# Robot Structural Analysis

**URL:** https://forum.dynamobim.com/c/robot-structural-analysis/20.md

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## [About the Robot Structural Analysis category](https://forum.dynamobim.com/t/about-the-robot-structural-analysis-category/41265)

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**Author:** [@solamour](https://forum.dynamobim.com/u/solamour)\
**Replies:** 2\
**Last updated:** [February 13, 2020, 8:08am UTC](https://forum.dynamobim.com/t/about-the-robot-structural-analysis-category/41265 "2020-02-13T08:08:25Z")

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Topics Related to Dynamo interaction with Robot Structural Analysis. Dynamo for Robot Structural Analysis enables the analysis of more design options, and more complex structures. Based on the Dynamo geometry, structura…

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## [Help simplify model](https://forum.dynamobim.com/t/help-simplify-model/113966)

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**Author:** [@agm888PL](https://forum.dynamobim.com/u/agm888PL)\
**Replies:** 9\
**Last updated:** [February 17, 2026, 8:10am UTC](https://forum.dynamobim.com/t/help-simplify-model/113966 "2026-02-17T08:10:41Z")

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Hello I build the following dynamo script to help me create the a truss structure that I use many times. My problem is that I sort of hard coded it and wondered if anybody had some good ideas how to create the bodies w…

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## [How to extract deflection values for each bar in Robot using Dynamo?](https://forum.dynamobim.com/t/how-to-extract-deflection-values-for-each-bar-in-robot-using-dynamo/113925)

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**Author:** [@leocataldo](https://forum.dynamobim.com/u/leocataldo)\
**Replies:** 0\
**Last updated:** [February 10, 2026, 11:35am UTC](https://forum.dynamobim.com/t/how-to-extract-deflection-values-for-each-bar-in-robot-using-dynamo/113925 "2026-02-10T11:35:33Z")

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Hello, I have a structural model created in Autodesk Robot Structural Analysis and I’m using Dynamo to automate some checks. My question is simple: How can I extract the deflection (vertical displacement) for each bar…

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## [Pyramid structure in Dynamo for RSA](https://forum.dynamobim.com/t/pyramid-structure-in-dynamo-for-rsa/113596)

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**Author:** [@agm888PL](https://forum.dynamobim.com/u/agm888PL)\
**Replies:** 6\
**Last updated:** [January 9, 2026, 8:00am UTC](https://forum.dynamobim.com/t/pyramid-structure-in-dynamo-for-rsa/113596 "2026-01-09T08:00:15Z")

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Im trying to create a Dynamo script that can draw the pyramid shapes shown in the picture, but I have a hard time connecting the base nodes with the top nodes. (disregard to truss element, that is a project for anothe…

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## [Surface loads 3p](https://forum.dynamobim.com/t/surface-loads-3p/90482)

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**Author:** [@alvaro137](https://forum.dynamobim.com/u/alvaro137)\
**Replies:** 9\
**Last updated:** [September 4, 2025, 6:37am UTC](https://forum.dynamobim.com/t/surface-loads-3p/90482 "2025-09-04T06:37:40Z")

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Hello, Is it possible to assign a non uniform surface load (3p for instance) to an area, other than spliting the area in several parts and asigning a uniform load to each (as shown the Reservoir with rings and loads sam…

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## [Get generated nodes in Analytical Panel from Dynamo](https://forum.dynamobim.com/t/get-generated-nodes-in-analytical-panel-from-dynamo/109155)

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**Author:** [@Xiaofei\_Ying](https://forum.dynamobim.com/u/Xiaofei_Ying)\
**Replies:** 0\
**Last updated:** [March 31, 2025, 5:01am UTC](https://forum.dynamobim.com/t/get-generated-nodes-in-analytical-panel-from-dynamo/109155 "2025-03-31T05:01:04Z")

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The component ‘AnalyticalPanel.AnalyticalNodes“ only give the nodes ID and their coordinates on the boundary. We also need the generated nodes inside the panel after Robot mesh it.

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## [Require "Rigid Links" componengt in Dynamo](https://forum.dynamobim.com/t/require-rigid-links-componengt-in-dynamo/109156)

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**Author:** [@Xiaofei\_Ying](https://forum.dynamobim.com/u/Xiaofei_Ying)\
**Replies:** 0\
**Last updated:** [March 31, 2025, 5:06am UTC](https://forum.dynamobim.com/t/require-rigid-links-componengt-in-dynamo/109156 "2025-03-31T05:06:39Z")

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The rigid links are often used in structural modeling. Please adding “rigid link” componnet in Dynamo.

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## [Missing API.dll File in Robot Structural Analysis 2024 and Dynamo](https://forum.dynamobim.com/t/missing-api-dll-file-in-robot-structural-analysis-2024-and-dynamo/108469)

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**Author:** [@acadgh54](https://forum.dynamobim.com/u/acadgh54)\
**Replies:** 1\
**Last updated:** [March 3, 2025, 10:08am UTC](https://forum.dynamobim.com/t/missing-api-dll-file-in-robot-structural-analysis-2024-and-dynamo/108469 "2025-03-03T10:08:43Z")

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Hello everyone, I am using Robot Structural Analysis 2024 with the Dynamo add-in, which is properly installed and appears in both Robot and Dynamo. However, I am missing the API.dll file, which prevents me from using ce…

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## [Calculation of Steel Design with API](https://forum.dynamobim.com/t/calculation-of-steel-design-with-api/106996)

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**Author:** [@230826](https://forum.dynamobim.com/u/230826)\
**Replies:** 2\
**Last updated:** [January 8, 2025, 11:48am UTC](https://forum.dynamobim.com/t/calculation-of-steel-design-with-api/106996 "2025-01-08T11:48:00Z")

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Hello everyone, I am trying to get the UZ and UY displacements from my calculation of steel design. With help @c.poupin i created the code that works and give ratio and case: import clr clr.AddReference('ProtoGeometry'…

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## [Calculation of steel desing in RSA2025 with Dynamo](https://forum.dynamobim.com/t/calculation-of-steel-desing-in-rsa2025-with-dynamo/106735)

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**Author:** [@230826](https://forum.dynamobim.com/u/230826)\
**Replies:** 7\
**Last updated:** [January 2, 2025, 11:39am UTC](https://forum.dynamobim.com/t/calculation-of-steel-desing-in-rsa2025-with-dynamo/106735 "2025-01-02T11:39:50Z")

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Hello! I am trying to write a code to calculate steel. I found examples on the forums that worked, but after using them in my file, I get an error: import clr clr.AddReference('ProtoGeometry') from Autodesk.DesignSc…

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## [Calculation of steel design in RSA2025 with Dynamo](https://forum.dynamobim.com/t/calculation-of-steel-design-in-rsa2025-with-dynamo/106893)

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**Author:** [@230826](https://forum.dynamobim.com/u/230826)\
**Replies:** 3\
**Last updated:** [January 2, 2025, 10:20am UTC](https://forum.dynamobim.com/t/calculation-of-steel-design-in-rsa2025-with-dynamo/106893 "2025-01-02T10:20:56Z")

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Hello! I’m trying to set the I\_DCPVT\_GROUPS\_DESIGN command to work correctly, but I don’t know where the error is in the code, what I’m doing wrong, and how I should proceed further to get results from I\_DCPVT\_GROUPS\_DE…

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## [(API) change the Name of the Analytical Bar](https://forum.dynamobim.com/t/api-change-the-name-of-the-analytical-bar/104328)

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**Author:** [@dineshsubramani](https://forum.dynamobim.com/u/dineshsubramani)\
**Replies:** 0\
**Last updated:** [September 13, 2024, 9:09am UTC](https://forum.dynamobim.com/t/api-change-the-name-of-the-analytical-bar/104328 "2024-09-13T09:09:00Z")

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I am trying to change the Name of the members, Can any one help to solve this problem Is there any API code or Node to solve it? Thanks in Advance

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## [Robot Structural Analysis 2025-Close Excel Dynamo](https://forum.dynamobim.com/t/robot-structural-analysis-2025-close-excel-dynamo/103288)

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**Author:** [@1234eddie](https://forum.dynamobim.com/u/1234eddie)\
**Replies:** 10\
**Last updated:** [August 7, 2024, 11:43am UTC](https://forum.dynamobim.com/t/robot-structural-analysis-2025-close-excel-dynamo/103288 "2024-08-07T11:43:02Z")

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Hello everyone, In Robot structural analysis 2022 with Dynamo we are using a python script that closes the excel file that’s beiing used before the new one gets opened. At the moment we are trying to upgrade to RSA 202…

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## [Unable To Use Geometry Package: Dynamo Extension For RSA](https://forum.dynamobim.com/t/unable-to-use-geometry-package-dynamo-extension-for-rsa/103312)

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**Author:** [@stone.hunter](https://forum.dynamobim.com/u/stone.hunter)\
**Replies:** 6\
**Last updated:** [August 7, 2024, 2:22am UTC](https://forum.dynamobim.com/t/unable-to-use-geometry-package-dynamo-extension-for-rsa/103312 "2024-08-07T02:22:25Z")

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Hello, I’ve encountered a very frustrating issue that has cost me a decent amount of time and i’m not sure what else to try. I found a similar issue : (Can't use geometry package, have both Revit and Autocad install…

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## [Apply loads to cases RSA 2024](https://forum.dynamobim.com/t/apply-loads-to-cases-rsa-2024/92681)

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**Author:** [@1234eddie](https://forum.dynamobim.com/u/1234eddie)\
**Replies:** 25\
**Last updated:** [August 6, 2024, 7:12am UTC](https://forum.dynamobim.com/t/apply-loads-to-cases-rsa-2024/92681 "2024-08-06T07:12:35Z")

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Hi all, since a few months RSA 2024 is out. in our company we do have quite a few scripts that we rewrote from ironpython2 tot Cpython3 due to the switch from ‘dynamo studio’ to integrated dynamo. Now we run in RSA 202…

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## [Automating RSA Calculations](https://forum.dynamobim.com/t/automating-rsa-calculations/99091)

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**Author:** [@evyaw12](https://forum.dynamobim.com/u/evyaw12)\
**Replies:** 0\
**Last updated:** [March 14, 2024, 7:06pm UTC](https://forum.dynamobim.com/t/automating-rsa-calculations/99091 "2024-03-14T19:06:12Z")

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Hello! I am attemting to automate seismic analysis through Dynamo. The seismic loadings are created in Robot Structural Analysis, so I am attemping to import the loads from the Robot file into my Dynamo graph. However, …

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## [Automating seismic analysis](https://forum.dynamobim.com/t/automating-seismic-analysis/98936)

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**Author:** [@evyaw12](https://forum.dynamobim.com/u/evyaw12)\
**Replies:** 0\
**Last updated:** [March 9, 2024, 11:57pm UTC](https://forum.dynamobim.com/t/automating-seismic-analysis/98936 "2024-03-09T23:57:28Z")

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Hello I am currently working on a project that combines iterative design and seismic analysis to optamise a simple steel structure in an area prone to earthquakes. To do this I am developing a Dynamo graph, connecting t…

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## [Error about using RSA API on Dynamo](https://forum.dynamobim.com/t/error-about-using-rsa-api-on-dynamo/96664)

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**Author:** [@ugur\_yavan\_61](https://forum.dynamobim.com/u/ugur_yavan_61)\
**Replies:** 7\
**Last updated:** [January 5, 2024, 9:23am UTC](https://forum.dynamobim.com/t/error-about-using-rsa-api-on-dynamo/96664 "2024-01-05T09:23:42Z")

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Hello everyone, I am trying to create simple truss on RSA by using API. I managed to do basically everything except Defining the list of objects to which load will be applied. In this step I am getting error even though …

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## [Custom Nodes for Robot structural analysis](https://forum.dynamobim.com/t/custom-nodes-for-robot-structural-analysis/94983)

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**Author:** [@Jaafar\_Al\_Nasire](https://forum.dynamobim.com/u/Jaafar_Al_Nasire)\
**Replies:** 8\
**Last updated:** [October 30, 2023, 12:06pm UTC](https://forum.dynamobim.com/t/custom-nodes-for-robot-structural-analysis/94983 "2023-10-30T12:06:06Z")

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Dear all, I am currently working on a case study project that requires the utilization of specific functions along with the Robot Structural Analysis (RSA) package. These functions include: Linear 3D Load: This functi…

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## [Divide a bar into a node using numbers without cutting it](https://forum.dynamobim.com/t/divide-a-bar-into-a-node-using-numbers-without-cutting-it/93822)

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**Author:** [@ziedsamoud1990](https://forum.dynamobim.com/u/ziedsamoud1990)\
**Replies:** 12\
**Last updated:** [September 20, 2023, 6:19pm UTC](https://forum.dynamobim.com/t/divide-a-bar-into-a-node-using-numbers-without-cutting-it/93822 "2023-09-20T18:19:14Z")

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Translated by moderator. Original post below the line. Hello everyone. I installed an extension for Dynamo, but it works for Dynamo Revit and does not work for Dynamo Robot Structure. Is there a solution to install t…

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## [Robot - edit existing construction](https://forum.dynamobim.com/t/robot-edit-existing-construction/70536)

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**Author:** [@Cinkov](https://forum.dynamobim.com/u/Cinkov)\
**Replies:** 2\
**Last updated:** [July 9, 2023, 3:06pm UTC](https://forum.dynamobim.com/t/robot-edit-existing-construction/70536 "2023-07-09T15:06:04Z")

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Hi! I am looking for a way to edit the existing structure in Dynamo. Do you know some methods to import geometry, all panels, all nodes, etc. to the dynamo environment? Something similar to nodes in Revit version of dyn…

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## [RSA packages for Dynamo](https://forum.dynamobim.com/t/rsa-packages-for-dynamo/90549)

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**Author:** [@alvaro137](https://forum.dynamobim.com/u/alvaro137)\
**Replies:** 2\
**Last updated:** [June 27, 2023, 7:02am UTC](https://forum.dynamobim.com/t/rsa-packages-for-dynamo/90549 "2023-06-27T07:02:10Z")

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Hi there, Along with the Structural Analysis package that comes with the add-in version of Dynamo in RSA, are there any other packages that are useful for the connection of Robot and Dynamo? Thank you

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## [Geometry error in RSA](https://forum.dynamobim.com/t/geometry-error-in-rsa/90313)

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**Author:** [@madziamat](https://forum.dynamobim.com/u/madziamat)\
**Replies:** 2\
**Last updated:** [June 5, 2023, 9:38am UTC](https://forum.dynamobim.com/t/geometry-error-in-rsa/90313 "2023-06-05T09:38:07Z")

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Hello, I want to optimize my steel hall in dynamo. The variables are profiles and elements spacing. Unfortunetely after third iteration geometry crashes and “analysis calculate” shows error. TEST-16.05.dyn (2.7 MB) …

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## [BarForces.GetMaxValuesList operation failed. objet reference not set to an instance of an object dynamo](https://forum.dynamobim.com/t/barforces-getmaxvalueslist-operation-failed-objet-reference-not-set-to-an-instance-of-an-object-dynamo/89812)

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**Author:** [@anas.bentounsi75](https://forum.dynamobim.com/u/anas.bentounsi75)\
**Replies:** 0\
**Last updated:** [May 19, 2023, 1:00pm UTC](https://forum.dynamobim.com/t/barforces-getmaxvalueslist-operation-failed-objet-reference-not-set-to-an-instance-of-an-object-dynamo/89812 "2023-05-19T13:00:49Z")

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Dear Dynamo Community, I am facing an issue in Dynamo and I am hoping to get some guidance on how to resolve it. Specifically, I am getting an error message that says “BarForces.GetMaxValuesList operation failed. Object…

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## [Old Robot version](https://forum.dynamobim.com/t/old-robot-version/89769)

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**Author:** [@jerys](https://forum.dynamobim.com/u/jerys)\
**Replies:** 3\
**Last updated:** [May 19, 2023, 8:58am UTC](https://forum.dynamobim.com/t/old-robot-version/89769 "2023-05-19T08:58:28Z")

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Is it possible to use Dynamo (dynamosandbox) with an older version of Autodesk Robot Structural Analysis? Specifically, the 2017 version. I just came across this project, I would like to know if I will be able to combin…

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## [I want to know how to add Dynamo to Robot structural analysis because when i open RSA then addins Dynamo isnot there](https://forum.dynamobim.com/t/i-want-to-know-how-to-add-dynamo-to-robot-structural-analysis-because-when-i-open-rsa-then-addins-dynamo-isnot-there/88888)

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**Author:** [@ahmed.30934374](https://forum.dynamobim.com/u/ahmed.30934374)\
**Replies:** 1\
**Last updated:** [April 24, 2023, 5:57pm UTC](https://forum.dynamobim.com/t/i-want-to-know-how-to-add-dynamo-to-robot-structural-analysis-because-when-i-open-rsa-then-addins-dynamo-isnot-there/88888 "2023-04-24T17:57:42Z")

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Robot

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## [\[Feature Request\] Support Curved Surface and Solid in Dynamo for Robot](https://forum.dynamobim.com/t/feature-request-support-curved-surface-and-solid-in-dynamo-for-robot/88580)

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**Author:** [@Xiaofei\_Ying](https://forum.dynamobim.com/u/Xiaofei_Ying)\
**Replies:** 0\
**Last updated:** [April 15, 2023, 2:40pm UTC](https://forum.dynamobim.com/t/feature-request-support-curved-surface-and-solid-in-dynamo-for-robot/88580 "2023-04-15T14:40:36Z")

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Is it possible to add Curved Surface and Solid geometries in Dynamo for Robot?

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## [Aplly uniform planar load on contour](https://forum.dynamobim.com/t/aplly-uniform-planar-load-on-contour/88380)

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**Author:** [@BadrDerouiche](https://forum.dynamobim.com/u/BadrDerouiche)\
**Replies:** 0\
**Last updated:** [April 10, 2023, 1:23pm UTC](https://forum.dynamobim.com/t/aplly-uniform-planar-load-on-contour/88380 "2023-04-10T13:23:00Z")

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Hi all, I would like to apply uniform planar load on contour using dynamo. I create my analytic panel then, using Structural analysis Package, I can add a load on entire panel but I need just to apply load to specific …

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## [Python script returns "HResult E\_FAIL for calling a COM-object" error](https://forum.dynamobim.com/t/python-script-returns-hresult-e-fail-for-calling-a-com-object-error/87664)

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**Author:** [@mattie](https://forum.dynamobim.com/u/mattie)\
**Replies:** 0\
**Last updated:** [March 22, 2023, 10:09am UTC](https://forum.dynamobim.com/t/python-script-returns-hresult-e-fail-for-calling-a-com-object-error/87664 "2023-03-22T10:09:41Z")

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Hello Everyone, When running my python script in dynamo for rsa, the following error occurs: “IronPythonEvaluator.EvaluateIronPyth onScript operation failed. Traceback (most recent call last): File “”, line 34, in …

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## [Analyticalpanel.bycurves divisions parameter - match Dynamo Curve](https://forum.dynamobim.com/t/analyticalpanel-bycurves-divisions-parameter-match-dynamo-curve/87335)

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**Author:** [@kbzawork](https://forum.dynamobim.com/u/kbzawork)\
**Replies:** 0\
**Last updated:** [March 14, 2023, 11:41am UTC](https://forum.dynamobim.com/t/analyticalpanel-bycurves-divisions-parameter-match-dynamo-curve/87335 "2023-03-14T11:41:39Z")

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Hi … attached is the EXCEL input and the DYN file. ISO Job, metre units. Is it possible to match the shape exactly as the analytical panel? Not sure what to do with the divisions input. Geometry in Dynamo: Result …

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