CATI Tech Notes

SOLIDWORKS Tips and Tricks and Info on Professional 3D Printing with Stratasys from the Technical staff of CATI

SOLIDWORKS: Blended Curvature Based Mesh in SOLIDWORKS Simulation

Blended Curvature Based Mesh in SOLIDWORKS Simulation   Meshing a part appropriately might be tenuous at times, but it is certainly a lot easier in SOLIDWORKS than just about any other software. We don’t want to set the expectation that meshing is a problem for SOLIDWORKS. Getting a good aspect ratio around the smaller geometry can drive you and your computer a bit crazy, especially if you don’t know the smallest size of your geometry. SOLIDWORKS introduced the blended curvature based mesh in SOLIDWORKS 2016. Let’s take a look at the user interface:     It looks very similar to the curvature based mesh, including the options of max/min element size,

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Posted in Design Validation, General Info, Simulation

SOLIDWORKS: Meshing Errors in SOLIDWORKS Plastics 2016

Meshing Errors in SOLIDWORKS Plastics 2016   When trying to mesh a runner system with the part in SOLIDWORKS 2016, you may end up getting errors that don’t give you a clue to what is wrong. For instance, take a look at this message: when sewing connector, it without any face error!! This message came up when I was creating a solid mesh. Not sure if the message is a direct translation from another language but it doesn’t give you any direction on what is causing it or even what to change.     I had to follow some logic in this situation. Seeing that the runner mesh was not

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Posted in Daily Dose.....of SolidWorks Support, Design Validation, General Info, Simulation

SOLIDWORKS: Difference Between Ambient Temperature & Bulk Temperature in Simulation

Difference Between Ambient Temperature & Bulk Temperature in SOLIDWORKS Simulation   When creating a transient Thermal study in SOLIDWORKS, you are asked to input two temp settings. One of which is in the Temperature feature, labeled as Initial Temperature. This setting sets the initial temp of the model.     The other setting exists in the Convection feature. You are asked to input in a Bulk Ambient Temperature. This setting is for the air around model.       Ketul Application Engineer Computer Aided Technology

Posted in Daily Dose.....of SolidWorks Support, Design Validation, General Info, Simulation

SOLIDWORKS 2017 What’s New: SOLIDWORKS Flow Simulation – #SW2017

SOLIDWORKS 2017 What’s New: SOLIDWORKS Flow Simulation   Anyone that does CFD analysis knows that it’s incredibly difficult to determine the most optimum design when multiple variables effect the outcome. This is the main reason SOLIDWORKS has advanced the optimization tool in Flow Simulation. You can now run an optimization study with varying flow and design parameters.     I hope this part of the What’s New series gives you a better understanding of the new features and functions of SOLIDWORKS 2017. Please check back to the CATI Blog as the CATI and MCAD Support Teams will continue to break down many of the new items in SOLIDWORKS 2017. All of these articles

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Posted in Daily Dose.....of SolidWorks Support, Simulation, SOLIDWORKS What's New

SOLIDWORKS 2017 What’s New: SOLIDWORKS Inspection – #SW2017

SOLIDWORKS Inspection   SOLIDWORKS 2017 has brought the functionality of the standalone SOLIDWORKS Inspection application to the Add-in! Users can now manually select which dimensions get a balloon and which don’t. Previously, in the Add-in application, every annotation would get ballooned and then the user would have to deselect each item individually from being ballooned. This was a time staking process, if you only wanted a few of the annotations of the hundreds you may have in the drawing.   The new user interface has the option of Automatic (same functionality as before) and Manual (select only the items you want).     Once you create the project all you

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Posted in Daily Dose.....of SolidWorks Support, SOLIDWORKS What's New

How to organize inspection documents by type automatically when exporting them from SOLIDWORKS Inspection?

There are several organizations that would like to have their FAI/In Process reports separated by either dimensions or method of measurement. I am sure there are several other ways companies would organize their inspection documents, so this process can be used in other ways. Lets dive into the different ways documents can be separated. For those of you who are excel guru’s, you can use an IF and Then formula. Perhaps you can even write a macro to hide certain rows so that only the characters you want are shown. The only down point to this is, the user must be good at programming or have in-depth knowledge of excel.

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Posted in Drawings, General Info, SOLIDWORKS Tips and Tricks

How to setup different gates in SOLIDWORKS Plastics

SOLIDWORKS Plastics In the realm of injection molded parts, different shape and size gates and runners have to be used for parts that are either cylindrical, prismatic, or family of parts.  If you’re testing only one part you have the option of creating a gate that fits the mold that you are wanting. There are several ways you can represent the gate.  For example, you can use a split face, an extrude, or even model the whole runner and gate system. Let’s look at an extrude to represent the gate.  Now the size and shape I’m using is not realistic but only used to illustrate the point. The split face

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Posted in Uncategorized

How to get limited Measurementxpert functionality in SOLIDWORKS Inspection Standard?

The goal of Measurementxpert is to be able to input dimensions either manually or from a measuring device into SOLIDWORKS Inspection.  Then have it give us a color coded signal to whether the dimension is in or out of tolerance.  If all you need is to have the results exported to your excel report then you can accomplish this with the Lists.  The other limitation is that you are only allowed to have up to 13 columns, or custom Lists. First thing you must do is go into the Options and change the name of “Custom Field” to whatever you want it to read.  For example “Results 1”. Then bring

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Posted in Daily Dose.....of SolidWorks Support, General Info, Redneck Workarounds, SOLIDWORKS Tips and Tricks

Why does my motion study in SOLIDWORKS Motion change displacement between calculations?

To those who use screw mates in a motion study you may have noticed that the travel to rotation ratio changes between calculations.  One would say that you didn’t make any feature changes, additions or removals, however you only changed the units from metric to English.  It is logical to think that motion should be identical to the last calculation.  I believe all features and dimensions do convert the units correctly, however the screw mate does not convert the numerical value but only changes the unit type.  The current work around for the screw mate is to manually change the value when changing the global unit type.     Ketul

Posted in Daily Dose.....of SolidWorks Support, Simulation

Tools for Understanding Dynamic Analysis in SOLIDWORKS

I believe everyone needs a refresher on engineering mechanics and material science.  Especially when they are trying to virtually analyze their products.  When doing a dynamic analysis there are many things software is doing to the data you input before it can be used.  The help menu tells you the exact equations but not how and why they are being used.  Here are some of the videos I watched to help me better understand what it takes to do a dynamic test:   Fourier transforms Autocorrelation Function Random vibration fatigue options Mooney-Revlin Rayleigh Damping   Ketul PatelComputer Aided Technology

Posted in Design Validation, General Info, Simulation

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