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What is isoparametric element?

Updated: 9/20/2023
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12y ago

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Isoparametric elements use the same set of shape functions to represent both the element geometry and displacement interpolations (ux, uy). The shape functions are defined by natural coordinates, such as triangle coordinates for triangles and square coordinates for any quadrilateral.

The advantages of isoparametric elements include the ability to map more complex

shapes and have compatible geometries.

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Q: What is isoparametric element?
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What are isoparametric elements where should you use them?

Isoparametric elements use the same set of shape functions to represent both the uniform changes on the initial and secondary conditions and also on local coordinates of elements. The shape functions are defined by natural coordinates, such as triangle coordinates for triangles and square coordinates for any quadrilateral. The advantages of isoparametric elements include the ability to map more complex shapes and have compatible geometries. Besides the accuracy of them is usually more. CPU time for solving linear equations is reduced. most of commercial programs use the isoparametric elements in thier softwares.


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What has the author James R Adamek written?

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