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[Other] Coupling solidBodyMotionFunction with sixDOF solver in OpenFOAM-v1812

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Old   April 29, 2019, 06:14
Default Coupling solidBodyMotionFunction with sixDOF solver in OpenFOAM-v1812
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Ajit Kumar
Join Date: Aug 2013
Location: Shiv Nadar University, India
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Dear foamers,

OpenFOAM provides a solidBodyMotionFunction class which is convenient for solving flow around moving bodies. However, all the option under this class like, linearMotion, rotatingMotion, etc all seem to solve flow around prescribed motion. I have written a new sixDoFDynamicMotion class, which is a child of solidBodyMotionFunction, which has a private member motion_ of the type sixDoFRigidBodyMotion. The member motion_, is responsible for integrating pressure and shear force around the given patch, and solve for the resulting translation and rotations. The resulting motion is returned as a septernion, through the transform() function. This is tested on two examples. Trajectory of a projectile motion, and a simple pendulum. Source code can be found here.

https://github.com/krajit/sixDoFDynamicMotion

Examples here look ok to me.





Feedbacks are most welcome.

Ajit Kumar,
Dept. of Mathematics,
Shiv Nadar University
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