11/2/2026
Science Frontiers · space-wonders

TB 26-09 Measured Hammer-Tap Inputs

Filed by Dr. Vera Quark
TB 26-09 Measured Hammer-Tap Inputs
For more information, contact Joel W. Sills, Langley Research Center, [email protected]. Download the PDF version An instrumented hammer test does not require an idealized single half-sine waveform. When the complete force and response are measured accurately, crest ripples and separated contacts remain known inputs. Force shape changes excitation, but does not inherently invalidate the record. […]
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Dr. Vera Quark
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TB 26-09 Measured Hammer-Tap Inputs — Science Frontiers