorsch from unsplash

Analysis of high-frequency ANCF modes: Navier–Stokes physical damping and implicit numerical integration

Sign Up to like & get
recommendations! 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
Photo by jordansteranka from unsplash

Numerical integration for the inverse dynamics of a large class of cranes

Sign Up to like & get
recommendations! 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
Photo by harrisonbroadbent from unsplash

On the numerical integration of the undamped harmonic oscillator driven by independent additive gaussian white noises

Sign Up to like & get
recommendations! 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
Photo from wikipedia

A meshfree finite volume method with optimal numerical integration and direct imposition of essential boundary conditions

Sign Up to like & get
recommendations! 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
Photo from wikipedia

Scaled boundary cubature scheme for numerical integration over planar regions with affine and curved boundaries

Sign Up to like & get
recommendations! 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
Photo by libraryofcongress from unsplash

Implicit numerical integration of highly nonlinear plasticity models

Sign Up to like & get
recommendations! 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
Photo by thinkmagically from unsplash

Numerical integration of an elasto-plastic critical state model for soils under unsaturated conditions

Sign Up to like & get
recommendations! 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
Photo from wikipedia

An analytic implementation of the IR-resummation for the BAO peak

Sign Up to like & get
recommendations! 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
Photo by mantasink from unsplash

Hydrodynamic Parameters Estimation Using Varying Forces and Numerical Integration Fitting Method

Sign Up to like & get
recommendations! 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
Photo by sarahdorweiler from unsplash

Modified THDRK methods for the numerical integration of the Schrödinger equation

Sign Up to like & get
recommendations! Published in 2020 at "International Journal of Modern Physics C"

DOI: 10.1142/s0129183120501491

Abstract: Modified three-derivative Runge–Kutta (MTHDRK) methods for the numerical solution of the resonant state for the Schrodinger equation are investigated. Order conditions are presented and oscillation... read more here.

Keywords: modified thdrk; thdrk methods; methods numerical; numerical integration ... See more keywords
Photo from wikipedia

An Efficient Dimension-Adaptive Numerical Integration Method for Stochastic Dynamic Analysis of Structures with Uncertain Parameters

Sign Up to like & get
recommendations! Published in 2020 at "International Journal of Structural Stability and Dynamics"

DOI: 10.1142/s0219455421500358

Abstract: This paper presents a novel dimension-adaptive numerical integration method for dynamic analysis of structures with stochastic parameters subjected to deterministic excitations. First, an efficient dimension-adaptive algorithm is proposed to detect the importance of each random… read more here.

Keywords: dimension; numerical integration; method; adaptive numerical ... See more keywords