Its very convenient being able to create the part and then run the analyses all within the same software. This list of measures differs based on the analysis type. Pro e mechanica creo simulate wildfire tutorial video. Mechanica gurus, i have been trying to run a cantilevered link and pin analysis with contact in mechanica. This book deals exclusively with creo simulate although many basic ideas and analysis models transfer very easily to creo simulate live and vice versa.
Page 2 of 5 ptc creo simulate data sheet convergence ptype finite element methodology single pass adaptive multipass adaptive user control on convergence criteria automatic sizing and special treatment of elements near singularities design studies parameters as independent variables of the design study. Introduction to fea overview this lesson will be used to get you set up for the rest of the tutorials. Visit the following websites to learn more about this book. Several plot windows can be used to show multiple results simultaneously. The linear solver, works on three key areas, looking at structural, thermal and modal. It provides you with the knowledge to effectively use creo simulate for finite element analysis, thereby reducing design time. I then go on to show all of the different settings involved in making a forcemoment load, such as the best convention for selecting references, changing the distribution and the spatial variation and changing the forcemoment vector distribution. In a modal analysis, structure calculates the natural frequencies and mode shapes of your model. The lesson is quite short, and will cover the following. Singularity on edge, trying to remove ptc community. The tutorial lessons cover the major concepts and frequently used commands required to progress from a novice to an intermediate user level. Structure also automatically calculates all predefined measures. This learning guide covers the fundamentals of creo simulate 4. It will also start checking convergence of user specified measures and convergence tolerance.
I suspect that it it the contacting elements that are not converging. It will go over some basic ideas about fea and what you can do with creo simulate. How to implement a mesh refinement study comsol blog. Convergence of pelements the creo approach 2 10 convergence. Thus, convergence in regions where singularities exist e. The labs are very long, but some of them have good stopping points, so you can split it up into two sessions. Sep 10, 2020 learn creo simulate with these popular books and textbooks. This textbook is written for firsttime fea users in general and creo simulate users in particular. As the equation order increases the displacement and stress field calculated will improve in accuracy. Sneak peek for creo simulation live is available in creo 5. Ptc creo simulate and ptc creo advanced simula tion extension have the same user interface, workflow and productivity tools that are standard throughout the ptc creo family. Pdf ebook creo simulate 70 tutorial download full pdf. This lesson will be used to get you set up for the rest of the tutorials. Convergence during a finite element analysis is the primary method by which the accuracy of the solution is obtained.
This locally adaptive plevel is something that is unique to creo simulate pelement technology. Creo parametric creo simulate convergence methods youtube. If gravity is a strong factor, one can include that in the analysis as well by defining. The story grid is a tool developed by editor shawn coyne to. To show solution convergence the user needs to run the model at various polynomial levels plevels for comparison. The results look reasonable to the eye but i cannot make any firm conclusions as the analysis never manages to converge. Convergence quantity for static, prestress static, large deformation, and contact analyses. The tutorial lessons cover the major concepts and frequently used commands required to progress from a. This is the same problem given in book cfd by anderson, i have written code. Improving convergence of multiphysics problems comsol blog. This chapter contains modal analysis problems and creo simulate s results. In this creo simulate tutorial, i will demonstrate how to create forcemoment loads. After this third pass the algorithm will again check locally for where the greatest change occurred and where the plevel may be increased again.
You can use a convergence graph to determine whether a measure quantity converged acceptably. Creo simulation is designed uniquely for the engineer, complete with structural, thermal and vibration analysis solution with a comprehensive set of finite elements analysis fea capabilities that allow you to analyze and validate the performance of your 3d virtual prototypes before you make the. The overhaul of the analysis and the design study experience includes an expanded panel. In a graph that shows good convergence of a measure, the. As the optimization proceeds, this is slowly reduced until a minimum value is obtained approximately 20% less than the original. The tutorial lessons cover the major concepts and frequently used commands required to progress. Our books are perfect for professionals or as a textbook for classroom use. Tutorial on how to do fea in proe university of arizona. This convergence process is easily automated and is built into the creo simulate. I am trying to simulate flow through cd nozzle with a shock inside. The graph is empty and creo does not actualize the graph scale whatever the measure you choose. Hello, i have been using pro mechanica for a couple of years now and have been dealing primarily with dynamic time and dynamic random analyses and would like to. When my simulation of an antenna running didnt converge, i had changed into cartesian pml, and it converged quickly.
A special case is the convergence plot window, an automatically generated plot window that displays a graphical indication of the convergence of the solution process while a model is running. The commands are presented in a clickbyclick manner using simple examples and exercises that. Another update for creo simulate live is that theres been a lot of work. After a brief introduction to finite element modeling, the tutorial introduces the major concepts behind the use of creo simulate to perform finite element analysis of parts.
Now you can see your simulation analysis results as a convergence plot and get more information for each step of the design study. Before that, i also corrected the size of exciting source surface, and the simulation almost converged. If you get it when running simulation, you will also have problem if later you want to display your result as a graph. The overhaul of the analysis and the design study experience includes an expanded panel to show the analysis run status and convergence plot. The process of selecting exlcuded elements near regions of singularity doesnt necessarily improve the accuracy, but only serves to prevent the solver from trying to adaptively adjust the shape function polynomial order. For ptc creo simulate users, the software can calculate the radial force or torque needed to satisfy the defined requirements of the part.
The combination of ptc creo simulate and ptc creo advanced simulation exten sion can be used as a standalone application or as an extension of ptc creo parametric. This book walks you through all the steps, except for creating the 3d parts, so hopefully you kept your creo parametric book. Dec 23, 20 i would like to share here my experience in convergence problem a bit. This book, introduction to comsol multiphysics, gives a detailed introduction. Modeling specialized loads with a cylindrical coordinate system. This creo simulate tutorial video explains the three different convergence methods for geometric element analysis gea and when why you should use each. The figure on the right shows the mass of the part. Discover the latest and greatest in ebooks and audiobooks.
1541 1358 1809 1421 408 1336 576 691 128 1092 1373 898 710 568 841 1869 202 105 586 910 1587 1728 738 545 39 1034 1830 1031 1696 1232