具体描述
作 者:王鹰宇 编著 定 价:249 出 版 社:机械工业出版社 出版日期:2017年03月01日 页 数:1110 装 帧:精装 ISBN:9787111557364 ●序言
●前言
●上篇分析过程、求解和控制
●1分析过程
●1.1介绍
●1.1.1求解分析问题：概览
●1.1.2定义一个分析
●1.1.3通用和线性摄动过程
●1.1.4多载荷工况分析
●1.1.5直接线性方程求解器
●1.1.6迭代线性方程求解器
●1.2静态应力/位移分析
●1.2.1静态应力分析过程：概览
●1.2.2静态应力分析
●1.2.3特征值屈曲预测
●1.2.4非稳定失稳和后屈曲分析
●1.2.5准静态分析
●1.2.6直接循环分析
●1.2.7使用直接循环方法的低周疲劳分析
●1.3动态应力/位移分析
●部分目录
内容简介
本书是“Abaqus分析用户手册大系”中的一册，分为上、下两篇。上篇为分析过程、求解与控制，下篇为分析技术。上篇的内容包括：静态应力/位移分析，动态应力/位移分析，稳态传输分析，热传导和热-应力分析，流体动力学分析，电磁分析，耦合的孔隙流体流动和应力分析，质量扩散分析，声学和冲击分析，Abaqus/Aqua分析和退火分析，求解方法选用和收敛控制。下篇介绍了处理求解过程中所涉及的各种问题的多种技术，包括：重启动，导入和传递结果，子结构，子模型，生成矩阵，对称模型，惯性释放，网格更改或替换，几何缺陷，断裂力学，基于面的流体模拟，质量缩放，可选的子循环，稳态探测，ALE自适应网格划分，自适应网格重划分，优化技术，欧拉分析，粒子方法，顺序耦合的多物理场分析，协同仿真，用户子程序和工具，设计敏感性分析，参数研究等诸多方面。每一章都针对各项数值技术进行了详细阐述。通过学习本书，可以全面深刻地了解Aba等 王鹰宇 编著 王鹰宇，男，江苏南通人。毕业于四川大学机械制造学院机械设计及理论方向，硕士研究生学历。毕业后进入上海飞机设计研究所（640所），从事飞机结构设计与优化计算工作，参加了ARJ21新支线喷气式客机研制。后在3M中国有限公司从事固体力学，计算流体动力学，NVH仿真和设计优化工作十年有余。目前在中国航发商发（AECCCAE）从事航空发动机短舱结构研制工作。 Abaqus被公认为是功能强大的有限元软件。借助它可以分析复杂的结构力学系统，特别是能够解决非常庞大复杂的问题，而且可以模拟高度非线性问题。运用Abaqus不仅可以做单一零件的力学和多物理场的分析，还可以进行系统级的分析和研究，并且在近期的版本中，Abaqus中还引入了优化以及计算流体动力学问题的功能。Abaqus强大的分析能力和模拟复杂系统的高可靠性使得它在各国的工业生产和科研领域得到广泛的应用。 自1997年清华大学庄茁教授将Abaqus软件引入国内后，Abaqus因其卓越的性能而在国内各行各业得到广泛应用。 由于工作的缘故，笔者将“Abaqus Analysis User�餾 Guide”（《Abaqus分析用户手册》）所包含的五部手册翻译成了中文。 &等
Finite Element Analysis: A Comprehensive Guide This book serves as a foundational text for understanding the principles and applications of Finite Element Analysis (FEA). It delves into the theoretical underpinnings of discretizing complex continuous systems into smaller, manageable elements, and then assembling these elements to approximate the behavior of the whole. The journey begins with a thorough exploration of the mathematical formulation behind FEA, including the derivation of element stiffness matrices, load vectors, and boundary conditions. Readers will gain a solid grasp of the variational principles and weighted residual methods that form the bedrock of FEA, ensuring a deep understanding rather than a superficial application of software tools. The initial chapters meticulously cover the fundamental concepts of discretizing geometry into various element types. We will examine one-dimensional elements, such as bars and beams, detailing their shape functions, stiffness contributions, and how they are assembled into a global system. This foundational knowledge then extends to two-dimensional elements, including triangular and quadrilateral elements, and their application in analyzing plane stress and plane strain problems. The text will rigorously explain the development of isoparametric elements, a crucial concept that allows for the representation of curved boundaries and complex geometries with remarkable accuracy. The underlying mathematics of numerical integration (Gauss quadrature) will be presented in detail, highlighting its significance in accurately evaluating element stiffness and force matrices. Moving beyond basic elements, the book progresses to three-dimensional elements, discussing tetrahedral and hexahedral elements and their role in solid mechanics applications. The complexities of meshing – the process of dividing a physical object into a network of finite elements – will be a central theme. We will explore different meshing strategies, the importance of element quality, and the impact of mesh density on solution accuracy and computational cost. Advanced meshing techniques, such as adaptive meshing, will be introduced, demonstrating how the mesh can be refined in regions of high stress gradients or deformation to improve accuracy efficiently. A significant portion of the text is dedicated to the application of FEA in various engineering disciplines. Structural mechanics is a primary focus, with in-depth coverage of static analysis. This includes understanding the behavior of structures under different loading conditions, identifying critical stress concentrations, and predicting deformation. The principles of linear elastic analysis will be thoroughly explained, along with the assumptions and limitations associated with this approach. Readers will learn how to interpret stress and strain contours, identify failure modes, and validate their results against analytical solutions or experimental data. Buckling analysis, a critical aspect of structural stability, is explored in detail. The book will guide readers through the process of determining critical buckling loads and understanding the different buckling modes that can occur in slender structures. Eigenvalue buckling analysis will be explained, along with its practical implications for design. Beyond static and buckling analysis, the text delves into dynamic analysis. This includes free vibration analysis to determine the natural frequencies and mode shapes of a structure, which are essential for understanding its response to vibrations and preventing resonance. Forced vibration analysis will be presented, enabling readers to predict the response of a structure to time-dependent loads, such as earthquakes or machine vibrations. The numerical methods used for solving the equations of motion, such as modal superposition and direct integration, will be discussed with clarity. Thermal analysis is another key area covered. The book will explain how to model heat transfer phenomena, including conduction, convection, and radiation, using the finite element method. Readers will learn to analyze temperature distributions, thermal stresses, and the effects of thermal loads on structural integrity. The coupling between thermal and structural analysis will also be addressed, highlighting its importance in applications involving significant temperature variations. The principles of non-linear analysis are introduced with a focus on material non-linearity. This includes the behavior of materials beyond their elastic limit, such as plasticity and creep. The iterative solution procedures required for non-linear problems, such as the Newton-Raphson method, will be explained, along with the challenges and considerations involved in achieving convergence. Geometric non-linearity, which arises from large deformations that alter the stiffness of the structure, will also be discussed, enabling readers to analyze structures where large displacements are a significant factor. Contact mechanics is a crucial aspect of many real-world engineering problems, and this book provides a comprehensive treatment of its FEA formulation. The challenges of modeling the interaction between different bodies, including surface-to-surface contact, edge-to-edge contact, and vertex-to-surface contact, will be meticulously explained. The algorithms and formulations for handling contact constraints, such as penalty methods and Lagrange multipliers, will be presented in detail, along with strategies for improving the robustness and efficiency of contact analysis. This section will equip readers with the knowledge to accurately simulate scenarios involving interlocking parts, bolted joints, and impact events. Fatigue and fracture mechanics are explored to provide insights into the long-term behavior and failure mechanisms of materials and structures. The principles of fatigue analysis will be discussed, including stress-life and strain-life approaches, and how FEA can be used to predict the remaining life of a component under cyclic loading. Fracture mechanics concepts, such as stress intensity factors and crack propagation, will be introduced, and their application in identifying potential failure sites and assessing the integrity of cracked structures will be demonstrated. The book also touches upon advanced topics and emerging trends in FEA. This may include an introduction to fluid-structure interaction, multiphysics simulations, and the role of high-performance computing in solving large-scale FEA problems. The importance of verification and validation of FEA models will be emphasized throughout the text, with discussions on best practices for ensuring the accuracy and reliability of simulation results. Case studies from various industries will be integrated to illustrate the practical application of FEA in solving real-world engineering challenges, making the theoretical concepts more tangible and relatable. Ultimately, this book aims to empower engineers and aspiring analysts with the theoretical knowledge and practical understanding necessary to effectively utilize Finite Element Analysis as a powerful tool for design, optimization, and problem-solving across a wide spectrum of engineering disciplines. It encourages a critical and analytical approach to simulation, fostering the ability to not only obtain results but also to interpret them meaningfully and make informed engineering decisions.
