Karamba3D v2
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English 英文
English 英文Chinese 中文
  • Welcome to Karamba3D
  • New in Karamba3D 2.2.0
  • See Scripting Guide
  • See Manual 1.3.3
  • 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: Physical Units
      • 2.4: Quick Component Reference
  • 3: In Depth Component Reference
    • 3.0 Settings
      • 3.0.1 Settings
      • 3.0.2 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: Line to Beam
      • 3.1.7: Connectivity to Beam
      • 3.1.8: Index to Beam
      • 3.1.9: Mesh to Shell
      • 3.1.10: Modify Element
      • 3.1.11: Point-Mass
      • 3.1.12: Disassemble Element
      • 3.1.13: Make Beam-Set 🔷
      • 3.1.14: Orientate Element
      • 3.1.15: Dispatch Elements
      • 3.1.16: Select Elements
      • 3.1.17: Support
    • 3.2: Load
      • 3.2.1: General Loads
      • 3.2.2: Beam Loads
      • 3.2.3: Disassemble Mesh Load
      • 3.2.4: Prescribed displacements
    • 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: ModelView
      • 3.7.2: Deformation-Energy
      • 3.7.3: Element Query
      • 3.7.4: Nodal Displacements
      • 3.7.5: Principal Strains Approximation
      • 3.7.6: Reaction Forces 🔷
      • 3.7.7: Utilization of Elements 🔷
        • Examples
      • 3.7.8: BeamView
      • 3.7.9: Beam Displacements 🔷
      • 3.7.10: Beam Forces
      • 3.7.11: Node Forces
      • 3.7.12: ShellView
      • 3.7.13: Line Results on Shells
      • 3.7.14: Result Vectors on Shells
      • 3.7.15: Shell Forces
      • 3.7.16 Results at Shell Sections
    • 3.8: Export 🔷
      • 3.8.1: Export Model to DStV 🔷
      • 3.8.2 Json / Bson Export and Import
    • 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
    • 3.10 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
      • 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: Hints on Reducing Computation Time
      • 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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  • Principal Shell Forces
  • Local Shell Forces

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  1. 3: In Depth Component Reference
  2. 3.7: Results

3.7.15: Shell Forces

Previous3.7.14: Result Vectors on ShellsNext3.7.16 Results at Shell Sections

Last updated 3 years ago

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With the “Shell Forces”-component one can retrieve principal or local shell cross section forces. Use the drop-down-list at the bottom of the component to switch between “Principal” and “Local”.

Principal Shell Forces

Sometimes it is of interest to know the value of principal normal forces and moments on shells. In such cases the “Shell Forces”-component for principal forces comes in handy. The order of all result lists corresponds to the order of faces in the mesh used to generate the shell, which is the same order as the “Principal Force Directions on Shells”-component. Thus the element centers returned there can be used in combination with the numeric results.

Distributed normal forces are negative in case of compression. Positive bending moments result in tension on the upper side of a shell. The upper side of a shell element is defined by a positive value of the local Z-axis. When in doubt about the orientation of your shell elements enable the preview of local element axes in the “ModelView”-component (see section ). The output-plugs “vx” and “vy” return transverse shear forces along lines parallel to the shells local x- and y-axis.

Local Shell Forces

When setting the result type to “Local” the shell cross section forces in local coordinate directions will be output. See section on how to change the local coordinate systems of shells.

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Shell_Two_Patches_Results.gh
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