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 # ansys.meshing.prime.IGAUnstructuredSplineSurf

 Last update: 16.07.2025 

<a id="ansys.meshing.prime.IGAUnstructuredSplineSurf.invalid_jacobian_elements_count"></a>

#### *property* IGAUnstructuredSplineSurf.invalid\_jacobian\_elements\_count *: [int](https://docs.python.org/3.11/library/functions.html#int)*

Count of elements with negative jacobian.