# Movemesh23 for meshS

**URL:** <https://community.freefem.org/t/movemesh23-for-meshs/2511>\
**Category:** General Discussion\
**Created:** [May 31, 2023, 5:05am UTC](https://community.freefem.org/t/movemesh23-for-meshs/2511 "2023-05-31T05:05:57Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![alfat](https://yyz2.discourse-cdn.com/flex030/user_avatar/community.freefem.org/alfat/32/1888_2.png) [@alfat](https://community.freefem.org/u/alfat)\
**Post date:** [May 31, 2023, 5:05am UTC](https://community.freefem.org/t/movemesh23-for-meshs/2511/1 "2023-05-31T05:05:57Z")

</div>

Hi all,

I am trying to simulate crack propagation in Thin Layer using FreeFEM++.  
I use the command movemesh23

```auto
mesh th = square(n, n, [-1*L0+(L0+L0)*x, -1*h0+(h0+h0)*y],flags=1);
meshS Th=movemesh23(th,transfo=[x,y,z]);
plot(Th);

```

The result is well, but can the layer thickness be specified in this code?  
How thick is the layer?

 ![Screenshot from 2023-05-31 13-57-15](https://canada1.discourse-cdn.com/flex030/uploads/freefem/original/2X/8/8c3aa32069b6fa1939150b185799a3a6f8921dce.jpeg)