Mathcad

One of the things that has always been a feature of these forums is the willingness of experienced users to provide help and guidance to others.  In addition to help with how to use the Mathcad software the forums provide a place to gain advice and assistance with dealing with engineering challenges, problems that go beyond the simple application of the software to understanding the basic physics of a situation. One remaining impediment to this  feature is the inability of Prime to save a file in an earlier version of Prime; a file asking a question in Prime 10 can be read in Prime 11 or 12 but if this file is modified and saved by a later version and posted as a reply it cannot be opened unless you have a more current version of the software. This is a great marketing tool--”Here’s your answer.  To view it you must buy the latest version of the software!”   But it’s a lousy way to share information.  The forum is littered with requests to modify a file to enable a specific version to

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Full list of worksheetsFull topic listWant a free copy of PTC Mathcad Express? Download your copy today.Collections of worksheets available for purchase on the PTC e-store: Topics in Electrical Engineering - carries out common design calculations from several different branches of electrical engineering Electrical Power Systems Engineering - covers common design calculations from electrical power systems engineeringWorksheets marked with use PTC Mathcad premium features, otherwise they are Express compatible. All worksheets created in PTC Mathcad Prime 2.0.Worksheet nameDescriptionCalculating Fault Current Magnitude in MathcadThis worksheet shows you how to compute bus faults on power systems. Most faults in power systems occur at points on the line some distance away from the substation bus.Load Flow CalculationsThis worksheet using PTC Mathcad shows you how to describe the network for a five-bus power system, using a matrix containing the transmitting and receiving bus numbers, the

Hi, I am trying to solve an ODE to model a “Ball and Cone” tuned mass damper. The equations simulate a ball mounted inside a pair of cones with mass on top. The ball oscillates up and down an inclined slope with a curved region at the apex between the up/down slopes. I am using Radau solver as it is a stiff equation. Adams/BDF “does not converge”. The 1st solve block uses a simplified simulation for base excitation of the TMD. Using Radau with modest levels of damping the first solve block result gives a discontinuous response which should not happen given the inclined slope is a tangent to the curved section at the apex. Any ideas how I can correct this discontinuity would be appreciated.I tried using sigmoid transition functions (2nd solve block) for the step between inclined slope and radius but this gives a large number error.The 3rd solve block includes an extra degree of freedom to simulate the tower on which the damper is mounted, which is the aim of the program. This won’t solv

I recently purchased a student licence for Mathcad Prime 12. After download, unzipping and installation, when I try to open the app, it automaticly crashes. After analyzing it with Eventviewer it seems that the app cannot locate resource 'worksheetresources.xaml'.What can I do about it?

I am trying to copy a 1xn matrix developed in mathcad prime 11 and paste it into an excel like table in ansys mechanical to build material curves for stress analysis.  I cannot for the life of me figure out how to do what seems like a simple task.  Is this an easy thing to do?

I am trying to copy a 1xn matrix developed in mathcad prime 11 and paste it into an excel like table in ansys mechanical to build material curves for stress analysis.  I cannot for the life of me figure out how to do what seems like a simple task.  Is this an easy thing to do?

Hello, i have problem with installation of mathcad. I couldn't go next from ,,Aplication Selection'' window so i haven't installed mathcad yet.Thanks for help.

I am using Mathcad Prime Release 11.0 and Datecode11.0.1.0The attached file crashes every time I change 'k'.Here are the errors that I facedNo warning. It just shuts itself down.

Hello,I have tried to upload the mathcad file, but it does not allow me. The following was working in mathcad 15, but it does not evaluate in prime Thanks,Sam

Hi,I have a file that can’t be opened by Mathcad Prime.I just get the message “File type not supported”.Anyone got any tricks to find ways to repair the file?I attached the file here in .zip format since mcdx format is not supported.

Hello!A new year and a new crash unfortunately.I was working with this document and saved it. The next day when opening it i just get "The file type is not supported".Can it be recovered? Would help alot 🙂I attached the failing document and a log fileKind regards, TomPrime;7.0;FileNotSupported;Crash;MathcadPrime

Hi,I am using root function to solve a function for different variables (variables are vectors) but some of these values don’t converge as there is no solution. How can I skip these values that don’t converge and make a table for those values and solve the rest? I have attached the MathCAD zip file.  Thank you!!!

Hi there, I'm receiving the error "file type not supported" when trying to open an old mathcad file. I've attached the file, could you please assist. 

I am currently running the trial version of Mathcad Prime 11.0.1.0 (I think only a few days left) to evaluate its capabilities for solving multiple equations with multiple unknowns. I want to verify that it will produce the results that I need before purchasing the software.  I have run into a problem getting Mathcad to solve the system equations symbolically. I have looked around the internet for community information on this aspect of Mathcad but have not found anything that addresses my specific topic. The problem to which is seek a solution arises when modeling the impact between two bodies. Using the impulse-momentum formulation of Newton's 2nd law gives me 6 equations and six unknowns with a point mass (no rotational inertia) impacting a point mass. I put this system into Mathcad and used the solve feature and it produced the desired result. My file is attached. You will see that I took the solution equations Mathcad produced and ported them over to calculate the numeri

Mathcad Prime 10 A few years ago, I found this great Mathcad wrapper (GitHub - usnistgov/REFPROP-wrappers: Wrappers around NIST REFPROP for languages such as Python, MATLAB, etc.) for NIST REFPROP 10 where I can call properties using a script.  This has been a game changer for me.  The issue is that not all fluids that I need are available to me, (DMAc or MMA for example) in REFPROP.Does anyone know of a DIPPR/Diadem Mathcad wrapper out there that works well? Thanks

Hi, I have been trying to get this non-linear gear dynamics system of ODE's to solve but for the life of me cannot seem to correct the errors.The attached sheet has several attempts at the end to write the equations and initial conditions in different formats but all give "too few initial conditions" or a"floating point error". Like most programming errors its probably glaringly simple!Any assistance would be appreciated.Regards,Ross 

New to PTC community but long time user of mathcad. I need to get the Roarks formula's for stress and strain ebook but as best I can tell from the forums it is no longer provided with mathcad AND it's not available on the forums for download (or on the web as best I can tell).  Is this correct? TIA

 I want an algorithm that generates the function [a,b,c}=unique(Y) although there are forums what I need is for it to be only with structural control sequences if else for while etc but not advanced functions of either Matlab or from mathcad since when you want to replicate the function elsewhere it is complicated, it would be appreciated if you have a way to do it  What would the mathcad programming of this algorithm be like as it is in the image so it is easier to carry out the function? 

Hi there!I 'm trying to master the slider advanced control option to see how my goal function will be changed. On the PTC  support page, I have found only the 2-axis plot sample:https://support.ptc.com/help/mathcad/r10.0/en/index.html#page/PTC_Mathcad_Help/example_slider.html#wwID0EIKIPB  It looks like the upgraded version of Prime 10.0.0 probably has some bugs, or it is impossible to obtain such an option.I've attached the function sample  (Prime 10.0.0), which I'd like to observe using the advanced control button (slider).Any advice or assistance will be appreciated. 

We have a large number of installed users that use Mathcad 15 on a regular basis.  Just recently, a few have been noticing that selecting File|Save from the main menu is NOT saving the updates to their files.  You can imagine our concern.  It's intermittent and I cannot reproduce it myself on my desktop, but I'm hearing it from enough of our users that I think it's real.  It could very well be something to do with our environment and not be a Mathcad issue at all, but it is concerning.  We're running Mathcad 15 M045 and one of the keys is that the attempted save it to a network drive, not a physical drive on the desktop machine. Has anyone by any chance run across anything similar?Thanks!

I'm wondering if anyone else is having this problem.  Just noticed that Mathcad 15.0 M050, released specifically for Windows 10, has an odd printing issue.  To PCL printers and PDF files, it appears that the font characters are all using a negative fixed character spacing on the order of -0.01 to -0.06.  This "bunches" up the characters and pushes them all toward the left.  I thought my eyes were going buggy because it is subtle, but when I print and examine a PDF, this negative character spacing is easy to analyze.  Negative kerning is used for type-setting, but not uniformly on every character.  It doesn't seem to matter which printer or which font or font size I use.  I do not see this behavior with M045 on Windows 7.  I don't know yet if it's a Mathcad issue or a Windows 10 issue (although all other apps print just fine).  .NET maybe?   I have a ticket open with PTC, but wondered if anyone else is seeing this, or has a clue as to wh