<![CDATA[Civil Engineering Association - Finite Element Methods]]>

<![CDATA[Civil Engineering Association - Finite Element Methods]]> https://forum.civilea.com/ Tue, 28 Apr 2026 17:41:19 +0000 MyBB <![CDATA[Solving Complex Problems for Structures and Bridges using ABAQUS Finite Element Packa]]> https://forum.civilea.com/thread-56583.html Tue, 26 Oct 2021 22:52:59 +0300 carolinandra]]> https://forum.civilea.com/thread-56583.html Solving Complex Problems for Structures and Bridges using ABAQUS Finite Element Package

This book aims to present specific complicated and puzzling challenges encountered for application of the Finite Element Method (FEM) in solving Structural Engineering problems by using ABAQUS software, which can fully utilize this method in complex simulation and analysis.

Therefore, an attempt has been to demonstrate the all process for modeling and analysis of impenetrable problems through simplified step by step illustrations with presenting screenshots from software in each part and also showing graphs.

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]]> <![CDATA[Finite Elements for Truss and Frame Structures]]> https://forum.civilea.com/thread-55431.html Sun, 30 Dec 2018 03:18:45 +0200 carolinandra]]> https://forum.civilea.com/thread-55431.html Finite Elements for Truss and Frame Structures

Author(s)/Editor(s): Andreas Öchsner | Size: 5.66 MB | Format: PDF | Quality: Original preprint | Publisher: Springer | Year: 2019 | pages: 129 | ISBN: ISBN-10: 3319949403 ISBN-13: 978-3319949406

This book is intended as an essential study aid for the finite element method. Based on the free computer algebra system Maxima, the authors offer routines for symbolically or numerically solving problems in the context of plane truss and frame structures, allowing readers to check classical ‘hand calculations’ on the one hand and to understand the computer implementation of the method on the other. The mechanical theories focus on the classical one-dimensional structural elements, i.e. bars, Euler–Bernoulli and Timoshenko beams, and their combination to generalized beam elements. Focusing on one-dimensional elements reduces the complexity of the mathematical framework, and the resulting matrix equations can be displayed with all components and not merely in the form of a symbolic representation. In addition, the use of a computer algebra system and the incorporated functions, e.g. for equation solving, allows readers to focus more on the methodology of the finite element method and not on standard procedures.

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]]> <![CDATA[What Every Engineer Should Know about Computational Techniques of Finite Element Anal]]> https://forum.civilea.com/thread-55250.html Thu, 06 Sep 2018 16:34:31 +0300 febo927]]> https://forum.civilea.com/thread-55250.html What Every Engineer Should Know about Computational Techniques of Finite Element Analysis

Author(s)/Editor(s): Louis Komzsik | Size: 4 MB | Format: PDF | Quality: Original preprint | Publisher: CRC Press | Year: 2009 | pages: 331 | ISBN: 9781439802946

Finite element analysis (FEA) has become the dominant tool of analysis in many industrial fields of engineering, particularly in mechanical and aerospace engineering. This process requires significant computational work divided into several distinct phases. What Every Engineer Should Know About Computational Techniques of Finite Element Analysis offers a concise, self-contained treatment of FEA and all of the tools needed for efficient use and practical implementation.

This book provides you with a walk-through of the process from the physical model to the computed solution. Based on the author's thirty years of practical experience in finite element analysis in the shipbuilding, aerospace, and automobile industries, it describes the transformation of the physical problem into a mathematical model, reduction of the model to a more efficient, numerically solvable form, and the solution of the problem using specific computational techniques. The author discusses time and frequency domain solutions as used in practice, as well as the representation of the computed results.

What Every Engineer Should Know About Computational Techniques of Finite Element Analysis serves as a to-the-point guide to using or implementing FEA for both beginners and everyday users who must apply the finite element method to your daily work. The techniques can be easily executed in most available FEA software packages.

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]]> <![CDATA[Model Order Reduction Techniques with Applications in Finite Element Analysis]]> https://forum.civilea.com/thread-55248.html Thu, 06 Sep 2018 15:33:47 +0300 febo927]]> https://forum.civilea.com/thread-55248.html Model Order Reduction Techniques with Applications in Finite Element Analysis

Author(s)/Editor(s): Zu-Qing Qu | Size: 11 MB | Format: PDF | Quality: Scanner | Publisher: Springer-Verlag London | Year: 2004 | pages: 369 | ISBN: 978-1-85233-807-7

Despite the continued rapid advance in computing speed and memory the increase in the complexity of models used by engineers persists in outpacing them. Even where there is access to the latest hardware, simulations are often extremely computationally intensive and time-consuming when full-blown models are under consideration.

The need to reduce the computational cost involved when dealing with high-order/many-degree-of-freedom models can be offset by adroit computation. In this light, model-reduction methods have become a major goal of simulation and modeling research. Model reduction can also ameliorate problems in the correlation of widely used finite-element analyses and test analysis models produced by excessive system complexity.

Model Order Reduction Techniques explains and compares such methods focusing mainly on recent work in dynamic condensation techniques:

- Compares the effectiveness of static, exact, dynamic, SEREP and iterative-dynamic condensation techniques in producing valid reduced-order models;

- Shows how frequency shifting and the number of degrees of freedom affect the desirability and accuracy of using dynamic condensation;

- Answers the challenges involved in dealing with undamped and non-classically damped models;

- Requires little more than first-engineering-degree mathematics and highlights important points with instructive examples.

Academics working in research on structural dynamics, MEMS, vibration, finite elements and other computational methods in mechanical, aerospace and structural engineering will find Model Order Reduction Techniques of great interest while it is also an excellent resource for researchers working on commercial finite-element-related software such as ANSYS and Nastran.

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]]> <![CDATA[Computational Statics and Dynamics]]> https://forum.civilea.com/thread-55238.html Fri, 24 Aug 2018 20:03:52 +0300 febo927]]> https://forum.civilea.com/thread-55238.html Computational Statics and Dynamics

Author(s)/Editor(s): Andreas Öchsner | Size: 12 MB | Format: PDF | Quality: Original preprint | Publisher: Springer Singapore | Year: 2016 | pages: 485 | ISBN: 978-981-10-0732-3

This book introduces readers to modern computational mechanics based on the finite element method. It helps students succeed in mechanics courses by showing them how to apply the fundamental knowledge they gained in the first years of their engineering education to more advanced topics.

In order to deepen readers’ understanding of the derived equations and theories, each chapter also includes supplementary problems. These problems start with fundamental knowledge questions on the theory presented in the chapter, followed by calculation problems. In total over 80 such calculation problems are provided, along with brief solutions for each.

This book is especially designed to meet the needs of Australian students, reviewing the mathematics covered in their first two years at university. The 13-week course comprises three hours of lectures and two hours of tutorials per week.

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]]> <![CDATA[The Scaled Boundary Finite Element Method]]> https://forum.civilea.com/thread-55189.html Sun, 29 Jul 2018 20:49:49 +0300 amindoxiti]]> https://forum.civilea.com/thread-55189.html The Scaled Boundary Finite Element Method

Author(s)/Editor(s): Chongmin Song | Size: 11 MB | Format: PDF | Quality: Original preprint | Publisher: Wiley | Year: 2018 | pages: 499 | ISBN: 1119388155, ISBN13: 9781119388159

This reliable resource, complete with MATLAB, is an easy-to-understand introduction to the fundamental principles of the scaled boundary finite element method. It establishes the theory of the scaled boundary finite element method systematically as a general numerical procedure, providing the reader with a sound knowledge to expand the applications of this method to a broader scope. The book also presents the applications of the scaled boundary finite element to illustrate its salient features and potentials.

The Scaled Boundary Finite Element Method: Introduction to Theory and Implementation covers the static and dynamic stress analysis of solids in two and three dimensions. The relevant concepts, theory and modelling issues of the scaled boundary finite element method are discussed and the unique features of the method are highlighted. The applications in computational fracture mechanics are detailed with numerical examples. A unified mesh generation procedure based on quadtree/octree algorithm is described. It also presents examples of fully automatic stress analysis of geometric models in NURBS, STL and digital images.

Written in lucid and easy to understand language by the co-inventor of the scaled boundary element method
Provides MATLAB as an integral part of the book with the code cross-referenced in the text and the use of the code illustrated by examples
Presents new developments in the scaled boundary finite element method with illustrative examples so that readers can appreciate the significant features and potentials of this novel method—especially in emerging technologies such as 3D printing, virtual reality, and digital image-based analysis
The Scaled Boundary Finite Element Method: Introduction to Theory and Implementation is an ideal book for researchers, software developers, numerical analysts, and postgraduate students in many fields of engineering and science.

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]]> <![CDATA[The Finite Element Method for Initial Value Problems]]> https://forum.civilea.com/thread-55188.html Sat, 28 Jul 2018 16:24:08 +0300 amindoxiti]]> https://forum.civilea.com/thread-55188.html The Finite Element Method for Initial Value Problems

Author(s)/Editor(s): Karan S. Surana , J. N. Reddy | Size: 13 MB | Format: PDF | Quality: Original preprint | Publisher: CRC Press | Year: 2017 | pages: 631 | ISBN: 1138576379, ISBN-13: 9781138576377

Unlike most finite element books that cover time dependent processes (IVPs) in a cursory manner, The Finite Element Method for Initial Value Problems: Mathematics and Computations focuses on the mathematical details as well as applications of space-time coupled and space-time decoupled finite element methods for IVPs. Space-time operator classification, space-time methods of approximation, and space-time calculus of variations are used to establish unconditional stability of space-time methods during the evolution. Space-time decoupled methods are also presented with the same rigor. Stability of space-time decoupled methods, time integration of ODEs including the finite element method in time are presented in detail with applications. Modal basis, normal mode synthesis techniques, error estimation, and a posteriori error computations for space-time coupled as well as space-time decoupled methods are presented. This book is aimed at a second-semester graduate level course in FEM.

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]]> <![CDATA[Extended Finite Element Method-1st Edition]]> https://forum.civilea.com/thread-55183.html Thu, 26 Jul 2018 21:45:35 +0300 febo927]]> https://forum.civilea.com/thread-55183.html Extended Finite Element Method 1st Edition

Author(s)/Editor(s): Zhuo Zhuang, Zhanli Liu, Binbin Cheng, Jianhui Liao | Size: 20 MB | Format: PDF | Quality: Original preprint | Publisher: Academic Press | Year: 2014 | pages: 286 | ISBN: 9780124077171

Extended Finite Element Method provides an introduction to the extended finite element method (XFEM), a novel computational method which has been proposed to solve complex crack propagation problems. The book helps readers understand the method and make effective use of the XFEM code and software plugins now available to model and simulate these complex problems.

The book explores the governing equation behind XFEM, including level set method and enrichment shape function. The authors outline a new XFEM algorithm based on the continuum-based shell and consider numerous practical problems, including planar discontinuities, arbitrary crack propagation in shells and dynamic response in 3D composite materials.

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]]> <![CDATA[Equilibrium Finite Element Formulations]]> https://forum.civilea.com/thread-55178.html Tue, 24 Jul 2018 15:38:23 +0300 febo927]]> https://forum.civilea.com/thread-55178.html Equilibrium Finite Element Formulations

Author(s)/Editor(s): J. P. Moitinho de Almeida, Edward A. Maunder | Size: 9 MB | Format: PDF | Quality: Original preprint | Publisher: Wiley | Year: 2017 | pages: 296 | ISBN: 1118424158 / 978-1118424155

A comprehensive treatment of the theory and practice of equilibrium finite element analysis in the context of solid and structural mechanics

Equilibrium Finite Element Formulations is an up to date exposition on hybrid equilibrium finite elements, which are based on the direct approximation of the stress fields. The focus is on their derivation and on the advantages that strong forms of equilibrium can have, either when used independently or together with the more conventional displacement based elements. These elements solve two important problems of concern to computational structural mechanics: a rational basis for error estimation, which leads to bounds on quantities of interest that are vital for verification of the output and provision of outputs immediately useful to the engineer for structural design and assessment.

Key features:

-Unique in its coverage of equilibrium – an essential reference work for those seeking solutions that are strongly equilibrated. The approach is not widely known, and should be of benefit to structural design and assessment.
-Thorough explanations of the formulations for: 2D and 3D continua, thick and thin bending of plates and potential problems; covering mainly linear aspects of behaviour, but also with some excursions into non-linearity.
-Highly relevant to the verification of numerical solutions, the basis for obtaining bounds of the errors is explained in detail.
-Simple illustrative examples are given, together with their physical interpretations.
-The most relevant issues regarding the computational implementation of this approach are presented.

When strong equilibrium and finite elements are to be combined, the book is a must-have reference for postgraduate students, researchers in software development or numerical analysis, and industrial practitioners who want to keep up to date with progress in simulation tools.

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]]> <![CDATA[Automation of Finite Element Methods]]> https://forum.civilea.com/thread-55177.html Mon, 23 Jul 2018 16:11:22 +0300 febo927]]> https://forum.civilea.com/thread-55177.html Automation of Finite Element Methods

Author(s)/Editor(s): Jože Korelc, Peter Wriggers | Size: 16 MB | Format: PDF | Quality: Original preprint | Publisher: Springer International Publishing | Year: 2016 | pages: 346 | ISBN: 978-3-319-39003-1

New finite elements are needed as well in research as in industry environments for thedevelopment of virtual prediction techniques. The design and implementation of novel finiteelements for specific purposes is a tedious and time consuming task, especially for nonlinearformulations. The automation of this process can help to speed up this processconsiderably since the generation of the final computer code can be accelerated by order ofseveral magnitudes.This book provides the reader with the required knowledge needed to employ modernautomatic tools like AceGen within solid mechanics in a successful way. It covers the rangefrom the theoretical background, algorithmic treatments to many different applications. Thebook is written for advanced students in the engineering field and for researchers ineducational and industrial environments.

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]]> <![CDATA[The Linearized Theory of Elasticity]]> https://forum.civilea.com/thread-55171.html Fri, 20 Jul 2018 16:11:09 +0300 febo927]]> https://forum.civilea.com/thread-55171.html The Linearized Theory of Elasticity

Author(s)/Editor(s): William S. Slaughter | Size: 25 MB | Format: PDF | Quality: Scanner | Publisher: Birkhäuser | Year: 2002 | pages: 572 | ISBN: 0817641173 / 978-0817641177

This book is derived from notes used in teaching a first-year graduate-level course in elasticity in the Department of Mechanical Engineering at the University of Pittsburgh. This is a modern treatment of the linearized theory of elasticity, which is presented as a specialization of the general theory of continuum mechanics. It includes a comprehensive introduction to tensor analysis, a rigorous development of the governing field equations with an emphasis on recognizing the assumptions and approximations in herent in the linearized theory, specification of boundary conditions, and a survey of solution methods for important classes of problems. Two- and three-dimensional problems, torsion of noncircular cylinders, variational methods, and complex variable methods are covered. This book is intended as the text for a first-year graduate course in me chanical or civil engineering. Sufficient depth is provided such that the text can be used without a prerequisite course in continuum mechanics, and the material is presented in such a way as to prepare students for subsequent courses in nonlinear elasticity, inelasticity, and fracture mechanics. Alter natively, for a course that is preceded by a course in continuum mechanics, there is enough additional content for a full semester of linearized elasticity.

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]]> <![CDATA[Modelling for Coastal Hydraulics and Engineering]]> https://forum.civilea.com/thread-55150.html Tue, 10 Jul 2018 16:56:42 +0300 febo927]]> https://forum.civilea.com/thread-55150.html Modelling for Coastal Hydraulics and Engineering

Author(s)/Editor(s): K. W. Chau | Size: 4 MB | Format: PDF | Quality: Original preprint | Publisher: CRC Press | Year: 2010 | pages: 232 | ISBN: 9780415482547

Mechanistic models are often employed to simulate processes in coastal environments. However, these predictive tools are highly specialized, involve certain assumptions and limitations, and can be manipulated only by experienced engineers who have a thorough understanding of the underlying principles. This results in significant constraints on their manipulation as well as large gaps in understanding and expectations between the developers and users of a model.

Recent advancements in soft computing technologies make it possible to integrate machine learning capabilities into numerical modelling systems in order to bridge the gaps and lessen the demands on human experts. This book reviews the state-of-the-art in conventional coastal modelling as well as in the increasingly popular integration of various artificial intelligence technologies into coastal modelling. Conventional hydrodynamic and water quality modelling techniques comprise finite difference and finite element methods. The novel algorithms and methods include knowledge-based systems, genetic algorithms, artificial neural networks, and fuzzy inference systems.

Different soft computing methods contribute towards accurate and reliable prediction of coastal processes. Combining these techniques and harnessing their benefits has the potential to make extremely powerful modelling tools.

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]]> <![CDATA[Boundary Elements in Dynamics]]> https://forum.civilea.com/thread-55131.html Thu, 28 Jun 2018 18:28:20 +0300 febo927]]> https://forum.civilea.com/thread-55131.html Boundary Elements in Dynamics

Author(s)/Editor(s): J. Dominguez | Size: 18 MB | Format: PDF | Quality: Scanner | Publisher: WIT Press / Computational Mechanics | Year: 1993 | pages: 702 | ISBN: 1853122580 / 978-1853122583

This book presents research on the Boundary Element Method in dynamics of continua. The main emphasis is on the development of the different boundary element formulations for time-dependent problems and the necessary mathematical transformations to produce computer codes that are able to solve scalar, elastic, and poroelastic wave propagation problems. A substantial part of the book also covers the application of the BEM to important engineering dynamic problems.

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]]> <![CDATA[The Boundary Element Method in Engineering: A Complete Course]]> https://forum.civilea.com/thread-55130.html Thu, 28 Jun 2018 18:24:19 +0300 febo927]]> https://forum.civilea.com/thread-55130.html The Boundary Element Method in Engineering: A Complete Course

Author(s)/Editor(s): A. A. Becker | Size: 11 MB | Format: PDF | Quality: Scanner | Publisher: McGraw-Hill | Year: 1992 | ISBN: 0077074394 / 978-0077074395

This book is written for engineering students and practicing engineers who have little knowledge of the boundary element method. Engineers and students have tended to be discouraged by complex mathematics usually employed in explaining this method, which has led to the popularity of the finite element method. This book attempts to redress the balance. It limits the mathematics to one chapter and breaks down the derivation of the formulation into logical steps, allowing the reader to focus on their particular applications. The book features coverage of all important boundary element applications, a step-by-step approach to the formulation and fully documented computer listing providing practical application solutions. It is aimed at research and development engineers and undergraduate and postgraduate students of applied mathematics, numerical computation and advanced mathematics in mechanical, civil and aeronautical departments.

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]]> <![CDATA[Fundamentals of Finite Element Analysis : Linear Finite Element Analysis]]> https://forum.civilea.com/thread-55075.html Sun, 10 Jun 2018 14:56:50 +0300 cace-01]]> https://forum.civilea.com/thread-55075.html Fundamentals of Finite Element Analysis : Linear Finite Element Analysis

Author(s)/Editor(s): Ioannis Koutromanos | Size: 28 MB | Format: PDF | Quality: Unspecified | Publisher: Wiley | Year: 2018 | pages: 729 | ISBN: 1119260086, 9781119260080

An introductory textbook covering the fundamentals of linear finite element analysis (FEA)

This book constitutes the first volume in a two-volume set that introduces readers to the theoretical foundations and the implementation of the finite element method (FEM). The first volume focuses on the use of the method for linear problems. A general procedure is presented for the finite element analysis (FEA) of a physical problem, where the goal is to specify the values of a field function. First, the strong form of the problem (governing differential equations and boundary conditions) is formulated. Subsequently, a weak form of the governing equations is established. Finally, a finite element approximation is introduced, transforming the weak form into a system of equations where the only unknowns are nodal values of the field function. The procedure is applied to one-dimensional elasticity and heat conduction, multi-dimensional steady-state scalar field problems (heat conduction, chemical diffusion, flow in porous media), multi-dimensional elasticity and structural mechanics (beams/shells), as well as time-dependent (dynamic) scalar field problems, elastodynamics and structural dynamics. Important concepts for finite element computations, such as isoparametric elements for multi-dimensional analysis and Gaussian quadrature for numerical evaluation of integrals, are presented and explained. Practical aspects of FEA and advanced topics, such as reduced integration procedures, mixed finite elements and verification and validation of the FEM are also discussed.

Fundamentals of Finite Element Analysis: Linear Finite Element Analysis is an ideal text for undergraduate and graduate students in civil, aerospace and mechanical engineering, finite element software vendors, as well as practicing engineers and anybody with an interest in linear finite element analysis.

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