DOCSLIB.ORG

Reference Manual Ii

Total Page：16

File Type：pdf, Size：1020Kb

Download full-text PDF Read full-text
Reference Manual Ii GiD The universal, adaptative and user friendly pre and postprocessing system for computer analysis in science and engineering Reference Manual ii Table of Contents Chapters Pag. 1 INTRODUCTION 1 1.1 What's GiD 1 1.2 GiD Manuals 1 2 GENERAL ASPECTS 3 2.1 GiD Basics 3 2.2 Invoking GiD 4 2.2.1 First start 4 2.2.2 Command line flags 5 2.2.3 Settings 6 2.3 User Interface 7 2.3.1 Top menu 8 2.3.2 Toolbars 8 2.3.3 Command line 11 2.3.4 Status and Information 12 2.3.5 Right buttons 12 2.3.6 Mouse operations 12 2.3.7 Classic GiD theme 13 2.4 User Basics 15 2.4.1 Point definition 15 2.4.1.1 Picking in the graphical window 16 2.4.1.2 Entering points by coordinates 16 2.4.1.2.1 Local-global coordinates 16 2.4.1.2.2 Cylindrical coordinates 17 2.4.1.2.3 Spherical coordinates 17 2.4.1.3 Base 17 2.4.1.4 Selecting an existing point 17 2.4.1.5 Point in line 18 2.4.1.6 Point in surface 18 2.4.1.7 Tangent in line 18 2.4.1.8 Normal in surface 18 2.4.1.9 Arc center 18 2.4.1.10 Grid 18 2.4.2 Entity selection 18 2.4.3 Escape 20 2.5 Files Menu 20 2.5.1 New 21 2.5.2 Open 21 2.5.3 Open multiple... (Only Postprocessing) 22 2.5.4 Merge... (Only Postprocessing) 22 2.5.5 Recent projects and Recent post files 22 2.5.6 Save (Only Preprocessing) 22 2.5.7 Save as... (only Preprocessing) 22 2.5.8 Import 23 2.5.8.1 Preprocessing 23 2.5.8.1.1 IGES 23 2.5.8.1.2 STEP 24 2.5.8.1.3 DXF 24 2.5.8.1.4 Parasolid 25 2.5.8.1.5 ACIS 25 2.5.8.1.6 VDA 25 2.5.8.1.7 Rhinoceros 25 2.5.8.1.8 Shapefile 25 2.5.8.1.9 XYZ points 25 Table of Contents iii 2.5.8.1.10 KML 26 2.5.8.1.11 Calculix 26 2.5.8.1.12 NASTRAN mesh 26 2.5.8.1.13 STL mesh 27 2.5.8.1.14 VRML mesh 27 2.5.8.1.15 3DStudio mesh 27 2.5.8.1.16 CGNS mesh 27 2.5.8.1.17 GiD mesh 27 2.5.8.1.18 Surface mesh 28 2.5.8.1.19 Ply mesh 29 2.5.8.1.20 OBJ Wavefront mesh 29 2.5.8.1.21 Vtk voxels 29 2.5.8.1.22 XYZ nodes 29 2.5.8.1.23 UNV 30 2.5.8.1.24 STAR-CD 30 2.5.8.1.25 GDAL 30 2.5.8.1.26 EMA3D 30 2.5.8.1.27 Batch file 31 2.5.8.1.28 Insert GiD model 31 2.5.8.2 Postprocessing 32 2.5.8.2.1 NASTRAN mesh 32 2.5.8.2.2 FEMAP 32 2.5.8.2.3 TECPLOT 32 2.5.8.2.4 3D Studio 32 2.5.8.2.5 XYZ nodes 32 2.5.8.2.6 Vtk 32 2.5.8.2.7 Calculix 33 2.5.8.2.8 Cut 33 2.5.8.2.9 Graph 33 2.5.8.2.10 Stream lines 33 2.5.8.2.11 Plugins 33 2.5.9 Export 33 2.5.9.1 Preprocessing 33 2.5.9.1.1 IGES 33 2.5.9.1.2 STEP 34 2.5.9.1.3 DXF 34 2.5.9.1.4 ACIS 34 2.5.9.1.5 Rhinoceros 34 2.5.9.1.6 GiD mesh 34 2.5.9.1.7 Text data report 34 2.5.9.1.8 ASCII project 35 2.5.9.1.9 ON layers 35 2.5.9.1.10 Calculation file 35 2.5.9.1.11 Using template .bas (only mesh) 35 2.5.9.2 Postprocessing 35 2.5.9.2.1 Post information 35 2.5.9.2.2 Cut 36 2.5.9.2.3 Graph 36 2.5.9.2.4 Cover mesh 36 2.5.9.2.5 Visible surfaces to STL 36 2.5.9.2.6 Vtk 37 2.5.9.2.7 KML 37 2.5.9.2.8 Visible surfaces to PLY 37 2.5.10 Preprocess-Postprocess 38 2.5.11 Print to file 38 2.5.12 Page and capture settings 38 2.5.13 Print 39 Table of Contents iv 2.5.14 Quit 39 2.6 View Menu 39 2.6.1 Zoom 40 2.6.2 Rotate 40 2.6.2.1 Rotate trackball 40 2.6.2.2 Rotate screen axes 40 2.6.2.3 Rotate object axes 41 2.6.2.4 Rotate center 41 2.6.2.5 Plane XY (Original) 41 2.6.2.6 Plane XZ 41 2.6.2.7 Plane YZ 41 2.6.2.8 Isometric 41 2.6.2.9 Rotate points 41 2.6.2.10 Rotate angle 42 2.6.3 Pan 42 2.6.4 Redraw 42 2.6.5 Render 42 2.6.6 Perspective 44 2.6.7 Clip planes 44 2.6.8 Advanced viewing settings 45 2.6.9 Reference axes (only Postprocessing) 48 2.6.10 Label 49 2.6.11 Normals (only Preprocessing) 49 2.6.12 Higher entities (only Preprocessing) 50 2.6.13 Curvature (only Preprocessing) 50 2.6.14 View 50 2.6.15 Recent View Files 51 2.6.16 Background Image 51 2.6.17 Image to clipboard 52 2.6.18 Multiple windows 52 2.6.19 Mode 52 2.6.20 Full screen 52 2.6.21 Entities (from Right buttons) 53 2.7 Utilities Menu 53 2.7.1 Undo (only Preprocessing) 53 2.7.2 Preferences 53 2.7.2.1 General 54 2.7.2.1.1 Interface 54 2.7.2.1.2 Other 55 2.7.2.2 Graphical 56 2.7.2.2.1 Apparence 56 2.7.2.2.2 Colours 57 2.7.2.2.3 Mesh elements 58 2.7.2.2.4 System 58 2.7.2.2.5 Simplified view 60 2.7.2.3 Meshing 60 2.7.2.3.1 Unstructured 60 2.7.2.3.2 Structured 62 2.7.2.3.3 Chordal error 63 2.7.2.3.4 Boundary layer 63 2.7.2.3.5 Cartesian 64 2.7.2.3.6 Sphere circle 65 2.7.2.3.6.1 RBall 66 2.7.2.3.6.2 Granular 67 2.7.2.3.7 Other 68 2.7.2.4 Import and Export 70 2.7.2.5 Fonts 70 Table of Contents v 2.7.2.6 Grid 71 2.7.2.7 Postprocess 72 2.7.2.7.1 Post files 73 2.7.2.7.2 Mesh elements 74 2.7.2.7.3 Legends and comments 75 2.7.2.7.4 Contour fill and lines 75 2.7.2.7.5 Vectors 76 2.7.2.7.6 Iso surfaces 77 2.7.2.7.7 Stream lines 78 2.7.2.7.8 Result surface 80 2.7.2.7.9 Line diagrams 80 2.7.2.7.10 Others 80 2.7.3 Layers and groups (only Preprocessing) 81 2.7.4 Tools 83 2.7.4.1 Toolbars 83 2.7.4.2 Save window configuration 83 2.7.4.3 Move screen objects 84 2.7.4.4 Coordinates window (only Preprocessing) 84 2.7.4.5 Read batch window 84 2.7.4.6 Comments 85 2.7.4.6.1 Postprocessing 85 2.7.4.7 Change legend title (only Postprocessing) 86 2.7.4.8 Animation controls 86 2.7.4.9 Animation script 87 2.7.4.10 Macros 87 2.7.4.11 Selection window (only Preprocessing) 88 2.7.4.12 Calculator 90 2.7.4.13 Report 90 2.7.4.14 Notes 91 2.7.5 Copy 91 2.7.5.1 Preprocessing 91 2.7.5.2 Postprocessing 94 2.7.6 Move (only Preprocessing) 95 2.7.7 Status 95 2.7.8 List 96 2.7.9 Mass (only Preprocessing) 97 2.7.10 Renumber (only Preprocessing) 97 2.7.11 Id 98 2.7.12 Signal 98 2.7.13 Swap normals (only Preprocessing) 98 2.7.14 Distance 99 2.7.15 Dimension 99 2.7.16 Repair model (only Preprocessing) 99 2.7.17 Delete (only Postprocessing) 100 2.7.18 Scale result view (only Postprocessing) 100 2.7.19 Set contour limits (only Postprocessing) 100 2.7.20 Texture (only Postprocessing) 100 2.8 Help Menu 100 2.8.1 Help 101 2.8.2 Customization help 101 2.8.3 Tutorials 101 2.8.4 What is new 101 2.8.5 FAQ 101 2.8.6 Register GiD 102 2.8.7 Register Problem type 102 2.8.7.1 Customizing Problem type registration 103 2.8.8 Register from file 103 Table of Contents vi 2.8.9 Visit GiD web 103 2.8.10 Check for updates 104 2.8.11 About 104 3 PREPROCESSING 105 3.1 Geometry Menu 105 3.1.1 View geometry 105 3.1.2 Create 105 3.1.2.1 Point 105 3.1.2.2 Straight line 105 3.1.2.3 NURBS line 105 3.1.2.4 Parametric line 106 3.1.2.5 Polyline 107 3.1.2.6 Arc 108 3.1.2.7 NURBS surface 108 3.1.2.8 Parametric surface 109 3.1.2.9 Contact surface 110 3.1.2.10 Surface mesh 110 3.1.2.11 Geometry from mesh 110 3.1.2.12 Volume 111 3.1.2.13 Contact 111 3.1.2.14 Object 112 3.1.2.15 Old types 112 3.1.2.15.1 4-sided surface creation 112 3.1.2.15.2 Automatic 4-sided surface creation 113 3.1.2.15.3 Planar surface creation 113 3.1.3 Delete 113 3.1.4 Edit 114 3.1.4.1 Move point 114 3.1.4.2 Divide 114 3.1.4.3 Join 114 3.1.4.4 Line operations 115 3.1.4.5 Swap arc 115 3.1.4.6 Polyline 115 3.1.4.7 SurfMesh 116 3.1.4.8 Rebuild surface by boundary 116 3.1.4.9 Edit NURBS 116 3.1.4.10 Convert to NURBS 118 3.1.4.11 Simplify NURBS 118 3.1.4.12 Hole NURBS surface 118 3.1.4.13 Hole volume 118 3.1.4.14 Collapse 118 3.1.4.15 Uncollapse 119 3.1.4.16 Intersection 119 3.1.4.17 Surface boolean operations 119 3.1.4.18 Volume boolean operations 120 3.2 Data Menu 120 3.2.1 Problem type 120 3.2.1.1 Transform problem type 120 3.2.1.2 Internet retrieve 121 3.2.1.3 Load 121 3.2.1.4 Unload 122 3.2.1.5 Debugger 122 3.2.2 Conditions 122 3.2.2.1 Assign condition 123 3.2.2.2 Entities 123 3.2.2.3 Draw condition 124 3.2.2.4 Unassign condition 124 Table of Contents vii 3.2.3 Materials 124 3.2.3.1 Assign material 125 3.2.3.2 Draw material 125 3.2.3.3 Unassign material 125 3.2.3.4 Exchange material 125 3.2.4 Interval data 126 3.2.5 Problem data 126 3.2.6 Data units 126 3.2.7 Interval 126 3.2.8 Local axes 126 3.3 Mesh Menu 127 3.3.1 Unstructured 127 3.3.2 Structured 129 3.3.2.1 (Lines) Concentrate elements 132 3.3.3 SemiStructured 132 3.3.4 Cartesian 133 3.3.5 Boundary layer 134 3.3.6 Quadratic type 135 3.3.7 Element type 135 3.3.8 Mesh criteria 137 3.3.8.1 Mesh NoMesh 137 3.3.8.2 Skip 137 3.3.8.3 Force points 138 3.3.8.4 Duplicate 139 3.3.9 Reset mesh data 139 3.3.10 Draw 139 3.3.10.1 Sizes 140 3.3.10.2 Num of divisions 140 3.3.10.3 Element type 140 3.3.10.4 Mesh - No mesh 140 3.3.10.5 Structured type 141 3.3.10.6 Skip entities 141 3.3.10.7 Duplicate 141 3.3.10.8 Force points to 141 3.3.10.9 Boundary layer 141 3.3.11 Generate mesh 141 3.3.12 Erase mesh 142 3.3.13 Edit mesh 142 3.3.13.1 Create node 142 3.3.13.2 Move node 142 3.3.13.3 Create element 142 3.3.13.4 Split elements 142 3.3.13.5 Smooth elements 143 3.3.13.6 Collapse 143 3.3.13.7 Delete 143 3.3.14 Show errors 143 3.3.15 View mesh boundary 144 3.3.16 Create boundary mesh 144 3.3.17 Mesh quality 144 3.3.18 Mesh options from model 146 3.4 Calculate Menu 146 3.4.1 Calculate 146 3.4.2 Calculate remote 146 3.4.3 Cancel process 146 3.4.4 View process info 147 3.4.5 Calculate window 147 4 POSTPROCESSING 149 Table of Contents viii 4.1 Introduction 149 4.2 Geometry menu 149 4.2.1 Cut plane 149 4.2.2 Cut 2D polygonal 150 4.2.3 Cut sphere 150 4.2.4 Divide 150 4.2.5 Join 151 4.2.6 Covering mesh 151 4.2.7 Create delaunay meshes 151 4.2.8 Extract boundaries 151 4.2.9 Separate connected components 151 4.2.10 Swap orientation of visible surface meshes 152 4.2.11 Collapse nodes 152 4.2.12 Convert to sets 152 4.3 View Results Menu 152 4.3.1 No Results 155 4.3.2 Delete 155 4.3.2.1 Stream lines 155 4.3.2.2 Node trace 155 4.3.3 Default Analysis - Step 155 4.3.4 Contour Fill 155 4.3.5 Contour Lines 156 4.3.6 Contour Ranges 156 4.3.7 Show Minimum and Maximum 157 4.3.8 Display Vectors 157 4.3.9 Iso Surfaces 158 4.3.10 Stream Lines 158 4.3.11 Node trace 159 4.3.12 Graphs 159 4.3.13 Result Surface 160 4.3.14 Deformation 161 4.3.15 Line Diagram 162 4.3.16 Line thickness 162 4.3.17 Integrate 163 4.3.18 Distribution..
Load more

Recommended publications
  • A New Era for Mechanical CAD Time to Move Forward from Decades-Old Design JESSIE FRAZELLE
    TEXT COMMIT TO 1 OF 12 memory ONLY A New Era for Mechanical CAD Time to move forward from decades-old design JESSIE FRAZELLE omputer-aided design (CAD) has been around since the 1950s. The first graphical CAD program, called Sketchpad, came out of MIT [designworldonline. com]. Since then, CAD has become essential to designing and manufacturing hardware Cproducts. Today, there are multiple types of CAD. This column focuses on mechanical CAD, used for mechanical engineering. Digging into the history of computer graphics reveals some interesting connections between the most ambitious and notorious engineers. Ivan Sutherland, who won the Turing Award for Sketchpad in 1988, had Edwin Catmull as a student. Catmull and Pat Hanrahan won the Turing award for their contributions to computer graphics in 2019. This included their work at Pixar building RenderMan [pixar. com], which was licensed to other filmmakers. This led to innovations in hardware, software, and GPUs. Without these innovators, there would be no mechanical CAD, nor would animated films be as sophisticated as they are today. There wouldn’t even be GPUs. Modeling geometries has evolved greatly over time. Solids were first modeled as wireframes by representing the object by its edges, line curves, and vertices. This evolved into surface representation using faces, surfaces, edges, and vertices. Surface representation is valuable in robot path planning as well. Wireframe and surface acmqueue |march-april 2021 5 COMMIT TO 2 OF 12 memory I representation contains only geometrical data. Today, modeling includes topological information to describe how the object is bounded and connected, and to describe its neighborhood.
    [Show full text]
  • 19 Siemens PLM Software
    Chapter 19 Siemens PLM Software (Unigraphics)1 Author’s note: As discussed below, this organization has had a multitude of different names over the years. Many still refer to it simply as UGS and, although that name is no longer formally used, I have used it throughout this chapter. McDonnell Douglas Automation In order to understand how today’s Siemens PLM Software organization and the Unigraphics software evolved one has to go back to an organization in Saint Louis, Missouri called McAuto (McDonnell Automation Company), a subsidiary of the McDonnell Aircraft Corporation. The aircraft industry was one of the first users of computer systems for engineering design and analysis and McDonnell was very proactive in this endeavor starting in the late 1950s. Its first NC production part was manufactured in 1958 and computers were used to help layout aircraft the following year. In 1960 McDonnell decided to utilize this experience and enter the computer services business. Its McAuto subsidiary was established that year with 258 employees and $7 million in computer hardware. Fifteen years later, McAuto had become one of the largest computer services organizations in the world with over 3,500 employees and a computer infrastructure worth over $170 million. It continued to grow for the next decade, reaching over $1 billion in revenue and 14,000 employees by 1985. Its largest single customer during of this period was the military aircraft design group of its own parent company. A significant project during the 1960s and 1970s was the development of an in- house CAD/CAM system to support McDonnell engineering.
    [Show full text]
  • PTC Creo® Parametric
    Data Sheet PTC Creo® Parametric THE ESSENTIAL 3D PARAMETRIC CAD SOLUTION PTC Creo Parametric gives you exactly what you need: the most robust, scalable 3D product design toolset with more power, flexibility and speed to help you accelerate your entire product development process. Where breakthrough products begin • Increase productivity with more efficient and flexible 3D detailed design capabilities Engineering departments face countless challenges • Increase model quality, promote native and as they strive to create breakthrough products. They multi-CAD part reuse, and reduce model errors must manage exacting technical processes, as well as the rapid flow of information across diverse • Handle complex surfacing requirements with ease development teams. In the past, companies seeking • Instantly connect to information and resources on CAD benefits could opt for tools that focused on the Internet – for a highly efficient product ease-of-use, yet lacked depth and process breadth. Or, development process they could choose broader solutions that fell short on usability. With PTC Creo Parametric, companies get The superior choice for speed-to-value both a simple and powerful solution, to create great products without compromise. Through its flexible workflow and sleek user interface, PTC Creo Parametric drives personal engineering PTC Creo Parametric, helps you quickly deliver the productivity like no other 3D CAD software. The highest quality, most accurate digital models. With industry-leading user experience enables direct its seamless Web connectivity, it provides product modeling, provides feature handles and intelligent teams with access to the resources, information snapping, and uses geometry previews, so users can and capabilities they need – from conceptual design see the effects of changes before committing to them.
    [Show full text]
  • The Role of Openbim® in Better Data Exchange for AEC Project Teams the ROLE of OPENBIM® in BETTER DATA EXCHANGE for AEC PROJECT TEAMS 2
    The role of openBIM® in better data exchange for AEC project teams THE ROLE OF OPENBIM® IN BETTER DATA EXCHANGE FOR AEC PROJECT TEAMS 2 Introduction Project Data File type Architectural Model RVT, RFA, SKP, 3ds The success of complex, multi-stakeholder Architecture, Engineering and Construction (AEC) projects relies on smooth Structural Model IFC, CIS/2, RVT collaboration and information sharing throughout the project lifecycle, often across different disciplines and software. The costs 3D Printing STL, OBJ of inadequate interoperability to project teams, according to one analysis of capital facilities projects in the United States, approaches CAD Data DXF, DWG, ACIS SAT 17 billion annually, affecting all project stakeholders.¹ A more recent GIS Data SHP, KMZ, WFS, GML study by FMI and Autodesk’s portfolio company Plangrid found that 52% of rework could be prevented by better data and communication, and that Civil Engineering LandXML, DWG, DGN, CityGML in an average week, construction employees spend 14 hours (around 35% of their time) looking for project data, dealing with rework and/or handling Cost Estimating XLSX, ODBC conflict resolution.² Visualisation Models FBX, SKP, NWD, RVT In the AEC industry, many hands and many tools bring building and infrastructure projects to realisation. Across architects, engineers, contractors, fabricators and Handover to Facilities Management COBie, IFC, XLSX facility managers: inadequate interoperability leads to delays and rework, with ramifications that can reverberate throughout the entirety of the project lifecycle. Scheduling Data P3, MPP Over the last two decades, a strong point of alignment in the AEC industry has been in the development and adoption of the openBIM® collaborative process Energy Analysis IFC, gbXML to improve interoperability and collaboration for building and infrastructure projects.
    [Show full text]
  • Implementation and Evaluation of Kinematic Mechanism Modeling Based on ISO 10303 STEP
    Implementation and evaluation of kinematic mechanism modeling based on ISO 10303 STEP Yujiang Li Master Thesis Royal Institute of Technology School of Industrial Engineering and Management Department of Production Engineering Stockholm, Sweden 2011 © Yujiang Li, March 2011 Department of Production Engineering Royal Institute of Technology SE-100 44 Stockholm Stockholm 2011 Abstract The kinematic mechanism model is an important part of the representation of e.g. machine tools, robots and fixtures. The basics of kinematic mechanism modeling in classic CAD are about to define motion constraints for components relative other components. This technique for kinematic modeling is common for the majority of CAD applications, but the exchange of kinematic mechanism between different CAD applications have been very limited. The ISO 10303 STEP (STandard for the Exchange of Product data) addresses this problem with the application protocol ISO 10303-214 (AP214) which provides an information model for integration of the kinematics with 3D geometry. Several research projects have tried to, as subtasks, implement the kinematic functionality of AP214. But until recently no one have been able to create a valid dataset to prove the standard’s applicability. In this research, a framework for integration of the STEP-based kinematic mechanism modeling with existing commercial CAx systems is presented. To evaluate how well the framework is able to be applied for industrial practices, two applications are developed to demonstrate the major outputs of this research. A pilot standalone application, KIBOS (kinematic modeling based on STEP), is developed to prove the feasibility for Java-based STEP implementation on kinematics and to provide comprehensive operation logic to manipulate the kinematic features in STEP models based on ISO/TS 10303-27 Java binding to the standard data access interface (SDAI).
    [Show full text]
  • Powerpack for SOLIDWORKS® What’S New in Additive Blog of the Month More CAD Formats & Model Repair from the SOLIDWORKS Toolbar Manufacturing?
    Issue 01 | July 2018 CAD ™ Abra3D News from TransMagic and Aroundabra the Industry PowerPack for SOLIDWORKS® What’s New in Additive Blog of the Month More CAD formats & model repair from the SOLIDWORKS toolbar Manufacturing? TransMagic’s PowerPack for SOLIDWORKS is an add-on for Jabil Using 3D Printers SOLIDWORKS that has the following benefits: Does an 80% reduction in delivery time, and 30-40% reduction in cost sound good? 1. Adds new Read and Write capabilities to SOLIDWORKS. Those are the kinds of returns Jabil, a Additional format capabilities can broaden the number of cus- leading manufacturing company, has seen tomers you can work with, as well as provide additional translators when one since adopting the Ultimaker 3D printer for translator fails to perform well. For example, if you run into trouble reading a tooling, jigs and fixtures. Read more about If you’ve ever needed to know complex CATIA V5 surfaced model, you will be in a world of hurt, where the it HERE. the X,Y&Z extents of a CAD only viable option is to repair the model or ask for another format from your model, bounding box is your customer; but, if you have the PowerPack for SOLIDWORKS, you have access 3D Printers Under $4000 Compared for answer; select the part, click the to an entirely different CATIA V5 Read and Write translator which just could Industrial Usage button and you’re done! get the job done. It’s always good to have options, and PowerPack for SOLID- WORKS gives you exactly that. Additional formats include: A semi-transparent bounding box will envelope your part and Read Formats display overall dimensional ACIS, CATIA V4, CATIA V5, values.
    [Show full text]
  • Interactive Design Space Exploration and Optimization for CAD Models
    Interactive Design Space Exploration and Optimization for CAD Models ADRIANA SCHULZ, JIE XU, and BO ZHU, Massachusetts Institute of Technology CHANGXI ZHENG and EITAN GRINSPUN, Columbia University WOJCIECH MATUSIK, Massachusetts Institute of Technology Precomputed Samples Interactive Exploration Parametric min stress Space CAD System Smooth interpolations Optimization Fig. 1. Our method harnesses data from CAD systems, which are parametric from construction and capture the engineer’s design intent, but require long regeneration times and output meshes with different combinatorics. We sample the parametric space in an adaptive grid and propose techniques to smoothly interpolate this data. We show how this can be used for shape optimization and to drive interactive exploration tools that allow designers to visualize the shape space while geometry and physical properties are updated in real time. Computer Aided Design (CAD) is a multi-billion dollar industry used by CCS Concepts: • Computing methodologies → Shape modeling; Shape almost every mechanical engineer in the world to create practically every analysis; Modeling and simulation; existing manufactured shape. CAD models are not only widely available Additional Key Words and Phrases: CAD, parametric shapes, simulation, but also extremely useful in the growing field of fabrication-oriented design because they are parametric by construction and capture the engineer’s precomputations, interpolation design intent, including manufacturability. Harnessing this data, however, ACM Reference format: is challenging, because generating the geometry for a given parameter Adriana Schulz, Jie Xu, Bo Zhu, Changxi Zheng, Eitan Grinspun, and Woj- value requires time-consuming computations. Furthermore, the resulting ciech Matusik. 2017. Interactive Design Space Exploration and Optimization meshes have different combinatorics, making the mesh data inherently dis- for CAD Models.
    [Show full text]
  • PTC® Creo® Essentials Packages Powerful 3D CAD Solutions Optimized for Your Product Development Tasks
    PTC Creo Essentials Packages PTC® CREO® ESSENTIALS PACKAGES Powerful 3D CAD solutions optimized for your product development tasks Product design firms and manufacturing companies are of your specific engineering design tasks and business under constant pressure to develop more products in less requirements as you grow. time, without sacrificing innovation or quality. No matter which package you choose, users will be able PTC’s 3D product design solution, PTC Creo, provides to take advantage of a powerful, intuitive, and comprehen- engineers with the right tools to achieve the highest qual- sive set of 3D CAD capabilities. ity designs in the fastest possible time. And since it is an integral part of PTC’s Product Develop- PTC delivers the most scalable range of 3D CAD product ment System, your 3D CAD solution will seamlessly development packages on the market today. Available connect to PTC’s other industry-leading solutions, including exclusively through PTC Value Added Resellers, the PTC PTC Windchill® for product data/product lifecycle Creo Essentials Packages are easy to use, competitively management (PDM/PLM) and PTC Mathcad® for priced and always upgradeable–to meet the varied needs engineering calculations. Page 1 of 7 PTC.com PTC Creo Essentials Packages PTC Creo Essentials Packages - At a Glance 3D Part & Assembly Design................................................................................... Automated 2D Drawing Creation & Update..................................................... Breakthrough multi-CAD data exchange
    [Show full text]
  • Vlsi Cad Engineering Grace Gao, Principle Engineer, Rambus Inc
    VLSI CAD ENGINEERING GRACE GAO, PRINCIPLE ENGINEER, RAMBUS INC. AUGUST 5, 2017 Agenda • CAD (Computer-Aided Design) ◦ General CAD • CAD innovation over the years (Short Video) ◦ VLSI CAD (EDA) • EDA: Where Electronic Begins (Short Video) • Zoom Into a Microchip (Short Video) • Introduction to Electronic Design Automation ◦ Overview of VLSI Design Cycle ◦ VLSI Manufacturing • Intel: The Making of a Chip with 22nm/3D (Short Video) ◦ EDA Challenges and Future Trend • VLSI CAD Engineering ◦ EDA Vendors and Tools Development ◦ Foundry PDK and IP Reuse ◦ CAD Design Enablement ◦ CAD as Career • Q&A CAD (Computer-Aided Design) General CAD • Computer-aided design (CAD) is the use of computer systems (or workstations) to aid in the creation, modification, analysis, or optimization of a design CAD innovation over the years (Short Video) • https://www.youtube.com/watch?v=ZgQD95NhbXk CAD Tools • Commercial • Freeware and open source Autodesk AutoCAD CAD International RealCAD 123D Autodesk Inventor Bricsys BricsCAD LibreCAD Dassault CATIA Dassault SolidWorks FreeCAD Kubotek KeyCreator Siemens NX BRL-CAD Siemens Solid Edge PTC PTC Creo (formerly known as Pro/ENGINEER) OpenSCAD Trimble SketchUp AgiliCity Modelur NanoCAD TurboCAD IronCAD QCad MEDUSA • ProgeCAD CAD Kernels SpaceClaim PunchCAD Parasolid by Siemens Rhinoceros 3D ACIS by Spatial VariCAD VectorWorks ShapeManager by Autodesk Cobalt Gravotech Type3 Open CASCADE RoutCad RoutCad SketchUp C3D by C3D Labs VLSI CAD (EDA) • Very-large-scale integration (VLSI) is the process of creating an integrated circuit (IC) by combining hundreds of thousands of transistors into a single chip. • The design of VLSI circuits is a major challenge. Consequently, it is impossible to solely rely on manual design approaches.
    [Show full text]
  • Opencascade Tutorial Pdf
    Opencascade tutorial pdf OpencasOcpeancadscadee tuttourial tpdof rial pdf DOWNLOAD! DIRECT DOWNLOAD! Opencascade tutorial pdf This tutorial will teach you how to use Open CASCADE Technology services to model a 3D object. The purpose of this tutorial is not to describe all.Open CASCADE Technology 6. 3 is a minor release, which includes new features. Open CASCADE QT Import Export sample, tutorial, graphic3ddemo and. Not so long ago I Dmitry Semikin started to learn OpenCASCADE. ways to use it, please refer to CASROOTdocthug. And although, OpenCASCADE has extensive documentation both: pdf. Welcome to Open CASCADE Wiki Tutorial Started by D. ways to use it, please refer to CASROOTdocthug.pdf for more details.Tutorial, Build your first application with Open CASCADE. The Open CASCADE tutorial helps you take. Open CASCADE News pdf, www.opencascade.org. In dieser Aufgabe wollen wir uns die Software OpenCascade genauer. opencascade tutorial linux Verzeichnis das Tutorial tutorial.pdf, das beschreibt, wie eine.Open CASCADE utilizes Intel Parallel Studio to optimize development of complex software simulations. Open CASCADE develops solutions for integrating complex software simulation tools for the science. 1210BLACMDPDF.Open Cascade Technology OCCT, formerly called CAS.CADE, is an open source software development platform for 3D CAD, CAM, CAE, etc. opencascade draw tutorial I havent seen anything in opencascade pertaining to sheet metal. You have the opencascade doc look for tutorial.pdf modata.pdf modalg.pdf. A plugin for reading OpenCASCADE file brep, step and iges for. Create 3D PDF from CFD data easily using PDF3D Paraview Plugin. To extend an OpenCascade model of an airplane with a terrain model.
    [Show full text]
  • Automatic Detection of Geometric Features in CAD Models by Characteristics
    784 Automatic Detection of Geometric Features in CAD models by Characteristics Peter Chow1, Tetsuyuki Kubota2 and Serban Georgescu3 1Fujitsu Laboratories of Europe Ltd, [email protected] 2Fujitsu Laboratories of Europe Ltd, [email protected] 3Fujitsu Laboratories of Europe Ltd, [email protected] ABSTRACT In this paper, we detailed a novel 3D detection method for geometric features in CAD models used in CAD-to-CAE model simplification process. Model preparation is now the most time consuming part in the computer-aided engineering process chain, it is commonly labor intensive. Therefore, the overall objectives are: 1) introduce automation to speed-up the model preparation process; 2) remove redun- dant features to reduce model mesh size for fast mesh generation and analysis without compromising on solution accuracy. Automatic feature detection that is generic and easily extendable is a key ele- ment needed to achieve these objectives. Inside the article, we proposed detection by characteristics to complement existing geometric modeling kernels for CAD systems with defeaturing functions to detect features previously not detectable. Keywords: feature detection, model simplification, CAD-to-CAE. 1. INTRODUCTION Figure 1 highlights the simplification process Since the introduction of computer for product design required of a server model for thermal-fluid cooling and development, computer-aided design (CAD) and analysis, from the original CAD model to a simplified computer-aided engineering (CAE), the time for CAD model for CAE. The time given for each phase design and simulation process is decreasing as com- is time required for manual simplification. Automa- puting performance increases. This is good news tion needs to be introduced in this process to scale in time-to-market of product and saves on physical with computer performance increase.
    [Show full text]
  • NX Mach Series Add-On Modules
    NX Mach Series add-on modules NX STEP AP 242* Bidirectional translation using the STEP AP242 translation protocol. NX CATIA V4 translator* Delivers bidirectional translation between Extending product development features and CATIA V4 and NX. Users can access files from the file open, file save as, file import and file capability of NX Mach Series solutions export dialogs. This tool flattens assemblies to a single level on both import and export. Benefits Summary NX CATIA V5 translator* • Extend features and capabilities of The NX Mach™ Series software offers Provides bidirectional translation and reads the NX Mach Series preconfigured solutions targeted to spe- CATPart and CATProduct files. This tool reads cific product development disciplines and coordinate systems, points and part substruc- • Configuration through process-, problems. You can extend and enhance ture, geometry, assembly structure and, attri- industry- and application specific the functionality of the Mach Series with butes of data of color, layer and name into NX. tools add-on modules. These add-ons enable • Flexible token-based licensing you to configure your solutions to spe- cific requirements with specialized design tools, standard parts applications, design- integrated simulation solutions, program- ming and customization toolkits and direct translators. The “Token licensing” marked add-ons in the product overview are part of the NX Pro/E Interface* value- based licensing pool. Token licens- Reads native Pro/E and CREO solids and sur- ing provides you with extra flexibility, as faces from *.prt and *.asm files and creates you can use the tokens to activate any an NX part or assembly. product that is part of the token pool.
    [Show full text]