Oasys GSA Documentation

# Introduction

WARNING

GSA-Grasshopper plugin is pre-release and under active development, including further testing to be undertaken. It is provided "as-is" and you bear the risk of using it. Future versions may contain breaking changes. Any files, results, or other types of output information created using the plugin should not be relied upon without thorough and independent checking.

# Overview

GSA-Grasshopper is a Grasshopper (opens new window) plugin wrapping GSA's .NET API.

The plugin enables you to work parametrically with GSA, utilising the powerful geometry engine in Rhino and the low-entry, visual scripting of Grasshopper.

# Parameters

Go to the Parameters page to explore the underlying data being sent between components.

# Components

Or head over to the Components page to get an overview of all components and their categories.

# Features

Run GSA headless through the .NET API

  • Fast and responsive, utilising the speed of GSA's solver
  • No 'interoperability'; you are literally running GSA inside Rhino's process

Easy handling of units

  • All components and parameters are underpinned by units
  • Convert to and from any relevant engineering units
  • Based on opensource UnitsNet (opens new window), and extended with engineering units by Oasys

Work with existing files

  • Not all team members required to know how to use Grasshopper
  • Share GSA files (.gwb) created parametrically in Grasshopper with colleagues for checking or further work
  • Open existing GSA files (.gwb) inside Grasshopper

Geometry transformations

  • Use all build-in Grasshopper components for geometry transformations, like: move, mirror, morph, array, twist, offset, etc.

Meshing

  • Utilise GSA's powerful meshing capabilities inside Grasshopper; GSA-GH uses one of the fastest and most robust FE meshing algorithms on the market
  • Create your geometry using Members and let GSA handle intersections and the creation of the analytical model

Results

  • Visualise results within Rhino/Grasshopper to check your design, or use it to automate your engineering workflow
  • Combinations: Use the powerful post-processing tools in GSA for creating and retrieving combination case results

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