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Isolid = 14 is for 8-node linear element with various number of integration points, and has co-rotational formulation. When more integration points are used it could be computationally expensive, but will produce accurate results with no hourglass.
Whereas for Isolid=17 it has only standard integration.
We recommend to use Isolid=24. under-integrated elements but with physical hourglass stabilization, and the computation time will be also less.
Please go through RADIOSS theory manual in Help menu where these element formulations are shown.
Altair Employee
Hi,
Isolid = 14 is for 8-node linear element with various number of integration points, and has co-rotational formulation. When more integration points are used it could be computationally expensive, but will produce accurate results with no hourglass.
Whereas for Isolid=17 it has only standard integration.
We recommend to use Isolid=24. under-integrated elements but with physical hourglass stabilization, and the computation time will be also less.
Please go through RADIOSS theory manual in Help menu where these element formulations are shown.