LARSA: Getting Results
Beyond graphics and spreadsheets, LARSA 2000/4D provides a number of unique tools for processing analysis results.


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Graphical Results

All results can be viewed graphically, including displacements, moment and stress diagrams, plate forces and contours, mode shapes, and yield. Graphics, including animations, can be exported to bitmap and AVI format.

The Results Menu

Results Spreadsheets

Results spreadsheets show the results for selected objects and selected result cases. One click switches between case-by-case view and envelope view. Spreadsheets can be sorted on one or more columns, and data can be exported to the clipboard or to a file in Excel, CSV, and other formats.

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Envelopes

Getting envelopes of results is as easy as clicking on the result cases to view, which are listed in the Analysis Results Explorer on the right side of the screen. Graphics and spreadsheets automatically show envelopes when appropriate.

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Linear Result Combinations

Linear results combinations can be used to create a factored load combination after an analysis has been completed by adding together the results of solved load cases as they are requested. Linear result combinations become regular result cases with which all of the usual results tools can be used, including graphics, spreadsheets, and graphs. When linear results combinations is used with influence based load positioning, the maximum and minimum extreme values for any combination of load cases with vehicle and lane loads can be obtained without any need for large disk storage or extra analysis time.

Linear Result Combinations

Extreme Effect Groups

Extreme effect groups allow you to set up result cases that represent the "worst case" out of a group of cases. These groups always report the minimum and maximum values from a group of cases, enveloping over a particular result. Extreme effect groups are calculated on-the-fly and do not require a reanalysis.

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Load Classes & Load Combination Wizard

Classification of loads is essential for code-based load combinations. Load cases are assigned classes, such as dead or live, so that the automated load combination wizard can create combinations automatically based on a chosen design code.

The load combination wizard supports AASHTO LFD, AASHTO service load, AASHTO LRFD, AISC LRFD, CISC, IRC, and user-defined combinations.

LARSA 2000/4D automatically assigns load classes to time-dependent analysis results, such as creep, shrinkage, and prestressing effects.

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Presentation Output

Animations generated by LARSA 2000 are perfect for presentations to clients. Generated as AVI files, animations can be construction activities, simple rotations, vehicles marching along a lane, mode shapes, or even bridge drive-throughs.

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