IP Library › Granted Patent US 12,430,477
Granted Patent B2
US 12,430,477 · App. 17/324,920 · Granted Sep 30, 2025

Techniques for automatically designing structural systems for arbitrarily shaped buildings

Inventors: Konara Mudiyanselage Kosala Bandara (Beckenham, GB); Musabbir Abdul Majeed (Milton Keynes, GB); Jayamal Bandara Wijeratne Rajapakse Konara Mudiyanselage (Brentwood, GB)
Assignee: AUTODESK, INC.
G06F30/13
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Quick Facts
Patent No.
US 12,430,477
App. No.
17/324,920
Granted
Sep 30, 2025
Kind
B2
Abstract

In various embodiments, a grid-based design application automatically generates a design for a structural system of a building. In operation, the grid-based design application generates a structural grid based on a region within a computer-aided design of the building. Subsequently, the grid-based design application applies the structural grid to the region to generate a gridded region. The grid-based design application computes a set of spanning directions based on the gridded region. The grid-based design application then generates at least a portion of the design for the structural system based on the set of spanning directions and the gridded region.

Claims (59)

1. A computer-implemented method for automatically generating a design for a structural system of a building, the method comprising:

generating a first structural grid based on a first region within a computer-aided design of the building;

applying the first structural grid to the first region to generate a first gridded region;

computing a plurality of spanning directions for a plurality of slabs based on the first gridded region and based on whether the design for the structural system is to include at least one joist; and

generating at least a portion of the design for the structural system based on the plurality of spanning directions for the plurality of slabs and the first gridded region.

2. The computer-implemented method of claim 1 , wherein the first region represents a first arbitrarily shaped portion of a floor of the building.

3. The computer-implemented method of claim 1 , wherein generating the first structural grid comprises:

performing one or more clustering operations based on a plurality of boundary edges associated with the first region to determine a grid orientation; and

generating one or more grid lines that are parallel to the grid orientation and one or more grid lines that are perpendicular to the grid orientation based on the first region and at least one of a grid spacing, a grid aspect ratio, or an offset alignment.

4. The computer-implemented method of claim 1 , wherein generating the first structural grid comprises:

performing one or more clustering operations based on a plurality of boundary edges associated with the first region to determine a plurality of grid orientations;

executing one or more optimization algorithms based on the plurality of grid orientations and a plurality of grid spacings to determine a first grid variable combination that specifies a first grid orientation included in the plurality of grid orientations and a first grid spacing included in the plurality of grid spacings; and

generating a plurality of grid lines based on the first grid variable combination.

5. The computer-implemented method of claim 1 , wherein applying the first structural grid to the first region comprises partitioning the first region into a plurality of grid modules that are included in the first gridded region based on the first structural grid.

6. The computer-implemented method of claim 1 , wherein computing the plurality of spanning directions for the plurality of slabs comprises:

determining that a first spanning length associated with a first edge of a first slab of the plurality of slabs is shorter than a second spanning length associated with a second edge of the first slab of the plurality of slabs;

setting a first spanning direction associated with the first slab of the plurality of slabs equal to a direction that is orthogonal to the first edge; and

aggregating the first spanning direction and at least a second spanning direction associated with a second slab of the plurality of slabs.

7. The computer-implemented method of claim 1 , wherein generating the at least a portion of the design for the structural system comprises:

generating an initial region design that specifies at least one slab and at least one joist based on the first gridded region and the plurality of spanning directions for the plurality of slabs; and

executing at least one optimization algorithm on the initial region design based on one or more constraints and one or more design objectives to generate a first portion of the design for the structural system.

8. The computer-implemented method of claim 7 , wherein the one or more design objectives include at least one of minimizing total weight, minimizing embodied carbon, minimizing material cost, or minimizing material waste.

9. The computer-implemented method of claim 1 , wherein the at least a portion of the design for the structural system comprises a first region design, and further comprising aggregating at least the first region design and a second region design associated with both a second region within the computer-aided design of the building and a second structural grid to generate the design for the structural system.

10. The computer-implemented method of claim 1 , wherein a shape of a slab of the plurality of slabs represented by a portion of the first gridded region is based on one or more grid lines included in the first structural grid.

11. One or more non-transitory computer readable media including instructions that, when executed by one or more processors, cause the one or more processors to automatically generate a design for a structural system of a building by performing the steps of:

generating a first structural grid based on a first region within a computer-aided design of the building;

applying the first structural grid to the first region to generate a first gridded region;

computing a plurality of spanning directions for a plurality of slabs based on the first gridded region and based on whether the design for the structural system is to include at least one joist; and

generating at least a portion of the design for the structural system based on the plurality of spanning directions for the plurality of slabs and the first gridded region.

12. The one or more non-transitory computer readable media of claim 11 ,

wherein the first region represents a first arbitrarily shaped portion of a floor of the building.

13. The one or more non-transitory computer readable media of claim 11 , wherein generating the first structural grid comprises:

performing one or more clustering operations based on a plurality of boundary edges associated with the first region to determine a grid orientation;

generating one or more grid lines that are parallel to the grid orientation and one or more grid lines that are perpendicular to the grid orientation; and

modifying at least one of the one or more grid lines that are parallel to the grid orientation based on a first architectural feature represented by the first region.

14. The one or more non-transitory computer readable media of claim 11 , wherein generating the first structural grid comprises:

performing one or more clustering operations based on a plurality of boundary edges associated with the first region to determine a plurality of grid orientations;

executing one or more optimization algorithms based on the plurality of grid orientations and a plurality of grid spacings to determine a first grid variable combination that specifies a first grid orientation included in the plurality of grid orientations and a first grid spacing included in the plurality of grid spacings; and

generating a plurality of grid lines based on the first grid variable combination.

15. The one or more non-transitory computer readable media of claim 11 , wherein applying the first structural grid to the first region comprises partitioning the first region into a plurality of grid modules that are included in the first gridded region based on the first structural grid.

16. The one or more non-transitory computer readable media of claim 11 , wherein computing the plurality of spanning directions for the plurality of slabs comprises:

determining that a first spanning length associated with a first edge of a first slab of the plurality of slabs is within an arbitration range of a second spanning length associated with a second edge of the first slab;

determining a first spanning direction based on a first direction associated with the first edge, a second direction associated with the second edge, and an arbitration direction; and

aggregating the first spanning direction and at least a second spanning direction associated with a second slab of the plurality of slabs.

17. The one or more non-transitory computer readable media of claim 11 , wherein generating the at least a portion of the design for the structural system comprises:

generating an initial region design that specifies at least one slab of the plurality of slabs and at least one joist based on the first gridded region and the plurality of spanning directions for the plurality of slabs; and

executing at least one optimization algorithm on the initial region design based on one or more constraints and one or more design objectives to generate a first portion of the design for the structural system.

18. The one or more non-transitory computer readable media of claim 17 , wherein the one or more design objectives include at least one of minimizing total weight, minimizing embodied carbon, minimizing material cost, or minimizing material waste.

19. The one or more non-transitory computer readable media of claim 11 , wherein the at least a portion of the design for the structural system comprises a first region design, and further comprising:

generating a second region design based on the first region and a second structural grid;

determining that a first degree of convergence between the first region design and one or more design objectives is higher than a second degree of convergence between the second region design and the one or more design objectives; and

in response, aggregating at least the first region design and a third region design associated with a second region within the computer-aided design of the building to generate the design for the structural system.

20. A system comprising:

one or more memories storing instructions; and

one or more processors coupled to the one or more memories that, when executing the instructions, perform the steps of:

generating a first structural grid based on a first region within a computer-aided design of a building;

applying the first structural grid to the first region to generate a first gridded region;

computing a plurality of spanning directions for a plurality of slabs based on the first gridded region and based on whether the design for the building is to include at least one joist; and

generating at least a portion of a design for a structural system of the building based on the plurality of spanning directions for the plurality of slabs and the first gridded region.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 10, 2021
From: BANDARA, KONARA MUDIYANSELAGE KOSALA; MAJEED, MUSABBIR ABDUL; MUDIYANSELAGE, JAYAMAL BANDARA WIJERATNE RAJAPAKSE KONARA
To: AUTODESK, INC.
Reel/Frame 057138/0046 →
Continuity (3)
Continuation In Part 17127479 · Dec 18, 2020
Provisional Application 63171018 · Apr 5, 2021
Related Publication 20220198083A1 · Jun 23, 2022
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