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    SolidWorks Flow Simulation 2024 Black Book
    SolidWorks Flow Simulation 2024 Black Book
    SolidWorks Flow Simulation 2024 Black Book
    Ebook554 pages2 hours

    SolidWorks Flow Simulation 2024 Black Book

    By Gaurav Verma and Matt Weber

    ()

    Read preview

    About this ebook

    The SolidWorks Flow Simulation 2024 Black Book is the 6th edition of our series on SolidWorks Flow Simulation. The book is targeted for beginners of SolidWorks Flow Simulation. This book covers the basic equations and terms of Fluid Dynamics theory. The book covers all the major tools of Flow Simulation modules like Fluid Flow, Thermal Fluid Flow, and Electronic Cooling modules. A chapter on basic concepts of CFD has been added to discuss behind the scene calculations of SolidWorks CFD software. This book can be used as supplement to Fluid Dynamics course if your subject requires the application of Software for solving real-world problems. Some of the salient features of this book are :

     

    In-Depth explanation of concepts

    Every new topic of this book starts with the explanation of the basic concepts. In this way, the user becomes capable of relating the things with real world.

     

    Topics Covered

    Every chapter starts with a list of topics being covered in that chapter. In this way, the user can easy find the topic of his/her interest easily.

     

    Instruction through illustration

    The instructions to perform any action are provided by maximum number of illustrations so that the user can perform the actions discussed in the book easily and effectively. There are about 530 illustrations that make the learning process effective.

     

    Tutorial point of view

    At the end of concept's explanation, the tutorial makes the understanding of users firm and long lasting. Almost each chapter of the book has tutorials that are real world projects. Moreover, most of the tools in this book are discussed in the form of tutorials.

     

    Project

    Projects and exercises are provided to students for practicing.

     

    For Faculty

    If you are a faculty member, then you can ask for video tutorials on any of the topic, exercise, tutorial, or concept. As faculty, you can register on our website to get electronic desk copies of our latest books, self-assessment, and solution of practical. Faculty resources are available in the Faculty Member page of our website once you login. Note that faculty registration approval is manual and it may take two days for approval before you can access the faculty website.

    LanguageEnglish
    PublisherCADCAMCAE Works
    Release dateDec 28, 2023
    ISBN9798223814719
    SolidWorks Flow Simulation 2024 Black Book
    Author

    Gaurav Verma

    Gaurav Verma is currently a Full Professor at the Panjab University, Chandigarh, India (Dr. SS Bhatnagar University Institute of Chemical Engineering and Technology, and Adjunct Faculty at the Department of Nanoscience and Nanotechnology). He is a former CV Raman Post-Doctoral fellow from the Department of Chemical Engineering, Massachusetts Institute of Technology (MIT), USA. His research focuses on the areas of applied nanoscience and nanostructured materials.

    Read more from Gaurav Verma

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      Book preview

      SolidWorks Flow Simulation 2024 Black Book - Gaurav Verma

      SolidWorks_Flow_cover_2024_BW.jpg

      SolidWorks Flow Simulation 2024 Black Book

      By

      Gaurav Verma

      Matt Weber

      (CADCAMCAE Works)

      Edited by

      Kristen

      Published by CADCAMCAE WORKS, USA. Copyright © 2023. All rights reserved. No part of this publication may be reproduced or distributed in any form or by any means, or stored in the database or retrieval system without the prior permission of CADCAMCAE WORKS. To get the permissions, contact at cadcamcaeworks@gmail.com

      NOTICE TO THE READER

      Publisher does not warrant or guarantee any of the products described in the text or perform any independent analysis in connection with any of the product information contained in the text. Publisher does not assume, and expressly disclaims, any obligation to obtain and include information other than that provided to it by the manufacturer.

      The reader is expressly warned to consider and adopt all safety precautions that might be indicated by the activities herein and to avoid all potential hazards. By following the instructions contained herein, the reader willingly assumes all risks in connection with such instructions.

      The Publisher makes no representation or warranties of any kind, including but not limited to, the warranties of fitness for a particular purpose or merchantability, nor are any such representations implied with respect to the material set forth herein, and the publisher takes no responsibility with respect to such material. The publisher shall not be liable for any special, consequential, or exemplary damages resulting, in whole or part, from the reader’s use of, or reliance upon, this material.

      DEDICATION

      To teachers, who make it possible to disseminate knowledge

      to enlighten the young and curious minds

      of our future generations

      To students, who are the future of the world

      THANKS

      To my friends and colleagues

      To my family for their love and support

      Table of Contents

      Preface vii

      About Author ix

      Chapter 1 : Starting with Computational Fluid Dynamics

      Introduction of Fluid Mechanics 1-2

      Basic Properties of Fluids 1-2

      Mass Density, Weight Density, and Specific Gravity 1-2

      Viscosity 1-2

      Problem on Viscosity 1-3

      Types of Fluids 1-4

      Thermodynamic Properties of Fluid 1-4

      Universal Gas Constant 1-5

      Compressibility of Gases 1-5

      Vapour Pressure and Cavitation 1-5

      Pascal’s Law 1-5

      Fluid Dynamics 1-5

      Bernoulli’s Incompressible Fluid Equation 1-5

      Eulerian and Lagrangian Method of Analysis 1-6

      Differential Approach of Fluid Flow Analysis 1-7

      Acceleration 1-7

      Introduction to CFD 1-7

      Introduction to SolidWorks Flow Simulation 1-12

      Starting SolidWorks Flow Simulation 1-14

      Preparing Component For Simulation 1-17

      Creating lids by Solid Modeling (First Method) 1-18

      Creating Lids using the Create Lids tool (Second Method) 1-21

      Checking Geometry for leakage 1-24

      Leak Tracking 1-26

      Engineering Database 1-30

      Practical 1 1-32

      Self Assessment 1-36

      Chapter 2 : Creating and Managing Flow Simulation Project

      Starting Projects 2-2

      Creating Project 2-2

      Computational Domain 2-13

      Fluid Subdomains 2-16

      Rotating Region 2-19

      Setting Material for Model 2-19

      Importing Material Data 2-20

      Boundary Conditions 2-21

      Specifying Flow Opening 2-23

      Specifying Pressure Opening 2-26

      Specifying Wall Boundary Condition 2-27

      Radiative Surfaces 2-28

      Goals 2-30

      Insert Global Goals 2-30

      Insert Point Goals 2-32

      Insert Surface Goals 2-33

      Insert Volume Goals 2-34

      Insert Equation Goals 2-35

      Mesh 2-36

      Global Mesh 2-36

      Insert local Mesh 2-42

      Show Basic Mesh 2-44

      Basic Mesh Color 2-45

      Important Tips about Mesh 2-46

      Create Mesh 2-46

      Setting Calculation Controls 2-49

      Finishing Options 2-50

      Refinement Options 2-51

      Solving Options 2-52

      Saving Options 2-53

      Self Assessment 2-54

      Chapter 3 : Analyzing and Generating Results of Analysis

      Introduction 3-2

      Generating Results 3-2

      Scenes 3-2

      Mesh 3-4

      Cut Plots 3-8

      Surface Plots 3-15

      Isosurfaces 3-16

      Flow Trajectories 3-18

      Particle Studies 3-22

      Point Parameters 3-31

      Surface Parameters 3-34

      Volume Parameters 3-36

      XY Plots 3-37

      Goal Plots 3-39

      Report 3-41

      Animations 3-46

      Export Results 3-49

      Loading Transient Results 3-50

      Probing Result 3-52

      Loading Time Moment 3-52

      Comparing Results 3-53

      Self-Assessment 3-55

      Chapter 4 : Practical and Practice

      Practical 1 4-2

      Practical 2 4-24

      Practice 1- Finding Hydraulic Loss 4-41

      Practice 2 - Conjugate Heat Transfer 4-43

      Chapter 5 : Advanced Boundary Conditions

      Introduction 5-2

      Porous Medium 5-2

      Initial Condition 5-3

      Defining Heat Sources 5-5

      Defining Surface Heat Source 5-5

      Defining Volume Heat Source 5-7

      Applying Radiative Surface Properties 5-7

      Applying Radiation Source 5-8

      Applying Fan Properties 5-9

      Tracer Study 5-12

      Setting Source of Gas Traces 5-14

      Transferred Boundary Condition 5-15

      Applying Contact Resistance 5-17

      Heat Sink Simulation 5-18

      Thermoelectric Cooler 5-19

      Perforated Plate 5-20

      Two Resistor Component 5-21

      Electrical Condition 5-22

      Electrical Source 5-23

      Heat Pipe 5-24

      Thermal Joint 5-25

      Printed Circuit Board 5-25

      IGBT 5-26

      Self-Assessment 5-30

      Chapter 6 : Basics of CFD

      Introduction 6-2

      Conservation of Mass 6-2

      Conservation of Momentum 6-2

      Conservation of Energy 6-4

      Variations of Navier-Strokes Equation 6-5

      Time Domain 6-5

      Compressibility 6-5

      Low and High Reynolds Numbers 6-6

      Turbulence 6-7

      Steps of Computational Fluid Dynamics 6-9

      Creating Mathematical Model 6-9

      Discretization of Model 6-9

      Analyzing with Numerical Schemes 6-9

      Solution 6-10

      Visualization (Post-processing) 6-10

      Finite Difference Method 6-10

      Chapter 7 : Practical and Practice

      Introduction 7-2

      Practical 1 Air Flow on Fin 7-2

      Practical 2 Flow of Two Gases in a Chamber 7-10

      Practical 3 Air Flow by Fan 7-15

      Practical 4 Free Surface Flow Analysis 7-24

      Practice 1 7-33

      Preface

      SolidWorks Flow Simulation 2024 is an Add-In for SolidWorks used to perform computational fluid dynamics related analysis. SOLIDWORKS Flow Simulation can perform complex calculations of computational fluid dynamics and can quickly and easily simulate fluid flow, heat transfer, and fluid forces that are critical to the success of your design.

      The SolidWorks Flow Simulation 2024 Black Book is the 6th edition of our series on SolidWorks Flow Simulation. The book is targeted for beginners of SolidWorks Flow Simulation. This book covers the basic equations and terms of Fluid Dynamics theory. The book covers all the major tools of Flow Simulation modules like Fluid Flow, Thermal Fluid Flow, and Electronic Cooling modules. A chapter on basic concepts of CFD has been added to discuss behind the scene calculations of SolidWorks CFD software. This book can be used as supplement to Fluid Dynamics course if your subject requires the application of Software for solving real-world problems. Some of the salient features of this book are :

      In-Depth explanation of concepts

      Every new topic of this book starts with the explanation of the basic concepts. In this way, the user becomes capable of relating the things with real world.

      Topics Covered

      Every chapter starts with a list of topics being covered in that chapter. In this way, the user can easy find the topic of his/her interest easily.

      Instruction through illustration

      The instructions to perform any action are provided by maximum number of illustrations so that the user can perform the actions discussed in the book easily and effectively. There are about 530 illustrations that make the learning process effective.

      Tutorial point of view

      At the end of concept’s explanation, the tutorial make the understanding of users firm and long lasting. Almost each chapter of the book has tutorials that are real world projects. Moreover, most of the tools in this book are discussed in the form of tutorials.

      Project

      Projects and exercises are provided to students for practicing.

      For Faculty

      If you are a faculty member, then you can ask for video tutorials on any of the topic, exercise, tutorial, or concept. As faculty, you can register on our website to get electronic desk copies of our latest books, self-assessment, and solution of practical. Faculty resources are available in the Faculty Member page of our website (www.cadcamcaeworks.com) once you login. Note that faculty registration approval is manual and it may take two days for approval before you can access the faculty website.

      Formatting Conventions Used in the Text

      All the key terms like name of button, tool, drop-down etc. are kept bold.

      Free Resources

      Link to the resources used in this book are provided to the users via email. To get the resources, mail us at cadcamcaeworks@gmail.com with your contact information. With your contact record with us, you will be provided latest updates and informations regarding various technologies. The format to write us mail for resources is as follows:

      Subject of E-mail as Application for resources of............book.

      Also, given your information like

      Name:

      Course pursuing/Profession:

      Contact Address:

      E-mail ID:

      Note: We respect your privacy and value it. If you do not want to give your personal informations then you can ask for resources without giving your information.

      About Author

      The author of this book, Gaurav Verma, has authored and assisted in more than 18 titles in CAD/CAM/CAE which are already available in market. He has authored AutoCAD Electrical Black Books which are available in both English and Russian language. He has also written Creo Manufacturing 10.0 Black Book which covers Expert Machinist module of Creo Parametric and Mastercam 2024 Black Book which covers modeling as well as machining sections of software. He has provided consultant services to many industries in US, Greece, Canada, and UK. He has assisted in preparing many Government aided skill development programs. He has been speaker for Autodesk University, Russia 2014. He has assisted in preparing AutoCAD Electrical course for Autodesk Design Academy. He has worked on Sheetmetal, Forging, Machining, and Casting areas of Design and Development department.

      The author of this book, Matt Weber, has authored many books on CAD/CAM/CAE available already in market. SolidWorks Simulation Black Books and SolidWorks Flow Simulation Black Books are one of the most selling books in SolidWorks Simulation field. The author has hands on experience on many popular CAD/CAM/CAE packages. If you have any query/doubt in any CAD/CAM/CAE package, then you can contact the author by writing at cadcamcaeworks@gmail.com

      For Any query or suggestion

      If you have any query or suggestion, please let us know by mailing us on cadcamcaeworks@gmail.com. Your valuable constructive suggestions will be incorporated in our books and your name will be addressed in special thanks area of our books on your confirmation.

      Chapter 1

      Starting with Computational Fluid Dynamics

      The major topics covered in this chapter are:

      •Introduction to CFD

      •Starting SolidWorks Flow Simulation

      •Methods of Creating Lids

      •Check Geometry

      •Leak Tracking Technique

      •Engineering Database

      Introduction of Fluid Mechanics

      During the course, you will know various aspects of SolidWorks Flow Simulation for various practical problems. But, keep in mind that all computer software work on same concept of GIGO which means Garbage In - Garbage Out. So, if you have specified any wrong parameter while defining properties of analysis then you will not get the correct results. This problem demands a good knowledge of Fluid Mechanics so that you are well conversant with the terms of classical fluid mechanics and can related the results to the theoretical concepts. In this chapter, we will discuss the basics of Fluid Mechanics and we will try to related them with analysis wherever possible.

      Basic Properties of Fluids

      There are various basic properties required while performing analysis on fluid. These properties are collected by performing experiments in labs. Most of these properties are available in the form of tables in Steam Tables or Design Data books. These properties are explained next.

      Mass Density, Weight Density, and Specific Gravity

      Density or Mass Density is the mass of fluid per unit volume. In SI units, mass is given by kg and volume is given by m³. So, mathematically we can say,

      Density (or Mass Density)

      kg/m3

      If you are asked for weight density then multiply mass by gravity coefficient. Mathematically it can be expressed as:

      Weight Density w =

      N/m3

      Most of the time, fluid density is available as Specific Gravity. Specific gravity is the ratio of weight density of fluid to weight density of water in case of liquid. In case of gases, it is the ratio of weight density of fluid to weight density of air. Note that weight density of water is 1000 kg/m³ at 4 oC and weight density of air is 1.225 kg/m³ at 15 ᵒC.

      Note that as the temperature of liquid rises, its density is reduced and vice-versa. The same is true for gases as well.

      Viscosity

      Viscosity is the coefficient of friction between different layers of fluid. In other terms, it is the shear stress required to produce unit rate of shear strain in one layer of fluid. Mathematically it can be expressed as:

      N.s/m² or Pa.s

      where μ is viscosity, τ is shear stress (or force applied tangentially to the layer of fluid) and (dx/dy) is the shear strain.

      As the density of fluid changes with temperature so does the viscosity with temperature. The formula for viscosity of fluid at different temperature is given next.

      For Liquids,

      For Gases,

      here, is viscosity at 0 ᵒC

      α and β are constants for fluid (for water α is 0.03368 and β is 0.000221)

      (for air α is 5.6x10-8 and β is 1.189x10-10)

      t is the temperature

      Problem on Viscosity

      Dynamic viscosity of lubricant oil used between shaft and sleeve is 8 poise. The shaft has a diameter of 0.4 m and rotates at 250 r.p.m. Find out the power lost due to viscosity of fluid if length of sleeve is 100 mm and thickness of oil film is 1.5 mm; refer to Figure-2.

      Solution:

      Viscosity μ = 8 poise = 8/10 N.s/m² =0.8 N.s/m²

      Tangential velocity of shaft =5.236 m/s

      Using the relation,

      where dx is 5.236

      and dy is 1.5x10-3

      = 2792.53 N/m2

      Shear force F = τ x Area

      N

      Torque (T) = Force x Radius = 350.92 x 0.2 = 70.184 N.m

      Power = 2 π.N.T/60 = (2 π x 250 x 70.184)/60=1837.41 W Ans.

      Now, you may ask how this problem relates with CFD. As discussed earlier, the viscosity changes with temperature and as fluid flows through pipe or comes in contact with rolling shaft, its temperature rises. In such cases, CFD gives the approximate viscosity and temperature of fluids in the system at different locations. This data later can be used to find solution for other engineering problems.

      Types of Fluids

      There are mainly 5 types of fluids:

      Ideal Fluids: These fluids are incompressible and have no viscosity which means they flow freely without any resistance. This category of fluid is imaginary and used in some cases of calculations.

      Real Fluids: These are the fluids found in real world. These fluids have viscosity values as per their nature and can be compressible in some cases.

      Newtonian Fluids: Newtonian fluids are those in which shear stress is directly proportional to shear strain. In a specific temperature range, water, gasoline, alcohol etc. can be Newtonian fluids.

      Non-Newtonian Fluids: Those fluids in which shear stress is not directly proportional to shear strain. Most of the time Real Fluids fall in this category.

      Ideal Plastic Fluids: Those fluids in which shear stress is more than yield value and they deform plastically. The shear stress in these fluids is directly proportional to shear strain.

      Thermodynamic Properties of Fluid

      Most of the liquids are not considered as compressible in general applications as their molecules are already bound closely to each other. But, Gas have large gap between their molecules and can be compressed easily relative to liquids. As we pick pressure to compress the gas, other thermodynamic properties also come into play. The relationship between Pressure, Temperature, and specific Volume is given by;

      P.V = RT

      here,

      P = Absolute pressure of a gas in N/m²

      V = Specific Volume = 1/ ρ

      R = Gas Constant (for Air is 287 J/Kg-K

      T = Absolute Temperature

      ρ = Density of gas

      If the density of gas changes with constant temperature then the process

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