Engineering Stack Exchange
Engineering Stack Exchange

Questions tagged [surface-modelling]

14 questions
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Determine surface area of arbitrary physical object

Assume a physical object with arbitrary shape whose dimensions are on the order of 1 meter. How would one measure the surface area of the object? There may be many reasons for determining the surface area: Plating or painting the object Determining…
dotancohen
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PMMA-water contact angle in microchannel

I am using comsol to model a capillary behavior of water in an unmodified PMMA microchannel. In literature, I have seen untreated PMMA called hydrophobic. This makes no sense to me because, since its reported contact angle is 68deg, by definition it…
EBird
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How can I measure how perpendicular a laser is to a surface across a distance

I am a Computer Science student that has a personal project to do. I decided to try and take on a project for a company, and one of the things that I need to measure is how perpendicular a laser is to a surface. The surface is non-reflective, and I…
Stefan Conovali
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Is there a way to fix 'bad' surfaces in Solidworks?

I'm trying to create a smooth blended fillet on the outer edge of a part with fillets around it's corners in Solidworks. The results I have are pretty much what I want it to look like but when I check out the curvature the surfaces look pretty…
matty_eng123
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Getting From 3D a model to CNC router

Apologies if this is not the correct SE for this sort of question. But, this is the only place I've seen an appreciable number of CAD questions. If this isn't appropriate for engineering.se, a pointer to a more appropriate site would be greatly…
3Dave
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How can I modify this python code to produce a 2-start globoid worm gear in Blender?

I am designing a device that uses a double-throated, globoid worm. I am using a gear generator program to produce the worm in Blender. Using inputs given by the user, the gear generator provides a python code that I then paste into the Scripting…
Mitchell Murray
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Is it possible to import 3D solids into Parts Builder in AutoCAD Civil 3D

I am new to 3D modelling and Part Builder in Civil 3D, but I believe for very complex objects, such as valve chambers that contain various intricate details, it will be much easier to model in the 3D work space than the Part Builder. As such, can I…
Ahmed Osama
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Highlight gaps on joined surfaces - CATIA V5 (GSD)

Is there a possibility to highlight the gaps that occur when surfaces are joined? The gaps are displayed within the command. But after the surfaces are joined, the gap is no longer visible, but it does exist. In the first picture, the gap is…
r.elliot
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Examples of Materials with a Coefficient of Kinetic Friction Very Close to or Equal to Coefficient of Static Friction?

I'm looking for examples of frictional materials that have a coefficient of kinetic friction that is as close to equal to their coefficient of static friction as possible. What is an example of that kind of material (on Earth)? Is there a database…
Prithvi Boinpally
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Which software to get started with 3d Modeling

I'm a software engineer by trade, but I have an idea I'd like to turn into a prototype. for starters its going to be a rectangular project box with some buttons and displays, nothing too complex. I'd like to use this as an opportunity to learn 3d…
mr odus
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Modelling Soil in a Scale Model

I'm building a scale model for a proposed construction project. Is it possible to simulate foundations operating in soil in a scale model? What do people typically use?
xirt
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How to know the maximum offset distance in solidworks that doesn't result a defromed shape

using the offset tool on surfaces can result a shape different from the one offset from, as in broken lines or edges instead of curves like this: is there a way to know the maximum distance i can offset to without resulting such deformation other…
sarah
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After I knit the surface some blue sketch lines presist

Knit command on SW 2017 results blue sketch lines even with all surfaces selected I was following the steps in a tutorial and I am sure i got them all 100% correct up to that point. what could be the reason?
sarah
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Bending a concave sheet metal lip in AutoDesk Inventor

I am trying to bend this sheet metal concave lip inside the electrical box. I also need the top of the bent part below the top edge of the outside of the box.
JaredWolf
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