Fig. 5From: Measuring density and Young’s modulus of a log through the vibration test without measuring its weightExperimental estimation acccuracy of the vibration method with additional mass (VAM) MVAM/M0 (MVAM: Estimated mass by the VAM, M0: Mesasured mass) for the circular truncated cones when the cut butt end portion was used for the virtual additional massBack to article page