. CAESIM 2024 - FSI and Motion

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Motion & Fluid-Structure Interaction

There are many engineering problems that involve interaction between fluid and solid bodies. Such problems typically involve flows around moving objects/boundaries. Industrial examples of these flows include flows in pipes with moving valves, flows in combustion chambers with moving pistons, the classical store separation problem, and many others. The rigid-body FSI capabilities, combined with the moving mesh functionality, allow for the simulation of movement via translation and/or rotation.

CAESIM simulates problems in which a body can move via translation, rotation, or simultaneous rotation and translation. There are many problems in CFD that involve interaction between fluid and solid bodies. Such problems typically involve flows around moving objects/boundaries. Industrial examples of these flows include flows in pipes with moving valves, flows in combustion chambers with moving pistons, the classical store separation problem, and many others.

Fluid-Structure Interaction (FSI) and Motion Applications

Translating/Rotating Bodies

The moving mesh capabilities in CAESIM allow for the simulation of problems in which a body can move via translation, rotation, or simultaneous rotation and translation. Customized motion can also be prescribed.

Fluid-Struture Interaction

CAESIM is used to study fluid-structure interactions during the transient opening phase of a pressure valve. The simulations provide detailed information on the transient pressure and velocity fields during the opening and fully-open phases.

Advanced Applications

CAESIM simulations provide a non-invasive tool to assess catheter placement in the central venous system.  Simulations of blood flow around the catheter can be used to predict pressure and viscous forces acting on the device.  This information is critical to evaluate catheter displacements inside the vein.

FSI and Motion Simulations

Rotating Fans

Simulation of multiple rotating fans with specified CFM

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Leaf FSI

Fluid-structure interaction simulation of thin leaf object

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Squeeze Flow

Swallow simulation of squeeze flow

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Swirling Ball

Moving ball in space on spiral pattern

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Rotation & Fluid Spill

Two-phase spill with rotating container

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Growing Object

Growing envelope for specific plant geometry

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Membrane FSI

Fluid-structure interaction of tubular vessel

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Flapping Wing

Beetle flapping wing simulation with customized motion

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Manta Ray Motion

Prescribed motion simulation for a manta ray

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Projectile

Moving projectile simulation using adaptive meshing

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Additional Information

Wave Impact Modeling

Fluid Structure Interaction

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Membrane FSI

Fluid Structure Interaction

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Manta Ray Animation

Fluid Structure Interaction

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Heart Valve Animation

Fluid Structure Interaction

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Applications

CAESIM Software

Technical Reports

Solution Galleries

Information

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