Archive for October 3rd, 2006

Implicit Dynamics – Now with Birth, Death, and Burial Properties

Published by Suri Bala October 3rd, 2006 in LS-DYNA Bytes and LS-DYNA Implicit. 0 Comments

When solving static or quasi-static type problems, the default Implicit Static solver (IMAS=0 in CONTROL_IMPLICIT_DYNAMICS) requires a well-conditioned model, with no rigidbody modes, to get good convergence behavior. It is often difficult to prevent rigidbody modes especially when its dependent on contact-impact conditions. In such cases, use of Implicit Dynamics solver (IMAS=1) can help us [...]

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