Autodesk Robot Structural Analysis Professional Essentials by Ken Marsh – PDF Drive.
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Robot Essentials.Autodesk Robot Structural Analysis Professional – Essentials PDF | PDF
Because Robot allows several design optimization options, design currently cannot be performed for both service and ultimate at the same time. This virtual wind tunnel will allow you to get a powerful view into the behavior of wind around your structure and potentially inform your design in areas where there are higher than expected pressures.
Imagine gaining confidence in your code wind loading analysis by running a virtual wind tunnel and seeing that you have sufficiently modeled the wind loading on the building. Full loading is automatically created on your structure according to the analysis. This is really the beginning of real simulation tools for structural engineers to help us design safer structures than we have ever been capable of before.
Block Lanczos solver: In simplest terms, the Block Lanczos solver increases the speed and efficiency of dynamic calculations in modal analysis. It is one of the most. Improved bi-directional model data exchange between Autodesk Revit Structure and Robot Structural Analysis: Autodesk had produced a much more robust method of interchange of data based on an interchange format called SMX Structural Model Exchange.
Other advantages of the SMX format include enhanced change tracking and smaller, more efficient, file transfers. Joists and Joist Girders are primarily used by North American engineers. Cut By Plane: A new editing tool which will allow the user to divide contour edges, create nodes at intersections of a plane and objects in the model, split objects by a plane as well as cut objects by a plane. Simply clicking on one will open that model.
You may also choose Open Project Shell Design: All tools except volumetric extrusions available. Frame 2D Design: Tools optimized for 2D frame work. Supports only have 3 degrees of freedom, no cladding tools, but snow and wind load calculators are available.
Volumetric Structure Design: Shell design tools with additional volumetric extrusion and volumetric results exploration tools. Plane Deformation Structure Design: A simplifying set of assumptions used to model elements supporting only loads perpendicular to its long axis and the long axis dimension is Significantly larger than its cross sectional dimensions.
This type of analysis can be used when both the part and the loading are revolved about the same axis. Some typical applications ofthis type of analysis are thick-walled cylinders or similar pressure vessels RC Elements Design: Independent module for reinforcement design of columns, beams, walls, floors and isolated footings. Connection Design: Independent module for designing steel connections. Parametric structures may be inserted in the other standard design configurations as well.
You will find that as you move between different structure types that certain menu items, layout selectors, and available views will change dramatically. From Robot start page, select Open Project You can recognize this by moving the cursor around the model window. Here are the major parts of the user interface! Save-As is only available from the File menu. Capture: This is a very powerful tool. It can be used to not only capture views with members, results, etc.
Paste will launch a special dialog to assist in locating the new copy in the project environment. Use the escape key to exit this view navigation mode. YF eedraw: Redraws the view. Usually not required but can sometimes help update or refresh a view, particularly a results view or a detailed results view. The Object inspector is found on the left-hand side of the Robot window and contains information about elements. The layout manager is a tool to help organize the project area for different tasks.
Some of the configurations which can be selected from the layout manager can be created manually by opening different menus and dialogs. As we work through exercises, we will use both layouts and manually opened dialogs. Bar Selector: For selecting bars, panels or objects.
Once you have selected some elements or nodes, press this button and a new window will be opened with only these selected elements visible. This can be useful for viewing results for specific members in particular.
If the currently selected ease is an automated load combination, the component selector will allow you to choose from the components. More on this in the load combinations topic. Edit Selection in New Window: Very useful for isolating a portion of the Mode Selector: When a modal load case is selected or a case based on a modal analysis, this selector will allow you to switch between modes as well as the summations of the modal contributions, Other parts of the user interface will be covered in subsequent sections or exercised in tutorial sections so that you will gain familiarity with their operation.
You will find them identical to some other Autodesk products, View Cube Another method of orbiting the view is to either click on a hot zone of the view cube or to just grab the view cube left-click on the view cube itself and drag it to orbit the model. Left click on areas of the view cube to see what it does.
Explore the context menu by right-clicking on the view cube. If you are working in a 2D elevation view, you can use this dialog to control the structure plane in which you intend to create elements. Selecting 3D will give you the typical 3D view. I find that I rarely use them. Try the exercise below to get a feel for how this dialog works. Click the 3D button: Note that all structure axes and levels are shown. Now click the 2D button. Expand this drop down and you will notice all of the levels that: we have input for the project for Exercise!
Now switch to the YZ button and check the dropdown under the 2D button again. Once it has gone beyond the structure axes it will continue in snap increments. You can also type in a specific value in this dialog. This will set the current work-plane for you to view or create new elements. Select through levels or axes in the drop down below the 2D button and watch what. You can toggle on and off text based information, graphical indications, and view elements as well.
Once a model has been meshed into many individual elements, changing this toggle will show and hide the meshed elements. If you use the display options see below to change the visibility of the view and cannot figure out how to get back to the default, you can use the first button to restore the view to default. The next button will toggle on and off the display of the structure deformation for a structure which has results available calculations have been run.
When you get to a view state that seems impossible to return from, you can always use the default settings button at the far bottom-right hand side of the screen to get back to the default. You can view the settings associated with each template by selecting it with the dropdown list.
All edits to the toggle settings for the template are done in the display dialog, not in the edit template dialog, Category List and checkbox toggle buttons: Visibility settings are grouped into logical categories in the category list.
Selecting a category on the left will show the associated visibility toggles on the right. This list of categories can be modified or customized! The template is more than just the toggle settings it is also the list of categories displayed on the left-hand side. Selecting this checkbox will cause the entire view to be half-toned and no additional graphical information will be displayed until the user selects something in the view.
Exercise 3: Display Options and Templates With the Exercise] file, open the display options right-click in project area and select Display All of the quick toggles available along the bottom of the view window are also available in here. Add new items to your new category with the add button, LEB when you are finished adding new items to your category, click Save and Close.
Choose some new toggle settings for your template in the display options dialog saving the template settings after you are done, then switch between the standard template and your template to see how easy itis to set up and use pre-defined view templates. For now, I think it is important to understand the basic functionality of tables so that navigating: them later will be more enjoyable. Results tables are used for digesting calculation results including viewing enveloped results as well as global extremes for calculated values.
Results tables will be discussed in more depth in the results section. They may be opened in one of two main ways. In reality tables will be accessed from several locations, especially in the tabular results from the results menu. Either right-click in the project window and select Tables This opens the Tables: Data and Results dialog.
From here, you may select or unselect one or multiple tables. Any elements currently selected will be highlighted in the table. Robot has a unique way of managing view windows including table views.
Take a look at the lower left hand corner of the user interface: All open views are listed here in the open windows section of the UI. To switch between windows just click on the title of the window you would like to see. As simple as it seems now, I found this very confusing when first started using Robot, Understanding Tables Notice that at the bottom of the bars table there are three tabs: assy eced Values: Presentation information which may be screen-captured with the screen- capture tool: Ifyou are not in the Values tab, the screen-capture tool will not.
Any values that may be edited will be editable in this tab. How many elements are displayed, how many ate currently selected. Select the rows for which you wish to fill the value of some column of data. If you wish to fill the entire column, then skip this step and just select the column by left clicking once on the column header.
When 3. Right-click and select Fill Special. I believe that Incremental being available is a bug but may have some functionality yet unbeknownst to me For freeform numerical value Absolute: put exactly this number in the indicated cells Relative: Take whatever number is currently in the cell and add this number to it.
Example: Relative 2. So Example: Incremental 3. When a table is opened, it is set to a default configuration. It is important to note that different tables will have different column settings and the options will even vary depending on which tab of the table is currently active. So the tabs can also display different information between Values and Edit tabs, At first this seems strange, but in reality there is nothing editable about the member length so there is really no reason to have it available in the edit tab.
The Settings. In this topic, we will cover general window and click graphical selection, selection via the selection dialog as well as special selections and have an exercise to help drive home the usage of the dialog and selection tools. Pick and Window Selections In the project environment, elements including nodes, bars, and panels, may be selected by single click with the left mouse button or by dragging a box or crossing window selection.
Selection sets may be built by either adding or subtracting elements from the set using control or shift keys while selecting elements. Single click selections: The cursor will appear as a hand with a pointer finger and hovering over elements will show some information about them. Highlighted information will typically be the element number as shown here. Crossing and Box selections: Hlements may be selected using standard crossing and box selections as shown below.
Box selections are made from left-to- right and select only elements which are completely contained in the boxed area.
Crossing selections are made from right-to-left and select any element which is either inside the boxed area and any clement which crosses the boundary of the selected area. Holding the control key and selecting an unselected element will add it to the selection set whereas selecting an already selected element will remove it from the selection set.
Datums include structural axes as well as structural levels. If a datum label e. Ifa datum label is crossing selected, then any element which touches that datum plane will be selected. When box and crossing selections are used with a datum, only the datum label can be in the selection window. If there are elements also included, Robot ignores the datum label and only selects the elements. Viewing the Selection: As clements are added to a selection set, the element or node numbers will begin to populate in the selection windows.
Press after entering selection to select elements in the project. Controls which type of elements will be added to the selection. Notify All: “Typically set to checked. Checking will automatically populate the selection windows and other dialogs with selections built in this dialog.
Unchecking will allow you to configure a selection in this dialog and manually cut and paste to other dialogs. Selected Element Numbers: Numbers of elements selected will show here. If unchecked, the actual selected element numbers will be shown. Atti Slot by an ant ofthe eurent agony Group Set by or configura new selection group Geometry: Use structural axes as selection boundaries 7.
Attribute value for selected attribute. Inversion: Invert current s ction. Le, select all elements except the currently selected elements Exercise 4: Using the Selection Dialog 1. Open the Exercise Userlnterface. Use the display settings to show member sections and member types: On the right hand side choose W16x40 and press Hfl The selection area should say: 55 56 60 62 65to68 and you will notice that all W16x40s in the project have been selected.
Build the same selection in the following manner: a. We have some mismatched member types that we need to clean up. We will use the union button to find all columns which have a beam member type set. Clear the current selection and select HSS 5x5x. The recommended practice is to set your regional settings, then adjust design codes on a project by project basis. Due to the automatic changes it is not recommended to change your Regional setting once you have started a project.
Choose your working language from the drop down list. In any edit control where you can reasonably type a number e. If launched from an edit control text box , the OK button will take the current result and paste it into the edit control. There are several preconfigured settings available from the drop-down list.
You can also create your own custom scheme. However, sometimes it is nice to add your own style to the display window. The template controls settings for all elements in all ranges. On the first pane of the Units and Formats, the zero format controls how Robot will display a value if is equal to 0. Left and Right arrows decrease and increase displayed precision. Unit edition is a bit of a misnomer. If there is not an existing unit you would like to use, you can create your own Length, Force or Mass units using this tab.
All units are based on Meters, Newtons and Kilograms. Notice that the inch unit is 0. Hach segment of the tab works independently: Length unit, Force unit and Mass unit. Here is an example of some very unique unit settings. As you create bars of different materials, these are the materials which will be assigned by default. It is best to set the most commonly used materials for structural elements here, then modify specific ones later. Other database lists work similarly.
Not all design modules support all geo design codes. List can be sorted by clicking on the column header. This dialog allows you to manage that list complexity by only showing you the codes in the Active list when you configure design codes for your project. Different solvers have been added over time and most are different methods of exploiting standard structure stiffness matrix properties to accelerate the solution as well as to take advantage of computer memory savings by reducing storage requirements.
Selecting different solvers can have advantages or disadvantages depending on the number of equations, the stability of the matrix and other factors. Additionally, information on solution algorithms and their methods of solution can be found in texts on the subject of finite element analysis.
Specific information on advantages and disadvantages and solution methods ean also be found in the Robot help files. In general, it is best to ask Robot to Not Ignore Warnings so that as you learn the Product you can understand and deal with any issues in your model and also understand how they may affect your results.
You can read more about them in the help files but we will leave discussion of these options to an advanced text, Other subsections of this dialog contain settings for advanced analysis options. In this text we will focus on methods of working with Robot for the beginner. Advanced topics such as modal analysis, and analyses based on a modal analysis e.
This dialog provides a location for recording information about the project, the parties involved as well as a tab for viewing information about the project Statistics tab. Once you have completed this chapter, you will be able to run your first analysis and will be ready to learn about Robot’s results exploration capabilities. They can be used to. We will discuss grid modification later.
Since our task at hand is to create the structure model geometry, we select Geometry from the layout, selector. Hither select an existing axes set to modify in the drop down or type in a name for a new set.
Cartesian grids may be orthogonal to the project axes or be at an arbitrary angle. They may also be relative to a pointin the model.
Any coordinate point in Robot may be specified by clicking on the screen. Simply place the focus on that edit box by clicking once in the edit box, then select a location on screen. Use Axes relative to a point to place the origin of the axis set at the location of the selected point. It is the origin 0,0,0 by default. An axis set may be rotated about any of the three project axes X, Y, or Z allowing for many possibilities for structural axes set configurations.
Cylindrical Parameters: 4 Select to define grids along corresponding axis. Same for Y and Z axes. Each tab is the same. If you intend to do building analysis and seismic analysis in particular, you should opt for using Stories and leave the Z axis settings blank for structure grids.
Axis set labels: Lists the currently configured axes along the current axis specified by the tab, e. Individual axes labels can be modified by clicking them, but to change the location of the axis, either use the object properties in the project environment or delete the grid and re-create it here. Download Fusion for personal, hobby use.
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Use Download Manager adsk-oxygen-flow-download-manager-tooltip. Your download has started. When complete, locate the download file on your computer. Run the install to start your trial. Plan, design, construct, and manage buildings with powerful tools for Building Information Modeling. See all products from this Collection. BIM structural analysis software for engineers. See pricing options. Overview Robot Structural Analysis intro. Free trial.
Create resilient, constructible designs connected to BIM. Robot Structural Analysis Professional overview video: min. Comprehensive access to core wall results video: min.
Buildings with sequential self-weight load video: min. Automated analytical modeling using Dynamo. Robot Structural Analysis Professional features. BIM-integrated workflows. Exchange data with Revit and other design tools. Wind load simulation. Test wind loads during design to avoid costly changes. Extensive analysis capabilities. Test the behavior of static, modal, and nonlinear structures. Finite element auto-meshing. Create a high-quality, advanced finite element mesh for more precise analysis results.
Open and flexible API. Try Robot Structural Analysis free for 30 days. Tips for a successful download. Find answers to common questions. Get help signing in to your Autodesk Account Get help accessing student and education software Step-by-step download and install instructions Troubleshooting download issues. Robot Structural Analysis Professional product support Manage account access downloads and update profile How to convert a trial to subscription.
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You may use this Work for your own commercial and personal use; any other use of this Work is strietly prohibited. Your right to use this Work may be terminated if you fail to comply with these terms. No part of this Work may be reproduced, distributed, or transmitted in any form or by any means, including photocopying. Trademarks: Autodesk and Robot are registered trademarks of Autodesk, Ine. Learning any new software can be a challenge.
With this in mind, we have attempted to present a thorough guide to the basics of Robot Structural Analysis along with some insight into the deeper functioning of the program. We hope that you will find this text to be very helpful on your way to mastering the Program. We have tried to be as accurate as possible, give you some deeper color around the features of the program, and to hopefully demystify some of the more challenging commands in the program.
We are always happy to hear your fecdback and look forward to the opportunity to continue improving this text and subsequent texts through your feedback. Please feel free to contact me at ken marshapi. I suppose, at that point in life, I believed that it was possible to know everything or to have accomplished everything It has been an awesome adventure and has led me to some amazing places in the world. I would also like to take a moment to thank the customers of Autodesk software: Without you, I would never have had the Opportunity to be involved with an amazing revolution in our industry which we have experienced in the growth and adoption of Building Information Technology.
T still believe that we have only scratched the surface and there are still many exciting things to come. I would like to first thank Nicolas Mangon for bringing his vision of Revit for Structural Engineers to fruition in the form of Revit Structure.
Even at version 2. I would like to thank Anthony Hauck for helping me learn to see the bigger picture and for his willingness to share his vision of the future.
I would like to thank Pawel Piechnik for his encouragement and positive outlook. I would like to thank my first Robot, teachers Tomek and Waldek. Without your help I would probably have never begun this adventure in the first place. I would like to extend a huge thank you to Pawel Pulak, an amazingly patient, brilliant, kind, and gifted product support specialist at Autodesk.
His insight, tireless accurate diagnoses, and deep product and engineering knowledge have been indispensable to me throughout this process. While this has not always been the case for all software, Robot Structural Analysis Professional seems to fall into this category.
The standard methods of interacting with typical windows style programs do not necessarily apply to Robot which can lead to some confusion while trying to learn this product. I vividly recall my personal process of learning Robot and I would say that the learning process continues on a day to day basis. I was not born in Boston. If you know anything about Boston, you know that there is nary a straight road in the town save Back Bay: lucky us. Learning to drive around Boston is quite possibly one of the most exhausting experiences I’ve had.
It makes it impossible to enjoy the sights, impossible to find where you want to go and infuriating after you’ve missed the turn and can’t figure out how on earth you can get back to where you were before. I feel quite the same about Robot as a learning experience, but once you get the hang of it, you’ll be off and running. Now I love driving in Boston and I also think you’ll have a lot of fun with this powerful tool. No practicing structural engineer I have ever known, would swap out a structural analysis package without a thorough investigation of the capabilities and not until having gained a thorough understanding of the settings and their effects on the outcome of the analysis and design.
The list of capabilities and configuration options is mind-numbing. We will not cover advanced analysis types e. For the topics we cover, I will try to give a thorough explanation of the essential functionality with enough detail that: you can make good progress.
We will leave advanced topics for another text. Please see the section on Further Reading for suggestions on additional texts which can help you with the finer points of Finite Element Modeling. The truth is that we, as a profession, have done extensive research to understand the statistical probabilities of load variation, material variation, and to understand the limits of our ability to analyze structural components.
This book presumes that you are already familiar with and proficient with both the process and science of building structural analysis by the finite element method. It should be said here that, while Robot Structural Analysis is a very powerful tool for building structural engineering, it is a tool which requires a strong foundation in the engineering principles behind FEA and using it without understanding the principles behind it can lead to unsafe designs and very bad consequences.
Talso assume you have successfully installed and licensed the software. Autodesk technical support is highly skilled at assisting with any installation problems. I would feel remiss at spending pages here to detail the installation process. What you will learn Chapter 1 – Getting Started From opening your first project, starting to understand the interface and navigating a project, using workplanes, graphical views and tables. You will gain familiarity with the basic function of the interface.
Most importantly you will learn all about how to manage selections in Robot. Configure material databases, unit formats, design and combination codes, and take a look at analysis settings. Chapter 3 – Basic Structural Modeling Learn how to layout structural grids and stories, add nodes if desired, model bars, beams, columns, and apply support definitions.
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Similar to load application, these arrows are indicating the direction of the bar start to end which will be assumed by Robot for application. Close the Supports Dialog.