Abstract

Ansys Apdl 2021 R2 software has been used to design the Magnetorheological Damper or commonly known as MR damper. To get a better 3D shape of MR damper the software is being commonly used. To continue the designing process of this damper, B-H curve MR fluid 132 DG from Lord Corporation has been collected to observe its rheological change. Ansys Apdl 2021 R2 software learning is necessary to start the design and perform its finite element analysis. Finite element or FEM is necessary to demonstrate a clear data on fluid and air gap of the designed MR damper and also for having a real magnetic flux density and intensity value. All the materials used in this MR damper has its own relative permeability. After analyzing the rheological diversity of MR fluid 132 DG relative permeability of each component has been measured. Normally, five different ferromagnetic and magnetic components are kept in this MR damper and some insulators also being kept in this damper. MR damper which is commonly seen in different kind of semi-active devices to control its unnecessary noise and vibration. No other damper in this era shown as much capability like MR damper. After defining every area of the MR damper with concerned calculation, meshing has been done to see and correct every single partition and gap of the fluid and material. Going through the entire research it was prime concern how the MR damper behave according to shear stress. So, magnetic flux density vs. shear stress and vice versa has been analyzed to learn its capability in traditional business. Wire gauge of the MR damper kept as short as possible to avoid decays. Boundary condition of the MR damper has been seen in ANSYS software to ensure the current flow and to see direction of flowing electron. Current value from 0.1 to 1.5 has been continuously calculated to get its numerical value and its magnetically comparison with shear stress. Magnetic flux density and also magnetic flux intensity area has been found after the Nodal analysis of this damper. Vector diagram implementation is necessary to gain the fluid flowing area. The designed MR damper are also capable for controlling vibration of tall buildings from earthquakes and thunderstorm. Also, different kinds of application rather than these are also kept in mind. Leg postulates consumers can also be helpful with this. After all, by shaping the magnetic flux density and intensity we got the desired 3D shape of MR damper.

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