GSE General Structural Engineering Software

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Part of the GSE (General Structural Engineering) software, GSE ALUMINUM DESIGN is the industry standard for the design and verification of aluminum structures of any type. The program designs or verifies the whole or a part of a structure using standard sections or parametric section shapes (over 30 shapes available).

The unmatched graphical user interface of the GSE software allows to create, analyze and design large and complex models quickly and easily.

The GSE Aluminum program designs or verifies according to the American code 2015 Edition of the Aluminum Design Manual published by the Aluminum Association and the Canadian CAN/CSA S157-05 design code.

The GSE ALUMINUM allows to verify aluminum members with standard sections and non-standard sections. The program is made to let the user retain full control over the design process.

All parameters required to calculate the resistance of the elements such as unbraced lengths, buckling lengths, buckling factors, end welding, in span welding, slenderness limit, and others. They can be customized either graphically or from spreadsheets.


The Aluminum verification module allows to compute the resistance and limit states for the aluminum elements in the model. The calculations of the elements resistance is performed according to the AA-ADM-2015 standard.

The program allows to perform verifications such as Compression, Tension, Bending, Compression-Bending, Tension-bending, Shear, Torsion and Warping.


The program calculates the bending, compression, tension, shear and combined resistance of aluminum based on the results of a linear, P-Delta, non-linear, seismic, dynamic or moving load analysis. Singly symmetric, asymmetric and built-up section shapes are covered for all design codes.

•Aluminum design codes
• Member Attributes – Aluminum
• Bending Parameters
• Compression and Tension parameters
• Welds parameters
• Recalculate
• Redesign selected members
• Design summary


The compressive resistance (Cr) of a member is calculated according to clauses 9.4.1, 9.4.2 and 9.4.3. The slenderness of the plates is determined according to clauses 8.2.1, 8.2.2, 8.3.1, 8.3.2 and 10.2.1.

The torsional buckling stress is calculated using the method presented in clause 13.3.2 of the CAN/CSA S16 code from where the equations of clauses and of the CAN/CSA-S157 code are taken (see commentary C9.4.3.3).

The compressive resistance of a built-up section is calculated according to clause 9.8.2.


The bending resistance (Mr) of a member is calculated according to clauses 9.5.2 (resistance of the cross section) and 9.5.3 (lateral torsional buckling). The slenderness of the plates is determined according to clauses 8.2.1, 8.2.2, 8.3.1, 8.3.2 and 10.2.1.

The lateral torsional buckling resistance is calculated using the general lateral torsional buckling equation. The equation presented in clause is a simplification of this general equation.


The welds have an important influence on the resistance of aluminum elements. The program distinguishes two types of welds which are end welds and in-span welds. Each of these types of welds may be full (affecting the entire cross section) or partial (affecting a portion of the cross section).

In the case of full welds, the ratios of welded area (Aw/Ag) are considered equal to 1.0.

In the case of partial welds, the ratio of welded area for each flat segment must be specified. Partial weld ratios on each segment are used in the calculation of the critical local buckling stresses of flat and curved segments in compression.


GSE General Structural Engineering


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Fully integrated into the GSE software, the GSE ALUMINUM DESIGN application enables design and verification of aluminum structures.