# Select Force Without Fixed Region

**URL:** https://prepomax.discourse.group/t/select-force-without-fixed-region/350
**Category:** General Questions
**Created:** [August 10, 2022, 7:38am UTC](https://prepomax.discourse.group/t/select-force-without-fixed-region/350 "2022-08-10T07:38:34Z")
**Posts on this page:** 5
**Page:** 1

<div class="post-metadata">

### Author: ![b.avci](https://avatars.discourse-cdn.com/v4/letter/b/f6c823/32.png) [@b.avci](https://prepomax.discourse.group/u/b.avci)
#### Post date: [August 10, 2022, 7:38am UTC](https://prepomax.discourse.group/t/select-force-without-fixed-region/350/1 "2022-08-10T07:38:34Z")

</div>

Hi everyone,

You can see fixed region on picture one. I want to give force surfaces without fixed region. How can i select surfaces without fixed region?

Thank you all.

 ![One](https://global.discourse-cdn.com/free1/uploads/prepomax/original/1X/7201d94b5cc580d870e601a0e8c57c32aef01225.jpeg)

---

<div class="post-metadata">

### Author: ![FEAnalyst](https://yyz2.discourse-cdn.com/free1/user_avatar/prepomax.discourse.group/feanalyst/32/688_2.png) [@FEAnalyst](https://prepomax.discourse.group/u/FEAnalyst)
#### Post date: [August 10, 2022, 7:42am UTC](https://prepomax.discourse.group/t/select-force-without-fixed-region/350/2 "2022-08-10T07:42:12Z")

</div>

Selecting regions for boundary conditions and loads based on unstructured mesh is difficult - you won’t be able to do it precisely. Instead, I would advise you to partition the surfaces of the model in CAD software, before importing to PrePoMax. This way you will be able to apply BCs and loads right where they should be placed.

---

<div class="post-metadata">

### Author: ![SergioP1975](https://yyz2.discourse-cdn.com/free1/user_avatar/prepomax.discourse.group/sergiop1975/32/37_2.png) [@SergioP1975](https://prepomax.discourse.group/u/SergioP1975)
#### Post date: [August 10, 2022, 12:41pm UTC](https://prepomax.discourse.group/t/select-force-without-fixed-region/350/3 "2022-08-10T12:41:29Z")

</div>

With the partitioned geometry will work, the problem arises with an orphan (imported) mesh, there is no CAD surfaces to reference. The selection tool of surfaces could let select individual element faces by hand.

---

<div class="post-metadata">

### Author: ![Matej](https://avatars.discourse-cdn.com/v4/letter/m/a698b9/32.png) [@Matej](https://prepomax.discourse.group/u/Matej)
#### Post date: [August 10, 2022, 12:56pm UTC](https://prepomax.discourse.group/t/select-force-without-fixed-region/350/4 "2022-08-10T12:56:42Z")

</div>

> [@SergioP1975](#):
>
> The selection tool of surfaces could let select individual element faces by hand.

If you switch to FE mesh based selection it is possible to select individual nodes, elements, edges, …

---

<div class="post-metadata">

### Author: ![SergioP1975](https://yyz2.discourse-cdn.com/free1/user_avatar/prepomax.discourse.group/sergiop1975/32/37_2.png) [@SergioP1975](https://prepomax.discourse.group/u/SergioP1975)
#### Post date: [August 11, 2022, 2:22pm UTC](https://prepomax.discourse.group/t/select-force-without-fixed-region/350/5 "2022-08-11T14:22:44Z")

</div>

Great! I was looking for that days ago.
