Dynamic

Calculate dynamic stiffness from frf

Calculate dynamic stiffness from frf
  1. How do you calculate dynamic stiffness?
  2. How do you calculate FRF?
  3. What is an frf?
  4. What is meant by dynamic stiffness?

How do you calculate dynamic stiffness?

The dynamic stiffness Km is calculated by dividing f2 by the magnitude of H1(f) [27]. Here, f is the frequency value.

How do you calculate FRF?

The FRF is the crosspower (Sxy) of the input (x) and output (y) divided by the autopower (Sxx) of input as shown in Figure 7.

What is an frf?

A frequency response function (FRF) is a transfer function, expressed in the frequency- domain. Frequency response functions are complex functions, with real and imaginary components. They may also be represented in terms of magnitude and phase.

What is meant by dynamic stiffness?

1. Dynamic Stiffness. Static stiffness is defined as the ratio of the force acting on an object to its surface displacement. In contrast, dynamic stiffness is the force per unit vibratory displacement and is defined in the frequency domain.

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