Command reference help topics
Arc-Length Methods Parameters dialog box
| Name | Defines the name of the modeling object. |
|---|---|
| Label | Specifies a unique numerical identifier for the modeling object. |
| Type | TYPE field in the NLPCI bulk data entry.Lets you specify the constraint type. |
| Minimum Arc-Length Adjustment Ratio | MINALR field in the NLPCI bulk data entry.Lets you specify the minimum allowable arc-length adjustment ratio between increments for the adaptive arc-length method. |
| Maximum Arc-Length Adjustment Ratio | MAXALR field in the NLPCI bulk data entry.Lets you specify the maximum allowable arc-length adjustment ratio between increments for the adaptive arc-length method. |
| Scale Factor for Loading | SCALE field in the NLPCI bulk data entry.Scale factor (w) for controlling the loading contribution in the arc-length constraint. |
| Desired Number of Iterations | DESITER field in the NLPCI bulk data entry.Lets you specify the desired number of iterations for convergence to use for the adaptive arc-length adjustment. |
| Maximum Increments | MXINC field in the NLPCI bulk data entry.Lets you specify the maximum number of controlled increment steps allowed within a subcase. |
Learn more
Controlling the iteration strategy in Nastran nonlinear analyses
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Arc-Length Methods Parameters dialog box, Simcenter 3D 2021.1 Series
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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id628651 · retrieved 2026-07-17