没有合适的资源?快使用搜索试试~ 我知道了~
COMSOL用户手册(英文版)
需积分: 5 182 浏览量
2022-05-18
19:44:11
上传
评论
收藏 23.9MB PDF 举报
介绍了COMSOL软件的用法,不过是英文版的,需要翻译下
资源详情
资源评论
资源推荐

COMSOL Multiphysics
Reference Manual

Contact Information
Visit the Contact COMSOL page at www.comsol.com/contact to submit general
inquiries, contact Technical Support, or search for an address and phone number. You can
also visit the Worldwide Sales Offices page at www.comsol.com/contact/offices for
address and contact information.
If you need to contact Support, an online request form is located at the COMSOL Access
page at www.comsol.com/support/case. Other useful links include:
• Support Center: www.comsol.com/support
• Product Download: www.comsol.com/product-download
• Product Updates: www.comsol.com/support/updates
• COMSOL Blog: www.comsol.com/blogs
• Discussion Forum: www.comsol.com/community
• Events: www.comsol.com/events
• COMSOL Video Gallery: www.comsol.com/video
• Support Knowledge Base: www.comsol.com/support/knowledgebase
Part number: CM020005
COMSOL Multiphysics Reference Manual
© 1998–2018 COMSOL
Protected by patents listed on www.comsol.com/patents, and U.S. Patents 7,519,518; 7,596,474;
7,623,991; 8,457,932; 8,954,302; 9,098,106; 9,146,652; 9,323,503; 9,372,673; and 9,454,625. Patents
pending.
This Documentation and the Programs described herein are furnished under the COMSOL Software License
Agreement (www.comsol.com/comsol-license-agreement) and may be used or copied only under the terms
of the license agreement.
COMSOL, the COMSOL logo, COMSOL Multiphysics, COMSOL Desktop, COMSOL Server, and
LiveLink are either registered trademarks or trademarks of COMSOL AB. All other trademarks are the
property of their respective owners, and COMSOL AB and its subsidiaries and products are not affiliated
with, endorsed by, sponsored by, or supported by those trademark owners. For a list of such trademark
owners, see www.comsol.com/trademarks.
Version: COMSOL 5.4

CONTENTS | 3
Contents
Chapter 1: Introduction
About COMSOL Multiphysics 36
The COMSOL Multiphysics Modules and Interfacing Options . . . . . . . . . . . . . . . . . . . . . 37
COMSOL Documentation and Help 38
About the Documentation Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
The Help Window and Topic-Based Help . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
The Documentation Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Searching Help and Documentation Content . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
The About COMSOL Multiphysics Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Checking for Product Software Updates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Typographical Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Overview of the Reference Manual 50
Chapter 2: The COMSOL Modeling Environment
The COMSOL Desktop 54
Basic Navigation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Adjusting Window Location and Size on the Desktop . . . . . . . . . . . . . . . . . . . . . . . . 58
The COMSOL Desktop Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
The COMSOL Desktop Menus and Toolbars . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Windows Toolbars and Menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Cross Platform (macOS and Linux) Toolbars and Menus . . . . . . . . . . . . . . . . . . . . . . . 65
Features Available on Toolbars and From Menus. . . . . . . . . . . . . . . . . . . . . . . . . . 66
The Messages Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
About the COMSOL Model File Formats. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Saving COMSOL Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Saving and Opening Recovery Files . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
The Root Settings and Properties Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Unit Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Searching and Finding Text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
The Application Libraries Window 80
The Applications Folders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Running or Opening a Model or Application and Its Documentation . . . . . . . . . . . . . . . . . . 82
Downloading MPH-Files With Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Searching the Application Libraries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
The Application Library Update Window. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
The Part Library Update Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
The Physics Interfaces 86
Introduction to the Physics Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Physics Groups and Subgroups. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Adding and Inserting Physics Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Physics Interface Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Common Physics Interface and Feature Settings and Nodes. . . . . . . . . . . . . . . . . . . . . . 94

4 | CONTENTS
Creating a New Model 98
Open a New Window to Begin Modeling. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
The Model Wizard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Toolbars and Keyboard Shortcuts 103
Home Toolbar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103
Definitions Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Geometry Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Work Plane Modal Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Materials Toolbar. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Physics Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
0D Component Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Mesh Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Study Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Results Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Plot Group Contextual Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Report Group Contextual Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Template Group Contextual Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
View Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
Developer Toolbar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Keyboard Shortcuts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Chapter 3: Building a COMSOL Multiphysics Model
Building Models in the Model Builder 130
The Model Builder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
About the Sequence of Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
The Global Definitions Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
The Component Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
Adding Extra Dimensions to a Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Branches and Subbranches in the Tree Structure . . . . . . . . . . . . . . . . . . . . . . . . . 136
Settings and Properties Windows for Feature Nodes . . . . . . . . . . . . . . . . . . . . . . . 139
Displaying Node Names, Tags, and Types in the Model Builder . . . . . . . . . . . . . . . . . . . 141
Opening Context Menus and Adding Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . 143
The Physics Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Physics Interface Default Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Physics Interface Node Context Menu Layout . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Physics Exclusive and Contributing Node Types . . . . . . . . . . . . . . . . . . . . . . . . . 148
Physics Node Status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Dynamic Nodes in the Model Builder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Physics Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Errors and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
Creating and Running Methods in Models . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Method Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Creating and Using Settings Forms and Dialogs . . . . . . . . . . . . . . . . . . . . . . . . . 158
Comparing Models and Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Working with Nodes in the Model Builder 161
Moving Nodes in the Model Builder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Copying, Pasting, and Duplicating Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Undoing and Redoing Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Going to the Source Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163

CONTENTS | 5
Clearing Sequences and Deleting Sequences or Nodes . . . . . . . . . . . . . . . . . . . . . . 163
Disabling or Enabling Nodes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
Modeling Guidelines 165
Selecting Physics Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Using Symmetries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Effective Memory Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166
Selecting an Element Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Analyzing Model Convergence and Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Achieving Convergence When Solving Nonlinear Equations. . . . . . . . . . . . . . . . . . . . . 168
Avoiding Strong Transients . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Physics-Related Checks and Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
Results With Unphysical Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
Multiphysics Modeling Approaches 173
Creating a Multiphysics Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Advantages of Using the Multiphysics Coupling Features . . . . . . . . . . . . . . . . . . . . . . 175
The Add Multiphysics Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
The Multiphysics Branch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Uncoupling a Multiphysics Coupling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Model Inputs and Multiphysics Couplings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Specifying Model Equation Settings 179
Specifying Equation Coefficients and Material Properties . . . . . . . . . . . . . . . . . . . . . . 179
Modeling Anisotropic Materials . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Specifying Initial Values. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Equation View . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Physics Nodes — Equation Section . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Boundary Conditions 186
Boundary Condition Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Physics Interface Boundary Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Continuity on Interior Boundaries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Physics Interface Axial Symmetry Node . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Constraint Reaction Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Constraint Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Excluded Surfaces, Excluded Edges, and Excluded Points . . . . . . . . . . . . . . . . . . . . . . 191
Weak Constraints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Periodic Boundary Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Computing Accurate Fluxes 196
Flux Computation Methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Flux Calculation Example — Heat Transfer Model . . . . . . . . . . . . . . . . . . . . . . . . 197
Using Load Cases 199
About Load Cases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Defining Load Groups and Constraint Groups. . . . . . . . . . . . . . . . . . . . . . . . . . 199
Load Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Constraint Group . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Defining and Evaluating Load Cases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Numerical Stabilization 204
About Numerical Stabilization in COMSOL . . . . . . . . . . . . . . . . . . . . . . . . . . . 204
Consistent Stabilization and Inconsistent Stabilization Sections on Settings Windows . . . . . . . . . . . 204
剩余1621页未读,继续阅读







山无忧
- 粉丝: 32
- 资源: 20

上传资源 快速赚钱
我的内容管理 收起
我的资源 快来上传第一个资源
我的收益
登录查看自己的收益我的积分 登录查看自己的积分
我的C币 登录后查看C币余额
我的收藏
我的下载
下载帮助

会员权益专享
最新资源
- Classification of default of credit card clients from the UCI da
- Predict whether income exceeds $50K/yr based on census data. Als
- Hogan-1985 Impedance Control三部曲集成
- 电视新闻频道商业检测数据集数据集基于从商业中提取的某些特征对电视商业进行检测,并预测商业是否符合国际标准 如果匹配,则Comm
- UCI机器学习库:HCC生存数据集 数据建模
- BATJ面试题汇总及详解65页
- 全国各省市地区经纬度数据
- 使用机器学习算法对信用卡客户UCI默认数据集进行分析和分类
- UCI机器学习库中成人或人口普查收入数据集的探索性数据分析
- 计算机体系结构.zip
资源上传下载、课程学习等过程中有任何疑问或建议,欢迎提出宝贵意见哦~我们会及时处理!
点击此处反馈



安全验证
文档复制为VIP权益,开通VIP直接复制

评论0