1st Edition

Advanced Differential Quadrature Methods

By Zhi Zong, Yingyan Zhang Copyright 2009
362 Pages 112 B/W Illustrations
by Chapman & Hall

362 Pages 112 B/W Illustrations
by Chapman & Hall

362 Pages
by Chapman & Hall

Modern Tools to Perform Numerical Differentiation The original direct differential quadrature (DQ) method has been known to fail for problems with strong nonlinearity and material discontinuity as well as for problems involving singularity, irregularity, and multiple scales. But now researchers in applied mathematics, computational mechanics, and engineering have developed a range of... Read more

Approximation and Differential Quadrature

Approximation and best approximation

Interpolating bases

Differential quadrature (DQ)

Direct DQ method

Block marching in time with DQ discretization

Implementation of boundary conditions

Conclusions

Complex Differential Quadrature Method

DQ in the complex plane

Complex DQ method for potential problems

Complex DQ method for plane linear elastic problems

Conformal mapping-aided complex DQ

Conclusions

Triangular Differential Quadrature Method

Triangular DQ method in standard triangle

Triangular DQ method in curvilinear triangle

Geometric transformation

Governing equations of Reissner–Mindlin plates on Pasternak foundation

Conclusions

Multiple Scale Differential Quadrature Method

Multi-scale DQ method for potential problems

Solutions of potential problems

Successive over-relaxation (SOR)-based multi-scale DQ method

Asymptotic multi-scale DQ method

DQ solution to multi-scale poroelastic problems

Conclusions

Variable Order Differential Quadrature Method

Direct DQ discretization and dynamic numerical instability

Variable order approach

Improvement of temporal integration

Conclusions

Multi-Domain Differential Quadrature Method

Linear plane elastic problems with material discontinuity

A multi-domain approach for numerical treatment of material discontinuity

Multi-domain DQ method for irregular domain

Multi-domain DQ formulation of plane elastic problems

Conclusions

Localized Differential Quadrature Method

DQ and its spatial discretization of the wave equation

Stability analysis

Coordinate-based localized DQ

Spline-based localized DQ method

Conclusions

Mathematical Compendium

Gauss elimination

SOR method

One-dimensional band storage

Runge–Kutta method (constant time step)

Complex analysis

QR algorithm

Codes

DQ for numerical evaluation of function cos(x)

Complex DQ for harmonic problem

Localized DQ method

References

Index

Biography

Yingyan Zhang, Zhi Zong