Tutorials

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Tutorial: Convert .stl Mesh to Solid File in Autodesk Inventor

Ioannis Skarlatakis
in Design & CAD
7 7 Beginner
I found today a post from a friend (Nuno) asking how to solve this issue, converting an .stl to solid .ipt. Then I remembered that I found something in the past regarding this conversion... Yeap! it was in Autodesk Labs So let me explain with couple of easy steps how this works...
Autodesk Inventor inventor solid mesh stl convert ipt tipsntricks

Simplification Surface and Surface Mesh

Maxime Chagnot
in FEM
4 0 Beginner
https://youtu.be/XQ0Q6M66ToM This tutorial shows you how to transform a multi-patches surface into a clean surface. With the surface simplification functionality, you can merge patches together and obtain a proper surface. Combined with the healing feature, you fill the small gaps and connect all the patches together. To verify if the surface you can offset it to see if it is fully healed. The final step is to open the SIMULIA Structural Model Creation application, to mesh the surface and see why is it useful to clean the surface first.
CATIA mesh patches transformation design shape generative 3dexperience catia

Tutorial: How To Obtain Relative Accurate Results From Stress Analysis in Autodesk Inventor

Ioannis Skarlatakis
in Design & CAD
4 0 Beginner
FEA is not a simple mathematical operation. Instead it is a computer-based iterative numerical technique along with inevitable discretization errors, as a function of elements. Therefore these errors can be reduced by... specifying more elements (H-refinement) or employing a higher order of polynomial at each iteration (P-refinement). Effectively more computational power is required to solve complex shaped geometries with high dense mesh (Elements). But how dense should be my mesh to get appropriate results without wasting hours on simulation ??? This is the Golden Question! ... There is a criterion for that, called Converged solution... In plain words the mesh does not need any further refinement (denser mesh) as long as the solution is "Converged". The solution is assumed to be "Converged" when the results of the polynomial eq. does not change according to a prespecified tolerance e.g. 10% Good Results, 0.1% Great Results. So, let me share some information how to manipulate the mesh for a model along with three examples. As a conclusion we will enhance your confidence regarding the results you get, whether are relatively accurate or not (Low Percentage of Discretization Errors) without wasting hours on simulation!!! Don't Forget the simulation results are nothing without any experimental results to compare with.
Autodesk Inventor mesh fea solution tipsntricks convergence refinement

CATIA V5 - converting large STL files to SolidBodies/Surfaces

3D Comparison
in Modeling
1 0 Beginner
Link to the 3D model: https://grabcad.com/library/master-yoda-1 Link towards my other video regarding - How to obtain CATpart files starting from stl file formats in CATIA V5 https://www.youtube.com/watch?v=D7sE3AbY1P0
CATIA surface closed surfaces solidbody import mesh stl

CATIA - Import and process ASC files

3D Comparison
in Modeling
0 0 Beginner
There are many complicated file formats for reading and writing 3D mesh data. However, if you work only with 3D points in your 3D geometry application, then the ASC file format is a convenient way to read, write and display point data. ASC stands for ASCII and the files have an extension of .asc. This is a text file format, where each line has the XYZ coordinates of one point, each coordinate separated by whitespace. CATIA V5 can process ASC files, but it does require a lot of time! https://youtu.be/gS4HEcjG13A
CATIA convert mesh xyz clouds point files asc

CATIA V5 - Import 3D Google Maps Tiles

3D Comparison
in Modeling
0 0 Beginner
The workflow makes use of Blender and Blosm add-on. The add-on can be downloaded for free at: https://github.com/vvoovv/blosm
CATIA tower eiffel mesh stl blender 3d tiles google maps

Trimming and Splitting Meshes - #catiav5

3D Comparison
in Modeling
0 0 Beginner
Shape Sculptor in CATIA V5 offers various tools for manipulating meshes, including trimming and splitting.
CATIA sculptor shape mesh split trim catia v5

CATIA V5 - Shape Sculptor - Curve Select

3D Comparison
in Modeling
0 0 Beginner
The Shape Sculptor tool in CATIA V5 is a powerful tool for editing and sculpting polygonal models. It offers a variety of selection tools, including the curve select tool. The curve select tool allows you to select the facets located inside a closed set of curves.
CATIA 3d print stl define select mesh 3d curve

CATIA V5 - Shape Sculptor - Hole Select

3D Comparison
in Modeling
0 0 Beginner
The Shape Sculptor is a tool in CATIA V5 that can be used to create and edit polygonal models. It is a powerful tool that can be used to quickly add details and new features to a polygonal model. One of the features of the Shape Sculptor is the "Hole Select" tool. This tool can be used to select all of the holes in a polygonal model.
CATIA mesh catia v5 sculptor shape stl select hole

How to Project Curve in CATIA V5

3D Comparison
in Modeling
0 0 Intermediate
The case study makes use of a McLaren 520S available for free using BlenderKit
CATIA generative shape design sculptor mesh shape catia v5 project curve

CATIA V5 - Shape Sculptor - Activate and Activate All

3D Comparison
in Modeling
0 0 Beginner
The Activate and Activate All commands in CATIA V5 - Shape Sculptor are used to select polygonal meshes. The Activate command selects a single polygonal mesh, while the Activate All command selects all of the polygonal meshes in the current selection set.
CATIA stl catia v5 sculptor shape polygonal mesh activate

CATIA V5 - How to read STL files statistics

3D Comparison
in Modeling
0 0 Beginner
STL files are binary files that store 3D data as a collection of triangles. They are widely used in 3D printing, CAD software, and other applications that deal with 3D models. CATIA V5, a popular CAD software, can import and work with STL files. However, it does not provide a direct way to read the statistical information about an STL file, such as the number of triangles, the bounding box, or the average triangle size
CATIA mesh volume information files stl catia v5
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