Evaluation of Stress and Displacement of a Cantilever Beam Under a Uniformly Distributed Load Based on the Effects of Variation of Beam Lengths by Methods of Theory of Elasticity, Strength of Materials, and Finite Element Analysis PDF Download
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Author: Edmund Suen
Publisher:
ISBN:
Category : Elasticity
Languages : en
Pages :
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Book Description
Author: Edmund Suen
Publisher:
ISBN:
Category : Elasticity
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 1518
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Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 662
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Book Description
Author: Martin H. Sadd
Publisher: Elsevier
ISBN: 008047747X
Category : Technology & Engineering
Languages : en
Pages : 474
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Book Description
Although there are several books in print dealing with elasticity, many focus on specialized topics such as mathematical foundations, anisotropic materials, two-dimensional problems, thermoelasticity, non-linear theory, etc. As such they are not appropriate candidates for a general textbook. This book provides a concise and organized presentation and development of general theory of elasticity. This text is an excellent book teaching guide. Contains exercises for student engagement as well as the integration and use of MATLAB Software Provides development of common solution methodologies and a systematic review of analytical solutions useful in applications of
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1388
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Book Description
Author: Vitor Dias da Silva
Publisher: Springer Science & Business Media
ISBN: 354030813X
Category : Science
Languages : en
Pages : 532
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Book Description
Gives a clear and thorough presentation of the fundamental principles of mechanics and strength of materials. Provides both the theory and applications of mechanics of materials on an intermediate theoretical level. Useful as a reference tool by postgraduates and researchers in the fields of solid mechanics as well as practicing engineers.
Author: Vinay Gopal
Publisher:
ISBN:
Category :
Languages : en
Pages : 114
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Book Description
In this study, finite element analysis (FEA) is used to study the effect of surface roughness on the stresses generated during bending of micro/nanoscale cantilever beam structures. Surface roughness variation is generated by controlling roughness parameters of a Gaussian height distribution and incorporating this distribution onto the top surface of a beam using the FEA code, ANSYS. Silicon beams with varying surface roughness, width and thickness are modeled with a bending load subject to the free end of the cantilever beam. It is observed that the maximum (tensile) bending stress increases with an increase in root mean square (RMS) levels of surface roughness. Results also showed that up to a certain level of roughness, the maximum tensile stress occurs at the geometric discontinuity (GD) at the base of the cantilever. Beyond this critical RMS roughness, maximum stress occurs at the location of maximum peak-to-valley (MPV) distance. Decreasing beam dimensions and increasing the radius of curvature of the GD enhances the effect of roughness on the stress levels. Simulation of a beam with surface roughness from an atomic force microscopy image of a surface micromachined cantilever beam showed that for the low roughness levels generated by this process, maximum stress occurs at the GD. This study demonstrates that surface roughness can affect stress levels in micro/nanoscale structures and will aid in predicting optimum surface roughness parameters for reliable mechanical behavior.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 40
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Book Description
Author: P. SESHU
Publisher: PHI Learning Pvt. Ltd.
ISBN: 8120323157
Category : Mathematics
Languages : en
Pages : 340
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Book Description
Designed for a one-semester course in Finite Element Method, this compact and well-organized text presents FEM as a tool to find approximate solutions to differential equations. This provides the student a better perspective on the technique and its wide range of applications. This approach reflects the current trend as the present-day applications range from structures to biomechanics to electromagnetics, unlike in conventional texts that view FEM primarily as an extension of matrix methods of structural analysis. After an introduction and a review of mathematical preliminaries, the book gives a detailed discussion on FEM as a technique for solving differential equations and variational formulation of FEM. This is followed by a lucid presentation of one-dimensional and two-dimensional finite elements and finite element formulation for dynamics. The book concludes with some case studies that focus on industrial problems and Appendices that include mini-project topics based on near-real-life problems. Postgraduate/Senior undergraduate students of civil, mechanical and aeronautical engineering will find this text extremely useful; it will also appeal to the practising engineers and the teaching community.
Author: Erasmo Carrera
Publisher: John Wiley & Sons
ISBN: 1119951046
Category : Science
Languages : en
Pages : 171
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Book Description
Beam theories are exploited worldwide to analyze civil, mechanical, automotive, and aerospace structures. Many beam approaches have been proposed during the last centuries by eminent scientists such as Euler, Bernoulli, Navier, Timoshenko, Vlasov, etc. Most of these models are problem dependent: they provide reliable results for a given problem, for instance a given section and cannot be applied to a different one. Beam Structures: Classical and Advanced Theories proposes a new original unified approach to beam theory that includes practically all classical and advanced models for beams and which has become established and recognised globally as the most important contribution to the field in the last quarter of a century. The Carrera Unified Formulation (CUF) has hierarchical properties, that is, the error can be reduced by increasing the number of the unknown variables. This formulation is extremely suitable for computer implementations and can deal with most typical engineering challenges. It overcomes the problem of classical formulae that require different formulas for tension, bending, shear and torsion; it can be applied to any beam geometries and loading conditions, reaching a high level of accuracy with low computational cost, and can tackle problems that in most cases are solved by employing plate/shell and 3D formulations. Key features: compares classical and modern approaches to beam theory, including classical well-known results related to Euler-Bernoulli and Timoshenko beam theories pays particular attention to typical applications related to bridge structures, aircraft wings, helicopters and propeller blades provides a number of numerical examples including typical Aerospace and Civil Engineering problems proposes many benchmark assessments to help the reader implement the CUF if they wish to do so accompanied by a companion website hosting dedicated software MUL2 that is used to obtain the numerical solutions in the book, allowing the reader to reproduce the examples given in the book as well as to solve other problems of their own www.mul2.com Researchers of continuum mechanics of solids and structures and structural analysts in industry will find this book extremely insightful. It will also be of great interest to graduate and postgraduate students of mechanical, civil and aerospace engineering.
