Fig 1.
Structure diagram of the diesel tank.
Table 1.
Material property.
Fig 2.
(a) Nylon hammer (b) acceleration sensor (c) LMS system.
Fig 3.
Free suspension of the diesel tank.
Fig 4.
Modal test data of an unconstrained diesel tank.
Fig 5.
Grid division of diesel tank.
Fig 6.
Comparison between unconstrained modal simulation and diesel tank test results.
Fig 7.
Natural frequency of diesel tank with different fill ratio.
Fig 8.
Natural frequency of diesel tank with different number of baffle plate.
Table 2.
Natural frequencies of first-six orders of diesel tanks with different numbers of baffles.
Fig 9.
The fifth-order vibration mode of the diesel tank with different baffle plate number.
Fig 10.
Natural frequency of the diesel tank with different baffle spacing.
Fig 11.
The third-order vibration mode of the diesel tank with different baffle spacing.
Table 3.
The first six-order natural frequencies of diesel tanks with different baffle spacing.
Fig 12.
The fourth-order vibration mode of the diesel tank with different baffle aperture.
Table 4.
First six-order natural frequencies of the diesel tank with different baffle apertures.