Calculation and measurement of normal modes of vibration of an aluminum-alloy box beam with and without large discontinuities / Frank C. Smith and Darnley M. Howard.
The lowest normal modes of vibration of three aluminum-alloy box beams ere calculated using a matrix iteration method. For these calculations the actual structures were idealized to a system of mass points interconnected by massless springs. The lowest normal modes of these beams were measured exper...
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| Format: | Government Document Book |
| Language: | English |
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Washington, D.C. :
National Advisory Committee for Aeronautics,
1953.
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| Series: | Technical note (United States. National Advisory Committee for Aeronautics) ;
2884. |
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PASCAL Offsite
| Call Number: |
Y 3.N 21/5:6/2884
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| Y 3.N 21/5:6/2884 | Available Place a Hold |