Engineering analysis and design software
Civil and Structural engineering

Software Tour

Viewing results

LUSAS Civil & Structural has a host of easy to use results processing and viewing facilities to help you get the most from your analysis.

  • Results for all or selected parts of a model can be viewed using separate layers for diagram, contour, vector and discrete value data.
  • Loadcases are selected on a window basis, allowing multiple views of the model, with each window displaying results for different loadcases.
  • Basic load combinations allow for manual definition of loadcases to be included and load factors to be used.
  • Smart Combinations generate maximum and minimum results, taking account of adverse and relieving effects, substantially reducing the number of combinations and envelopes required.
  • Envelopes of multiple loadcases provide maximum and minimum results.
  • Bending moment and shear force diagrams can be plotted and structural deflections visualised.
  • Contour ranges and vector/diagram scales can be controlled locally in each window or set globally to apply to all windows.
  • Results can be displayed in global or local directions, in element directions, or at any specified orientation
  • Results can be plotted on deformed or undeformed mesh plots, and on fleshed or unfleshed beam sections.
  • Multiple slices may be cut through 3D solid models on arbitrary planes and made visible or invisible in any window.
  • Results can be selectively output to spreadsheet applications for additional calculation and graphing uses
  • For concrete modelling, plotting of crack width contours, and values can be carried out for supported design codes.
  • Inspection locations provide the means to obtain results for user-defined positions of interest on a model.

Graphing

A graph wizard provides a step by step means of selecting results data to be drawn on a graph. Arbitrary line sections may also be taken through any surface model or on a slice cut through a three dimensional solid model. Numerical data used to create the graph is displayed in a grid style alongside the graph.

Animations

Animations of results - particularly useful for animating construction stages, mode shapes, viewing of structural response to moving loads and seismic events, and for investigating the spread of concrete cracking or yielded material - can be created and saved as AVI files for use in other Windows applications.

Dobwalls Bypass tunnel : modelling of backfill procedure

Reinforced Concrete Slab Design

The reinforced concrete slab design facility supports plotting of contours and values that indicate flexural reinforcement requirements at Ultimate Limit State (ULS) or design crack width at Serviceability Limit State (SLS) for design codes that support this. Calculations carried out are for reinforced concrete slabs (without prestressing) that are modelled using plate or shell elements. For ULS, both bending only (using Wood-Armer), and bending and in-plane effects (using Clark-Nielsen) can be considered. For SLS, both bending-only (using principal moments), and bending and in-plane effects (using principal stresses) can be considered, if supported by a chosen design code. 

Reinforcement arrangements are defined using RC slab design attributes. Multiple slab design attributes may be defined and assigned to relevant features on a model. Values and results contours for a chosen results component can be displayed for a stated slab face and for a previously chosen Code of Practice using standard values and contour plotting facilities.

Design codes supported include:

  • AASHTO LRFD 7th, 6th, 5th Editions
  • AS5100-5-2004, AS3600-2009
  • BS5400-4, BS8007:1987, BS8110-1:1997 & BS8110-2:1985, BS EN1992-2:2005/NA:2007, BS EN 1992-1-1:2004/NA:2005
  • CAN/CSA S6-06, S6.1-06
  • Eurocode EN1992-1-1 and EN1992-2
  • IRC: 112-2011, IRS: CBC-1997
  • SS CP65: Part 1 and 2: 1999, SS EN1992-1-1/NA 2008 Amd 1.

User-defined Results

An in-built user-defined results calculation facility allows LUSAS model and results parameters to be used in arithmetic expressions to give spreadsheet-style capabilities. See Software customisation for details.

Printed Results

Views of your LUSAS model may be printed directly to your default printer from page layout or working mode and a printing scale and origin can be defined. Model views can also be saved as high resolution BMP, JPG, or WMF files. A report wizard allows model and results data to be selected on an element, feature type, group, and loadcase basis for output into an easy- to- read Word report for model checking purposes, quality assurance and for listing of results.

Report generator

Report templates hold user-defined information to generate customised reports. One-click reports can be created for selected members, and general modelling, loadcase and results data can be selected for inclusion in a main report on an element, feature type, group, and loadcase basis. Screenshots, saved images of model, graphs, and one-click reports can also be included. Each time a report is created, up to date modelling and results data are extracted ensuring model and report compatibility at all times. Report data may be exported to Excel spreadsheets, Word, PDF and other formats for quality assurance, model checking, and results listing purposes.

Output to 3rd Party Software

The contents of a model window can be saved or copied for use in creating reports in applications such as MS Word. All results can be output for use in spreadsheet applications such as MS Excel where additional graphing or calculations can be carried out.

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LUSAS is a trademark and trading name of Finite Element Analysis Ltd. 
Copyright 1982 - 2017 LUSAS. Last modified: October 26, 2017. Privacy policy

Any modelling and analysis capabilities described on this page are dependent upon the LUSAS software product and version in use.