RISA-3D you can rapidly design buildings, bridges, racks, tanks, crane rails, stadiums, arenas, culverts, all types of industrial and commercial structures …
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, trim, extend, etc. Versatile drawing grids (orthogonal, radial, skewed, DXF underlay) 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. Dynamic synchronization between spreadsheets and graphics Open multiple spreadsheets simultaneously Constant in-stream error checking and data validation Unlimited undo/redo capability, automatic timed backup Generation templates for grids, disks, cylinders, cones, arcs, trusses, tanks, hydrostatic loads, geodesic domes, etc. Support for all units systems & conversions at any time Automatic interaction with RISASection custom shape libraries Light Gage Shapes: AISI, SSMA, Dale/Incor, Dietrich, Marino\WARE Import DXF, RISA-2D, STAAD and CIS/2 files Export DXF, SDNF and CIS/2 files Robust two-way link with Autodesk Revit 2024, 2023, 2022 & 2021 Link with Tekla Structures 2023, 2022, 2021 & 2020
Design Codes
Steel Design Codes: AISC 360-16/10/05: 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 Seismic design per AISC 341-16/10/05, including 358 prequalified connections Concrete Design Codes: ACI 318-19/14/11/08/05/02/99, 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, AISI 400-15 & AISI S240-15 (Walls), 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-18/15/12: 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 Wind loads are generated automatically (ASCE 7-16/10/05/02/98/95, NBC 15/10/05, NTC 2004, & IS 875: 1987) for building-type structures, including partial wind cases Seismic loads are generated automatically (ASCE 7-16/10/05/02, CBC 2001, IBC 2000, UBC 1997, NBC 15/10/05, NTC 2004, & IS 1893: 2002) for building-type structures, including accidental torsion
Analysis Features
Analysis of 1D members (beams, columns, braces, etc.) using Finite Element Method Analysis of 2D elements (plates, walls) using Finite Element Method Analysis of 3D elements (solids) using Finite Element Method Partial fixity member end releases using rotational spring constants Simpson Strong-Tie Yield Link as member end releases Orthotropic Plate Material Time History Analysis Accelerated true sparse solver for static analysis Accelerated Sparse Lanczos dynamics solver, very fast and robust Flexible modeling of P-Delta effects Multiple simultaneous dynamic and response spectra analysis using Gupta, CQC or SRSS with automatic calc of scaling factors Automatic inclusion of mass offset (5% or user defined) for dynamics when integrated with RISAFloor Ritz vector dynamic solver True physical member modeling (members are aware of interior joints) Plate/shell elements with plane stress only option 8 node solid elements High end mesh generation — draw a polygon with any number of sides to create a mesh of well formed quadrilateral (NO triangular) elements Automatic rigid diaphragm modeling with detachable joints Area loads with one-way or two-way distributions with optional “blow through” distribution for loading open structures Plate thermal loads Simultaneous moving loads, AASHTO/custom for bridges, cranes… Torsional warping calculations for stiffness, stress and design of hot rolled steel Member end releases, rigid end offsets, analysis offsets Enforced joint displacements One Way members, for tension only bracing, slipping, etc. One Way springs, for modeling soils and other effects Euler members: Compression up to buckling load, then disable Stress calculations on any arbitrary shape Inactivate members, plates, solids and diaphragms without deleting them Story drift calculations provide relative drift and ratio to height Automatic self-weight calculations for members, plates and solids
Design Features
Designs/optimizes concrete, hot rolled & cold formed steel, masonry, wood and aluminum Program selected or user-defined rebar layouts for flexure and shear Concrete beam detailing (Rectangular, T and L). Concrete column interaction diagrams Concrete wall design including in-plane, out-of-plane & bearing loads Automatic spectra generation for ASCE 7, NBC, IS 1893, NTC Extensive user controlled generation of load combinations Intelligent unbraced length calculations for physical members Tapered wide flange design per AISC Design Guide 25 Masonry wall design for in-plane and out-of-plane Wood Shapes: Complete NDS species/grade and Glulam database Complete wood wall design for bearing & shear walls: Segmented, Perforated & Force Transfer Around Openings design methods Strap and Hold Down design for Wood Shear Walls Seismic design of concrete walls using ACI 318-14 Chapter 18 Concrete seismic coupling beams for multi-story walls with diaphragms Capacity-Limited Seismic Design for Special Concentrated Braced Frames (SCBF) Buckling Restrained Brace (BRB) seismic checks using CoreBrace elements

Risa-3D V21