You signed in with another tab or window. Reload to refresh your session.You signed out in another tab or window. Reload to refresh your session.You switched accounts on another tab or window. Reload to refresh your session.Dismiss alert
<pclass="page-card-description">We simulate the torsion of a beam generated by a circular motion at one extremities and fixed to the other side. The material is considered NeoHookean compressible.</p>
485
+
<h4>Vierendeel truss</h4>
486
+
<pclass="page-card-description">We simulate the deformation of a Vierendeel truss made of steel.</p>
<pclass="page-card-description">We simulate the torsion of a beam generated by a circular motion at one extremities and fixed to the other side. The material is considered NeoHookean compressible.</p>
{"cells":[{"cell_type":"markdown","source":["# Bracing with ribs\n\n","## Introduction\n\n","The ribs have stiffening effect. So the plates are supplied with different ribs.\n\n","## Running the case\n\n","The command line to run this case is\n","```mpirun\n","mpirun -np 4 feelpp_toolbox_solid --case \"github:{repo:toolbox,path:examples/modules/csm/examples/ribs}\"\n","```","*Note:* The report of the execution of the command above is available [here](t-beam/solid-information.ipynb).\n\n","## Data files\n\n","The case data files are available in Github [here](https://github.com/feelpp/toolbox/blob/master/examples/modules/csm/examples/ribs/)\n","\n","- [CFG file](https://github.com/feelpp/toolbox/blob/master/examples/modules/csm/examples/ribs/disk.cfg) - [[Edit the file](https://github.com/feelpp/toolbox/edit/master/examples/modules/csm/examples/ribs/disk.cfg)]\n","- [JSON file](https://github.com/feelpp/toolbox/blob/master/examples/modules/csm/examples/ribs/disk.json) - [[Edit the file](https://github.com/feelpp/toolbox/edit/master/examples/modules/csm/examples/ribs/disk.json)]\n","\n\n","## Model/Geometry\n\n","The first step is to create the model of the plate, which we can simply do in the Creo Parametric program. With this program was the fastest and easiest way to create the model.\n","The finished geometry (Creo) and the meshed model (Gmsh):\n","\n","| image:{imagesprefix}ribs/image2.png[] | image:{imagesprefix}ribs/image4.png[] |\n","| ------------------------------------- | ------------------------------------- |\n","\n\n","## Materials and boundary conditions\n\n","## Materials\n\n","The beam is made of steel, so we need to use the following data:\n","\n","- E = 210 GPa → 210e3 N/mm2\n","- nu = 0.3\n","- rho = 7800 kg/m3 → 7800e-9 kg/mm3\n","\n","```json\n","Unresolved directive in index.adoc - include::{examplesdir}/ribs/disk.json[tags=materials]\n","```","## Boundary conditions\n\n","The plate is fixed with three screws (yellow → named `fixed`). The force is applied, where are the other three srews (green → named `load`).\n","```json\n","Unresolved directive in index.adoc - include::{examplesdir}/ribs/disk.json[tags=boundaryconditions]\n","```\n","## Results (Displacement and Von-Mises Criterions)\n\n","## Without ribs\n\n","Maximum displacement: 0.6501 mm Maximum stress: 512.4 MPa\n","\n","| image:{imagesprefix}ribs/image5.png[] | image:{imagesprefix}ribs/image6.png[] |\n","| ------------------------------------- | ------------------------------------- |\n","\n","```\n","{\n"," \"deformation\": [\n"," {\n"," \"scene\": \"displacement\"\n"," },\n"," {\n"," \"scene\": \"von_mises\"\n"," }\n"," ]\n","}\n","```","## With ribs\n\n","Maximum displacement: 0.528 mm Maximum stress: 599.1 MPa\n","\n","| image:{imagesprefix}ribs/image7.png[] | image:{imagesprefix}ribs/image8.png[] |\n","| ------------------------------------- | ------------------------------------- |\n","\n","```\n","{\n"," \"deformation\": [\n"," {\n"," \"scene\": \"displacement\"\n"," },\n"," {\n"," \"scene\": \"von_mises\"\n"," }\n"," ]\n","}\n","```","## Summary\n\n","The deformation of the plate is smaller (-18%) with ribs.\n","The maximum stress bigger, but in the bend where the plate would break, there is smaller.\n"],"metadata":{}}],"metadata":{"language_info":{"name":"python","version":"3.8"}},"nbformat":4,"nbformat_minor":4}
1
+
{"cells":[{"cell_type":"markdown","source":["# Bracing with ribs\n\n","## Introduction\n\n","The ribs have stiffening effect. So the plates are supplied with different ribs.\n\n","## Running the case\n\n","The command line to run this case is\n","```mpirun\n","mpirun -np 4 feelpp_toolbox_solid --case \"github:{repo:toolbox,path:examples/modules/csm/examples/ribs}\"\n","```","*Note:* The report of the execution of the command above is available [here](t-beam/solid-information.ipynb).\n\n","## Data files\n\n","The case data files are available in Github [here](https://github.com/feelpp/toolbox/blob/master/examples/modules/csm/examples/ribs/)\n","\n","- [CFG file](https://github.com/feelpp/toolbox/blob/master/examples/modules/csm/examples/ribs/disk.cfg) - [[Edit the file](https://github.com/feelpp/toolbox/edit/master/examples/modules/csm/examples/ribs/disk.cfg)]\n","- [JSON file](https://github.com/feelpp/toolbox/blob/master/examples/modules/csm/examples/ribs/disk.json) - [[Edit the file](https://github.com/feelpp/toolbox/edit/master/examples/modules/csm/examples/ribs/disk.json)]\n","\n\n","## Model/Geometry\n\n","The first step is to create the model of the plate, which we can simply do in the Creo Parametric program. With this program was the fastest and easiest way to create the model.\n","The finished geometry (Creo) and the meshed model (Gmsh):\n","\n","| image:ribs/image2.png[] | image:ribs/image4.png[] |\n","| ----------------------- | ----------------------- |\n","\n\n","## Materials and boundary conditions\n\n","## Materials\n\n","The beam is made of steel, so we need to use the following data:\n","\n","- E = 210 GPa → 210e3 N/mm2\n","- nu = 0.3\n","- rho = 7800 kg/m3 → 7800e-9 kg/mm3\n","\n","```json\n","Unresolved directive in index.adoc - include::{examplesdir}/ribs/disk.json[tags=materials]\n","```","## Boundary conditions\n\n","The plate is fixed with three screws (yellow → named `fixed`). The force is applied, where are the other three srews (green → named `load`).\n","```json\n","Unresolved directive in index.adoc - include::{examplesdir}/ribs/disk.json[tags=boundaryconditions]\n","```\n","## Results (Displacement and Von-Mises Criterions)\n\n","## Without ribs\n\n","Maximum displacement: 0.6501 mm Maximum stress: 512.4 MPa\n","\n","| image:ribs/image5.png[] | image:ribs/image6.png[] |\n","| ----------------------- | ----------------------- |\n","\n","```\n","{\n"," \"deformation\": [\n"," {\n"," \"scene\": \"displacement\"\n"," },\n"," {\n"," \"scene\": \"von_mises\"\n"," }\n"," ]\n","}\n","```","## With ribs\n\n","Maximum displacement: 0.528 mm Maximum stress: 599.1 MPa\n","\n","| image:ribs/image7.png[] | image:ribs/image8.png[] |\n","| ----------------------- | ----------------------- |\n","\n","```\n","{\n"," \"deformation\": [\n"," {\n"," \"scene\": \"displacement\"\n"," },\n"," {\n"," \"scene\": \"von_mises\"\n"," }\n"," ]\n","}\n","```","## Summary\n\n","The deformation of the plate is smaller (-18%) with ribs.\n","The maximum stress bigger, but in the bend where the plate would break, there is smaller.\n"],"metadata":{}}],"metadata":{"language_info":{"name":"python","version":"3.8"}},"nbformat":4,"nbformat_minor":4}
0 commit comments