How to tell if my LLC's registered agent has resigned? Parallelization in ABAQUS/Explicit is implemented in two ways: domain level and loop level. The figure below shows the corresponding error indicator output (MISESERI) for the six models with the different mesh densities. If you have to use constraints (see figure 6), make sure to use the right one according to your problem. PythonAbaqus: C:\temp\myModel.lck. Also I've left those bits of code with the, When you're able to run Abaqus again, definitely post the actual error. However as this appears to be on the very first increment there is likely something wrong with the model such as inconsistent boundary conditions. The interference means excessive overclosure between surfaces. The memory command is mem=xgb (where x is a number that is a little bit less than the memory on the main node where the job is running). I have a umat file for Abaqus 2017 and visual studio 2015, and it worked well. , cogga: Do peer-reviewers ignore details in complicated mathematical computations and theorems? Here, we introduce some techniques and procedures for debugging ABAQUS errors. The results of this updated normalized output are shown in the picture below. How can I correct this script to take all nodes with label of 180 from all parts? The process of trial and error in the Newton-Raphson method and the solver's effort to reach convergence in the solution causes this error to occur during the solution. Does Python have a string 'contains' substring method? what should i do now. (Basically Dog-people), "ERROR: column "a" does not exist" when referencing column alias. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. This is particularly true when contact occurs . How to fix this loop error in python for abaqus? Other error indicator variables provide a record of the solution history up to the current analysis time. Making a test model. = =>C-^std_user.for(4): error #5082: Syntax error, found END-OF-STATEMENT when expecting one of: ( : % [ . Computations for most error indicator variables only occur just prior to writing the error indicator variable to the output database, so reducing the output frequency will tend to reduce the computation time; however this is not the case for the element energy density error indicator, because contributions to this error indicator are accumulated each increment regardless of whether this error indicator is output for a given increment. Write a for loop in Abaqus Macro (Python), Microsoft Azure joins Collectives on Stack Overflow. Ideally I'd love to save it into an Excel or a .txt file for easy further analysis (e.g in Matlab). Error indicator output is not supported in the following cases. However, adding local contact stiffness can cause instability problems in the global stiffness matrix and make the matrix nonsymmetric. It shows the percentage of the value of the error indicator over the value of the FEA calculated stress output. I found UMAT in Abaqus 2020 use JSTEP (array), rather than KSTEP (scalar) in its previous version. Find centralized, trusted content and collaborate around the technologies you use most. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. That's why you're only seeing one node set which contains a single node from the last part in your list. Fill in your details below or click an icon to log in: You are commenting using your account. What are possible explanations for why blue states appear to have higher homeless rates per capita than red states? If we want to introduce a synonym for the Bug, we could say Error. Here we will tell you what the Bug and Debugging in the ABAQUS mean. How to leave/exit/deactivate a Python virtualenv. ** For std_user.for from Abaqus, it uses "C". profile. I've been using Abaqus for a while but I'm new to macros and python script. Same as /FR and /4Yf /nofree indicates fixed format. Thank you. = =>C DIFFERENTIATE FOR ACCELERATION)---------^std_user.for(30): error #5082: Syntax error, found IDENTIFIER 'THE' when expecting one of: ( : % [ . eclipse,.google,,:(),1G, Failed to allocate memory: 8 We get these sometimes at work on our cluster. disk space on your system. Following the same simple approach for the six-element model, one can easily observe that the estimated error will be approximately half from the value of the three-element model, which leads to the conclusion that doubling the amount of elements along the length of the rod leads to half the error indicator value. How can citizens assist at an aircraft crash site? Segmentation fault means that your program tried to access an invalid memory address. thank you very much, it is very helpful for me.. this problem is solved.. How to Solve this error message on Abaqus 'time increment required is less than specified' and 'too many attempts made for this increment'? The adaptive finite element analysis generally consists of two stages: a posteriori error estimate and the mesh refinement. Now, lets debug the ABAQUS errors with some techniques. One way to control the quality of a finite element solution with an optimal use of computational resources is to refine the mesh adaptively. Therefore, you must check the elements to debug your model. in my case, it was a mistake of a non-uniform unit in abaqus. Trying to match up a new seat for my bicycle and having difficulty finding one that will work. I used ! dimension() Asking for help, clarification, or responding to other answers. Both of these are done on the Abaqus command line in your submission script. Learn. Analysis initiated from SIMULIA established productsAbaqus JOB std_userAbaqus 2020Abaqus License Manager checked out the following licenses:Abaqus/Standard checked out 5 tokens from Flexnet server<135 out of 140 licenses remain available>.Begin Compiling Abaqus/Standard User Subroutines10/6/2022 3:12:10 PMIntel(R) Fortran Intel(R) 64 Compiler Classic for applications running on Intel(R) 64, Version 2021.6.0 Build 20220226_000000Copyright (C) 1985-2022 Intel Corporation. Build applications that can scale for the future with optimized code designed for Intel Xeon and compatible processors. The Abaqus processor writes the error sets to the ODB, which can be accessed in the Visualization module. Here's the code from the file : First of all, your function VonMises contains only import statements, other parts of the code are not properly indented, so they are outside of the function. Introducing Abaqus/Standard Error indicators. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Overwrite? 1 + Div. If you run your script using 'File > Run script', then you should call the function at the end of your file. I am quite confused. This article is one of the most useful articles for Abaqus. It is relatively easy to define contact interactions. Convergence is a term to say our problems equations and matrices are solved properly to have our job completed even without any warnings. How To Distinguish Between Philosophy And Non-Philosophy? Old job files exist. Ideally, error indicator output variables should be supplemented by other techniques, such as a mesh refinement study, to gain confidence that discretization error is not significantly degrading the ability of the finite element analysis to make useful predictions. I don't have Abaqus right now to give you the exact answer but the code usually stops at the beginning of the loop and the error goes : "Error line ### in ?" How to determine a Python variable's type? Now I'd like to save all the "Y" data in an excel or text file and I have no clue on how to do that. Each error indicator variable has the same units has the corresponding base solution variable, which facilitates comparison of local estimates of the error magnitude with local estimates of the base solution. I'm going to try this out! umat By clicking Post Your Answer, you agree to our terms of service, privacy policy and cookie policy. As the element dimension in the axial direction of the rod become smaller, the integration points of the first and last elements approach the physical boundaries of the rod and the calculated stress value on those integration points comes closer to the analytical calculation of 0 [MPa] and 10 [MPa]. Indeed, at these points, the accuracy of the derivatives is one order higher than at any other point in the element, resulting in a substantial improvement in the corresponding stresses. = =>C WHERE OMEGA IS .1 PI AND T THE CURRENT TIME.--^std_user.for(9): error #5082: Syntax error, found IDENTIFIER 'THE' when expecting one of: ( : % [ . Also, you could use the data check through the GUI (see figure 5). A typical example is shaft press-fitting into bearings. Connect and share knowledge within a single location that is structured and easy to search. How do I concatenate two lists in Python? Why is water leaking from this hole under the sink? How to make chocolate safe for Keidran? If you continue to use this site we will assume that you are happy with it. You must check them to ensure that the models structural responses present proper behavior under the boundary conditions and loading. Meaning of "starred roof" in "Appointment With Love" by Sulamith Ish-kishor, Poisson regression with constraint on the coefficients of two variables be the same. You can follow this video to solve this issue. Feel free to contact if you need help from our support line (for customers only) or our engineering department. If you do not use enough boundary conditions, your model may move as a rigid body in any direction (rigid body motion). It seems Abaqus can't find ifort compiler. Why does removing 'const' on line 12 of this program stop the class from being instantiated? = =>C-^std_user.for(18): error #5082: Syntax error, found IDENTIFIER 'THE' when expecting one of: ( : % [ . I'm using a Linux cluster to run my simulations, and it's failing on Abaqus 2019. Errors include information about conditions that caused Abaqus to terminate the analysis prematurely. errorABAQUS/standard rank 0 encountered a SEGMENTATION FAULTdimension . Alternatively, you can use the Abaqus Scripting Interface to read the error indicator and the base solution from the output database and calculate normalized forms. Does Python have a ternary conditional operator? One of the solutions to the warning and error arisen in ABAQUS.Warnings: Displacement increment for contact is too big.Error: Too many attempts made for this. Begin Linking Abaqus/Standard User Subroutines For more complete information about compiler optimizations, see our Optimization Notice. Moreover, you can ensure that appropriate settings are applied according to the model specifications. You could say the syntax check is the subset of the data check. This output ranges between 9.6% for the three-element model down to 0.3% for the ninety six-element model. This value should be compared to the value of the base solution to estimate the size of the error introduced by the mesh discretization and whether a further refinement of the mesh is desired. The applied load acts fully immediately on the model instead of with time increment because it has no physical sense. How many grandchildren does Joe Biden have? The polynomial is then fitted in a least-square sense to the directly calculated stresses computed at superconvergent points, or sampling points, over a patch of elements. 2, After a syntax check, check the .log file, and if there are no flaws, you will see the lines as shown in figure 3. , Failed to allocate memory: 8 True, I just started looking into macros and python today so I'm a bit lost. Normalized forms of an error indicator are not available directly through the error indicator output variables; however, you can calculate normalized measures using the Visualization module of Abaqus/CAE (Abaqus/Viewer) to operate on field output data. ** / // C (DIFFERENTIATE FOR VEL AND ACC)------------------------^std_user.for(24): error #5082: Syntax error, found IDENTIFIER 'THE' when expecting one of: ( : % [ . A large model may take a long time to be analyzed, so making a test model speed up the debugging process is highly recommended. The test model is simplified and miniaturized from the original model created for speeding up the debugging process., Microsoft Azure joins Collectives on Stack Overflow. Engineering Stack Exchange is a question and answer site for professionals and students of engineering. % (/ + - [ ] /) . To resolve any ABAQUS errors and know more about the techniques, make sure to get our products and read incoming articles. Yes, I used /free for the Fortran command line. Measuring parallel performance Parallel performance is measured by comparing the total time required to run on a single processor (serial run) to the total time required to run on multiple processors (parallel run). The updated normalized error indicator output is more describing, in this specific case, regarding the amount of error on each model. the first element of the three-element model (0-33.3 [mm]) the error at the nodes of the element is ~1.67 [MPa] dropping linearly to 0 [MPa] at the integration point in the middle of the element (16.7 [mm]). The first thing you can try is to go into the step manager and change the minimum increment size and maximum number of increments. End Compiling Abaqus/Standard User SubroutinesBegin Linking Abaqus/Standard User SubroutinesCreating library standardU.lib and object standardU.expEnd Linking Abaqus/Standard User Subroutines9/28/2022 2:55:09 PMBegin Analysis Input File Processor9/28/2022 2:55:09 PMRun pre.exe9/28/2022 2:55:12 PMEnd Analysis Input File ProcessorBegin Abaqus/Standard Analysis9/28/2022 2:55:12 PMRun standard.exe*** ABAQUS/standard rank 0 encountered a SEGMENTATION FAULT, 9/28/2022 2:55:20 PMAbaqus Error: Abaqus/Standard Analysis exited with an error - Please see themessage file for possible error messages if the file exists.Begin SIM Wrap-up9/28/2022 2:55:21 PMRun SMASimUtility.exe9/28/2022 2:55:21 PMEnd SIM Wrap-upAbaqus/Analysis exited with errors. 1AVD Replacements for switch statement in Python? In an analysis, one reason for convergence issues is inadequate or improper boundary conditions. The dynamic analysis can use the Explicit solver or the Implicit. Can I (an EU citizen) live in the US if I marry a US citizen? EXC_BAD_ACCESS The errors seems to complain the format. Such a threshold should be set by the analyst in order to identify the ideal mesh density and the balance between computational cost and accepted discretization error. (LogOut/ Use the same command to run Abaqus that you used when the problem occurred. memory limit per test 256 megabytes But, are the results accurate and according to the actual model? ABAQUSPDFUMATVS code Thank you so much, it really is quite frustrating. You can see how this popup was set up in our step-by-step guide:, Convergency and ABAQUS convergence issues. How we determine type of filter with pole(s), zero(s)? (y/n): yAnalysis initiated from SIMULIA established productsAbaqus JOB 9element_testAbaqus 2020Abaqus License Manager checked out the following licenses:Abaqus/Standard checked out 5 tokens from Flexnet server abaquswapp01.<105 out of 140 licenses remain available>.Begin Compiling Abaqus/Standard User Subroutines9/28/2022 2:54:52 PMIntel(R) Fortran Intel(R) 64 Compiler Classic for applications running on Intel(R) 64, Version 2021.6.0 Build 20220226_000000Copyright (C) 1985-2022 Intel Corporation. This error occurs in the Abaqus Static General solver and its main cause is related to the problem solving method in this solver. error For general nonlinear problems, only if integration points are used as sampling points, can SPR method be applied to stress recovery. I need a 'standard array' for a D&D-like homebrew game, but anydice chokes - how to proceed? I don't know if my step-son hates me, is scared of me, or likes me? As a result, a significant amount of research has been devoted to retrieve the lost accuracy and continuity of the stress field, leading to methods known as stress recovery techniques. Improved stress fields obtained through these procedures not only provide a better stress representation for reduced computational cost but also are widely used in a posteriori error estimates. Whenever a static problem becomes unstable, the equation cannot solve the problem because of the numerical difficulties caused by instability in the model. In a displacement-based finite element (FE) analysis, the stress is usually computed from the displacement field in a postprocessing step. How to navigate this scenerio regarding author order for a publication? The static analysis uses an Implicit solver. Double-sided tape maybe? Job myModel: Analysis Input File Processor aborted due to errors. Second of all, the function is never called. There is also a possible problem because variable. The gravitational load is applied on positive Z axis. However, for debugging purposes, request more results through the Field Output and History Output in the Step module (see figures 1 and 2) to debug the analysis afterward. An interference fit (press fit, friction fit) is a method to fasten two parts by pushing them together with normal force, and they get stuck together by friction rather than any means of fastening. When was the term directory replaced by folder? I failed to pass it at this time. After a syntax and data check, you can correctly run the models input data into the ABAQUS. what's the difference between "the killing machine" and "the machine that's killing". The data check is the same as the syntax check with one difference; the data check runs the file to ensure that the model has all the required options. Use MathJax to format equations. I'm using a Linux cluster to run my simulations, and it's failing on Abaqus 2019. Test experimental and FEA (by ABAQUS) results are not the Press J to jump to the feed. = =>C-^std_user.for(7): error #5082: Syntax error, found IDENTIFIER 'THE' when expecting one of: ( : % [ . Browse other questions tagged, Where developers & technologists share private knowledge with coworkers, Reach developers & technologists worldwide. That's why you're only seeing one node set which contains a single node from the last part in your list. I read that it is usually a bug related to memory allocation, but didn't find any work around for this problem. Change), You are commenting using your Facebook account. If you got an actual error message from Abaqus (either in the window or in abaqus.rpy file), it would be helpful if you posted it here. Debugging means any actions that need to be done to solve a problem correctly, without any errors, and obtain accurate results. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. You may re-send via your Also, we will introduce some techniques to handle the ABAQUS errors or, as we would like to call them, bugs. In this recovery technique, the stress at mesh nodes is obtained by using a complete polynomial of the same order as that used for approximating the displacement field. Is every feature of the universe logically necessary? Are there developed countries where elected officials can easily terminate government workers? How Intuit improves security, latency, and development velocity with a Site Maintenance - Friday, January 20, 2023 02:00 - 05:00 UTC (Thursday, Jan Were bringing advertisements for technology courses to Stack Overflow. All rights reserved. std_user.for(2): error #5082: Syntax error, found END-OF-STATEMENT when expecting one of: ( : % [ . Not the answer you're looking for? This directly calculated stress is obtained from the derivative of the displacement field, leading inevitably to a lower-order less-accurate field as compared to that of the displacement. Sorry, you must verify to complete this action. This case was analyzed six times using different mesh densities; in every subsequent run, the amount of elements in axial direction was doubled. Some of them are preprocessing, and some are post-processing: In the first step of debugging process, you should check the units of your input data to see if they are consistent or not. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Identifying the ErrElemMissingSection elements, A Quick Starter Manual for HyperMesh(/HyperWorks), Extracting Deformed Geomtry from ODBfile, MONITOR the progress of solution usingDOF, Creating a Load-Displacement Plot: YouTubeVideo. character as the comment indicator in all my codes. Note, the compile time error messages would occur if 1st character of C were .NOT. To learn more, see our tips on writing great answers. I'll keep digging but if anyone has an idea I'll take it ! We use cookies to ensure that we give you the best experience on our website. Please click the verification link in your email. If you don't get the error from the testing program, that may help you narrow the problem to something in Abaqus. Abaqus student edition | Abaqus learning edition | How to download Abaqus? STRESS , BUG: Looking at the .msg file is usually enlightening. What does "you better" mean in this context of conversation? I thought tweaking the macro just a little bit would be failry easy. = =>C THE FUNCTION IS ACCELERATION FOR NODE 4---------^std_user.for(31): error #5082: Syntax error, found IDENTIFIER 'FOR' when expecting one of: :: ) ( , : * ; . For reference, the calculation of the stress by hand would be 10 [MPa] at the fixed end of the rod and 0 [MPa] on the free end of the rod. Error in job myModel: MODULUS OF ELASTICITY MAY NOT BE ZERO FOR ISOTROPIC ELASTICITY Perhaps loop through a range of input values, incrementing the values for each call. In the Pern series, what are the "zebeedees"? Keep in mind that in this article, we just introduced each technique. The ABAQUS finite element software uses this main equation to solve a problem: K is the stiffness matrix, x is the displacement matrix, and F is the Force matrix. For example, provides a percentage form of the Mises stress-based error indicator; however, this normalized error measure may not be particularly useful, because. After I fixed this error, I run my code, and got the following error. Make "quantile" classification with an expression. so I strongly recommend to check the uniformity of your unit and boundary condition, the insufficient boundary condition can lead this error to occur, Try to increase the iteration count in each step. = =>C THE FUNCTION IS VELOCITY FOR NODE 3 (INTEGRATE FOR DISP,---------^std_user.for(25): error #5276: Unbalanced parenthesesC DIFFERENTIATE FOR ACCELERATION)---------------------------------------^std_user.for(25): error #5082: Syntax error, found IDENTIFIER 'DIFFERENTIATE' when expecting one of: ( : % [ . How do I get a substring of a string in Python? = =>C-^std_user.for(6): error #5082: Syntax error, found END-OF-STATEMENT when expecting one of: ( : % [ . Create a free website or blog at Therefore, the maximum normalized error appears on the free end of the rod where the base solution value is the lowest, which can be confusing and misleading. Press question mark to learn the rest of the keyboard shortcuts. It happened late yesterday without any abnormal action by me (I had been running simulations all day prior with no issue). After that, check the boundary conditions and loading. 1 RPL,DDSDDT,DRPLDE,DRPLDT, ** List of resources for halachot concerning celiac disease. Why does Abaqus complain their own script? db.models['Model-1'].parts['P. This is due to the fact that based on the aforementioned used formula the error indicator output that was halved as the amount of elements was doubled, was divided with the lowest stress value that followed exactly the same trend regarding the mesh density. , : I don't know if my step-son hates me, is scared of me, or likes me? Having more information about your problem before or after submitting a job is always useful. Attaching Ethernet interface to an SoC which has no embedded Ethernet circuit, Toggle some bits and get an actual square, Card trick: guessing the suit if you see the remaining three cards (important is that you can't move or turn the cards). Please contact your local Abaqus support office and send them the input file, the file support.log which you just. You must choose the proper method according to the problem. The figure below shows the stress output [MPa] for every model with different mesh density, starting from a model with 3 elements, to 6, 12, 24, 48 and 96. For example, the Mises stress error indicator, MISESERI, provides an indicator of error in the Mises stress variable MISESAVG. C:/temp/myModel.odb Xcode Message In the Pern series, what are the "zebeedees"? The elements that were used are 8-node linear brick, reduced integration, hourglass control, C3D8R elements. Also, a model can be under or over-constrained, leading to convergence issues. Can a county without an HOA or Covenants stop people from storing campers or building sheds? Wall shelves, hooks, other wall-mounted things, without drilling? To aid you in understanding the extent and spatial distribution of the discretization error in a finite element solution, Abaqus/Standard provides a set of error indicator output variables. I'm sorry if this kind of question has already been asked, I did search on google to see if there was a similar problem but nothing works.. As it defines itself, Bug means anything annoyance that causes your problem not to be solved or without accurate results. All rights reserved. Although the software tries to solve the issue, its not always working. You should construct a list of node labels separately and then call SetFromNodeLabels once, passing it a list of all the node labels. Asking for help, clarification, or responding to other answers. This caused the segmentation fault. One of the good methods to prevent these issues is to select the master and slave surface correctly. , USDFLD, VSabaqus2017+VS2012+IVF2013abaqus2021+VS2019+IVF2020, , , INCLUDE 'ABA_PARAM.INC. One thing you might want to try is explicitly defining the memory allocation and setting a scratch location to somewhere that you know has lots of space. Trying to match up a new seat for my bicycle and having difficulty finding one that will work. The figure below shows the normalized MISESERI output which is calculated based on the formula Abaqus/Standard determines error indicator variables based on the difference between a smoothed and unsmoothed distribution of the base solution, using a smoothing technique such as the patch recovery technique of Zienkiewicz and Zhu, (1987). where [e] is a normalized error measure. Download - Automotive FEA Brochure | 4RealSim, Download - Ebook FEA Turbomachinery SIMULIA | 4RealSim, Simulation guidance for startup companies, Webinar Modelling Rubber (Hyperelastics) with Abaqus, Webtraining Modeling general contact with Abaqus, Webinar Computer Simulations (FEA, CFD) for Life Sciences and Medical devices, Webtraining Multiscale modeling with Abaqus, Webtraining Material calibration with Abaqus/CAE, Indicate discretization error in a solution quantity (the base solution) and have units of the base solution, Can be requested with element output or contact output options or as part of an adaptive remeshing rule, Can be normalized by forms of the base solution to obtain nondimensional, such as percentage, indicators of error, Can increase your analysis solution time significantly in some cases, Are available in Abaqus/Standard but not in Abaqus/Explicit, It will tend to draw attention to regions where base solution values are small, which typically are not critical regions of a design, It will have divide-by-zero issues where the base solution value is zero, The contact pressure solution is quite accurate near the center of the active contact region, where the contact pressure is largest, because the error indicator is a small fraction of the base solution in that region, The contact pressure solution is less accurate near the perimeter of the active contact region, where local variations in the contact pressure solution are largest (but the contact pressure is significantly less than the maximum value), because the error indicator is quite large compared to the base solution in that region, Significant potential for solution inaccuracy exists in this region., The mesh may be too coarse to give a good estimate of solution error in this region., Perhaps a stress singularity exists at this corner., Planar continuum triangles and quadrilaterals. There are several controls used to limit this accuracy. End Compiling Abaqus/Standard User Subroutines For example, if the base solution is expressed in units of stress, the corresponding error indicator is also expressed in units of stress. When you request element error indicator output, the request should only apply to elements supported for error indicator output. However as this appears to be on the very first increment there is likely something wrong with the model such as inconsistent boundary conditions. Microsoft Azure joins Collectives on Stack Overflow. In Create Display Group dialog box, select the Item Elements In Method, select Element sets The elements set would be shown on the right. Double-sided tape maybe? Never quite figured out why. StackOverflowlinux By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. There should be coherency in units as Abaqus doesn't use any Unit system. How do I concatenate two lists in Python? /tmp/yyyyyyy_yyy1_5766/yyy1_stdSolver_Upper.local_0 file. I'm trying to wrap my head around why there's a signal 11 error, while running a standard step with am initial predefined field. Abaqus error indicator variables provide a measure of the local error resulting from mesh discretization. On the other hand, the dynamic analysis has a physical sense regarding applied load versus time. Why did it take so long for Europeans to adopt the moldboard plow? You may re-send via your, Intel Connectivity Research Program (Private), oneAPI Registration, Download, Licensing and Installation, Intel Trusted Execution Technology (Intel TXT), Intel QuickAssist Technology (Intel QAT), Gaming on Intel Processors with Intel Graphics. ABAQUS/standard rank 0 encountered a SEGMENTATION FAULT The quality of an error indicator can be particularly poor if your mesh is coarse. Given that you are running in the ABAQUS environment, the first thing I'd recommend is to verify that all of your Fortran routine arguments are the correct type and in the correct order. With this technique, the idea is to fit a higher-order polynomial approximation of the stress field over each patch of elements. It checks the model consistency as well. Viewing contour plots of a base solution variable and corresponding error indicator variable side-by-side can provide a useful perspective on the solution accuracy. You can resolve the interference problems in surface-to-surface contact for the ABAQUS/Standard. I am currently working on my dissertation project using abaqus, my model is an arch bridge consisting of a shell and solid elements, there are concrete and steel materials also, I have checked all of the constraints, and I found that there are some constraints giving the error messages 'time increment required is less than specified' and 'too many attempts made for this increment', specifically, those constraints happened in shell-solid tie constraints. Any help would be appreciated! For more information about the system of units, click here. It is worth mentioning that the lowest stress value on each model is approximately halved for every subsequent mesh density, due to the position of the integration point over the length of the rod. Analysis initiated from SIMULIA established products Abaqus JOB 9element_test AC = =>C THE APPROPRIATE INTEGRALS AND DERIVATIVES ARE COMPUTED ACCORDINGLY.--^std_user.for(10): error #5082: Syntax error, found END-OF-STATEMENT when expecting one of: ( : % [ .