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Lumping of mass in calculating vibration response
Vibration response of uniform Bernoulli-Euler cantilever beam carrying tip mass is compared with that of weightless beam supporting 16 concentrated masses; natural frequencies and effective masses are given for impedance or steady-state behavior; effective model masses and model bending moment factors for shock problem; results show that lumped mass beam depicts shock response parameters more accurately than those associated with steady velocity at driven point; for shock and steady loading, lumped mass model becomes more accurate as ratio of tip mass to beam mass increases.
Lumping of mass in calculating vibration response
Vibration response of uniform Bernoulli-Euler cantilever beam carrying tip mass is compared with that of weightless beam supporting 16 concentrated masses; natural frequencies and effective masses are given for impedance or steady-state behavior; effective model masses and model bending moment factors for shock problem; results show that lumped mass beam depicts shock response parameters more accurately than those associated with steady velocity at driven point; for shock and steady loading, lumped mass model becomes more accurate as ratio of tip mass to beam mass increases.
Lumping of mass in calculating vibration response
ASCE -- Proc (J Eng Mechanics Div)
Neubert, V.H. (author)
1964
21 pages
Article (Journal)
English
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