The _mbd.mrf file is a Multi-body Results File.
This file is created when a multi-body dynamics subcase is defined. The file contains time history data that can be used for 2-D plotting in HyperGraph. Some data is written by default, and some needs to be requested.
Data output by default.
Type |
Component |
Description |
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Rigid Body |
X, Y, Z |
Position |
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E0, E1, E2, E3 |
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VM, VX, VY, VZ |
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WM, WX, WY, WZ |
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ACCM, ACCX, ACCY, ACCZ |
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WDTM, WDTX, WDTY, WDTZ |
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KE |
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Flex Body |
All Rigid Body results |
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Q/i, i = 1,2,…,n |
Modal participation factors. |
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XD/i, i=1,2,…,N |
Modal velocity. |
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System |
KE |
Kinetic energy |
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CPU Usage |
Total CPU time used. |
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CPU/Sim. Time Ratio |
The ration between the total CPU time used and the simulation time. |
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Stepsize |
Actual step size used in the integration. |
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Integration Order |
Order of the integrator used in the integration. |
Data output by request. The request needs to be defined through a REQUEST I/O statement.
Type |
Component |
Description |
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Marker Displacement |
DM, DX, DY, DZ |
Magnitude and X, Y, Z components of displacement. |
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E0, E1, E2, E3 |
Orientation in Euler parameters. |
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Marker Velocity |
VM, VX, VY, VZ |
Magnitude and X, Y, Z components of velocity. |
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WM, WX, WY, WZ |
Magnitude and X, Y, Z components of angular velocity. |
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Marker Acceleration |
ACCM, ACCX, ACCY, ACCZ |
Magnitude and X, Y, Z components of acceleration. |
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WDTM, WDTX, WDTY, WDTZ |
Magnitude and X, Y, Z components of angular acceleration. |
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Marker Force |
FM, FX, FY, FZ |
Magnitude and X, Y, Z components of force. |
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TM, TX, TY, TZ |
Magnitude and X, Y, Z components of torque. |
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Expressions |
F1, F2, …, F8 |
Vectors containing evaluated expressions. |