wiki:sns:intactgh:ex_3
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| wiki:sns:intactgh:ex_3 [2023/06/13 15:34] – [Hide Drone Model] goldy | wiki:sns:intactgh:ex_3 [2024/02/01 12:29] (current) – graham | ||
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| ======Ex-3: Modal Simulation of a drone====== | ======Ex-3: Modal Simulation of a drone====== | ||
| - | This example demonstrates how to simulate the natural frequencies of a drone. This is a free free analysis, so there are no rigid boundary conditions. | ||
| - | {{: | + | 🧰The Rhino and Grasshopper files used in this example can be downloaded here: {{: |
| + | *Legacy* files for Rhino 7 can also be found here: {{: | ||
| + | |||
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| + | This example demonstrates how to simulate the natural frequencies of a drone. This is a free vibration analysis, so there are no restraints. | ||
| - | The Rhino and Grasshopper files used in this example can be downloaded below: {{ : | ||
| * The key steps involved in setting up the simulation are explained here. | * The key steps involved in setting up the simulation are explained here. | ||
| * New users are advised to checkout the [[wiki: | * New users are advised to checkout the [[wiki: | ||
| + | |||
| + | {{ : | ||
| =====Geometry and material setup===== | =====Geometry and material setup===== | ||
| - | * Place a geometry object on the canvas by double clicking anywhere and typing geometry. Hit enter to place the object on the canvas | + | * Place a geometry object on the canvas by double-clicking anywhere and typing geometry. Hit enter to place the object on the canvas |
| - | * Right click on the geometry object and change the name of the object to “drone”. Click “Set one geometry” and click the body of the drone in Rhino | + | * Right-click on the geometry object and change the name of the object to “drone |
| * Create an Intact Component and connect the drone block’s output to the component as shown in (b) | * Create an Intact Component and connect the drone block’s output to the component as shown in (b) | ||
| - | * Create a Standard Material block. Right click on the block and choose “ABS” as the material (c) | + | * Create a Standard Material block. Right-click on the block and choose “ABS” as the material |
| - | {{ : | + | {{ : |
| =====Setup solver===== | =====Setup solver===== | ||
| * Create a solver settings block as shown in (a) | * Create a solver settings block as shown in (a) | ||
| - | * Set the target resolution (Res) to 50K by creating a number slider, right clicking, and changing the max value and value to 50000 | + | * Set the target resolution (Res) to 50K by creating a number slider, right-clicking, and changing the max value and value to 50000 |
| * Select the direct solver type (St) | * Select the direct solver type (St) | ||
| * Select the basis order (B) as 1 for linear elements (basis order = 2 for quadratic elements) | * Select the basis order (B) as 1 for linear elements (basis order = 2 for quadratic elements) | ||
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| * Hit solve to compute the solution | * Hit solve to compute the solution | ||
| - | {{ : | + | {{ : |
| =====Restraints===== | =====Restraints===== | ||
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| * Create a geometry and set that geometry to the surface you desire to be restrained (a) | * Create a geometry and set that geometry to the surface you desire to be restrained (a) | ||
| * Create a fixed restraint object and connect the geometry to G (b) | * Create a fixed restraint object and connect the geometry to G (b) | ||
| - | * Connect the fixed restraint to the Modal Solver (c) | + | * Connect the fixed restraint to the Modal Solver |
| - | {{ : | + | {{ : |
| =====Setup visualization block===== | =====Setup visualization block===== | ||
| Line 43: | Line 47: | ||
| * Optionally, users can connect the visualization settings block for customizing the views | * Optionally, users can connect the visualization settings block for customizing the views | ||
| * Right click on the visualize block and choose the simulation output for display. In this case, it is each mode | * Right click on the visualize block and choose the simulation output for display. In this case, it is each mode | ||
| - | * Create a panel block and connect it to the frq output on the Modal solver to display the mode frequencies in list form (c) | + | * Create a panel block and connect it to the frq output on the Modal solver to display the mode frequencies in list form %%(c)%% |
| * Optionally, the deflection scale (Def) can be altered to visualize the mode shapes | * Optionally, the deflection scale (Def) can be altered to visualize the mode shapes | ||
| - | {{ : | + | {{ : |
| =====Hide Drone Model===== | =====Hide Drone Model===== | ||
| * In Rhino, select the body of the drone and click hide. This will prevent the object from interfering with the visualization of the simulation | * In Rhino, select the body of the drone and click hide. This will prevent the object from interfering with the visualization of the simulation | ||
| - | Modal Simulation of the drone is displayed below. The displayed mode is near 68 Hz. | + | Modal Simulation of the drone is displayed below. The displayed mode is near 68 Hz. To load the simulation results later, create a simulation reader block, right-click, |
| {{ : | {{ : | ||
wiki/sns/intactgh/ex_3.1686692096.txt.gz · Last modified: 2023/06/13 15:34 by goldy