# PetscFVSetNumComponents
Set the number of field components in a `PetscFV` 
## Synopsis
```
#include "petscfv.h" 
PetscErrorCode PetscFVSetNumComponents(PetscFV fvm, PetscInt comp)
```
Logically collective on fvm


## Input Parameters

- ***fvm -*** the `PetscFV` object
- ***comp -*** The number of components





## See Also
 `PetscFV`, `PetscFVGetNumComponents()`

## Level
intermediate

## Location
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/dm/dt/fv/interface/fv.c.html#PetscFVSetNumComponents">src/dm/dt/fv/interface/fv.c</A>

## Examples
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex11.c.html">src/ts/tutorials/ex11.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex11_sa.c.html">src/ts/tutorials/ex11_sa.c.html</A><BR>
<A HREF="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/ex18.c.html">src/ts/tutorials/ex18.c.html</A><BR>


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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/dt/fv/interface/fv.c)


[Index of all FV routines](index.md)  
[Table of Contents for all manual pages](/docs/manualpages/index.md)  
[Index of all manual pages](/docs/manualpages/singleindex.md)  
