Tutorials

Grasshopper API link - how to import general plates and beams

Steel

Connection

IDEA Open Model (API)

Grasshopper

Geometry

Plates

In this tutorial, you will learn how to import plates and beams from Rhino into IOM and IDEA StatiCa Connection.

It is sometimes necessary to use plates with unusual shapes arbitrarily rotated in space in complex joints. It comes mainly with the scheme of the joint created in 3rd party software. In such a case, the following tutorial can help you understand how to import the data into IDEA StatiCa Connection.

Grasshopper - Plugin Installation

You can get a trial version of Rhino3d and Grasshopper from the Rhino3d website. Run Rhinoceros and select the template with Meters:

In the Command line, please enter "Package Manager":

A new window appears; select IDEAStatiCa and click Install. The plugin will be downloaded and installed. To become active, a restart of Rhinoceros is necessary.

To start Grasshopper with the IDEA StatiCa plugin, select Tools / Grasshopper in the Rhihoceros tab.

As you can see, the plugin is already incorporated.

Learn about the components and commands in the IDEA StatiCa plugin for Grasshopper in the article Description of Grasshopper plugin components.

Rhino model

Open the attached 3dm file, which contains a column with plates. This model was created directly in Rhinoceros. All elements must be defined by their median plane or centerline axis. The thickness or shape will be determined later in Grasshopper.

Now you can start Grasshopper.

Import of the plates into Grasshopper

For the import of a plate, you need to add these components:

Surface / Analysis / Deconstruct Brep

Surface / Freeform / Boundary Surfaces

IDEA StatiCa / Open Model Create / Create Plate(IOM)

This has to be placed six times, as we have in this example 6 plates.

Also, the material of the plates has to be defined. For this, use the following component:

IDEA StatiCa / Open Model Create / Material by Name (IOM)

Import of the column into Grasshopper

Now we can define the cross-section of the column. We choose CHS 219,1/5, and the components needed to do so are following:

IDEA StatiCa / Open Model Create / Shape by Parameters (IOM)

IDEA StatiCa / Open Model Create / Create Cross-Section (IOM)

The next step is to create a member. For this, you have to take over from Rhino the ends of the centerline of the tube using the component Params / Geometry / Point.

Params / Geometry / Line

IDEA StatiCa / Open Model Create / Create Member 1D (IOM)

IDEA StatiCa / Open Model Create / Create Connection Point (IOM)