RISA-2D Specifications

Modeling Features

  • Comprehensive CAD-like drawing/editing environment: draw, generate, modify and load elements as well as snap, move, rotate, copy, mirror, scale, split, merge, mesh, delete, apply, etc.
  • Versatile drawing grids (orthogonal, radial, skewed)
  • Universal snaps and object snaps allow drawing without grids
  • Powerful graphic select/unselect tools including box, line, polygon, invert, criteria, spreadsheet based, save/recall selections with locking
  • True spreadsheet editing with cut, paste, fill, math, sort, find, etc.
  • Open multiple spreadsheets simultaneously
  • Dynamic synchronization between spreadsheets and graphics
  • Constant in-stream error checking and data validation
  • Unlimited undo/redo capability, automatic timed backup
  • Generation templates for grids, disks, arcs, etc.
  • Sophisticated in-stream truss builder application; automatic creation of trusses of all kinds, with varying chord slopes, web patterns, etc.
  • Automatic generation of continuous beams
  • Support for all units systems & conversions at any time
  • Automatic interaction with RISASection custom shape libraries
  • Modification tools that modify single items or entire selections
  • Import and export DXF
  • Export to RISA-3D

Design Codes

  • Steel Design Codes: AISC 360-10/05: ASD & LRFD, AISC 2nd & 3rd: LRFD, AISC 9th: ASD, CSA S16-14/09/05/01/CSA-S16.1-94, BS 5950-1: 2000, EN 1993-1-1:2014/2005, ENV 1993-1-1:1992, IS 800: 2007/1998, AS 4100-1998, NZS 3404: 1997
  • Concrete Design Codes: ACI 318-14/11/08/05/02/99, CSA A23.3-14/04/94, NTC-DF 2004, BS 8110-1: 1997, BS EN 1992-1-1: 2004+A1: 2014/2004, EN 1992-1-1:1992, IS 456: 2000, AS 3600-2001, NZS 3101: 1995, SBC 304-2007
  • Cold Formed Steel Design Codes: AISI S100-16/12/10/07: ASD & LRFD, AISI NAS-04/01: ASD & LRFD, AISI 1999: ASD & LRFD, CSA S136-16/12/10/07/04/01: LSD, CANACERO 16: ASD, CANACERO 12/10/07/04/01: ASD & LRFD
  • Aluminum Design Codes: AA ADM1-15/10: ASD & LRFD, AA ADM1-05: ASD
  • Wood Design Codes: AWC NDS-15/12: ASD, AF&PA NDS-08/05/01/97/91: ASD, CSA 086-14/09 Ultimate, Structural Composite Lumber, multi-ply, full sawn, Glulam, shear walls
  • Masonry Design Codes: TMS 402-16: ASD & Strength, ACI 530-13/11/08/05/02: ASD & Strength, ACI 530-99: ASD, UBC 1997: ASD & Strength
  • Stainless Steel Design Code: AISC 360-10: ASD & LRFD

Analysis Features

  • Accelerated true sparse solver for static analysis
  • Flexible modeling of P-Delta effects
  • Accelerated (Lanczos) and Ritz Vector Dynamics Solver
  • Multiple simultaneous dynamic and response spectra analysis using Gupta, CQC or SRSS mode combinations
  • True physical member modeling (members are aware of interior joints)
  • State-of-the-art 3 or 4 node plate/shell elements, plane stress option
  • Plate Thermal Loading
  • High end automatic mesh generation – draw a polygon with any number of sides to create a mesh of well formed quadrilateral (NO triangular) elements
  • Accurate analysis of tapered wide flanges - web, top and bottom flanges may all taper independently
  • Multiple simultaneous moving loads with standard AASHTO loads and custom moving loads for bridges, cranes, etc.
  • Automatic Top of Member offset modeling
  • Joint master-slave assignments
  • Enforced joint displacements
  • 1-Way members, for tension only bracing, slipping, etc
  • 1-Way springs, for modeling soils and other effects
  • Euler members: Compression up to buckling load, then turn off
  • Story drift calculations provide relative drift and ratio to height
  • Automatic self-weight calculations for members and plates

Design Features

  • Designs/optimizes concrete, hot rolled & cold formed steel, wood, masonry and aluminum
  • Concrete design using cracked or uncracked sections
  • Masonry wall design for in-plane & bearing loads (with or w/o openings)
  • Program selected or user-defined rebar layouts for flexure and shear
  • Exact integration of concrete stress distributions using a rectangular stress block or a more accurate parabolic stress block
  • Concrete wall design, including in-plane, out-of-plane and bearing loads
  • Automatic spectra generation for ASCE 7, NBC, IS 1893, NTC
  • Extensive user controlled generation of load combinations: ASCE, UBC, IBC, BOCA, SBC, ACI, International
  • Intelligent unbraced length calculations for physical members
  • Tapered wide flange design with either ASD or LRFD codes
  • Optimization of member sizes for all materials and all design codes, controlled by standard or user-defined lists of available sizes and criteria such as maximum depths/widths, limiting code checks, deflection, etc.
  • Automatic calculation of custom shape properties and interaction with RISASection Shape Library
  • Steel Shapes: AISC, HSS, CAN, ARBED, AISC Historic & numerous foreign databases
  • Light Gage Shapes: AISI, SSMA, Dale/Incor, Dietrich, Marino\WARE
  • Wood Shapes: Complete NDS species/grade and Glulam database as well as user defined custom wood species
  • Complete wood wall design for bearing & shear walls. Choose from all three design methods: Segmented, Perforated & Force Transfer Around Openings

Graphics Features

  • Unlimited simultaneous model view windows
  • “True to scale” rendering with translucency, even when drawing
  • High-speed redraw algorithm for instant refreshing
  • Dynamic zoom, pan, rotate, scroll, snap views
  • Font and Color Control
  • Saved views to quickly restore frequent or desired views
  • Full render or wire-frame animations of deflected model and dynamic mode shapes with frame and speed control
  • Animation of moving loads with speed controls
  • Distance tool for measuring between points
  • Force/moment summation about any arbitrary cut line

Results Features

  • Graphic presentation of color-coded results and plotted designs
  • Color contours of plate stresses and forces with quadratic smoothing, the contours may also be animated
  • Spreadsheet results with sorting of: reactions, member & joint deflections, beam & plate forces/stresses, optimized sizes, code designs, concrete reinforcing, material takeoffs, frequencies & mode shapes
  • Standard and user-defined reports
  • Graphic member detail reports with force/stress/deflection diagrams and detailed design calculations and expanded diagrams that display magnitudes at any dialed location

General Features

  • Compatible with Windows 7/8.1/10 (64-bit Windows)
  • Extensive customization options & user defaults
  • Program technical support provided by Professional Engineers