# Evaluation of UFL expression at mesh points

**URL:** <https://fenicsproject.discourse.group/t/evaluation-of-ufl-expression-at-mesh-points/7368>\
**Category:** dolfinx\
**Created:** [December 23, 2021, 4:09pm UTC](https://fenicsproject.discourse.group/t/evaluation-of-ufl-expression-at-mesh-points/7368 "2021-12-23T16:09:45Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![dokken](https://yyz2.discourse-cdn.com/free1/user_avatar/fenicsproject.discourse.group/dokken/32/1560_2.png) [@dokken](https://fenicsproject.discourse.group/u/dokken)\
**Post date:** [December 23, 2021, 5:10pm UTC](https://fenicsproject.discourse.group/t/evaluation-of-ufl-expression-at-mesh-points/7368/2 "2021-12-23T17:10:11Z")

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You can use `dolfinx.Expression` as shown in

> <https://github.com/FEniCS/dolfinx/blob/114c268aab752b6669abc2718837116cec90dba6/python/test/unit/fem/test_expression.py#L70>

Some nicer front-end UI will hopefully be merged soon with: [Interpolation of ufl expressions by jorgensd · Pull Request #1875 · FEniCS/dolfinx · GitHub](https://github.com/FEniCS/dolfinx/pull/1875)

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