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5 Modeling of Mechanical Oscillatory Systems …
Fig. 5.66 Schedule of change in time of elongation of two springs (e 1 —for the first spring, e 2 —for
the second)
initial equation
der(e1) = 0; // initial speed of the first spring
der(e2) = 0; // initial speed of the second spring
der(v3) = 0; // initial linear disk velocity
der(w) = 0; // initial angular velocity of the disk
e1 = 3; // initial elongation of the first spring
e2 = 1.5; // initial elongation of the second spring
The value of the start attribute is the value as the intended value. Valid values for
these parameters must be specified.
parameter SI.TranslationalSpringConstant
k1(start=1,fixed=false);
parameter SI.TranslationalSpringConstant
k2(start=1,fixed=false);