Results 31 to 40 of about 8,011 (280)
Quadrature Methods for Stiff Ordinary Differential Systems [PDF]
Mathematics of Computation, 1981 The quadrature methods are based upon a substitution of an explicit A -stable first approximation into a generalized convolution formula. They are A -stable, explicit, and of arbitrarily high order. The generalized convolution formula is derived and its
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Sensors, 2021 A quadrature fiber optic Fabry–Perot cavity microphone based on a differential cross multiplication algorithm consists of a pair of fibers and a membrane.
Baokai Ren +6 more
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Reducing the computational requirements of the differential quadrature method
Numerical Methods for Partial Differential Equations, 1996 This paper shows that the weighting coefficient matrices of the differential quadrature method (DQM) are centrosymmetric or skew-centrosymmetric if the grid spacings are symmetric irrespective of whether they are equal or unequal. A new skew centrosymmetric matrix is also discussed.
W. Chen, Xinwei Wang, Yongxi Yu
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Analysis of Sandwich Plates by Generalized Differential Quadrature Method [PDF]
Mathematical Problems in Engineering, 2013 We combine a layer-wise formulation and a generalized differential quadrature technique for predicting the static deformations and free vibration behaviour of sandwich plates. Through numerical experiments, the capability and efficiency of this strong-form technique for static and vibration problems are demonstrated, and the numerical accuracy and ...
A. J. M. Ferreira +4 more
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Numerical methods for boundary value problems on random domains [PDF]
, 2014 In this thesis, we consider the numerical solution of elliptic boundary value problems on random domains. The underlying domain is modelled via a random vector field which is given by its mean and its covariance.
Peters, Michael
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Computer Assisted Methods in Engineering and Science, 2022 The paper deals with the application of the differential quadrature method based on a piecewise polynomial to the nonlinear vibration analysis of beams. The initial-boundary-value problem is solved to study the computational stability of the method. The
Artur Krowiak
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A Survey of Interlayer Interaction Models for Graphene and Other 2D Materials
Advanced Materials Interfaces, EarlyView.Van der Waals interactions arising from electronic polarization at atomically close interfaces generate corrugated interlayer energy landscapes that govern normal and tangential tractions. This review presents an overview of quantum, atomistic, analytical, and continuum modeling approaches, highlighting their roles across length scales in capturing ...
Gourav Yadav +2 more
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Results in Physics, 2021 In this research paper, our main objective is to represent a direct numerical approach for solving time-fractional Burger’s equation using modified hybrid B-spline basis function. The Caputo derivative is used to discretize the time-fractional derivative
Muhammad Sadiq Hashmi +4 more
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Differential quadrature element analysis using extended differential quadrature
, 2000 The extended differential quadrature (EDQ) has been proposed. A certain order derivative or partial derivative of the variable function with respect to the coordinate variables at an arbitrary discrete point is expressed as a weighted linear sum of the ...
Chen, Chang-New
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Advanced Optical Materials, EarlyView.Negatively charged boron vacancy defects in hexagonal boron nitride promise near‐surface quantum sensing, but their internal spin transition rates are only partly understood. This work directly measures the defect's singlet‐state lifetime, 15(3) ns, using a nanosecond rise‐time dual‐pulse photoluminescence‐recovery method, and shows that high laser ...
Richard A. Escalante +11 more
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