Modeling Nonlinear Structural Mechanics in COMSOL Multiphysics®
Duration: 59:29
Watch an archived webinar on using the COMSOL Multiphysics® software for nonlinear structural analysis. We discuss what causes nonlinear structural behavior, how to capture this behavior with the built-in tools in COMSOL Multiphysics®, as well as some best practices.
Want to learn more about modeling nonlinear structural mechanics? Contact COMSOL for a software evaluation.
Chapter Selection
Introduction (0:00)
COMSOL Multiphysics® (2:38)
COMSOL® Products for Structural Analysis (6:21)
Nonlinear Problems (6:37)
Examples of Nonlinearity (10:10)
The initial/boundary value problem (11:38)
A closer look at nonlinearities in SM (12:28)
Taxonomy of Nonlinearities (13:57)
Numerical Solution of Nonlinear Problems (15:01)
Root Finding (16:54)
Solving nonlinear problems (19:12)
Solution Procedure: Nonlinear Iteration (21:58)
Solver Settings (24:42)
Geometric Nonlinearity (25:59)
Demo 1: Large Deformation of a Beam (27:58)
Postbuckling Analysis of a Hinged Cylindrical Shell (35:07)
Material Nonlinearity (35:18)
Nonlinear Structural Materials Module (35:38)
Geomechanics Module (36:41)
Demo 2: Arterial Wall Mechanics (37:06)
Contact (42:29)
Ingredients in Contact Simulation (42:43)
“Geometrically Linear” Contact (43:11)
Demo 3: Die Forming (44:20)
Debugging Nonlinear Structural Problems (46:22)
App Deployment (50:15)
Q&A (51:02)