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Structural & Acoustics Blog Posts

What Kinds of FSI Problems Can COMSOL Multiphysics Solve?

April 14, 2014

We discuss the various techniques for modeling fluid–structure interaction (FSI) in the COMSOL® software, as well as highlight the add-on modules you need for these various types of analyses.

Modeling the Hydrostatic Pressure of a Fluid in a Deformable Container

April 9, 2014

Picture a water balloon being compressed at the center. As you squeeze the balloon, the locations of the highest point and depth of fluid change, altering the hydrostatic pressure distribution.

Computing Stiffness of Linear Elastic Structures: Part 2

April 4, 2014

Learn how to compute the stiffness of linear elastic structures in 2D and 3D with COMSOL Multiphysics® by implementing the Poisson effect. Part 2 of a 2-part series on computing stiffnesses.

Computing Stiffness of Linear Elastic Structures: Part 1

April 3, 2014

Learn how to compute the stiffness of linear elastic structures in 1D and 2D by implementing the Timoshenko beam theory in COMSOL Multiphysics®. Part 1 of a 2-part series on computing stiffness.

Using Cyclic Symmetry to Reduce Computation Time

March 17, 2014

Cyclic symmetry can be more complex for rotationally geometries than it can for axially symmetric geometries. Learn how to implement this feature to cut down on computational memory.

Defining Curvilinear Coordinates for Anisotropic Materials

March 11, 2014

Consider a carbon-fiber-reinforced polymer with woven fibers embedded in an epoxy matrix. How can you express the anisotropy by referring to the well-known Cartesian coordinate system?

Buckling, When Structures Suddenly Collapse

March 7, 2014

The easiest way to approach a buckling problem — like a bridge collapse or crushed soda can — is by performing a linearized buckling analysis. See how to do so in COMSOL Multiphysics® here >>

Selecting First Gear: Investigating a Classic Car Gearshift Mechanism

March 4, 2014

Follow along as we perform a multibody dynamics analysis of the gearshift mechanism in a classic car. Read to hit the road?


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