RISA-3D

144 results found

January 20, 2020 | Tips & Tricks

Online Course: RISA Steel Building Workshop

RISA Steel Building Workshop Online Course now Available! Read More

January 17, 2020 | Tips & Tricks

WEBINAR: Experience the All-New RISA-3D

The Experience the All-New RISA-3D webinar gives engineers a first look at all the new features in the latest release. Read More

December 5, 2019 | Tips & Tricks

Using Redesign Lists in RISA-3D

RISA-3D now includes an interface that gives users the ability to create and modify design lists directly within the software. Read More

November 13, 2019 | Tips & Tricks

Experience the Updated User Interface in RISA-3D

RISA-3D's latest interface has engineers' workflow in mind. With an updated ribbon toolbar, properties panel and 3D window, you'll create, load, analyze and design projects faster than ever. Read More

November 13, 2019 | Tips & Tricks

Modeling and Understanding Plate Results in RISA-3D

This video tutorial, learn how to quickly model and submesh plates in RISA-3D as well as how to interpret plate results using both spreadsheets and graphical results such as contour plots. Read More

November 13, 2019 | Tips & Tricks

Improved Graphics and Report Printing

RISA-3D's new report printing interface helps you quickly organize and print reports. Easily include spreadsheet output, detailed reports and graphics in order to properly document your design. Read More

November 13, 2019 | Tips & Tricks

Applying Loading and Reviewing Results in RISA-3D

Learn how RISA-3D allows you to graphically apply and modify various types of loads to your model while allowing you to quickly review applied loads and corresponding results with one-click! Read More

November 13, 2019 | Tips & Tricks

Expandable Detailed Reports

RISA-3D includes new detailed reports which include expandable limit states that show all governing equations making design verification straightforward. Read More

November 13, 2019 | Tips & Tricks

Solving P-Delta Divergences in RISA-3D

In this video, you'll learn how to investigate and solve P-Delta divergence errors in your RISA-3D model. Read More

November 13, 2019 | Tips & Tricks

Using Model Generation Templates in RISA-3D

In this video tutorial, we will investigate the various "Model Generation Templates" available. Read More

November 13, 2019 | Tips & Tricks

Portal Frame Design in RISA-3D

This step-by-step video tutorial walks you through the building a portal frame within RISA-3D. Read More

November 13, 2019 | Tips & Tricks

Concrete Wall Panels in RISA 3D

This video tutorial describes step-by-step how to model, analyze and design a concrete wall in RISA-3D. Read More

November 13, 2019 | Tips & Tricks

Designing a Simple Steel Beam in RISA-3D

In this video tutorial, learn how to model, analyze and design a simple steel beam in RISA-3D. Read More

November 13, 2019 | Tips & Tricks

Designing a Steel Truss in RISA-3D

This video tutorial describes step-by-step how to model, analyze and design a steel truss within RISA-3D. Read More

November 13, 2019 | Tips & Tricks

Designing a Wood Truss in RISA-3D

This video tutorial describes step-by-step how to model, analyze and design a wood truss within RISA-3D. Read More

November 13, 2019 | Tips & Tricks

Wood Wall Panels in RISA-3D

This video tutorial describes step-by-step how to model, analyze and design a wood wall in RISA-3D. Read More

November 13, 2019 | Tips & Tricks

Masonry Wall Panels in RISA-3D

This video tutorial describes step-by-step how to model, analyze and design a masonry wall in RISA-3D. Read More

November 13, 2019 | Tips & Tricks

Upgraded Solution Speed using Multi-Core Processing

RISA-3D now offers upgraded solution speed through the use of multi-core processing. Read More

November 13, 2019 | Tips & Tricks

Making and Viewing Model Changes in RISA-3D

RISA-3D's new selection tools and Properties Panel, making it effortless to quickly view/adjust properties for single or multiple members/loads in a quick and easily accessible way. Read More

November 13, 2019 | Tips & Tricks

Improved and Better Organized Drawing Tools

RISA-3D's new ribbon toolbar aims to streamline daily use while also giving direct access to new drawing tools such as "lock to plane" allowing users to draw in 3D space with higher precision. Read More

November 13, 2019 | Tips & Tricks

Enhanced Model View Options, Filtering and Member Query

RISA-3D's robust filtering and new Quick Find function allow users to quickly highlight and zoom to desired nodes/members for quick inspection of specific elements in large, complex models. Read More

November 1, 2019 | Tips & Tricks

Understanding Your RISA-3D Model Using Graphics

Reviewing analysis and design results graphically in RISA-3D is easy using the Result View Settings and the Quick View toolbar. Read More

October 10, 2019 | Events

RISA Steel Building Workshop & Release Party

Last week, RISA held its final Steel Building Workshop in Long Beach, CA. Attendees also enjoyed a post-event cocktail hour to celebrate the upcoming release of RISA-3D v18. Read More

October 10, 2019 | Events

RISA-3D Training - Houston, TX - January 15-16, 2020

Join us in Houston, TX for our two-day regional RISA-3D training. Read More

October 10, 2019 | Events

RISA-3D Training - Minneapolis, MN - April 1-2, 2020

Join us in Minneapolis, MN for our two-day regional RISA-3D training. Read More

August 21, 2019 | Tips & Tricks

RISA-3D v18 Sneak Peek Videos

The new release of RISA-3D is right around the corner! Check out our teaser videos! Read More

August 21, 2019 | Tips & Tricks

Enhanced Property Display and Modification

RISA-3D's view options as well as the new property panel makes it effortless to quickly view/adjust properties for single or multiple members/loads in a quick and easily accessible way. Read More

July 12, 2019 | Tips & Tricks

Implementing Realistic Behavior for T/C Members in RISA-3D

Tension or Compression (T/C) Only members are commonly used in steel buildings when modeling braced frames that resist lateral load. Read More

June 20, 2019 | Tips & Tricks

Understanding Wall Panel Forces with Rigid Diaphragms

Rigid diaphragms represent a plane of very high rigidity and distribute load to elements which connect to them solely based on the stiffness of the elements. Read More

May 16, 2019 | Tips & Tricks

Pinned Beams in Semi-Rigid Diaphragms

Learn how to eliminate end reaction spikes in beams within semi-rigid diaphragms. Read More

March 28, 2019 | Tips & Tricks

Assigning Seismic Loads in RISA-3D

RISA-3D has two ways of automatically generating seismic-related loads: the Seismic Load Generator and Response Spectra Analysis Read More

March 21, 2019 | Tips & Tricks

Creating Custom Load Combinations

Learn how to create custom load combinations to be used in the Load Combination Generator. Read More

January 3, 2019 | Tips & Tricks

What wood wall design method should I use?

RISA-3D has multiple options for analyzing wood walls: Segmented, Perforated, or Force Transfer around Openings (FTAO). Read More

December 20, 2018 | Tips & Tricks

How to Create and Apply A Custom Rebar Layout

Learn how to apply a custom rebar layout in RISA-3D Read More

November 2, 2018 | Tips & Tricks

Masonry Lintel Analysis using FEA

RISA-3D now includes the ability to analyze masonry lintels finite element analysis rather than as simply supported. Read More

October 26, 2018 | Tips & Tricks

What’s New in the NBC 2015?

The 2015 NBC compliant codes have been implemented into RISA-3D v17.0, RISAFloor v13.0 and RISAFoundation V.11.0! Read More

October 25, 2018 | Tips & Tricks

ASCE 7-16 Is Now Available!

ASCE 7-16 is now available in RISA-3D v17.0, RISAFloor v13.0, and RISAFoundation v11.0 Read More

October 19, 2018 | Tips & Tricks

Eurocode C1 Factor for Lateral Torsional Buckling

RISA now includes Eurocode lateral torsional buckling capacity calculated per equations in Annex F of the ENV 1993-1-1:1992. Read More

October 18, 2018 | Tips & Tricks

Updates to Wood Wall Aspect Ratio Limits in RISA-3D

In RISA-3D, updates have been made to the wood wall aspect ratio limits. Read More

October 11, 2018 | Tips & Tricks

Wood Wall Panels - Straps vs Hold-Downs

RISA-3D v17 offers the user the option to use Chord Straps between floors of a wood shear wall building in lieu of using hold downs. Read More

October 4, 2018 | Tips & Tricks

Partial Fixity End Releases in RISA-3D

RISA-3D v17.0 now has the ability to model partial fixity member end releases. Read More

October 2, 2018 | Tips & Tricks

Wood Design per AWC NDS 2018 Wood Code

The new AWC NDS 2018 code has been implemented into RISA-3D v17.0 and RISAFloor v13.0. Read More

September 28, 2018 | Tips & Tricks

Analysis Offsets now Available

RISA-3D v15 includes "analysis offsets" which moves the centroid of the member for analysis allowing for flexibility in how members are designed. Read More

September 27, 2018 | Tips & Tricks

Using Analysis Offsets in RISA-3D

Learn how to utilize Analysis Offsets in RISA-3D. Read More

September 27, 2018 | Tips & Tricks

Challenges when using Analysis Offsets

Learn how to deal with challenges when using analysis offsets in RISA-3D. Read More

September 13, 2018 | Tips & Tricks

Steel Design per AISC 15th Edition Steel Manual now Available

The new AISC 360-16 15th Edition changes have been implemented into RISA-3D v17.0 and RISAFloor v13.0. Read More

August 23, 2018 | Tips & Tricks

P-Delta Instability with Gravity Only Loads

Learn why models are receiving P-Delta instability warnings with only applied gravity loads. Read More

August 2, 2018 | Tips & Tricks

Governing Load Combinations for Shear in Concrete Columns

For concrete column members, the load combination producing the maximum shear code check is reported in the Detail Report and corresponding Results spreadsheet. Read More

July 19, 2018 | Tips & Tricks

Designing Multi-Material Models for ASD & LRFD with one solution

RISA-3D includes material specific checkboxes on the LC Design tab in order to check members of different materials. Read More

July 12, 2018 | Tips & Tricks

Plate Elements Available in Material Takeoff

RISA-3D now includes plate elements in the Material Takeoff. Read More

June 28, 2018 | Tips & Tricks

A Deeper Understanding of Deflection and Member Deflection Ratios

There are many different types deflection values calculated by RISA-3D. This article gives a deeper dive into each. Read More

June 21, 2018 | Tips & Tricks

Beam Deflection Ratio Options

RISA-3D v16.0.4 introduces an enhancement that allows for more control over the beam deflection ratio through Deflection Ratio Options. Read More

June 7, 2018 | Tips & Tricks

Improved Automesh & Local Axis Settings

This video tutorial shows how RISA-3D now includes improved behavior of the automesh feature as well as the newly added global model setting for Plate Local Axis. Read More

May 17, 2018 | Tips & Tricks

RISA-Revit 2019 Link Now Available

RISA is pleased to announce the release of the latest RISA-Revit Link which is compatible with Revit 2020. Read More

May 10, 2018 | Tips & Tricks

Viewing Design Foundations in RISA-3D

RISA-3D v16 now includes the added ability to view foundations designed in RISAFoundation. Read More

March 22, 2018 | Tips & Tricks

Seismic Design of Concrete Walls using ACI 318-14 Chapter 18 now Available

RISA-3D now includes the ability to design concrete shear walls for seismic forces according to ACI 318-14. Read More

February 19, 2018 | Tips & Tricks

Masonry Cover Flexibility in RISA-3D

RISA-3D now gives users the ability to manually define cover as well as place a bar that is non-centered in a masonry wall. Read More

January 16, 2018 | Tips & Tricks

Eurocode Concrete Design According to BS EN 1992-1-1:2004+A1:2014 now Available

The BS EN 1992-1-1:2004+A1:2014 has been implemented in RISA-3D v16.0 and RISAFloor v12.0. Read More

December 19, 2017 | Tips & Tricks

TMS 402-16 Masonry Code Specification now Available

The new TMS 402-16 Masonry Code (formerly designated as ACI 530 and ASCE 5) have been added to RISA-3D v16.0, RISAFloor v12.0 and RISAFoundation v10.0. Read More

December 19, 2017 | Tips & Tricks

Cold-Formed Steel Design Codes Update

New Cold-Formed Steel Design Codes according to US and Canadian standards have been added to RISA-3D v16.0 and RISAFloor v12.0. Read More

November 15, 2017 | Tips & Tricks

How to Create Load Combinations with RSA in RISA-3D

Learn how to create load combinations with response spectra analysis loads in RISA-3D. Read More

November 15, 2017 | Tips & Tricks

Enhanced RSA LCs with the Load Combination Generator

The Load Combination Generator in RISA-3D can now include earthquake loads in load combinations to reflect Response Spectra Analysis. Read More

November 8, 2017 | Tips & Tricks

2018 IBC Coming Soon!

The International Code Council just released the 2018 International Building Code (IBC) in August 2017 Read More

October 12, 2017 | Tips & Tricks

British Annex (BS EN1993-1-1:2014) for Steel Design now Available

The new British Annex (BS EN1993-1-1:2014) for the European Hot Rolled Steel material code is now available in RISA-3D v16 and RISAFloor v12. Read More

October 10, 2017 | Tips & Tricks

Stainless Steel Design per US Codes now Available

Stainless steel provisions are now in RISA-3D v16 based on the AISC Design Guide 27 - Structural Stainless Steel. Read More

October 4, 2017 | Tips & Tricks

Eurocode Steel Design According to EN1993-1-1:2014 now Available

The 2014 update to the European Hot Rolled Steel design code (EN1993-1-1:2014) is now available in RISA-3D v16 and RISAFloor v12. Read More

October 2, 2017 | Tips & Tricks

Deflection Optimization in RISA

RISA-3D can now optimize members based on defined deflection criteria. Read More

September 14, 2017 | Tips & Tricks

Enhanced Live Load Reduction

RISAFloor v10 includes changes to the interface that make it significantly easier to understand how live load reduction is affecting the design forces in your structure. Read More

September 11, 2017 | Tips & Tricks

Improved Drift Reporting

RISA-3D v15 now includes automatic drift definitions for diaphragms as well as simplified story drift application. Read More

September 8, 2017 | Tips & Tricks

CSA A23.3-14 Canadian Concrete Code now Available

The CSA A23.3-14 code has been implemented in RISA-3D v15.0, RISAFloor v11.0, and RISAFoundation v9.0. Read More

September 6, 2017 | Tips & Tricks

Canadian Wood Design Updates

The latest releases of RISAFloor and RISA-3D include wood wall design and Structural Composite Lumber Design according to CSA O86-09/14. Read More

May 10, 2017 | Tips & Tricks

Aluminum Design Code Update - AA ADM1-2015

The Aluminum ADM 2015 code has been added in RISA-3D v15.0. Read More

May 3, 2017 | Tips & Tricks

Updates to Aluminum Single Angle Bending

Bending for single angles differ from other shape types, mainly because single angles behave differently in bending and compression depending on how they are braced. Read More

April 26, 2017 | Tips & Tricks

Design of CFS Face-to-Face Channels & Tube Shapes now Available

RISA-3D can now design the Cold Formed Steel face-to-face channel and track sections as well as tube shapes. Read More

April 12, 2017 | Tips & Tricks

CSA O86-14 Canadian Wood Code now Available

RISAFloor v11 now includes wood member design according to CSA O86-14. Read More

February 15, 2017 | Tips & Tricks

CSA S16-14 Canadian Steel Code now Available

RISA-3D v15 and RISAFloor v11 now support hot rolled steel design for the Canadian market according to CSA S16-14. Read More

January 11, 2017 | Tips & Tricks

What's New in IBC 2015?

The new 2015 IBC compliant codes have been implemented into RISA-3D v15.0, RISAFloor v11.0, and RISAFoundation v9.0. Read More

December 16, 2016 | Tips & Tricks

Viewing Coordinates in Cursor Display

In RISA-3D, RISAFloor, and RISAFoundation the cursor now provides additional information regarding the cursor coordinates. Read More

October 19, 2016 | Tips & Tricks

Instabilities in RISA-3D with Flexible Diaphragms

When using RISAFloor and RISA-3D together flexible diaphragm behavior can cause lateral stability problems with your model. Read More

August 31, 2016 | Tips & Tricks

Why Do My Wide Flange Members Fail in the AISC 14th Edition Code?

It is possible that when using the AISC 360-10 steel code that wide flange members that previously passed, now fail. Read More

August 17, 2016 | Tips & Tricks

How Does RISA-3D Account for Torsional Warping?

Learn how RISA-3D accounts for torsional warping in the design of steel members. Read More

March 26, 2016 | Tips & Tricks

Improved Wall Panel Results

RISA-3D now includes a new Wall Panel Forces spreadsheet as well as Summary Detailed Reports for Masonry Walls. Read More

March 10, 2016 | Tips & Tricks

Importing Recorded Seismic Ground Motions

RISA-3D allows users to import recorded seismic ground motions for use in time history analysis. Read More

February 24, 2016 | Tips & Tricks

What are the Ramp Up/Coast Down Functions in Time History?

When creating a Time History function for sinusoidal equipment loading the program can automatically adjust the force and frequency at the beginning and end of the time history function. Read More

January 20, 2016 | Tips & Tricks

Why Did My Reinforcing Change in ACI 318-14?

One of the big changes between the ACI 318-11 and the ACI 318-14 was to minimum flexural reinforcement for one-way and two-way slabs, as well as foundation elements. Read More

January 14, 2016 | Tips & Tricks

Importing a Time History Function

RISA-3D v14 introduces Time History analysis for use in the dynamic solution. Read More

January 7, 2016 | Tips & Tricks

Mechanically Graded Wood Design now Available

Mechanically graded wood materials have been added for the AWC NDS 2015 design code per Table 4C, and CSA O86-14 design code per tables 6.3.2 and 6.3.3. Read More

December 22, 2015 | Tips & Tricks

Wood Design per AWC NDS 2015 Wood Code

RISA-3D v14 and RISAFloor v10 now include ASD wood design per AWC NDS 2015. Read More

December 16, 2015 | Tips & Tricks

Concrete Design per ACI 318-14 Concrete Code now Available

The new ACI 318-14 code has been implemented into RISA-3D v14, RISAFloor v10, and RISAFoundation v8. Read More

December 9, 2015 | Tips & Tricks

Envelope Detail Report Results

RISA-3D v14 introduced envelope detail reports for all material members. Read More

November 24, 2015 | Tips & Tricks

Making a Time History Animation Video

RISA-3D allows users to view an animation of the deflected shape of the structure as a function of time. Read More

August 7, 2015 | Tips & Tricks

How to Create a Custom Shape in RISA

RISA-3D gives users the ability to create custom shapes to use for analysis and design. Read More

June 15, 2015 | Tips & Tricks

Improved Result Access in RISA

This video tutorial will demonstrate how to find quickly review the results in RISA-3D in order to optimize the design. Read More

June 15, 2015 | Tips & Tricks

Capture Animation in RISA

This video tutorial will demonstrate how to capture the animation from RISA-3D into a video format. Read More

May 27, 2015 | Tips & Tricks

Include Moving Load in Batch Solution

With the new release of RISA-3D v13.0, you now have the ability to include moving load combinations in a Batch solution. Read More

May 4, 2015 | Tips & Tricks

Ritz Vector Solver (Dynamics) now Available

RISA-3D v13 includes a new Ritz Vector Solver for the Dynamic analysis. Read More

March 25, 2015 | Tips & Tricks

How are Unbraced Lengths coordinated between RISAFloor and RISA-3D?

Unbraced length information from RISAFloor can be used to complete the design of members in RISA-3D. Read More

March 20, 2015 | Tips & Tricks

Moving Load Point Load Generator now Available

RISA-3D now includes a feature that will allow you to quickly generate a static loading condition equivalent to the moving loads at any given step along their path Read More

March 12, 2015 | Tips & Tricks

Cold-Formed Steel Back to Back Design

RISA-3D can now design the Cold Formed Steel back-to-back channel and track sections. Read More

February 26, 2015 | Tips & Tricks

Canadian Wood Design now Available

Timber design according to the Canadian CSA 086-2009 design code is now available. Read More

February 17, 2015 | Tips & Tricks

What's New for Code Updates in RISA

RISA-3D v13 and RISAFloor v9 include updates to AISI, CSA and ACI masonry design codes. Read More

January 15, 2015 | Tips & Tricks

Approximate Guidelines for Plate Meshing

It is important to submesh plate elements in your model in order to obtain the most accurate results. Read More

December 3, 2014 | Tips & Tricks

What do the Unbraced Length commands Segment and Lbyy mean?

RISA-3D includes shortcut commands for unbraced lengths such as Segment and Lbyy which help to quickly define member unbraced lengths. Read More

November 19, 2014 | Tips & Tricks

What do the Unbraced Lengths represent?

Understanding unbraced lengths and how RISA software accounts for them is essential in the design of any project. Read More

November 12, 2014 | Tips & Tricks

How do Unbraced Lengths affect Analysis?

Learn how various unbraced length settings change the analysis results of a member. Read More

February 5, 2014 | Tips & Tricks

How to model a Geodesic Dome in RISA-3D?

In modeling what would be a rather difficult geometric structure, by using the Templates database in RISA-3D, a geodesic dome can be constructed rather quickly and easily. Read More

January 2, 2014 | Tips & Tricks

Designing Built-Up Sections using RISA-3D

Learn how to create complex shapes in RISASection and then analyze them in RISA-3D. Read More

August 21, 2013 | Tips & Tricks

How can I transition a Plate Mesh from Round to Rectangular?

Transitioning plates from a circular (or elliptical) to a square (or rectangular) shape can be done easily using some of RISA-3D’s automated generation tools. Read More

June 23, 2013 | Tips & Tricks

Customizing Labels in RISA-Revit Link

You can now customize the member and nodes names Revit uses during the export to RISA. Read More

April 9, 2013 | Tips & Tricks

Internal Force Summation Tool Basics

The Internal Force Summation Tool (IFST) in RISA-3D can be very useful for quickly checking the loads at a “cut” through your model. Read More

March 27, 2013 | Tips & Tricks

Nesting Load Combinations

The Load Combinations spreadsheet in RISA-3D is limited to ten columns of BLC and Factor combinations so if you need a larger combination it is possible to "nest" the combination. Read More

October 4, 2012 | Tips & Tricks

Using Virtual Joist Girders in RISA-3D

The Steel Joist Institute (SJI) has developed a Virtual Joist Girder table which converts common joist sizes into equivalent wide flange beams for use in RISA-3D. Read More

April 3, 2012 | Tips & Tricks

Why Don’t My Response Spectra Reactions Satisfy Statics?

Learn more about why your RSA results don't satisfy statics. Read More

February 23, 2012 | Tips & Tricks

How Do I Resolve a P-Delta Instability?

Investigating P-Delta instabilities in RISA-3D (or RISA-2D) can be difficult but this article includes some tips & tricks on how to determine what is causing the issue in your model. Read More

February 13, 2012 | Tips & Tricks

How to Apply a Rigid Diaphragm in RISA-3D

In RISA-3D, rigid Diaphragms can be added using the Diaphragm spreadsheet. Just enter the node label and then choose the horizontal plane. Read More

February 2, 2012 | Tips & Tricks

Why is Plate Meshing Important?

A proper plate mesh allows for finite element analysis results that are accurate enough to be used in design. Read More

August 18, 2011 | Tips & Tricks

Using Projected Loads in RISA-3D

RISA-3D, RISA-2D and RISAFloor have the ability to project distributed line and area loads onto members. Read More

July 19, 2011 | Tips & Tricks

How to export a model to DXF

RISAFloor, RISA-3D, and RISAFoundation all allow the user to export a model as a DXF file for use in most major CAD programs. Read More

June 13, 2011 | Tips & Tricks

How Do I Avoid Instability Warnings in a RISA-3D Model?

Learn how to avoid instability warnings in your RISA-3D model. Read More

June 3, 2011 | Tips & Tricks

How to Model Trusses in RISAFloor

Truss top chords can be modeled in RISAFloor in combinations with full truss design in RISA-3D. Read More

May 23, 2011 | Tips & Tricks

How to Apply Notional Loads in RISA-3D

In RISA-3D you can automatically apply notional loads to your structure to comply with your steel code (such as AISC 360). Read More

May 10, 2011 | Tips & Tricks

Are You Receiving Instability Warnings for Your Truss Model in RISA-3D?

When running a truss model in RISA-3D or RISA-2D, it’s quite common to receive an instability warning, but these can be easily resolved by following a few simple rules. Read More

May 3, 2011 | Tips & Tricks

How Do I Consider Welded Aluminum Connections in RISA-3D?

In Aluminum design, the welded areas have a decreased material strength and RISA-3D can assign any material strength to the members based on the Material spreadsheet. Read More

April 18, 2011 | Tips & Tricks

Using Sum of Reactions in RISA-3D

RISA-3D will check your model for errors by summing the reactions in your model and comparing them to the applied loads. This happens for the global X, Y, and Z directions. Read More

April 6, 2011 | Tips & Tricks

What are the Unbalanced Forces on Beams?

The detailed report in RISA-3D has the ability to show unbalanced seismic forces in both beams and braces according to AISC 341. Read More

March 9, 2011 | Tips & Tricks

How Do I Investigate My RISA-3D Model Using the Deflected Shape?

When your RISA-3D model is not behaving as you anticipated, one of the best tools you have is viewing the deflected shape. Read More

March 3, 2011 | Tips & Tricks

How to Use Seismic Factors in Load Combinations in RISA-3D

RISA-3D now has the ability to define the seismic parameters Rho, Omega and SDS directly into load combinations. Read More

February 28, 2011 | Tips & Tricks

How To Generate Seismic Loads Automatically in RISA-3D

Learn how to automatically generate seismic loads in a RISA-3D model. Read More

February 3, 2011 | Tips & Tricks

What is the Difference Between Fixed and Reactions on Boundary Conditions?

In RISA-3D, you can define a boundary condition as Fixed (reaction will be calculated) or Fixed, (reaction will NOT be calculated). Read More

January 18, 2011 | Tips & Tricks

How to Model Tension-Only Bracing in RISA-3D

In RISA-3D, you can set a member to be Tension Only or Euler Buckling when designing braced frames. Read More

January 6, 2011 | Tips & Tricks

How to Model X-Bracing in RISA-3D

There are several tips to modeling X-Bracing within RISA-3D that can help the model solve faster and give you better results. Read More

December 16, 2010 | Tips & Tricks

How Should I Model Boundary Conditions for a Truss in RISA-3D?

Modeling a 2D truss in RISA-3D is easy as long as the boundary conditions are set up properly. Read More

November 29, 2010 | Tips & Tricks

How to Check Frame Story Shears in RISA-3D

When using rigid diaphragm analysis in RISA-3D it can be useful to evaluate the story shear in each frame. Read More

October 26, 2010 | Tips & Tricks

How to Use Spreadsheets More Effectively in RISA

RISA includes various advanced spreadsheet operations that make reviewing input and results easy. Read More

September 20, 2010 | Tips & Tricks

Use RISA to Consider Bi-Directional (Quartering) Wind Loading

Applying the complex wind combinations required by ASCE 7 is easy using RISA-3D. Read More

August 31, 2010 | Tips & Tricks

How Are Wind Loads Generated for Sloped Roofs?

RISAFloor is capable of automatically generating the wind loads on sloped roofs. Read More

July 28, 2010 | Tips & Tricks

How Do Plates Connect to Members?

In order to understand the interaction between plates and members it is important that you know the basics of Physical Members and Plate Connectivity. Read More

June 22, 2010 | Tips & Tricks

How to Create an Engineered Wood Material

RISA-3D and RISAFloor allow users to create custom engineered wood materials for use in analysis and design. Read More

June 14, 2010 | Tips & Tricks

How Do Plates Connect to Each Other?

Understanding how plates are connected to each other is essential to understanding finite element results. Read More

May 24, 2010 | Tips & Tricks

Define a Beam Eccentricity in RISA-3D

Learn how to define beam to columns eccentricity in RISA-3D and RISA-2D. Read More

April 20, 2010 | Tips & Tricks

How to Correctly Define Unbraced Lengths

There are four different values for Unbraced lengths in RISA-3D, RISA-2D and RISAFloor. Two are for axial calculations and two are for bending calculations. Read More

March 26, 2010 | Tips & Tricks

What Are Physical Members?

By default RISA-3D utilizes "Physical Members" when understanding how two members connect to each other. Read More

March 19, 2010 | Tips & Tricks

How to Model a Two-Dimensional Component in RISA-3D

If you have ever tried to solve a two-dimensional model in RISA-3D, you have ultimately run into instabilities in your model because your model has no out of plane restraint. Read More

March 17, 2010 | Tips & Tricks

Do You Ever Get the “LOCKED” Message on a Simple Beam Model?

Do you get an instabilities warning when you’re trying to do a simple 2D model in RISA-3D? Read More