Finite Element Analysis of Thin-Walled Structures
By J. W. Bull [Only registered and activated users can see links. ]
Description
Although this book is neither a comprehensive text nor a complete handbook on finite element (FE) analysis, the book would be a definite asset to practicing engineers involved with analysis and design of thin-walled structures. The book can also be a valuable reference to graduate and undergraduate students in their first course on FE analysis. Anyone who is venturing into practical use of the FE method can find useful reading in this book.
In one chapter, the structure of FE computer programs including many tips on program developments and problems which can be encountered in modifying existing programs are given. The chapter also provides guidance on how to select a FE software package, steps in familiarization with programs, and warnings against misuses. List of commercially available FE programs is given, indicating their capabilities and limitations. Another chapter emphasizes errors that can occur. It also shows that elements have limitations and may not give accurate results for all applications. User confidence should be established by testing. Patch and single element tests are described. Inaccuracies related to element aspect ratios and element distortions and mesh idealization of structures are discussed. The chapter also include a demonstration of ill-conditioned equations that can occur. Chapter 4 gives derivation of one-, two-, and three-dimensional elements. Formulation of geometric stiffness matrices is also included. Chapters 1 and 4 can serve as good introduction to the FE analysis.
A good presentation of FE analysis of axisymmetric thin shells, including discussion of material and geometric nonlinearities, can be found in Chap. 5. The last two chapters discuss use of FE analysis in the design of steel structures for ships and offshore platforms. The structural components in these are mainly in the form of thin plates with extensive stiffeners or in the form of thinwalled tubular members. The finite element idealizations for analyses of the response of the structure as a whole or of local portion are discussed with examples from practice. Although the book is written by eight authors it treats well one theme. The readers will not be inconvenienced by the lack of coordination frequently encountered when a book is written by such number of authors.
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