Search Results - Point Collocation
-
1
Point collocation with mollified piecewise polynomial approximants for high‐order partial differential equations
ISSN: 0029-5981, 1097-0207Published: Hoboken, USA John Wiley & Sons, Inc 30.09.2024Published in International journal for numerical methods in engineering (30.09.2024)“… In this work, we exploit the high‐order and high‐smoothness properties of the mollified basis functions for solving PDEs through the point collocation method…”
Get full text
Journal Article -
2
Machine Learning Optimization of the Collocation Point Set for Solving the Kohn-Sham Equation
ISSN: 1520-5215, 1520-5215Published: United States 12.12.2019Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (12.12.2019)“… Collocation points can be restricted to a small region of space. As no integrals are computed, there are no problems due to discontinuities in the potential, and there is no need to use integrable basis functions…”
Get more information
Journal Article -
3
Comparison of the Point-Collocation Non-Intrusive Polynomial (NIPC) and Non-Intrusive Spectral Projection (NISP) Methods for the γ − R θ Transition Model
ISSN: 2076-3417, 2076-3417Published: Basel MDPI AG 01.04.2019Published in Applied sciences (01.04.2019)“…In the present work, a comparative study of two major non-intrusive polynomial chaos methods, Point-Collocation Non-Intrusive Polynomial Chaos (NIPC…”
Get full text
Journal Article -
4
Free vibration of viscoelastic foam plates based on single-term Bubnov–Galerkin, least squares, and point collocation methods
ISSN: 1385-2000, 1573-2738Published: Dordrecht Springer Netherlands 01.09.2021Published in Mechanics of time-dependent materials (01.09.2021)“…–Galerkin, least squares, and point collocation methods on the free vibration behavior of viscoelastic plates…”
Get full text
Journal Article -
5
Enhancing PINNs for solving PDEs via adaptive collocation point movement and adaptive loss weighting
ISSN: 0924-090X, 1573-269XPublished: Dordrecht Springer Netherlands 01.08.2023Published in Nonlinear dynamics (01.08.2023)“… The model draws on the idea of traditional adaptive methods and incorporates the adaptive collocation point movement method into the PINNs model…”
Get full text
Journal Article -
6
A meshless point collocation solver for elliptic boundary value problems
ISSN: 0096-3003Published: Elsevier Inc 01.02.2026Published in Applied mathematics and computation (01.02.2026)“…•We develop a strong-form meshless point collocation (MPC) solver for the Poisson equation in 2D and 3D…”
Get full text
Journal Article -
7
A meshfree point collocation method for elliptic interface problems
ISSN: 0307-904XPublished: Elsevier Inc 01.01.2023Published in Applied mathematical modelling (01.01.2023)“…•Meshfree hybrid discretization of the diffusion operator with discontinuous coefficients.•Formulation of a conservative scheme to enforce Neumann boundary…”
Get full text
Journal Article -
8
Lattice-Boltzmann and meshless point collocation solvers for fluid flow and conjugate heat transfer
ISSN: 0271-2091, 1097-0363Published: Chichester, UK John Wiley & Sons, Ltd 20.12.2012Published in International journal for numerical methods in fluids (20.12.2012)“…SUMMARY The applicability and performance of the lattice‐Boltzmann (LB) and meshless point collocation methods as CFD solvers in flow and conjugate heat transfer processes are investigated in this work. Lid…”
Get full text
Journal Article -
9
Point collocation methods using the fast moving least-square reproducing kernel approximation
ISSN: 0029-5981, 1097-0207Published: Chichester, UK John Wiley & Sons, Ltd 14.03.2003Published in International journal for numerical methods in engineering (14.03.2003)“…A pseudo‐spectral point collocation meshfree method is proposed. We apply a scheme of approximating derivatives based on the moving least…”
Get full text
Journal Article -
10
Bernoulli collocation method for the third-order Lane-Emden-Fowler boundary value problem
ISSN: 0168-9274Published: Elsevier B.V 01.04.2023Published in Applied numerical mathematics (01.04.2023)“…We propose two efficient numerical algorithms, Bernoulli uniform collocation method and Bernoulli Chebyshev collocation method for solving 3rd-order Lane-Emden-Fowler boundary value problems…”
Get full text
Journal Article -
11
Meshfree point collocation method for the stream-vorticity formulation of 2D incompressible Navier–Stokes equations
ISSN: 0045-7825, 1879-2138Published: Amsterdam Elsevier B.V 01.07.2007Published in Computer methods in applied mechanics and engineering (01.07.2007)“…Meshfree point collocation method is developed for the stream-vorticity formulation of two-dimensional incompressible Navier–Stokes equations…”
Get full text
Journal Article -
12
Simulation–optimization model for groundwater contamination remediation using meshfree point collocation method and particle swarm optimization
ISSN: 0256-2499, 0973-7677Published: India Springer-Verlag 01.06.2012Published in Sadhana (Bangalore) (01.06.2012)“…Remediation of the groundwater contamination problem is a tedious, time consuming and expensive process. Pump and treat (PAT) is one of the commonly used…”
Get full text
Journal Article -
13
Physics-informed neural ODE (PINODE): embedding physics into models using collocation points
ISSN: 2045-2322, 2045-2322Published: London Nature Publishing Group UK 22.06.2023Published in Scientific reports (22.06.2023)“… We propose aiding a model’s training with the knowledge of physics using a collocation-based physics-informed loss term…”
Get full text
Journal Article -
14
Meshless point collocation for the numerical solution of Navier–Stokes flow equations inside an evaporating sessile droplet
ISSN: 0955-7997, 1873-197XPublished: Kidlington Elsevier Ltd 01.02.2012Published in Engineering analysis with boundary elements (01.02.2012)“… Two meshless point collocation methods are applied here to this problem and used for flow computations and for comparison with analytical and more traditional numerical solutions…”
Get full text
Journal Article -
15
Optimal remediation design and simulation of groundwater flow coupled to contaminant transport using genetic algorithm and radial point collocation method (RPCM)
ISSN: 0048-9697, 1879-1026, 1879-1026Published: Netherlands Elsevier B.V 15.06.2019Published in The Science of the total environment (15.06.2019)“…The simulation-optimisation models of groundwater and contaminant transport can be a powerful tool in the management of groundwater resources and remediation…”
Get full text
Journal Article -
16
A New Statistical Method for Analyzing Point Collocations
ISSN: 0033-0124, 1467-9272Published: Washington Routledge 03.09.2025Published in The Professional geographer (03.09.2025)“…This article proposes a new method for analyzing the collocation of spatial objects represented as points…”
Get full text
Journal Article -
17
Collocation-variation difference schemes with several collocation points for differential-algebraic equations
ISSN: 0168-9274, 1873-5460Published: Elsevier B.V 01.03.2020Published in Applied numerical mathematics (01.03.2020)“… We propose collocation-variation difference schemes with several collocation points and show the principal difference between these approaches and the known difference schemes…”
Get full text
Journal Article -
18
An adaptive local maximum entropy point collocation method for linear elasticity
ISSN: 0045-7949, 1879-2243Published: New York Elsevier Ltd 01.11.2021Published in Computers & structures (01.11.2021)“…•Combined rh-adaptivity is applied to the local maximum entropy point collocation method for the first time…”
Get full text
Journal Article -
19
The point collocation method with a local maximum entropy approach
ISSN: 0045-7949, 1879-2243Published: New York Elsevier Ltd 01.05.2018Published in Computers & structures (01.05.2018)“…•Maximum entropy approximation is combined with point collocation for the first time…”
Get full text
Journal Article -
20
A meshless point collocation method for 2-D multi-term time fractional diffusion-wave equation
ISSN: 1017-1398, 1572-9265Published: New York Springer US 01.04.2017Published in Numerical algorithms (01.04.2017)“…In this paper, a meshless collocation method is considered to solve the multi-term time fractional diffusion-wave equation in two dimensions…”
Get full text
Journal Article