wiki:sns:intactgh:faq
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| wiki:sns:intactgh:faq [2023/08/09 10:47] – [1. Solver Settings] goldy | wiki:sns:intactgh:faq [2025/09/17 13:58] (current) – goldy | ||
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| ======Intact.Simulation for Grasshopper Frequently Asked Questions====== | ======Intact.Simulation for Grasshopper Frequently Asked Questions====== | ||
| + | ===== 1. General ===== | ||
| + | ++1.1 Where are the simulation files saved by default?| \\ | ||
| + | \\ | ||
| + | * The simulation/ | ||
| + | * Under each, you can find the simulation working directory labeled by the time and date of the simulation run:// | ||
| + | * Within each, there is a log of the simulation run:// | ||
| + | |||
| + | ++1.2 What happens when two components are extremely close to each other but not bonded?| \\ | ||
| + | \\ | ||
| + | * Intact.Simulation models assemblies of parts as bonded if the gap between them is small. | ||
| + | * To ensure the accuracy of disconnected physics, reduce cell size (increase resolution) to be less than the gap size. ++ | ||
| - | =====1. Solver Settings ===== | + | =====2. Solver Settings ===== |
| [[wiki: | [[wiki: | ||
| - | ++1.1 When should I use linear elements and when should I use quadratic elements? | + | ++2.1 When should I use linear elements and when should I use quadratic elements? |
| + | \\ | ||
| * Regardless of the scenario, either will work. Generally, quadratic elements converge to a good answer quicker and with few elements, but it depends on the simulation scenario.\\ | * Regardless of the scenario, either will work. Generally, quadratic elements converge to a good answer quicker and with few elements, but it depends on the simulation scenario.\\ | ||
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| * It is important to note that with quadratic elements, many fewer elements are needed to compute an accurate solution. Having more elements increases computation time, so start with a low resolution or high cell size and increase the resolution/ | * It is important to note that with quadratic elements, many fewer elements are needed to compute an accurate solution. Having more elements increases computation time, so start with a low resolution or high cell size and increase the resolution/ | ||
| - | * 📌 See example application [[wiki: | + | \\ |
| + | 📌 See example application [[wiki: | ||
| - | ++1.2 How do I know what resolution/ | + | ++2.2 When should |
| + | \\ | ||
| + | * For linear elements, the Direct Solver is recommended at a lower resolution (100-200K for 32GB RAM), and the Iterative solver at a higher resolution. | ||
| + | * For quadratic elements, we recommend using the Direct Solver.\\ ++ | ||
| + | |||
| + | ++2.3 How do I know what resolution/ | ||
| + | \\ | ||
| * To accurately capture small features with linear elements, set the cell size to 1/3 the thickness of that feature.\\ | * To accurately capture small features with linear elements, set the cell size to 1/3 the thickness of that feature.\\ | ||
| * For quadratic elements, a cell size equal to the thickness of the small feature is sufficient.\\ | * For quadratic elements, a cell size equal to the thickness of the small feature is sufficient.\\ | ||
| - | * Low resolutions (< | + | * Low resolutions (< |
| + | \\ | ||
| + | 📌 For more information see this post on [[wiki: | ||
| - | ++1.3 Is there a maximum resolution (or minimum cell size)?| \\ | + | ++2.4 Is there a maximum resolution (or minimum cell size)? |
| + | \\ | ||
| * A decent laptop/ | * A decent laptop/ | ||
| - | ++1.4 How do I change where my simulation saves?| \\ | + | ++2.5 How do I change where my simulation saves? |
| + | \\ | ||
| * First, place a file path object on the Grasshopper Canvas.\\ | * First, place a file path object on the Grasshopper Canvas.\\ | ||
| * Right click, and click " | * Right click, and click " | ||
| {{ : | {{ : | ||
| - | ===== General | + | ===== 3. Results and Visualization |
| - | ++ Where are the simulation files saved by default?| \\ | + | ++3.1 How can I turn on/off display mesh visualization?| \\ |
| - | * The simulation/ | + | \\ |
| - | * Under each, you can find the simulation working directory labeled by the time and date of the simulation run:// | + | * Intact plots results using a display mesh. The result values |
| - | * Within each, there is a log of the simulation run://log.txt// ++ | + | * To turn on or off this display mesh, see the steps in the video below\\ |
| + | * Seeing the display mesh can be useful to ensure if there a visualization artifact due to the display mesh. \\ | ||
| + | {{ :wiki: | ||
| - | ++ What happens when two components are extremely close to each other but not bonded?| \\ | + | ++3.2 How to create sections in the visualization using Rhino Clipping Plane?| \\ |
| - | * Intact.Simulation models assemblies of parts as bonded if the gap between them is small. | + | \\ |
| - | * To ensure | + | * Use Rhino’s `ClippingPlane` command to insert a plane that intersects the geometry you want to section.\\ |
| + | * On the Grasshopper canvas, insert a `GUID` parameter block.\\ | ||
| + | * Right-click | ||
| + | * Once the GUID is linked to the Clipping Plane, the visualization should automatically update.\\ | ||
| + | * The simulation | ||
| + | * **Note:** Moving | ||
| + | |||
| + | {{: | ||
wiki/sns/intactgh/faq.1691599668.txt.gz · Last modified: 2023/08/09 10:47 by goldy