# Grasshopper

**URL:** https://femdesign.discourse.group/c/help/grasshopper/5.md?page=1

[Latest](https://femdesign.discourse.group/latest.md) · [Categories](https://femdesign.discourse.group/categories.md) · [Tags](https://femdesign.discourse.group/tags.md)

**Page:** 2

---

## [Importing section geometry to GH from FD \[SOLVED\]](https://femdesign.discourse.group/t/importing-section-geometry-to-gh-from-fd-solved/421)

<div class="topic-metadata">

**Author:** [@Johan](https://femdesign.discourse.group/u/Johan)\
**Replies:** 2\
**Last updated:** [9 December 2024 13:24 UTC](https://femdesign.discourse.group/t/importing-section-geometry-to-gh-from-fd-solved/421 "2024-12-09T13:24:53Z")

</div>

Hi, Is it possible to import the section geometry previewed in FD back to GH? And also, is this possible for non-standard sections created with Section Editor?

---

## [Assign load to structure \[SOLVED\]](https://femdesign.discourse.group/t/assign-load-to-structure-solved/455)

<div class="topic-metadata">

**Author:** [@AndreiM](https://femdesign.discourse.group/u/AndreiM)\
**Replies:** 5\
**Last updated:** [25 February 2025 11:26 UTC](https://femdesign.discourse.group/t/assign-load-to-structure-solved/455 "2025-02-25T11:26:15Z")

</div>

Hi Marco I’m wondering if there’s a way to assign loads to a specific element in Grasshopper:

---

## [FEM-Design.Connection failure \[SOLVED\]](https://femdesign.discourse.group/t/fem-design-connection-failure-solved/476)

<div class="topic-metadata">

**Author:** [@sarashzad](https://femdesign.discourse.group/u/sarashzad)\
**Replies:** 1\
**Last updated:** [25 February 2025 08:44 UTC](https://femdesign.discourse.group/t/fem-design-connection-failure-solved/476 "2025-02-25T08:44:29Z")

</div>

Hi, Does anyone know how to fix this issue? Thanks,

---

## [Problem with tolerances..?](https://femdesign.discourse.group/t/problem-with-tolerances/461)

<div class="topic-metadata">

**Author:** [@Bohman](https://femdesign.discourse.group/u/Bohman)\
**Replies:** 1\
**Last updated:** [3 February 2025 14:28 UTC](https://femdesign.discourse.group/t/problem-with-tolerances/461 "2025-02-03T14:28:44Z")

</div>

Now and then, I have problems with plane normals for surface-related tasks, such as shell elements, surface loads, surface temperature loads, etc. I usually work around the issue by rebuilding the geometry or by using a …

---

## [Polygon Surface Load \[SOLVED\]](https://femdesign.discourse.group/t/polygon-surface-load-solved/463)

<div class="topic-metadata">

**Author:** [@netsonicyxf](https://femdesign.discourse.group/u/netsonicyxf)\
**Replies:** 1\
**Last updated:** [3 February 2025 06:49 UTC](https://femdesign.discourse.group/t/polygon-surface-load-solved/463 "2025-02-03T06:49:09Z")

</div>

The current Surface Load component only allows rectangle shape load. While the FEM-design allow Polygon shape load. This load type is very useful. Is it possible to make a new component？

---

## [Get mesh from FEM-design \[SOLVED\]](https://femdesign.discourse.group/t/get-mesh-from-fem-design-solved/165)

<div class="topic-metadata">

**Author:** [@larsToppe](https://femdesign.discourse.group/u/larsToppe)\
**Replies:** 4\
**Last updated:** [31 January 2025 12:20 UTC](https://femdesign.discourse.group/t/get-mesh-from-fem-design-solved/165 "2025-01-31T12:20:37Z")

</div>

I’m still working on the construction of this glass roof and have developed a well-functioning model using the FEM design API. It would be interesting to see if the construction could be optimized, which requires an iter…

---

## [Virtual bar can not be created \[SOLVED\]](https://femdesign.discourse.group/t/virtual-bar-can-not-be-created-solved/392)

<div class="topic-metadata">

**Author:** [@Poja](https://femdesign.discourse.group/u/Poja)\
**Replies:** 11\
**Last updated:** [31 January 2025 10:57 UTC](https://femdesign.discourse.group/t/virtual-bar-can-not-be-created-solved/392 "2025-01-31T10:57:40Z")

</div>

Hi! Is it possible to: Control the Settings (e.g. Display label size etc…) Construct Virtual bars Via grasshopper?

---

## [Local system of walls in FEM-Design \[SOLVED\]](https://femdesign.discourse.group/t/local-system-of-walls-in-fem-design-solved/458)

<div class="topic-metadata">

**Author:** [@Lysberg](https://femdesign.discourse.group/u/Lysberg)\
**Replies:** 1\
**Last updated:** [30 January 2025 15:57 UTC](https://femdesign.discourse.group/t/local-system-of-walls-in-fem-design-solved/458 "2025-01-30T15:57:44Z")

</div>

Hello! I’m having an issue with the local system of walls in grasshopper and FEM-Design. Essentially I want to divide a circle of a given radius into straight segments. The problem I face is that the created wall segment…

---

## [Modify material parameters](https://femdesign.discourse.group/t/modify-material-parameters/454)

<div class="topic-metadata">

**Author:** [@Poja](https://femdesign.discourse.group/u/Poja)\
**Replies:** 1\
**Last updated:** [24 January 2025 16:08 UTC](https://femdesign.discourse.group/t/modify-material-parameters/454 "2025-01-24T16:08:34Z")

</div>

Hi! I need to modify material density to consider in the entire model and yield limit depending on sheet thickness to consider in the design module How can I do that?

---

## [Save model as .struxml without FEM-Design instance](https://femdesign.discourse.group/t/save-model-as-struxml-without-fem-design-instance/443)

<div class="topic-metadata">

**Author:** [@gwikbom](https://femdesign.discourse.group/u/gwikbom)\
**Replies:** 1\
**Last updated:** [15 January 2025 10:16 UTC](https://femdesign.discourse.group/t/save-model-as-struxml-without-fem-design-instance/443 "2025-01-15T10:16:06Z")

</div>

Hi, I’m not a FEM-design user, but rather a Grasshopper user trying to create a base model for a partner with a FEM-design license. Is there a way to save a .str or .struxml file from Grasshopper without having a conne…

---

## [Surface temperature load POINT input](https://femdesign.discourse.group/t/surface-temperature-load-point-input/429)

<div class="topic-metadata">

**Author:** [@Poja](https://femdesign.discourse.group/u/Poja)\
**Replies:** 7\
**Last updated:** [19 December 2024 07:57 UTC](https://femdesign.discourse.group/t/surface-temperature-load-point-input/429 "2024-12-19T07:57:32Z")

</div>

Hi! I wonder what this point input should be. I cannot find this point definition in FEM-Design.

---

## [Steel design - automatic consideration of instability](https://femdesign.discourse.group/t/steel-design-automatic-consideration-of-instability/425)

<div class="topic-metadata">

**Author:** [@Poja](https://femdesign.discourse.group/u/Poja)\
**Replies:** 4\
**Last updated:** [12 December 2024 12:20 UTC](https://femdesign.discourse.group/t/steel-design-automatic-consideration-of-instability/425 "2024-12-12T12:20:20Z")

</div>

Hi! I am trying to figure out the steel design part. Is there any way to automatically consider the results of buckling analyses / imperfection analyses into the design? Here is my GH-file. Currently, it only gives ut…

---

## [Run many analyses and post-processing them \[SOLVED\]](https://femdesign.discourse.group/t/run-many-analyses-and-post-processing-them-solved/400)

<div class="topic-metadata">

**Author:** [@Poja](https://femdesign.discourse.group/u/Poja)\
**Replies:** 40\
**Last updated:** [10 December 2024 14:29 UTC](https://femdesign.discourse.group/t/run-many-analyses-and-post-processing-them-solved/400 "2024-12-10T14:29:54Z")

</div>

Hi! Is there a smart way of running existing models in a sequence, and waiting until each analysis is finished until running the next? I want to analyze an opening sequence of my bridge. I have already modelled and sav…

---

## [Material to reinforcement in grasshopper \[SOLVED\]](https://femdesign.discourse.group/t/material-to-reinforcement-in-grasshopper-solved/206)

<div class="topic-metadata">

**Author:** [@Weigu](https://femdesign.discourse.group/u/Weigu)\
**Replies:** 6\
**Last updated:** [10 December 2024 08:28 UTC](https://femdesign.discourse.group/t/material-to-reinforcement-in-grasshopper-solved/206 "2024-12-10T08:28:34Z")

</div>

Hi! How can man get the correct material to the Wire.Define ?

---

## [Construct Vehicle \[SOLVED\]](https://femdesign.discourse.group/t/construct-vehicle-solved/422)

<div class="topic-metadata">

**Author:** [@hozh](https://femdesign.discourse.group/u/hozh)\
**Replies:** 1\
**Last updated:** [6 December 2024 14:59 UTC](https://femdesign.discourse.group/t/construct-vehicle-solved/422 "2024-12-06T14:59:59Z")

</div>

Hi Macro, I tried to construct a new vehicle but got a error message saying that " Point loads must be caseless". What does this mean? How can I solve this? Thank you ! :slight\_smile:

---

## [Construct a Delta beam](https://femdesign.discourse.group/t/construct-a-delta-beam/412)

<div class="topic-metadata">

**Author:** [@AndreiM](https://femdesign.discourse.group/u/AndreiM)\
**Replies:** 7\
**Last updated:** [26 November 2024 13:43 UTC](https://femdesign.discourse.group/t/construct-a-delta-beam/412 "2024-11-26T13:43:23Z")

</div>

Hey there Is there any way I could model the beams as DeltaBeams in the API? There is this nice module that allows for the beams to be verified based on the maximum shear and moment in the section, so I was wondering i…

---

## [Hollow-core deck](https://femdesign.discourse.group/t/hollow-core-deck/410)

<div class="topic-metadata">

**Author:** [@AndreiM](https://femdesign.discourse.group/u/AndreiM)\
**Replies:** 2\
**Last updated:** [25 November 2024 10:30 UTC](https://femdesign.discourse.group/t/hollow-core-deck/410 "2024-11-25T10:30:46Z")

</div>

Hi Marco I am working with concrete deck elements, specifically hollow-core slabs, and I want to model them accurately. I noticed that in FEM-Design, there’s an option to convert a plate into its corresponding analytic…

---

## [There is not Design Group Type eligible for Slab](https://femdesign.discourse.group/t/there-is-not-design-group-type-eligible-for-slab/396)

<div class="topic-metadata">

**Author:** [@AndreiM](https://femdesign.discourse.group/u/AndreiM)\
**Replies:** 4\
**Last updated:** [5 November 2024 11:29 UTC](https://femdesign.discourse.group/t/there-is-not-design-group-type-eligible-for-slab/396 "2024-11-05T11:29:01Z")

</div>

Hi Marco, I was thinking maybe you can help me with a quick question. I have a model with walls and a plate, and I would like to design only the plate but I cannot make a design group for a plate. Do you know what am I d…

---

## [Concrete material properties](https://femdesign.discourse.group/t/concrete-material-properties/397)

<div class="topic-metadata">

**Author:** [@AndreiM](https://femdesign.discourse.group/u/AndreiM)\
**Replies:** 5\
**Last updated:** [5 November 2024 10:09 UTC](https://femdesign.discourse.group/t/concrete-material-properties/397 "2024-11-05T10:09:51Z")

</div>

Hello, I’m attempting to modify the material of a concrete plate element by adjusting the creep and shrinkage coefficients. I understand that there’s a component called SetConcreteMaterialProperties for this purpose. …

---

## [Custom Concrete material \[SOLVED\]](https://femdesign.discourse.group/t/custom-concrete-material-solved/394)

<div class="topic-metadata">

**Author:** [@RJRJ](https://femdesign.discourse.group/u/RJRJ)\
**Replies:** 4\
**Last updated:** [5 November 2024 09:32 UTC](https://femdesign.discourse.group/t/custom-concrete-material-solved/394 "2024-11-05T09:32:18Z")

</div>

My question is regarding grasshopper component ‘CustomMaterial’. I want to create a custom concrete class with same strength as C45/55 but a modified density to match a specific geometry. However in the CustomMaterial co…

---

## [BarRCUtilization component missing \[SOLVED\]](https://femdesign.discourse.group/t/barrcutilization-component-missing-solved/366)

<div class="topic-metadata">

**Author:** [@erikko](https://femdesign.discourse.group/u/erikko)\
**Replies:** 2\
**Last updated:** [25 October 2024 13:35 UTC](https://femdesign.discourse.group/t/barrcutilization-component-missing-solved/366 "2024-10-25T13:35:25Z")

</div>

Hi! I am trying to make a script to optimize RC columns based on the utilization. The “FEM-Design.GetCaseCombResults”, takes in the results from the “FEM-Design.RunDesign” component. Even though the “GetCaseCombResults”…

---

## [Edge connection: Separate end points from environment \[SOLVED\]](https://femdesign.discourse.group/t/edge-connection-separate-end-points-from-environment-solved/382)

<div class="topic-metadata">

**Author:** [@AndreiM](https://femdesign.discourse.group/u/AndreiM)\
**Replies:** 5\
**Last updated:** [23 October 2024 09:42 UTC](https://femdesign.discourse.group/t/edge-connection-separate-end-points-from-environment-solved/382 "2024-10-23T09:42:08Z")

</div>

Hi there, Is there a way to ensure that the edge connections, of concrete wall/shell elements, created through Grasshopper have the end point separated? Thanks :smiley:

---

## [SlabComponent. Degree of NurbsCurve is likely to high. \[SOLVED\]](https://femdesign.discourse.group/t/slabcomponent-degree-of-nurbscurve-is-likely-to-high-solved/380)

<div class="topic-metadata">

**Author:** [@Poja](https://femdesign.discourse.group/u/Poja)\
**Replies:** 2\
**Last updated:** [22 October 2024 11:15 UTC](https://femdesign.discourse.group/t/slabcomponent-degree-of-nurbscurve-is-likely-to-high-solved/380 "2024-10-22T11:15:56Z")

</div>

Hi! New error encountered. Solution exception:Unsupported Curve. Degree of NurbsCurve is likely to high. Degree is: 3, versus a supported degree of 2.

---

## [LoadGroupToLoadCombination starts FEM-design \[SOLVED\]](https://femdesign.discourse.group/t/loadgrouptoloadcombination-starts-fem-design-solved/357)

<div class="topic-metadata">

**Author:** [@Poja](https://femdesign.discourse.group/u/Poja)\
**Replies:** 7\
**Last updated:** [22 October 2024 07:02 UTC](https://femdesign.discourse.group/t/loadgrouptoloadcombination-starts-fem-design-solved/357 "2024-10-22T07:02:13Z")

</div>

Hi! This component seems to start a FEM-design window which automatically closes after some seconds. The component consumes 4.5s for this. Is it supposed to be like this?

---

## [Post-processing](https://femdesign.discourse.group/t/post-processing/367)

<div class="topic-metadata">

**Author:** [@Poja](https://femdesign.discourse.group/u/Poja)\
**Replies:** 6\
**Last updated:** [9 October 2024 08:31 UTC](https://femdesign.discourse.group/t/post-processing/367 "2024-10-09T08:31:00Z")

</div>

Hi! I want to post-process a heavy model which does not seem to work. Is there a way to do this not through a live link component but directly from the .strFEM file? Or maybe somehow internalize the data so it reliabl…

---

## [Slab error. Can't construct plane. LocalX and LocalY are not perpendicular \[SOLVED\]](https://femdesign.discourse.group/t/slab-error-cant-construct-plane-localx-and-localy-are-not-perpendicular-solved/360)

<div class="topic-metadata">

**Author:** [@Poja](https://femdesign.discourse.group/u/Poja)\
**Replies:** 4\
**Last updated:** [4 October 2024 07:51 UTC](https://femdesign.discourse.group/t/slab-error-cant-construct-plane-localx-and-localy-are-not-perpendicular-solved/360 "2024-10-04T07:51:54Z")

</div>

Hi, I have a web for my cross beams. The height of the web at the cantilever seems to create error in the “Slab” component as below, depending on its value. I don’t get the error if I change the height to a larger value…

---

## [Import loads from Excel or text file \[SOLVED\]](https://femdesign.discourse.group/t/import-loads-from-excel-or-text-file-solved/353)

<div class="topic-metadata">

**Author:** [@roberta](https://femdesign.discourse.group/u/roberta)\
**Replies:** 3\
**Last updated:** [19 September 2024 08:30 UTC](https://femdesign.discourse.group/t/import-loads-from-excel-or-text-file-solved/353 "2024-09-19T08:30:32Z")

</div>

Hello, Once again I was referred from the local support team to Marco :slight\_smile: - though maybe someone else can help? I’m working on designing a gantry that is subjected to approximately 25 load cases, each consis…

---

## [Adding a multiple point loads \[SOLVED\]](https://femdesign.discourse.group/t/adding-a-multiple-point-loads-solved/274)

<div class="topic-metadata">

**Author:** [@roberta](https://femdesign.discourse.group/u/roberta)\
**Replies:** 3\
**Last updated:** [10 September 2024 10:00 UTC](https://femdesign.discourse.group/t/adding-a-multiple-point-loads-solved/274 "2024-09-10T10:00:52Z")

</div>

Hello, I’m new to using Grasshopper and the FEM-DESIGN API and I would really appreciate some help. Currently I’m struggling with adding forces in x,y,z direction to a node. I’m using the “Pointload.Define” component a…

---

## [Material safety factor from file path \[SOLVED\]](https://femdesign.discourse.group/t/material-safety-factor-from-file-path-solved/280)

<div class="topic-metadata">

**Author:** [@hso](https://femdesign.discourse.group/u/hso)\
**Replies:** 2\
**Last updated:** [5 September 2024 11:15 UTC](https://femdesign.discourse.group/t/material-safety-factor-from-file-path-solved/280 "2024-09-05T11:15:03Z")

</div>

Hello, I am trying to assign steel elements with the correct partial factor according to the Norwegian code. I have created a material.struxml file and specified the material partial factors. Then, I import the material…

---

## [CLT internal panel and connection forces](https://femdesign.discourse.group/t/clt-internal-panel-and-connection-forces/263)

<div class="topic-metadata">

**Author:** [@annastig](https://femdesign.discourse.group/u/annastig)\
**Replies:** 2\
**Last updated:** [28 August 2024 14:05 UTC](https://femdesign.discourse.group/t/clt-internal-panel-and-connection-forces/263 "2024-08-28T14:05:30Z")

</div>

Hello! I want to extract and visualize internal connection forces on CLT panels, modelled as cross laminated timber elements, not orthotropic shells. It seems however that this module is not implemented yet in the FEMDe…

[Previous page](https://femdesign.discourse.group/c/help/grasshopper/5.md)

[Next page](https://femdesign.discourse.group/c/help/grasshopper/5.md?page=2)
