Introduction to Thermomechanical Modeling in COMSOL®
Duration: 45:21
In this archived webinar, we go over how to study thermal expansion, phase change, and thermal creep in a thermomechanical model. The presentation also includes a demonstration that shows you how to model viscoplastic creep in solder joints.
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Chapter Selection
Introduction (0:00)
Agenda (1:31)
COMSOL Multiphysics® (2:35)
Thermal Stress Modeling in COMSOL Multiphysics® (6:01)
Applying a Known Temperature (7:48)
Thermal Expansion Settings (8:41)
Coefficient of Thermal Expansion (CTE) (10:28)
Some Useful Constraints for Thermal Expansion (13:28)
Rigid Motion Suppression (14:44)
Thermal Expansion of Constraints (15:32)
Coupled Heat Transfer and Structural Mechanics (16:39)
Thermal Expansion (17:24)
Physics Coupling (18:28)
Example: Thermal Stress in Turbine Stator (18:40)
Example: Turbine Stator (19:14)
Thermal Contact (19:43)
Physics Coupling II (20:53)
Activation and Deactivation (21:39)
Example: Additive Manufacturing (23:25)
Results: Stress (23:45)
Thermal Material Effects (24:20)
Nonlinear Structural Materials Module (25:45)
Example: Temperature-Dependent Plasticity (26:04)
Creep (26:36)
Viscoplasticity (27:37)
Shape Memory Alloy Material Models (28:36)
Demo: Viscoplastic Solder Joints (29:36)
Further Resources (44:21)
Contact Us (44:47)