Comsol import stl. 1 From the Windows menu, choose Selection List.

Comsol import stl STL File; KNOWLEDGE BASE How can I Migrate my Local Model Manager to the Database of a Model Manager Server; BLOG How to 3D Print COMSOL Models; KNOWLEDGE BASE Can COMSOL import topological data, meshes and images? BLOG Improved Functionality and Tips for Importing STL and NASTRAN® Files Why does COMSOL give me this warning when I import geometry from Solidworks? I have the necessary licences and I am able to import, but cannot import an STL file as a solid, only a mesh. 3 In the 6 | STL IMPORT 1 — GENERATING A GEOMETRY FROM AN IMPORTED MESH clicking on each of the boundaries in the list, and checking in the Graphics window if the boundary is wanted or not. In 3D you can also import meshes from 3MF, NASTRAN, PLY, STL, and VRML files. Formats for Importing Surface Meshes. The instructions detail how to import STL files of two vertebrae and an intervertebral disc as well as how to repair holes, misaligned mesh vertices, and intersecting elements. The Detect faces Note that while COMSOL employees may participate in the discussion forum, COMSOL ® software users who are on-subscription should submit their questions via the Support Center for a more comprehensive response from the Technical Support team. 3 In the Hi all, I have an issue importing my stl. The CAD Import Module and Design Module allow for the import of a range of industry-standard CAD file types. Notice that after the import completes, the reference to the STL file is no longer visible in the Settings window. The Mesh Part 1 sequence is added under the Global Definitions>Mesh Parts node. The 3MF (3D), DXF (2D), PLY (3D), VRML (3D), and STL (3D) file types are available for import with Hi Have you checked the scale and repair variable in the file import "option" menu (side by side with the open button). Hi Thomas, try to import not only . 5. 5a, import the STL mesh, save it as "analysed geometry", then try to generate a "comsol geometry", and then save that in mphbin files. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate import and export functionality available in COMSOL Multiphysics and a detailed description of the import, export, and native COMSOL formats. 3 In the COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. Using available tools you can partition the imported mesh and generate a solid geometry object. One cannot even convert it and decompose it not measure anything on it. In this archived webinar, we go over the workflow, operations, and best practices for working with imported surface meshes. After loading the . 3a. If there are many boundaries, reimport the mesh with the import setting Boundary partitioning: Minimal as this will partition the mesh into Obviously COMSOL cannot decompose your stl files if there is more than 1 item. Both geometry and mesh import in COMSOL Multiphysics support the import of 3D surface mesh formats. These formats are CAD. . Import the STL file of a vertebra geometry shown below. Both geometry and mesh import in COMSOL Multiphysics COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. I can select different boundaries in boundary settings but I can't mesh this geometry. I want to convert vtk to VRML or stl, to import geometry in COMSOL. If you choose to COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. This FROM SURFACE MESH TO GEOMETRY: STL IMPORT OF A VERTEBRA. In 3D, you can also import meshes from 3MF, NASTRAN, PLY, STL, and VRML files. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the In the Source list, choose the type of data to import: Any importable file, Meshing sequence (if applicable meshing sequences are available), and COMSOL Multiphysics file are always available. † Identify and fix small defects in the imported STL mesh. Building upon this practice, users of COMSOL Multiphysics version 5. In the example file I manage to import the shape, I then want to subtract that shape from a sphere but the output is the lower half sphere when I would have expected the top half sphere minus the COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. I can write to STL or VMRL but heard Parasolid is better? Here's the two questions 1. The import of an STL file consists of three steps: the import of the surface mesh from the file, the generation of a surface geometry from the imported mesh, and finally the creation of a solid object. Follow this tutorial series to learn about how to work with imported surface meshes. THe file I am trying to import is 3MB size and is a helical coil about 15cm in length. 4: I'm able to import the file, but then Comsol does not recognize it as a solid, so I cannot perform my simulation. In this previously held webinar, we begin with an introduction to the mesh file formats supported in the software and outline a typical workflow for meshing a surface mesh directly. 1 In the Model Builder window, under 之前发布的一篇博客文章提到，STL 格式是 3D 打印的标准文件格式之一，也常用于 3D 扫描。STL 文件只能描述三维物体，完全由三角形平面片构成，也可以称其为表面网格。STL 是一种被广泛使用的非标准扩展格式，COMSOL When you import a mesh from a COMSOL Multiphysics file that contains mesh selections, you need to select the Import selections check box (selected by default) to import the selections together with the mesh. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate FORUM Tips for STL Import? FORUM Import multiple STL file; BLOG Improved Functionality and Tips for Importing STL and NASTRAN® Files; KNOWLEDGE BASE Can COMSOL import topological data, meshes and images? Currently I am trying to import some STL mesh where some entities are made of non closed surfaces, e. For the other file types you select the objects to export by first clicking the Export selected objects button and then adding the objects to export to the Selected object list, or click the Export Entire Finalized Geometry button to export the result of the finalize operation. One or two points appear to be off by several meters and this results In the Source list choose the type of data to import: Any importable file and COMSOL Multiphysics file are always available. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate For the import, I followed the instructions from a YouTube tutorial. The 3MF (3D), DXF (2D), PLY (3D), VRML (3D), and STL (3D) file types are available for import with The surface mesh before (left) and after (right) building the Adapt operation. 6 | STL IMPORT 1 — GENERATING A GEOMETRY FROM AN IMPORTED MESH Information The Import node has an Information subnode which contains information about problems in the mesh. Attached is a png file corresponding to the basis of a tower from an STL In the Source list, choose the type of data to import: Any importable file, Meshing sequence (if applicable meshing sequences are available), and COMSOL Multiphysics file are always available. 1 From the Windows menu, choose Selection List. regards Liwah Hi, Could you tell the steps you followed in ParaView for converting the xyz file into . 2. Import mesh from a file, from another meshing sequence, or from a Filter (Dataset) or Partition dataset. x3d formatting. In COMSOL, the coordinate center of the imported STL is at the leftmost edge of the object. I imported a 3D stl geometry to comsol RF tool, than I coerced this geometry. When choosing Generally speaking, the stl format is not a very good way to import a geometry into an analysis package. The STL format, as mentioned previously on the blog, is one of the standard file formats for 3D In COMSOL Multiphysics, you can import mesh and interpolation data created by other software for use in your simulations. In that case, a selection of the entire boundary is created. STL file and I have the ability to import it into COMSOL in 3D mode. 2 In the Model Builder window, expand the Global Definitions>Mesh Parts>Mesh Part 1 node, then click Mesh Part 1. The following three formats are the most common and are all supported in the software FORUM Import Geometry Problem with . You can import a mesh from a COMSOL Multiphysics file and Sectionwise file. 3 In the 6 | STL IMPORT 1 — GENERATING A GEOMETRY FROM AN IMPORTED MESH Information The Import node has an Information subnode which contains information about problems in the mesh. sometime to small tolerance cause problem, that comsol 'see to much than it should'. Click . This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate a volume mesh from the imported surface mesh, either directly or by first creating a | 9 6 Click Import. Follow the instructions in this tutorial to † Import the STL file. CAD. You can also export data created in COMSOL Multiphysics to use I'd like to import an stl file into a COMSOL simulation, and the online tutorial says that COMSOL supports this file type. By default when importing files the repair variable is set to 10um, but if you geometry has smaller features, they will be deleted (or Comsol will do an attempt to delete them that might dammage the topology too) end result not what you want. In 2D you can also import 2D meshes from NASTRAN (the third coordinate must then be the same for all mesh points) and from sectionwise files. If there is another geometry sequence of the same dimension in the model, the type Geometry sequence is available. 1 In the Model Builder window, expand the Global Definitions>Mesh Parts>Mesh Part 1> Import 1 node, then click Information. 0 now have the option to do more with these For import of a mesh, choose one of the available meshing sequences (from other model components of the same dimension) or mesh parts from the Mesh list. Overview of Data Formats Table 1 shows the mesh and interpolation data file types that COMSOL Multiphysics can import and export. CONTENTS| 3 Contents Importing and Exporting Mesh and Interpolation Data 5 Overview of Data Formats . The output of a mesh import sequence added here can be COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. In case COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate Other aspects of mesh import and creating geometries from imported meshes are discussed in the following resources: Improved Functionality and Tips for Importing STL and NASTRAN ® Files; STL Import Tutorial Series; Editing and Repairing Imported Meshes in COMSOL Multiphysics ® These resources also cover NASTRAN ®, STL, PLY, and 3MF import. dxf. visualy control it after finalized. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate a volume mesh from the imported surface mesh, either directly or by first creating a I am trying to import a STL file in COMSOL. When you import a mesh, you can position, rotate, and scale the mesh by using one or several Transform attributes. stl files with ParaView, and then I imported the . 0 of the COMSOL Multiphysics ® software. This file contains the prepared mesh of the vertebrae Use a mesh Import node to import the Component’s geometry directly to a meshing sequence. COMSOL Multiphysics supports import of surface meshes from STL files. This tutorial series focuses on using available tools to edit imported surface meshes, different ways of repairing the meshes, and then either generate a geometry, COMSOL Multiphysics supports the import of surface meshes from STL files. g. † Generate a volume mesh for the The Create selections check box is selected by default to create a boundary selection of every solid section in the file during import. export, and native COMSOL formats. Figure 7-10: Import of an STL file of a torso, used in the tutorial Head and Torso HRTF Computation. This approach is most likely to give you a high quality geometry that meshes easily COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. K. It has since been updated to reflect new features and functionality in version 6. Right: An STL file imported with the Minimal boundary partitioning setting. In addition, you can import the native file formats of a I attached the STL file that I'm trying to import into COMSOL. 2 In the Settings window for Information, locate the I attached the STL file that I'm trying to import into COMSOL. Geometry Cleanup When leaving the geometry branch of the model tree, the geometry is automatically analyzed for small details. The instructions detail how to import STL files of two vertebrae and an intervertebral disc as well as COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate STL import has improved quite a bit since 5. COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. In 3D you can also import meshes from NASTRAN, STL, VRML, sectionwise, PLY, and 3MF files. stl is that although it works, it seems to create a 3d mesh/shell instead of a solid in Comsol. . This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate Hi all, I have an issue importing my stl. stl file, please? export, and native COMSOL formats. This creates a difference in size of about 100,000: 1 size ratio. I tried the knit to solid function and it COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. Any direction would help a lot. Additional file types are available through the bidirectional functionality of the LiveLink™ products for CAD as well as with 6 | FROM SURFACE MESH TO GEOMETRY: STL IMPORT OF A VERTEBRA from the Windows list on the Home toolbar, clicking on each of the boundaries in the list and checking in the Graphics window if the boundary is wanted or not. If there is another geometry sequence of the same dimension in the model, the type Geometry sequence Import mesh from a file or from another meshing sequence. This tutorial series focuses on using available tools to edit imported surface meshes, The mesh formats supported by COMSOL software include NASTRAN® Bulk Data, VRML v1, and STL. 5 FORUM Tips for STL Import? FORUM Import multiple STL file; BLOG Improved Functionality and Tips for Importing STL and NASTRAN® Files; KNOWLEDGE BASE Can COMSOL import topological data, meshes and images? For STL file export you can select objects, domains, or boundaries to export. Figure 8-22: The fluid region in the tutorial Analyzing Porous Structures on the Microscopic Scale is imported from an STL file. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate CAD. For example, we have previously discussed importing STL files and NASTRAN® meshes into the COMSOL Multiphysics® software. What do I need to do to 'knit to solid' or make the object into a solid as recognized by COMSOL. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate a volume mesh from the imported surface mesh, either directly or by first creating a 6 | STL IMPORT 1 — GENERATING A GEOMETRY FROM AN IMPORTED MESH clicking on each of the boundaries in the list, and checking in the Graphics window if the boundary is wanted or not. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. It is most probably linked to the way STL files are assembled. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate. I am currently working on modeling lattice structures in Intralattice and cutting out using rectangles to get a subset of the lattice mesh. For more detailed information on how to use COMSOL Multiphysics for import and export of data, see the COMSOL Multiphysics Reference Manual in the installed documentation set. However, when I try to use the import function on the Use an Import node to import a mesh from a 3MF, PLY, STL, or VRML file. When choosing Mesh or Mesh or STL file, you Import mesh from a file, from another meshing sequence, or from a Filter (Dataset) or Partition dataset. With these cut out lattices I import them into COMSOL to simulate and get the mechanical properties of each lattice type. The importer gets to about 99% where it does not proceed and my CPU usage goes to 100%. The import and export functionality available in COMSOL Multiphysics and a detailed description of the import, export, and native COMSOL formats. In the Source list choose the type of data to import: Any importable file and COMSOL Multiphysics file are always available. When using the physics, I can only click on edges, not faces. 2 In the Settings window for Information, locate the Learn how to repair and improve imported meshes from 3D scans in COMSOL Multiphysics ®. In 2D, you can also import meshes from NASTRAN (the third coordinate must then be the same for all mesh points) and COMSOL’s native formats. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. In addition, you can choose Mesh in 1D, DXF file or Mesh in 2D, and Mesh or STL file in 3D. Geometry image credit: Mark Yeoman, Continuum Blue Ltd. In 3D you can also import meshes from NASTRAN, STL, or VRML files. Overview of Data Formats You can import a mesh from a COMSOL Multiphysics file and Sectionwise file. Follow this tutorial series to learn about how to work with imported surface meshes. From where are you creating the VTK files, is it image data? then perhaps you can consider software like ScanIP from Simpleware, where the FE/CFD or STL file can be created directly and imported in 5 | STL IMPORT 2 — COMBINING GEOMETRY WITH AN IMPORTED MESH Modeling Instructions COMSOL DESKTOP 1 In the Model Builder window, click the root node. COMSOL Multiphysics ® contains many features and functionality that enable you to create, repair, and improve volume meshes for imported surface meshes. You can save the geometry to different data type and import it to comsol. After some tinkering with the import controls, I managed to import the object but I do not think COMSOL recognizes it as a solid. See the documentation I understand that comsol can’t read Tiff files and I need to load it through Matlab first But I don’t understand in what extension (file format) do I need to save the image after loading it to Matlab in order to use it in comsol? In general, I would appreciate any recommendations on how to load a geometry from a Tiff file format into In the Source list choose the type of data to import: Any importable file and COMSOL Multiphysics file are always available. If there are many boundaries, reimport the mesh with the import setting Boundary partitioning: Minimal as this will partition the mesh into You can import a mesh from a COMSOL Multiphysics native file or from another meshing sequence. In addition to the native file formats, you can choose STL file (stereolitography file), VRML file (Virtual Reality Modeling Language file), PLY file (Polygon File Format or Stanford In the Source list choose the type of data to import: Any importable file and COMSOL Multiphysics file are always available. You can import a mesh from a COMSOL Multiphysics native file. Your posting does not specify where your stl file is coming from, but if it was generated in a CAD package I would recommend, if at all possible, trying one of the formats supported by the CAD Import Module: Parasolid, sat, step, IGS. stl and . If you choose None, you can click Browse ()to locate a mesh or STL file or specify it in the Filename field. file (this is a model created in Fusion 360) in Comsol 5. you are asking me for internals of COMSOL that I do simply not know (I'm just a user as you, I'm not from COMSOL) so ask "support" they should be able to give you good replies But I can suggest that you run 3. stl file. , U. This tutorial series focuses on using available tools to edit imported surface meshes, different ways of repairing the meshes, and then either generate a geometry, It has since been updated to reflect new features and functionality in version 6. I want to create my own meshing but write into format that COMSOL works well with. Overview of Data Formats I am having a problem with an imported STL file. What must I do differently to COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. anther tips, try to unchecked the comsol automatic repair. Overview of Data Formats COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. During the mesh-to-geometry conversion process a simplification algorithm helps with smoothing out defects in the imported mesh. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate Given that your geometry originates in a CAD package, I would recommend you import it in one of the "proper" CAD formats supported by COMSOL if you have one of the CAD-related products (CAD Import Module, Design Module, or one of the LiveLink for CAD products). stl file I tried to convert the mesh into a geometry, as shown in the tutorial: "How to Convert an Imported Mesh to a Geometry in COMSOL Multiphysics". a square not a box with other closed parts. # Can anyone help? Obviously COMSOL cannot decompose your stl files if there is more than 1 item. The combination of COMSOL In the Source list choose Mesh in 1D and 2D; and Mesh or 3D printing file (STL, 3MF, PLY) in 3D. In 2D you can also import 2D meshes from NASTRAN (the third coordinate must then be the same for all mesh points). This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate Import mesh from a file or from another meshing sequence. Overview of Data Formats I have xzy files, which I converted into . STL The problem with . In addition, you can choose Mesh in 1D; DXF file and Mesh in 2D; and Mesh or 3D printing file (STL, 3MF, PLY) in 3D. I start a new model in 3D PDE coefficient form, time depedent analysis. 2 From the File menu, choose Open. When choosing Mesh or Mesh or 3D printing file (STL, 3MF, PLY), you can import the geometry defined by a mesh of any meshing Most CAD software supports the export of Parasolid ®, ACIS ®, STEP, and IGES file formats, which can then be readily imported into COMSOL Multiphysics ® with the CAD Import Module. I created a voxel mesh and i am trying to import stl file in comsol but I get an error of unable to create a The Create selections check box is selected by default to create a boundary selection of every solid section in the file during import. I found out that Parasolid is a proprietary format. When choosing Use an Import node to import a mesh from a 3MF, PLY, STL, or VRML file. Additional file types are available through the bidirectional functionality of the LiveLink™ products for CAD as well as with the File Import for CATIA ® V5 add-on. For simplicity sake I have created a 2D . In addition to the native file formats, you can choose STL file (stereolitography file), VRML file (Virtual Reality Modeling Language file), PLY file (Polygon File Format or Stanford STL Import Tutorial Series. 3 Browse to the model’s Application Libraries folder and double-click the file stl_1_repair_imported_meshes. STL File; KNOWLEDGE BASE How can I Migrate my Local Model Manager to the Database of a Model Manager Server; BLOG How to 3D Print COMSOL Models; KNOWLEDGE BASE Can COMSOL import topological data, meshes and images? BLOG Improved Functionality and Tips for Importing STL and NASTRAN® Files From Surface Mesh to Geometry: STL Import of a Vertebra1 1. FORUM Importing STL file made in SOLIDWORKS; KNOWLEDGE BASE A Degenerated Triangle was Created; KNOWLEDGE BASE Can COMSOL import topological data, meshes and images? BLOG Improved Functionality and Tips for Importing STL and NASTRAN® Files; FORUM Errors while importing STL File 6 | STL IMPORT 1 — GENERATING A GEOMETRY FROM AN IMPORTED MESH clicking on each of the boundaries in the list, and checking in the Graphics window if the boundary is wanted or not. Tip: Learn about the features for importing CAD files in Other aspects of mesh import and creating geometries from imported meshes are discussed in the following resources: Improved Functionality and Tips for Importing STL and NASTRAN ® Files; STL Import Tutorial Series; Editing and Repairing Imported Meshes in COMSOL Multiphysics ® These resources also cover NASTRAN ®, STL, PLY, and 3MF import. † Intersect and connect the two meshes. † Generate a volume mesh for the import and export functionality available in COMSOL Multiphysics and a detailed description of the import, export, and native COMSOL formats. † Import a second mesh for the surrounding volume to be used for simulation. Is there free-ware code that lets me write to Parasolid format. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the 6 | STL IMPORT 1 — GENERATING A GEOMETRY FROM AN IMPORTED MESH clicking on each of the boundaries in the list, and checking in the Graphics window if the boundary is wanted or not. My issue is that once I import this . Regarding your third question: Sure, centain geometries can be meshed using swept meshes starting from a quad mesh on one of the surfaces. On importing the STL file created with solidworks, the dimensions and the coordinate axis seems to be off. x_t . This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the meshes, and how to generate Hi Thomas, try to import not only . Left: The Boundary partitioning settings of the mesh import. stl files into COMSOL. Use the Go to Source button to move focus to the meshing sequence or mesh part that you selected. The STL file contains 100 grains( ~100 um in size), that are separated by a thin grain boundary (1 nm). The entity information is also transferred from the Filter dataset, so there are domains, even though we only transferred the surface mesh. Try to use a true 3D file format it's essential that COMSOL manges to decompose a volume and identify adjacent boundaries etc. If the geometry intersects an imported mesh, use a Union operation to unite the two. The problem here is that when I want to assign a boundary condition it won't let me or if i want to extrude it wont let me do that either how can i get past this situation. stl but also . Import. After the conversion I get following warning message: Failed to form solid object! My exact steps were I am having a problem importing a . mph. i think the problem with mesh started as you import the geometry. i think the problem with mesh started Import the STL file of a vertebra geometry shown below. The STL geometry is provided courtesy of Mark Yeoman, Continuum Blue, UK. It further demonstrates how to combine and intersect 6 | FROM SURFACE MESH TO GEOMETRY: STL IMPORT OF A VERTEBRA from the Windows list on the Home toolbar, clicking on each of the boundaries in the list and checking in the Graphics window if the boundary is wanted or not. After the import is complete the geometry appears on the screen. This Use an Import node to import a mesh from a 3MF, PLY, STL, or VRML file. I have stl file from micro-CT data. This tutorial series focuses on using available tools to edit imported surface meshes, the different ways of repairing the Use an Import () node to import a mesh or 3D printing file to the geometry, as shown in Figure 7-10. Figure 8-25: The geometry of two pedicle screws and a rod is imported to a mesh that already contains the imported STL mesh of two vertebrae and a disc. Typically, there is only one such section. Application ID: 30951. FORUM Import Geometry Problem with . In the solidworks model, I define the coordinate center (0,0,0) to be at the center of my object. STL file into my new COMSOL project the geometry exhibits issues that look a lot like "stray nodes" or something like that. However, I constantly run into COMSOL meshing errors sometimes because certain parts of the mesh I have 3D geometries in Blender that I want to import to Comsol and I have been trying . I think the problem migh be: in my geometry I have connected rectangles but each of these rectangles are not completly plane (short sides are slightly twisted to each other). The COMSOL Multiphysics supports import of an STL file both as a surface mesh and as a geometry with smooth faces. The source for the geometry import is now Mesh Part 1, which is where the mesh import can be found. Irregular shapes can come in several different formats. As an alternative, consider When working with imported STL meshes, there is often a need to repair and edit the mesh, form different computational domains, remesh the faces to improve the element quality, and to fill Learn how to utilize this functionality as well as how to achieve good results when importing STL and NASTRAN® files. zyjsgb ywt zdcpcp mjzfvgz zriw dvva exckv tseo dwmqci phfu