Karamba3D v3
  • Welcome to Karamba3D
  • New in Karamba3D 3.1
  • See Scripting Guide
  • See Manual 2.2.0
  • 1 Introduction
    • 1.1 Installation
    • 1.2 Licenses
      • 1.2.1 Cloud Licenses
      • 1.2.2 Network Licenses
      • 1.2.3 Temporary Licenses
      • 1.2.4 Standalone Licenses
  • 2 Getting Started
    • 2 Getting Started
      • 2.1 Karamba3D Entities
      • 2.2 Setting up a Structural Analysis
        • 2.2.1 Define the Model Elements
        • 2.2.2 View the Model
        • 2.2.3 Add Supports
        • 2.2.4 Define Loads
        • 2.2.5 Choose an Algorithm
        • 2.2.6 Provide Cross Sections
        • 2.2.7 Specify Materials
        • 2.2.8 Retrieve Results
      • 2.3 The Karamba3D Menu
      • 2.4 User Settings
      • 2.5 Physical Units
      • 2.6 Asynchronous Execution of Karamba3D Components
      • 2.7 Quick Component Reference
  • 3 In Depth Component Reference
    • 3.0 Settings
      • 3.0.1 License
    • 3.1 Model
      • 3.1.1 Assemble Model
      • 3.1.2 Disassemble Model
      • 3.1.3: Modify Model
      • 3.1.4: Connected Parts
      • 3.1.5: Activate Element
      • 3.1.6 Create Linear Element
        • 3.1.6.1 Line to Beam
        • 3.1.6.2 Line to Truss
        • 3.1.6.3 Connectivity to Beam
        • 3.1.6.4: Index to Beam
      • 3.1.7 Create Surface Element
        • 3.1.7.1: Mesh to Shell
        • 3.1.7.2: Mesh to Membrane
      • 3.1.8: Modify Element
      • 3.1.9: Point-Mass
      • 3.1.10: Disassemble Element
      • 3.1.11: Make Element-Set
      • 3.1.12: Orientate Element
      • 3.1.13: Dispatch Elements
      • 3.1.14: Select Elements
      • 3.1.15: Support
    • 3.2: Load
      • 3.2.1: General Loads
      • 3.2.2: Beam Loads
      • 3.2.3: Disassemble Mesh Load
      • 3.2.4 Load-Case-Combinations
        • 3.2.5.1 Load-Case-Combinator
        • 3.2.5.2 Disassemble Load-Case-Combinaton
        • 3.2.5.3 Load-Case-Combination Settings
    • 3.3: Cross Section
      • 3.3.1: Beam Cross Sections
      • 3.3.2: Shell Cross Sections
      • 3.3.3: Spring Cross Sections
      • 3.3.4: Disassemble Cross Section
      • 3.3.5: Eccentricity on Beam and Cross Section
      • 3.3.6: Modify Cross Section
      • 3.3.7: Cross Section Range Selector
      • 3.3.8: Cross Section Selector
      • 3.3.9: Cross Section Matcher
      • 3.3.10: Generate Cross Section Table
      • 3.3.11: Read Cross Section Table from File
    • 3.4: Joint
      • 3.4.1: Beam-Joints
      • 3.4.2: Beam-Joint Agent
      • 3.4.3: Line-Joint
    • 3.5: Material
      • 3.5.1: Material Properties
      • 3.5.2: Material Selection
      • 3.5.3: Read Material Table from File
      • 3.5.4: Disassemble Material
    • 3.6: Algorithms
      • 3.6.1: Analyze
      • 3.6.2: AnalyzeThII
      • 3.6.3: Analyze Nonlinear WIP
      • 3.6.4: Large Deformation Analysis
      • 3.6.5: Buckling Modes
      • 3.6.6: Eigen Modes
      • 3.6.7: Natural Vibrations
      • 3.6.8: Optimize Cross Section
      • 3.6.9: BESO for Beams
      • 3.6.10: BESO for Shells
      • 3.6.11: Optimize Reinforcement
      • 3.6.12: Tension/Compression Eliminator
    • 3.7 Results
      • 3.7.1 General Results
        • 3.7.1.1 ModelView
        • 3.7.1.2 Result Selector
        • 3.7.1.3 Deformation-Energy
        • 3.7.1.4 Element Query
        • 3.7.1.5 Nodal Displacements
        • 3.7.1.6 Principal Strains Approximation
        • 3.7.1.7 Reaction Forces
        • 3.7.1.8 Utilization of Elements
        • 3.7.1.9 ReactionView
      • 3.7.2 Results on Beams
        • 3.7.2.1 BeamView
        • 3.7.2.2 Beam Displacements
        • 3.7.2.3 Beam Forces
        • 3.7.2.4 Node Forces
      • 3.7.3 Results on Shells
        • 3.7.3.1 ShellView
        • 3.7.3.2 Line Results on Shells
        • 3.7.3.3 Result Vectors on Shells
        • 3.7.3.4 Shell Forces
        • 3.7.3.5 Shell Sections
    • 3.8 Export
      • 3.8.1 Export Model to DStV
      • 3.8.2 Json/Bson Export and Import
      • 3.8.3 Export Model to SAF
      • 3.8.4 Export/Import Model to and from Speckle (WIP)
    • 3.9 Utilities
      • 3.9.1: Mesh Breps
      • 3.9.2: Closest Points
      • 3.9.3: Closest Points Multi-dimensional
      • 3.9.4: Cull Curves
      • 3.9.5: Detect Collisions
      • 3.9.6: Get Cells from Lines
      • 3.9.7: Line-Line Intersection
      • 3.9.8: Principal States Transformation
      • 3.9.9: Remove Duplicate Lines
      • 3.9.10: Remove Duplicate Points
      • 3.9.11: Simplify Model
      • 3.9.12: Element Felting
      • 3.9.13: Mapper
      • 3.9.14: Interpolate Shape
      • 3.9.15: Connecting Beams with Stitches
      • 3.9.16: User Iso-Lines and Stream-Lines
      • 3.9.17: Cross Section Properties
      • 3.9.18 Surface To Truss
    • 3.10 Parametric UI
      • 3.10.1: View-Components
      • 3.10.2: Rendered View
  • Troubleshooting
    • 4.1: Miscellaneous Questions and Problems
      • 4.1.0: FAQ
      • 4.1.1: Installation Issues
      • 4.1.2: Purchases
      • 4.1.3: Licensing
      • 4.1.4: Runtime Errors
      • 4.1.5: Definitions and Components
      • 4.1.6: Default Program Settings
    • 4.2: Support
  • Appendix
    • A.1: Release Notes
      • Work in Progress Versions
      • Older Versions
      • Version 2.2.0
      • Version 2.2.0 WIP
      • Version 1.3.3
      • Version 1.3.2 build 190919
      • Version 1.3.2 build 190731
      • Version 1.3.2 build 190709
      • Version 1.3.2
    • A.2: Background information
      • A.2.1: Basic Properties of Materials
      • A.2.2: Additional Information on Loads
      • A.2.3: Tips for Designing Statically Feasible Structures
      • A.2.4: Performance Optimization in Karamba3D
      • A.2.5: Natural Vibrations, Eigen Modes and Buckling
      • A.2.6: Approach Used for Cross Section Optimization
    • A.3: Workflow Examples
    • A.4: Bibliography
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  1. 3 In Depth Component Reference
  2. 3.1 Model

3.1.14: Select Elements

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Last updated 8 months ago

Use the “Select Elements” component to filter elements based on specific properties. The selected elements can then be used to retrieve results, calculate their mass, surface area, volume, or generate meshes (see the “Element Query” component).

Fig. 3.1.14.1 shows how this works: the input plugs “ElemIds”, “Colors”, “CrosSecs”, “Materials”, “LenInter”, and “ElemTypes” can be supplied with lists of element identifiers, colors, cross sections, materials, length intervals, and type indexes. The values in each input plug form criteria via “OR”. For example, in Fig. 3.1.14.1, the selected elements may be either purple or red. The individual input plugs are connected via “AND”: in the image below, the selected element must be named “Membrane_D”, be red or purple, and be either a membrane or shell, and so on.

For shells and membranes, the length refers to the diagonal of their axis-aligned bounding box. For 1-D elements, it is simply their length. The element types are indexed starting with zero. Right-click on the component icon and select “Expand ValueLists” to make the value-list input appear.

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ElementSelection.gh
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ElementSelection_I.gh
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ElementSelection_II.gh
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Select_Element.gh
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SelectionViaElementSet.gh
Fig. 3.1.14.1: Selection of elements via identifiers, colors, cross sections, materials, size and type.