# \#uqlink

**URL:** https://uqworld.org/tag/uqlink/31.md

[Latest](https://uqworld.org/latest.md) · [Categories](https://uqworld.org/categories.md) · [Tags](https://uqworld.org/tags.md)

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## [Calculate Sobol' indices despite some model evaluations failing?](https://uqworld.org/t/calculate-sobol-indices-despite-some-model-evaluations-failing/3742)

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**Author:** [@nmb29](https://uqworld.org/u/nmb29)\
**Replies:** 3\
**Last updated:** [March 4, 2025, 11:33pm UTC](https://uqworld.org/t/calculate-sobol-indices-despite-some-model-evaluations-failing/3742 "2025-03-04T23:33:39Z")

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Dear Community, I have been using UQLab to run sensitivity studies on a large custom model written in Python. I have done so using both UQLink and a wrapper function (as described in the Model user manual). Now, for som…

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## [Error performing Sobol analysis with UQLink](https://uqworld.org/t/error-performing-sobol-analysis-with-uqlink/3692)

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**Author:** [@elisara1000](https://uqworld.org/u/elisara1000)\
**Replies:** 5\
**Last updated:** [June 19, 2024, 6:14am UTC](https://uqworld.org/t/error-performing-sobol-analysis-with-uqlink/3692 "2024-06-19T06:14:02Z")

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I am linking a third party software to UQLabs using UQLink. The third party software is called Hi-sAFe which is used to simulate interactions between trees and crops for agriculture. This thid-party software simulates th…

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## [MSC.Nastran && UQLab](https://uqworld.org/t/msc-nastran-uqlab/2010)

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**Author:** [@Mr121Tony](https://uqworld.org/u/Mr121Tony)\
**Replies:** 2\
**Last updated:** [May 13, 2024, 3:42pm UTC](https://uqworld.org/t/msc-nastran-uqlab/2010 "2024-05-13T15:42:20Z")

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Dear Pro. I used nastran’s bdf free format file as input and wanted to use matlab for batch calculation. The f06 file calculated was correct, but UQLab could not read the result in the f06 file. I don’t know what the pr…

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## [UQLink: ANSYS APDL](https://uqworld.org/t/uqlink-ansys-apdl/2023)

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**Author:** [@Mr121Tony](https://uqworld.org/u/Mr121Tony)\
**Replies:** 0\
**Last updated:** [November 9, 2023, 4:46pm UTC](https://uqworld.org/t/uqlink-ansys-apdl/2023 "2023-11-09T16:46:56Z")

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Dear Pro. I tried to integrate UQLink and ANSYS APDL. UQLab can calculate each input file and get the output file. But when reading the specified data, it always shows "Third party software returned an error for run #2: …

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## [Uqlink and Nastran](https://uqworld.org/t/uqlink-and-nastran/1694)

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**Author:** [@Irma](https://uqworld.org/u/Irma)\
**Replies:** 14\
**Last updated:** [October 10, 2023, 1:55pm UTC](https://uqworld.org/t/uqlink-and-nastran/1694 "2023-10-10T13:55:15Z")

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Hello all, I would like to use UqLink with NASTRAN software. But it requires a very specific format for the .bdf file (the file that UqLink must change for each running realisation). Is it possible to furnish this forma…

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## [UQLink returning NaN in output: could it be because the command to execute the third party software does not explicitly specify input and output files?](https://uqworld.org/t/uqlink-returning-nan-in-output-could-it-be-because-the-command-to-execute-the-third-party-software-does-not-explicitly-specify-input-and-output-files/1867)

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**Author:** [@elisara1000](https://uqworld.org/u/elisara1000)\
**Replies:** 10\
**Last updated:** [June 21, 2023, 8:27am UTC](https://uqworld.org/t/uqlink-returning-nan-in-output-could-it-be-because-the-command-to-execute-the-third-party-software-does-not-explicitly-specify-input-and-output-files/1867 "2023-06-21T08:27:38Z")

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I am linking a third party software to UQLabs using UQLink. The third party software is called Hi-sAFe which is used to simulate interactions between trees and crops for agriculture. The software uses multiple input file…

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## [UQlink with Opensees problem](https://uqworld.org/t/uqlink-with-opensees-problem/1038)

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**Author:** [@Ziead\_Metwally](https://uqworld.org/u/Ziead_Metwally)\
**Replies:** 8\
**Last updated:** [June 19, 2023, 7:10am UTC](https://uqworld.org/t/uqlink-with-opensees-problem/1038 "2023-06-19T07:10:52Z")

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Hello, I am trying to regenerate the opensees pushover analysis example (example 3, UQLink). However, the simulations are not performed and the following warning is shown. Could anybody help with that? Note that I did…

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## [UQLink : Abaqus outputs two result files, How can I read the results from both files separately?](https://uqworld.org/t/uqlink-abaqus-outputs-two-result-files-how-can-i-read-the-results-from-both-files-separately/1883)

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**Author:** [@Mr121Tony](https://uqworld.org/u/Mr121Tony)\
**Replies:** 6\
**Last updated:** [May 9, 2023, 9:19am UTC](https://uqworld.org/t/uqlink-abaqus-outputs-two-result-files-how-can-i-read-the-results-from-both-files-separately/1883 "2023-05-09T09:19:53Z")

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Dear Professor, How do I modify the readabaqusOutput.m file when my abaqus software outputs two result files and I need to read the results from both files separately? best wishes! Tony Smith

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## [Replacing Markers by real numbers in a UQLink template file](https://uqworld.org/t/replacing-markers-by-real-numbers-in-a-uqlink-template-file/1849)

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**Author:** [@zahra\_hourzadeh](https://uqworld.org/u/zahra_hourzadeh)\
**Replies:** 1\
**Last updated:** [April 12, 2023, 1:01pm UTC](https://uqworld.org/t/replacing-markers-by-real-numbers-in-a-uqlink-template-file/1849 "2023-04-12T13:01:10Z")

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Hello dear all; My question concerns sampling and replacing the markers in a template file with real numbers in UQlink module. Each time I use " uq\_getSample " function, there are new samples applied to markers but wha…

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## [Report a bug: UQLink cannot support Soft Constraints](https://uqworld.org/t/report-a-bug-uqlink-cannot-support-soft-constraints/1712)

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**Author:** [@ali](https://uqworld.org/u/ali)\
**Replies:** 2\
**Last updated:** [October 10, 2022, 4:09pm UTC](https://uqworld.org/t/report-a-bug-uqlink-cannot-support-soft-constraints/1712 "2022-10-10T16:09:54Z")

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Dear UQLab, Hope you find this question informative; I want to link OpenSees with RBDO module using UQLink. Without defining soft constraints, my RBDO problem works well. However, after defining a simple soft constrai…

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## [Is it possible to have a matlab script as a third party software in UQLink application?](https://uqworld.org/t/is-it-possible-to-have-a-matlab-script-as-a-third-party-software-in-uqlink-application/1669)

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**Author:** [@zahra\_hourzadeh](https://uqworld.org/u/zahra_hourzadeh)\
**Replies:** 2\
**Last updated:** [July 23, 2022, 5:41pm UTC](https://uqworld.org/t/is-it-possible-to-have-a-matlab-script-as-a-third-party-software-in-uqlink-application/1669 "2022-07-23T17:41:57Z")

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Hello I am trying to do a simulation using PCE metamodeling for which I need to use UQLink but my third-party software is a Matlab script. I want to know if it is possible to connect UQLab to my Matlab script without th…

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## [Uqlink and PCK](https://uqworld.org/t/uqlink-and-pck/1328)

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**Author:** [@DorotC](https://uqworld.org/u/DorotC)\
**Replies:** 15\
**Last updated:** [April 25, 2022, 3:27am UTC](https://uqworld.org/t/uqlink-and-pck/1328 "2022-04-25T03:27:06Z")

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Hello everyone, I am having a problem using UQlab that I am trying to solve, until now not successfully. I coupled UQlab with abaqus. I defined my inputs (matrix 200x5) and then rund 200 simulations with abaqus. I got t…

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## [Forced dependency between two random variables](https://uqworld.org/t/forced-dependency-between-two-random-variables/1100)

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**Author:** [@Neryvaldo\_Galvao](https://uqworld.org/u/Neryvaldo_Galvao)\
**Replies:** 2\
**Last updated:** [March 26, 2021, 2:13pm UTC](https://uqworld.org/t/forced-dependency-between-two-random-variables/1100 "2021-03-26T14:13:43Z")

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Dear UQLab Team Recently I came across the need to assure that one of two dependent random variables, that are being sampled when using the new Active Learning Reliability feature, is always greater than the other one. …

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## [Pass a UQLink model to a .m file model](https://uqworld.org/t/pass-a-uqlink-model-to-a-m-file-model/1012)

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**Author:** [@Gil](https://uqworld.org/u/Gil)\
**Replies:** 1\
**Last updated:** [January 23, 2021, 1:32pm UTC](https://uqworld.org/t/pass-a-uqlink-model-to-a-m-file-model/1012 "2021-01-23T13:32:56Z")

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Hello everyone, I defined a computational model through a .m file function. The function takes the random input X and gives the output Y. In the .m file, I define a UQLink model (which links UQLab to a FEM software) an…

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## [How to calculate the reliability of a structure in uqlink](https://uqworld.org/t/how-to-calculate-the-reliability-of-a-structure-in-uqlink/970)

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**Author:** [@IHM](https://uqworld.org/u/IHM)\
**Replies:** 6\
**Last updated:** [December 17, 2020, 1:49pm UTC](https://uqworld.org/t/how-to-calculate-the-reliability-of-a-structure-in-uqlink/970 "2020-12-17T13:49:27Z")

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Hello! I did the sensitivity analysis of a finite element model (Castem) on uqlink which works well. My model has 3 inputs (young’s modulus, load, tensile strength) and 2 outputs (deflection, tensile stress). I want to …

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## [UQLink Module - DIANA FEA](https://uqworld.org/t/uqlink-module-diana-fea/813)

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**Author:** [@Neryvaldo\_Galvao](https://uqworld.org/u/Neryvaldo_Galvao)\
**Replies:** 4\
**Last updated:** [September 9, 2020, 9:05am UTC](https://uqworld.org/t/uqlink-module-diana-fea/813 "2020-09-09T09:05:17Z")

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Dear UQlab Support Community Is with great enthusiasm that I am writing to you. Having now discovered some of the valuable features of UQlab, I am trying to create a wrapper between DIANA FEA and UQlab trough UQLink. U…

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## [UQLink: pass paremeters to parser](https://uqworld.org/t/uqlink-pass-paremeters-to-parser/799)

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**Author:** [@Colette\_Jost](https://uqworld.org/u/Colette_Jost)\
**Replies:** 3\
**Last updated:** [August 19, 2020, 1:20pm UTC](https://uqworld.org/t/uqlink-pass-paremeters-to-parser/799 "2020-08-19T13:20:59Z")

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Hi I do a couple of RBDO-Problems on the same construction pit, using an UQ link-model, linking ZSWalls with UQLab. I am working on MATLAB R2020a and UQLab 1.3.0. As the parsers for the different problems are quite si…

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## [Divergent samples with a third-party software](https://uqworld.org/t/divergent-samples-with-a-third-party-software/741)

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**Author:** [@M\_Groslambert](https://uqworld.org/u/M_Groslambert)\
**Replies:** 5\
**Last updated:** [August 3, 2020, 11:41am UTC](https://uqworld.org/t/divergent-samples-with-a-third-party-software/741 "2020-08-03T11:41:45Z")

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Hello, First of all I would like to thank the team for UQlab, it is a very efficient and very useful tool. I am working with UQlab for geotechnics, and I use UQLink with ZSoil, which is a finite element software. I mos…

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## [Archiving options in UQLink model](https://uqworld.org/t/archiving-options-in-uqlink-model/693)

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**Author:** [@bsanderse](https://uqworld.org/u/bsanderse)\
**Replies:** 2\
**Last updated:** [July 6, 2020, 11:31am UTC](https://uqworld.org/t/archiving-options-in-uqlink-model/693 "2020-07-06T11:31:38Z")

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Hi all, I’m happily using the UQLink functionality to interface with a non-Matlab computational model. There are two small things that I noted: If I set (according to the UQLink manual): ModelOpts.Archiving.Zip = fa…

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## [How to restart at a crashed iteration in UQLink model](https://uqworld.org/t/how-to-restart-at-a-crashed-iteration-in-uqlink-model/562)

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**Author:** [@Anarionz](https://uqworld.org/u/Anarionz)\
**Replies:** 3\
**Last updated:** [May 8, 2020, 4:03pm UTC](https://uqworld.org/t/how-to-restart-at-a-crashed-iteration-in-uqlink-model/562 "2020-05-08T16:03:58Z")

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Hello, I have a UQLink model where I am conducting a SOBOL sensitivity analysis with relatively large sample sizes that results in approximately 90000 iterations that takes about a week to complete. Sometimes during the…

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## [Link UQLab with SAP2000](https://uqworld.org/t/link-uqlab-with-sap2000/506)

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**Author:** [@Mathew](https://uqworld.org/u/Mathew)\
**Replies:** 4\
**Last updated:** [February 19, 2020, 1:24pm UTC](https://uqworld.org/t/link-uqlab-with-sap2000/506 "2020-02-19T13:24:26Z")

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Hi all, I am new with UQLab and getting to know it, but I was wondering if you can provide a same example as OpenSees linking UQLab to SAP2000. Thanks much in advacne, Regards,

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## [Sobol with UQLink](https://uqworld.org/t/sobol-with-uqlink/299)

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**Author:** [@Anarionz](https://uqworld.org/u/Anarionz)\
**Replies:** 20\
**Last updated:** [January 21, 2020, 11:38pm UTC](https://uqworld.org/t/sobol-with-uqlink/299 "2020-01-21T23:38:01Z")

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Hello, I have a UQLink-based model where I am running a Sobol Analysis, but it doesn’t stop at the designated sample size I give it. Instead, it keeps going without any sign of stopping. For example, when I give it 10,…

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## [Connect external software to UQlab - Aspen Plus can be connected?](https://uqworld.org/t/connect-external-software-to-uqlab-aspen-plus-can-be-connected/175)

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**Author:** [@Vishashalu](https://uqworld.org/u/Vishashalu)\
**Replies:** 4\
**Last updated:** [September 3, 2019, 10:10pm UTC](https://uqworld.org/t/connect-external-software-to-uqlab-aspen-plus-can-be-connected/175 "2019-09-03T22:10:48Z")

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Hi, I am currently doing a simulation on CO2 capture rate based model using Aspen Plus software. I would like to connect UQLab and do a forward propagation study on the model uncertainties and see the impact on the abso…
