### Some articles on *mode, modes, shape, mode shape, mode shapes, shapes*:

Interferometry - Applications - Engineering and Applied Science

... Single-

... Single-

**mode**lasers employ etalons to suppress all optical cavity**modes**except the single one of interest ... beam, however, is modified to match the desired**shape**of the test surface ... If a**mode**-locked laser is modulated to form a train of pulses, its spectrum is seen to consist of the carrier frequency surrounded by a closely spaced comb of optical sideband frequencies with a ...Vibration - Multiple Degrees of Freedom Systems and

... These eigenvectors represent the

**Mode Shape**s - Eigenvalue Problem... These eigenvectors represent the

**mode shapes**of the system ... The two**mode shapes**for the respective natural frequencies are given as Since the system is a 2 DOF system, there are two**modes**with their respective natural frequencies and**shapes**... The**mode shape**vectors are not the absolute motion, but just describe relative motion of the degrees of freedom ...Eigentone - Nodes

... In a one dimensional system at a given

... In a one dimensional system at a given

**mode**the vibration will have nodes, or places where the displacement is always zero ... These nodes correspond to points in the**mode shape**where the**mode shape**is zero ... Since the vibration of a system is given by the**mode shape**multiplied by a time function, the displacement of the node points remain zero at all times ...Rayleigh-Ritz Method

... the system has two lumped springs and two lumped masses, and only two

... the system has two lumped springs and two lumped masses, and only two

**mode shapes**are assumed ... A**mode shape**is assumed for the system, with two terms, one of which is weighted by a factor B, e.g ... so, since KE = PE, Note that the overall amplitude of the**mode shape**cancels out from each side, always ...Structural Dynamics - Modal Analysis - Energy Method

... It is possible to calculate the frequency of different

... It is possible to calculate the frequency of different

**mode shape**of system manually by the energy method ... For a given**mode shape**of a multiple degree of freedom system you can find an "equivalent" mass, stiffness and applied force for a single degree of freedom ... For simple structures the basic**mode shapes**can be found by inspection, but it is not a conservative method ...### Famous quotes containing the words shape and/or mode:

“Art, like Nature, has her monsters, things of bestial *shape* and with hideous voices.”

—Oscar Wilde (1854–1900)

“Yours of the 24th, asking “the best *mode* of obtaining a thorough knowledge of the law” is received. The *mode* is very simple, though laborious, and tedious. It is only to get the books, and read, and study them carefully.... Work, work, work, is the main thing.”

—Abraham Lincoln (1809–1865)

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