Physics-based Computational Methods For Nonlinear Framed Structures And Platesshells

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English | 2025 | ISBN: 9819808219 | 464 Pages | PDF (True) | 61 MB
This book is an updated, accessible approach to nonlinear structural analysis, focusing on the physical interpretation of nonlinear behaviors in framed structures. Unlike its predecessor, which was mathematically oriented, this revised edition simplifies the analysis by using the universally valid 'rigid body rule,' emphasizing physical understanding over intricate mathematical formulations.Covering key structural forms ― plane and space trusses, plane and space frames ― the book addresses nonlinearities that occur in structures due to large deformations under loads. By employing the finite element method (FEM), specifically the stiffness-based formulation, the work offers practical insights into nonlinear behaviors, including buckling, geometric stiffness, and the unique 3D rotational behavior of moments. Throughout, clear examples and closed-form solutions enhance understanding, and guidance on path-tracing methods addresses challenges like postbuckling and critical points.This book is ideal for researchers, practicing engineers, and students aiming for a practical, physically grounded perspective on nonlinear structural analysis, particularly for complex framed structures where traditional FEM approaches fall short.