Technical FAQ
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- Analysing for non-linear cross-sectional thermal gradients
In order to model non-linear cross sectional thermal gradients, break the section into a suitable number of strips/sections which are then compounded to make the ... - Applying prestress
Enable prestressing by selecting the prestress advanced feature preference ('Tools | Preferences | Advanced') Then individual bars can be prestressed with force or strain in the ... - Applying pressure to a curved 'surface' of beam elements
You can apply a pressure normal to a curved 'surface' of Beam elements using Grid Area Loads, as follows: Define a Grid Plane onto which the ... - Avoiding 'corrupted elements' after converting from Quad4 to Quad8
2D elements sometimes appear to be corrupted by using the sculpt ?Modify elements? option to convert from 'linear' to 'parabolic' (e.g. Quad4 to Quad8). In ... - Analysing models with short, stiff elements
Models containing short stiff elements can cause ill-conditioning in GSS analysis and a failure to converge in GsRelax analysis. In this circumstance Link elements should ... - Animated graphics
It's easy to animate graphics in GSA. Click the 'Animate' button and the current image is animated according to the settings specified in 'Graphic Settings ... - A Saved View is not a JPEG
GSA offers options to save the Graphic View image to file using the 'Graphics | Save Image | Save WMF', '...PNG', '...JPEG' or 'DXF' commands. ... - Analysis of rigid constraints
The inclusion of a rigid constraint in a model significantly increases the amount of memory required during GSS analysis. This is because all nodes in ... - Applying beam loads along a string of elements
A beam load may be applied to a string of elements using the 'Sculpt | Create Element Loading | Create Beam Load' command. In the ... - Axes in GSA
Axes are essential to the geometric description of a GSA model. When the structure is orthogonal, the default axes are all that are needed. But when ... - Analysis Stages in GSA
Setting up a staged analysis is very simple in GSA. Ensure that Analysis Stages are enabled in the Preferences (Tools | Preferences | Advanced Features) Define the ... - AdSec or ADC?
We are often asked when it is best to use ADC and when AdSec? After all, they both design reinforced concrete. This is of course true, ... - Analysis fails with "Vertical effective stress < 0" when using undrained pore pressure calculations (Frew v18.2 and earlier)
In the undrained stages - drop the "data" pore pressures completely out of the undrained material - if they are absent, the effective stress check ...