Computer-implemented method for space frame design, space frame construction kit and space frame

Patent metadata

Field	Value
Publication number	US-10430548-B2
Application number	US-201514954052-A
Country	US
Kind code	B2
Filing date	Nov 30, 2015
Priority date	Nov 30, 2015
Publication date	Oct 1, 2019
Grant date	Oct 1, 2019

Abstract

A computer-implemented method for space frame design involves constructing a load stress map in a geometrical boundary representation of a design space, defining attachment points and load application points in the design space, creating a starting network of interconnecting lines between each two of the attachment points and load application points in the design space, assigning load application factors to each line of the starting network of interconnecting lines based on values of the load stress map, generating potential space frame designs by culling different subsets of lines of the starting network of interconnecting lines for each potential space frame design according to variable culling parameters, evaluating the potential space frame designs with respect to optimization parameters, combining the culling parameters for the potential space frame designs the performance score of which is above a predefined performance threshold, and iterating the steps of generating potential space frame designs and evaluating the potential space frame designs on the basis of the combined culling parameters.

First claim

What is claimed is:

1. A method of making a space frame construction kit, the method comprising:
receiving a truss model generated to optimize a plurality of load paths through a truss for a space frame by iteratively evaluating a plurality of potential space frame designs, wherein receiving the truss model comprises supplying a plurality of optimization parameters to a computer system executing a metaheuristic optimization algorithm;
fabricating a plurality of space frame rods based on the truss model, including fabricating each space frame rod to dimensionally match a modelled space frame rod in the truss model; and
fabricating a plurality of connectors for connecting the plurality of space frame rods based on the truss model;
wherein fabricating the plurality of space frame rods and the plurality of connectors comprises fabricating at least a first one of the space frame rods to comprise an angled pin connector integrally formed at an end portion of the first space frame rod with angled pins being spaced apart from and protruding parallel to an end face of the first space frame rod.

2. The method of claim 1 , wherein fabricating the plurality of space frame rods and the plurality of connectors comprises:
fabricating at least a second one of the space frame rods to comprise an angled socket connector integrally formed at an end portion of the second space frame rod with angled tubes as sockets for the angled pins of the first space frame rod, the angled tubes being spaced apart from and protruding parallel to an end face of the second space frame rod.

3. The method of claim 1 , further comprising constructing the space frame from the space frame construction kit by assembling the space frame rods within a fixed frame and connecting matching connectors of the plurality of connectors based on the truss model.

4. The method of claim 3 , further comprising constructing a structural aircraft component from the space frame.

5. The method of claim 3 , further comprising constructing an aircraft cabin partition wall comprising a substantially planar core panel from the space frame.

6. The method of claim 1 , wherein fabricating the plurality of space frame rods and the plurality of connectors comprises supplying the truss model as input geometry for an additive manufacturing process.

7. The method of claim 1 , wherein the optimization parameters include an expected weight of the space frame rods and a deformation/displacement of the space frame rods under external stress.

Assignees

• Airbus Operations Gmbh

Inventors

• Schaefer Bastian
• Somda Martial Nabankele

Classifications

• B64C1/08 Primary

  Geodetic or other open-frame structures · CPC title

• G06F30/17 Primary

  Mechanical parametric or variational design · CPC title

• B33Y80/00

  Products made by additive manufacturing · CPC title

• B64D11/0023

  Movable or removable cabin dividers, e.g. for class separation · CPC title

• B64F5/00

  Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for · CPC title