Smoothed Point Interpolation Methods

G Space Theory and Weakened Weak Forms

Nonfiction, Science & Nature, Technology, Engineering, Mechanical, Aeronautics & Astronautics
Cover of the book Smoothed Point Interpolation Methods by G R Liu, G Y Zhang, World Scientific Publishing Company
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Author: G R Liu, G Y Zhang ISBN: 9789814452861
Publisher: World Scientific Publishing Company Publication: August 16, 2013
Imprint: WSPC Language: English
Author: G R Liu, G Y Zhang
ISBN: 9789814452861
Publisher: World Scientific Publishing Company
Publication: August 16, 2013
Imprint: WSPC
Language: English

Based on the widely used finite element method (FEM) and the latest Meshfree methods, a next generation of numerical method called Smoothed Point Interpolation Method (S-PIM) has been recently developed. The S-PIM is an innovative and effective combination of the FEM and the meshfree methods, and enables automation in computation, modeling and simulations — one of the most important features of the next generation methods.

This important book describes the various S-PIM models in a systematic, concise and easy-to-understand manner. The underlying principles for the next generation of computational methods, G space theory, novel weakened weak (W2) formulations, techniques for shape functions, formulation procedures, and implementation strategies are presented in detail. Numerous examples are provided to demonstrate the efficiency and accuracy of the S-PIM solutions in comparison with the FEM and other existing methods. Effective techniques to compute solution bounds employing both S-PIM and FEM are highlighted to obtain certified solutions with both upper and lower bounds.

The book also presents a systematically way to conduct adaptive analysis for solutions of desired accuracy using these bound properties, which is another key feature of the next generation of computational methods. This will benefit researchers, engineers and students who are venturing into new areas of research and computer code development.

Contents:

  • Preliminaries

  • G Spaces

  • PIM Shape Function Creation

  • Strain Field Construction

  • Weak and Weakened Weak Formulations

  • Node-Based Smoothed Point Interpolation Method (NS-PIM)

  • Edge-Based Smoothed Point Interpolation Method (ES-PIM)

  • Cell-Based Smoothed Point Interpolation Method (CS-PIM)

  • The Cell-Based Smoothed Alpha Radial Point Interpolation Method (CS-αRPIM)

  • Strain-Constructed Point Interpolation Method (SC-PIM)

  • S-PIM for Heat Transfer and Thermoelasticity Problems

  • Singular CS-RPIM for Fracture Mechanics Problems

  • Adaptive Analysis Using S-PIMs

  • Appendices: Program Codes Library:

    • Description of the Subroutines
    • A Demonstration Input File
    • Source Codes of Two Modules
    • Source Codes of the Common Subroutines

Readership: Researchers, practitioners, academics, and graduate students in engineering mechanics, mechanical engineering, aerospace engineering, civil engineering and computational physics.

View on Amazon View on AbeBooks View on Kobo View on B.Depository View on eBay View on Walmart

Based on the widely used finite element method (FEM) and the latest Meshfree methods, a next generation of numerical method called Smoothed Point Interpolation Method (S-PIM) has been recently developed. The S-PIM is an innovative and effective combination of the FEM and the meshfree methods, and enables automation in computation, modeling and simulations — one of the most important features of the next generation methods.

This important book describes the various S-PIM models in a systematic, concise and easy-to-understand manner. The underlying principles for the next generation of computational methods, G space theory, novel weakened weak (W2) formulations, techniques for shape functions, formulation procedures, and implementation strategies are presented in detail. Numerous examples are provided to demonstrate the efficiency and accuracy of the S-PIM solutions in comparison with the FEM and other existing methods. Effective techniques to compute solution bounds employing both S-PIM and FEM are highlighted to obtain certified solutions with both upper and lower bounds.

The book also presents a systematically way to conduct adaptive analysis for solutions of desired accuracy using these bound properties, which is another key feature of the next generation of computational methods. This will benefit researchers, engineers and students who are venturing into new areas of research and computer code development.

Contents:

Readership: Researchers, practitioners, academics, and graduate students in engineering mechanics, mechanical engineering, aerospace engineering, civil engineering and computational physics.

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