February 6, 2024

How To: Fix Screen Resolution Issues for Your RISA Software

Are you struggling with screen resolution issues while using your RISA software? In this blog, we'll explore common screen resolution problems encountered by users and provide practical solutions to fix them. Whether you're dealing with small text, improperly sized windows, or display distortions, we've got you covered. Join us as we dive into troubleshooting tips and tricks to ensure a seamless experience with your RISA software. Let's optimize your screen resolution and get you back to designing with ease!

Screen Resolution Settings

Navigate to your Windows Settings or type "Display Settings" in the Windows Search bar on the lower left corner. In the Computer Monitor's Display Settings, try updating your Scale and Resolution settings to our recommended 1920x1080 resolution. See the image below for these settings to match.

DPI Settings

If the Screen Resolution adjustment does not work, you can also try adjusting the DPI Settings for the RISA Software Product. In the following example, we will show how to do this for RISASection.

To do this, right-click the RISA Software icon on your desktop and select "Properties".
Then click on the Compatibility Tab and select the button to change settings for all users.
Next, choose to change high DPI settings.
Then change the High DPI Scaling override to "Application".
Finally, try opening the program again to see if the icon sizes are easier to see. If the issue still persists, please try following the steps listed above again, but this time choose "System" in the High DPI scaling override section.

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December 29, 2010 | RISA-3D, New, Analysis, P-Delta

What is P-Delta Analysis?

When a model is loaded, it deflects. The deflections in the members of the model may induce secondary moments due to the fact that the ends of the member may no longer be vertical in the deflected position. These secondary effects for members can be accurately approximated through the use of P-Delta analysis. This type of analysis is called “P-Delta” because the magnitude of the secondary moment is equal to “P”, the axial force in the member, times “Delta”, the distance one end of the member is offset from the other end. Step 1: The model is loaded with the Applied loads (P shown above) Step 2: The model deflects Δ, and the secondary shear force (V) is calculated for every member; Step 3: The model is re-solved (internally) with the secondary shear forces applied (V shown above). Step 4: The displacements for this new solution are compared to those obtained from the previous solution. If they fall within the convergence tolerance, the solution has converged. If not, return to Step 2 and repeat. The convergence tolerance is found in the Model Settings and is set by default to 05%…

June 28, 2018 | RISA-3D, New, Analysis, Deflection

A Deeper Understanding of Deflection and Member Deflection Ratios

There are many different types deflection values calculated by RISA-3D. Let’s take a deeper dive into each. Absolute deflection is the maximum absolute value for deflection in the member local lateral y- and z-axis. In engineering terms, this value is also commonly referred to as global deflection since it encompasses the entire movement of a member as the entire model moves. The term “global deflection” is not used in RISA-3D since this can be confusing when also talking about global and local axis for direction. The values for absolute deflection are reported in the Service and Strength tabs of the Member Deflections spreadsheet. The deflection value used in the member deflection ratios L/y’ and L/z’ is the relative deflection: y’ and z’. This is the deflection of a member relative to its own non-deflected shape. This deflection only captures the effects of loading specific to the member itself and does not include any effects from a neighboring member’s deflection. The deflection ratios L/y’ and L/z’ are applicable to all member types (beams, columns, and braces). It is important to understand that the relative deflection used in this ratio is not equal to the absolute deflection that is reported in the…

September 12, 2024 | Featured, Structural Engineering

RISA-3D Guide: Tips for Faster Structural Modeling

RISA-3D is one of the most versatile structural modeling software platforms available today. Whether you’re just getting started or looking to sharpen your skills, this guide will walk you through key steps to accelerate your modeling process, along with tips and tricks that can help you streamline your workflow. 1. Setting Up Your Model: Configuration and Preferences Before diving into modeling, take a moment to adjust your model settings. Tailoring these to your project needs from the outset will save you time and potential errors later on. Use RISA-3D toolbars to quickly access familiar tools, or add a custom button to your toolbar for frequently used features, improving your efficiency. Code Types and Materials Ensure you understand the different code types and materials available in RISA-3D. This includes both historical codes and the most current standards. Taking just a few minutes to familiarize yourself with the correct selections can reduce modeling time and avoid code compliance issues later. 2. Starting Your First Model: Essential Tools Once you’ve set your preferences, it’s time to begin general modeling. RISA-3D offers various options to create structural models with precision. Here are some essential tools to get you started quickly: Drawing Members: Utilize the…