wiki:sns:intactgh:ex_3
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| wiki:sns:intactgh:ex_3 [2023/06/13 15:23] – created 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: {{: |
| - | The Rhino and Grasshopper | + | *Legacy* |
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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 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 [[swiki: | + | * New users are advised to checkout the [[wiki: |
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| =====Geometry and material setup===== | =====Geometry and material setup===== | ||
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| - | * 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 |
| - | {{ : | + | |
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| =====Setup solver===== | =====Setup solver===== | ||
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| * 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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| * Set the number of desired frequencies as 15 (F) | * Set the number of desired frequencies as 15 (F) | ||
| * Hit solve to compute the solution | * Hit solve to compute the solution | ||
| - | {{ : | + | |
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| =====Restraints===== | =====Restraints===== | ||
| Since this is a free free modal simulation, we do not have any restraints. If restraints were desired, they would be set up as follows | Since this is a free free modal simulation, we do not have any restraints. If restraints were desired, they would be set up as follows | ||
| * 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 |
| - | {{ : | + | |
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| =====Setup visualization block===== | =====Setup visualization block===== | ||
| * Create a visualization block and connect the solver output to the visualization block (a) | * Create a visualization block and connect the solver output to the visualization block (a) | ||
| * 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 | ||
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| =====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, |
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wiki/sns/intactgh/ex_3.1686691426.txt.gz · Last modified: 2023/06/13 15:23 by goldy