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Problem Description:
Determine the displacement of the bottom of the tire, if the upper control arm rotates 200 cw. You may use example 11 of ADAMS 4-bar. Compare your results with Geogebra and with the Mathcad solution of the pre-defined equations for the 4-bar mechanism. Compare results and Post. Find the force in spring damper at static equilibrium using example 7.
four bar- spring.mp4
Mathcad Solution for 1100
Mathcad Solution for 1100
Car Displacement Solution:
The GeoGebra gave a linear displacement of approximately 3.27 in and a spring compression of 1.12 in
ADAMs:
-Spring compression of 1.118 in
-Linear displacement is 3.28 in:
Spring Solution:
The initial length of the spring is 10.8 in; when the arm arm rotates 200 cw (clockwise) the spring compresses to a distance of 9.68 in. The force in the spring damper was calculated using a spring constant of 25 KN/m:
[(10.8 in - 9.68 in)*0.0254 m] results in a force of 711.2 N.
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